{"count":82284,"next":"https://repo.scoap3.org/api/records/?page=7&q=country%3A%28%28NOT+CERN%29+AND+%5Bcountry%5D%29&year=%5Bstart","previous":"https://repo.scoap3.org/api/records/?page=5&q=country%3A%28%28NOT+CERN%29+AND+%5Bcountry%5D%29&year=%5Bstart","hits":{"hits":[{"metadata":{"_files":[{"file":"https://scoap3-prod-backend.s3.cern.ch/media/harvested_files/10.1103/m6zs-jxxp/m6zs-jxxp.pdf","key":"m6zs-jxxp","filetype":"pdf"},{"file":"https://scoap3-prod-backend.s3.cern.ch/media/harvested_files/10.1103/m6zs-jxxp/m6zs-jxxp.xml","key":"m6zs-jxxp","filetype":"xml"}],"abstracts":[{"source":"APS","value":"<p>We investigate cosmological and astrophysical constraints on dark photons with masses <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mrow><mo>∼</mo><msup><mrow><mn>10</mn></mrow><mrow><mo>−</mo><mn>1</mn></mrow></msup><mtext>−</mtext><msup><mrow><mn>10</mn></mrow><mrow><mn>3</mn></mrow></msup><mtext> </mtext><mtext> </mtext><mi>MeV</mi></mrow></math>. These dark photons can be copiously produced either in the early Universe or during core-collapse supernovae, potentially leaving distinct observational signatures. First, we derive updated constraints from cosmological and astrophysical observables that rely on the thermal relic abundance of dark photons, including the cosmic microwave background spectrum, primordial light element abundances, and Galactic/extragalactic <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mi>γ</mi></math>-ray flux. We consider the minimal reheating temperature possible, <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mrow><msub><mrow><mi>T</mi></mrow><mrow><mi>RH</mi></mrow></msub><mrow><mo>=</mo><mn>6</mn><mtext> </mtext><mtext> </mtext><mi>MeV</mi></mrow></mrow></math>, such that our constraints are conservative, but unavoidable within the minimal dark photon model. Then, for supernova-sourced dark photons, we systematically examine all relevant observational bounds, revisit the standard cooling argument and derive limits from other arguments such as fireball formation, low energy supernovae and Galactic positron injection.</p>"}],"arxiv_eprints":[{"categories":["hep-ph"],"value":["10.1103/m6zs-jxxp","2511.15785"]}],"authors":[{"affiliations":[{"country":"-","organization":"","value":"Theoretical Physics Department, 1211 Geneva 23, Switzerland CERN"},{"country":"-","organization":"","value":"Dipartimento di Fisica, and “Sapienza” Università di Roma, Piazzale Aldo Moro 5, Roma 00185, Italy Sezione INFN Roma1"},{"country":"-","organization":"","value":"Department of Particle Physics and Astrophysics, Rehovot 7610001, Israel Weizmann Institute of Science"}],"email":null,"full_name":null,"given_names":"Andrea","surname":"Caputo"},{"affiliations":[{"country":"-","organization":"","value":"Theoretical Physics Department, 1211 Geneva 23, Switzerland CERN"},{"country":"-","organization":"","value":"Department of Physics and Astronomy and Center for Theoretical Physics, Seoul 08826, Korea Seoul National University"}],"email":null,"full_name":null,"given_names":"Jaeyoung","surname":"Park"},{"affiliations":[{"country":"-","organization":"","value":"Department of Physics, Daegu 41566, Korea Kyungpook National University"},{"country":"-","organization":"","value":"Center for Theoretical Physics of the Universe, Daejeon 34126, Korea Institute for Basic Science (IBS)"}],"email":null,"full_name":null,"given_names":"Seokhoon","surname":"Yun"}],"collections":[{"primary":"Physical Review D"}],"control_number":106044,"copyright":[{"statement":"Published by the American Physical Society","holder":"","year":2026}],"dois":[{"value":"10.1103/m6zs-jxxp"},{"value":"2511.15785"}],"imprints":[{"date":null,"publisher":"APS"}],"license":[{"license":"CC-BY-4.0","url":"http://creativecommons.org/licenses/by/4.0/"}],"page_nr":[],"publication_info":[{"artid":"","journal_issue":"7","journal_title":"Physical Review D","journal_volume":"113","page_end":"","page_start":"","year":"2026"}],"record_creation_date":"2026-04-01T18:00:13.294103+00:00","titles":[{"source":"APS","title":"Heavy dark photon handbook: Cosmological and astrophysical bounds"}]},"updated":"2026-04-02T00:11:59.689347+00:00","id":106044,"created":"2026-04-01T18:00:13.294103+00:00"},{"metadata":{"_files":[{"file":"https://scoap3-prod-backend.s3.cern.ch/media/harvested_files/10.1103/44ls-ss78/44ls-ss78.pdf","key":"44ls-ss78","filetype":"pdf"},{"file":"https://scoap3-prod-backend.s3.cern.ch/media/harvested_files/10.1103/44ls-ss78/44ls-ss78.xml","key":"44ls-ss78","filetype":"xml"}],"abstracts":[{"source":"APS","value":"<p>We present a comprehensive study of <i>secluded</i> dark matter (DM) <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mi>χ</mi></math>, where the relic abundance is set by annihilations into lighter dark mediators <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mi>ϕ</mi></math> that couple only feebly to the Standard Model (SM). In contrast to canonical weakly interacting massive particles (WIMPs), which are now strongly constrained by direct and indirect searches, secluded models still achieve the observed relic abundance via thermal freeze-out into hidden-sector mediators, while predicting highly suppressed present-day signals. We analyze three minimal models: (i) a <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mi>U</mi><mo stretchy=\"false\">(</mo><mn>1</mn><msub><mo stretchy=\"false\">)</mo><mi>X</mi></msub></math> gauge boson (<math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><msup><mi>A</mi><mo>′</mo></msup></math>) with kinetic mixing; (ii) a scalar DM candidate <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mi>S</mi></math> with a scalar mediator <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mi>K</mi></math> that has a trilinear vertex; and (iii) a Dirac fermion <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mi>χ</mi></math> whose mass arises from a Higgs–mixed singlet <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><msub><mi>H</mi><mi>p</mi></msub></math>. For each model we derive annihilation and scattering rates in both WIMP-like and secluded regimes, and solve the Boltzmann equations: a single-species equation for the WIMP case and a coupled <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mi>χ</mi><mo>−</mo><mi>ϕ</mi></math> system for the secluded case to account for possible early departure of the mediator from thermal equilibrium with the SM bath. In this regard, we provide explicit lower limits on the portal coupling <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mi>ε</mi></math> required to keep the mediator in thermal equilibrium with the SM bath and to ensure mediator decay before big bang nucleosynthesis. We show that for portal couplings <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mrow><mi>ε</mi><mo>≪</mo><msup><mrow><mn>10</mn></mrow><mrow><mo>−</mo><mn>3</mn></mrow></msup></mrow></math> the relic density is dominantly controlled by DM annihilation into mediator pairs, while spin-independent scattering lies well below current limits and remains viable even for future experiments approaching the irreducible neutrino background floor. Indirect constraints are typically weak due to <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mi>p</mi></math>-wave suppression, off-resonance <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mi>s</mi></math>-channels, and cascade spectra controlled by <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><msup><mi>ε</mi><mn>2</mn></msup></math>. Finally, we highlight the most promising collider tests, which remain sensitive despite tiny portal couplings.</p>"}],"arxiv_eprints":[{"categories":["hep-ph","astro-ph.HE","hep-th"],"value":["10.1103/44ls-ss78","2510.23771"]}],"authors":[{"affiliations":[{"country":"-","organization":"","value":", Via P. Giuria 1, 10125 Torino, Italy Istituto Nazionale di Fisica Nucleare, Sezione di Torino"}],"email":null,"full_name":null,"given_names":"Mattia","surname":"Di Mauro"},{"affiliations":[{"country":"-","organization":"","value":"Department of Physics, Providence, Rhode Island 02912, USA Brown University"}],"email":null,"full_name":null,"given_names":"Yanhan","surname":"Wang"}],"collections":[{"primary":"Physical Review D"}],"control_number":106045,"copyright":[{"statement":"Published by the American Physical Society","holder":"","year":2026}],"dois":[{"value":"10.1103/44ls-ss78"},{"value":"2510.23771"}],"imprints":[{"date":null,"publisher":"APS"}],"license":[{"license":"CC-BY-4.0","url":"http://creativecommons.org/licenses/by/4.0/"}],"page_nr":[],"publication_info":[{"artid":"","journal_issue":"7","journal_title":"Physical Review D","journal_volume":"113","page_end":"","page_start":"","year":"2026"}],"record_creation_date":"2026-04-01T18:33:58.023640+00:00","titles":[{"source":"APS","title":"Phenomenology of secluded dark matter in three minimal BSM scenarios"}]},"updated":"2026-04-02T00:11:59.799192+00:00","id":106045,"created":"2026-04-01T18:33:58.023640+00:00"},{"metadata":{"_files":[{"file":"https://scoap3-prod-backend.s3.cern.ch/media/harvested_files/10.1103/cnqj-dvqj/cnqj-dvqj.pdf","key":"cnqj-dvqj","filetype":"pdf"},{"file":"https://scoap3-prod-backend.s3.cern.ch/media/harvested_files/10.1103/cnqj-dvqj/cnqj-dvqj.xml","key":"cnqj-dvqj","filetype":"xml"}],"abstracts":[{"source":"APS","value":"<p>We present a comprehensive study of the axial-vector resonance <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><msub><mi>K</mi><mn>1</mn></msub><mo stretchy=\"false\">(</mo><mn>1270</mn><mo stretchy=\"false\">)</mo></math> within the unitarized chiral perturbation theory, focusing on its two-pole structure and manifestation in femtoscopic observables. By considering the dominant <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mi>ρ</mi><mi>K</mi></math> and <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><msup><mi>K</mi><mo>*</mo></msup><mi>π</mi></math> coupled channels, we reproduce the well-established double-pole structure and trace the chiral evolution of both poles as functions of the pion mass, using the vector-meson mass trajectories fitted to lattice-QCD data and experimental values. The lower pole, dominantly coupled to <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><msup><mi>K</mi><mo>*</mo></msup><mi>π</mi></math>, evolves from an above-threshold resonance to a virtual or bound state with increasing pion mass. In comparison, the higher pole, dominantly coupled to <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mi>ρ</mi><mi>K</mi></math>, moves downward in energy, reflecting the strengthening of the chiral attraction. The influence of the finite vector-meson widths is systematically examined, showing that their inclusion smooths the pole trajectories without altering their qualitative behavior. Furthermore, femtoscopic correlation functions are calculated for all relevant vector-pseudoscalar channels in both charged sectors. The results exhibit distinct resonance and bound-state features consistent with the two-pole dynamics. The weak impact of higher channels, such as <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mi>ω</mi><mover accent=\"true\"><mi>K</mi><mo stretchy=\"false\">¯</mo></mover></math>, <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><msup><mover accent=\"true\"><mi>K</mi><mo stretchy=\"false\">¯</mo></mover><mo>*</mo></msup><mi>η</mi></math>, and <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mi>ϕ</mi><mover accent=\"true\"><mi>K</mi><mo stretchy=\"false\">¯</mo></mover></math>, confirms that the simplified two-channel treatment captures the essential dynamics of the <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><msub><mi>K</mi><mn>1</mn></msub><mo stretchy=\"false\">(</mo><mn>1270</mn><mo stretchy=\"false\">)</mo></math> resonance. This study demonstrates that combining chiral extrapolation and femtoscopic correlation analyses provides a powerful and complementary framework for connecting lattice-QCD calculations, chiral effective theory, and experimental measurements, offering new insights into the molecular nature and chiral origin of the <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><msub><mi>K</mi><mn>1</mn></msub><mo stretchy=\"false\">(</mo><mn>1270</mn><mo stretchy=\"false\">)</mo></math> resonance.</p>"}],"arxiv_eprints":[{"categories":["hep-ph"],"value":["10.1103/cnqj-dvqj","2511.14380"]}],"authors":[{"affiliations":[{"country":"-","organization":"","value":"School of Physics, Beijing 102206, China Beihang University"},{"country":"-","organization":"","value":"Department of Physics, Graduate School of Science, Tokyo 113-0033, Japan The University of Tokyo"}],"email":null,"full_name":null,"given_names":"Jia-Ming","surname":"Xie"},{"affiliations":[{"country":"-","organization":"","value":"School of Physics, Beijing 102206, China Beihang University"}],"email":null,"full_name":null,"given_names":"Zhi-Wei","surname":"Liu"},{"affiliations":[{"country":"-","organization":"","value":"School of Physics, Beijing 102206, China Beihang University"}],"email":null,"full_name":null,"given_names":"Jun-Xu","surname":"Lu"},{"affiliations":[{"country":"-","organization":"","value":"Department of Physics, Graduate School of Science, Tokyo 113-0033, Japan The University of Tokyo"},{"country":"-","organization":"","value":"Quark Nuclear Science Institute, Tokyo 113-0033, Japan The University of Tokyo"},{"country":"-","organization":"","value":", Wako 351-0198, Japan RIKEN Center for Interdisciplinary Theoretical and Mathematical Sciences"}],"email":null,"full_name":null,"given_names":"Haozhao","surname":"Liang"},{"affiliations":[{"country":"-","organization":"","value":"Departamento de Física Teórica and, IFIC, Parc Científic UV, C/ Catedrático José Beltrán, 2, 46980 Paterna, Spain Centro Mixto Universidad de Valencia-CSIC"}],"email":null,"full_name":null,"given_names":"Raquel","surname":"Molina"},{"affiliations":[{"country":"-","organization":"","value":"School of Physics, Beijing 102206, China Beihang University"},{"country":"-","organization":"","value":"Sino-French Carbon Neutrality Research Center, École Centrale de Pékin/School of General Engineering, Beijing 100191, China Beihang University"},{"country":"-","organization":"","value":"Peng Huanwu Collaborative Center for Research and Education, Beijing 100191, China Beihang University"},{"country":"-","organization":"","value":"Beijing Key Laboratory of Advanced Nuclear Materials and Physics, Beijing 102206, China Beihang University"},{"country":"-","organization":"","value":"Southern Center for Nuclear-Science Theory (SCNT), Chinese Academy of Sciences, Huizhou 516000, China Institute of Modern Physics"}],"email":null,"full_name":null,"given_names":"Li-Sheng","surname":"Geng"}],"collections":[{"primary":"Physical Review D"}],"control_number":106039,"copyright":[{"statement":"Published by the American Physical Society","holder":"","year":2026}],"dois":[{"value":"10.1103/cnqj-dvqj"},{"value":"2511.14380"}],"imprints":[{"date":null,"publisher":"APS"}],"license":[{"license":"CC-BY-4.0","url":"http://creativecommons.org/licenses/by/4.0/"}],"page_nr":[],"publication_info":[{"artid":"","journal_issue":"7","journal_title":"Physical Review D","journal_volume":"113","page_end":"","page_start":"","year":"2026"}],"record_creation_date":"2026-04-01T18:00:13.829941+00:00","titles":[{"source":"APS","title":"Chiral evolution and femtoscopic signatures of the <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mrow><msub><mrow><mi>K</mi></mrow><mrow><mn>1</mn></mrow></msub><mo stretchy=\"false\">(</mo><mn>1270</mn><mo stretchy=\"false\">)</mo></mrow></math> resonance"}]},"updated":"2026-04-02T00:11:46.978796+00:00","id":106039,"created":"2026-04-01T18:00:13.829941+00:00"},{"metadata":{"_files":[{"file":"https://scoap3-prod-backend.s3.cern.ch/media/harvested_files/10.1103/db8g-55dw/db8g-55dw.pdf","key":"db8g-55dw","filetype":"pdf"},{"file":"https://scoap3-prod-backend.s3.cern.ch/media/harvested_files/10.1103/db8g-55dw/db8g-55dw.xml","key":"db8g-55dw","filetype":"xml"}],"abstracts":[{"source":"APS","value":"<p>We employ the Zubarev approach of the statistical operator to investigate the enhancement of the low-<math xmlns=\"http://www.w3.org/1998/Math/MathML\"><msub><mi>p</mi><mi>T</mi></msub></math> region of pion spectra, introducing an effective pion chemical potential, to describe the overpopulation of low-energy pion states. We test a corresponding freeze-out approach by analyzing the transverse-momentum spectra of identified particles measured recently with high precision by the ALICE Collaboration in <math xmlns=\"http://www.w3.org/1998/Math/MathML\"><mrow><mi>Pb</mi><mo>+</mo><mi>Pb</mi></mrow></math> collisions at CERN LHC. A blast-wave model and a blast-wave-based particle generator, coupled to a hadronic transport model, are utilized. Bayesian inference methods are applied to extract the most probable sets of thermodynamic parameters at the chemical freeze-out hypersurface. Both models for the overpopulated pion states, the hadronic transport model and the thermal model with a nonzero pion chemical potential, provide a satisfactory description of the observed pion spectra. However, both approaches contain approximations which can be improved within a systematic nonequilibrium approach. We demonstrate that the introduction of a nonequilibrium pion chemical potential offers an efficient alternative to the conventional explanation of the low-<math xmlns=\"http://www.w3.org/1998/Math/MathML\"><msub><mi>p</mi><mi>T</mi></msub></math> enhancement, typically attributed to resonance decays with subsequent thermalization. A similar discussion also holds for the kaon spectra.</p>"}],"arxiv_eprints":[{"categories":["hep-ph","hep-ex","hep-th","nucl-th"],"value":["10.1103/db8g-55dw","2409.09019"]}],"authors":[{"affiliations":[{"country":"-","organization":"","value":"Institute of Theoretical Physics, Plac Maxa Borna 9, 50-204 Wrocław, Poland University of Wrocław"}],"email":null,"full_name":null,"given_names":"Oleksandr","surname":"Vitiuk"},{"affiliations":[{"country":"-","organization":"","value":"Institute of Theoretical Physics, Plac Maxa Borna 9, 50-204 Wrocław, Poland University of Wrocław"},{"country":"-","organization":"","value":"(CASUS), Untermarkt 20, D-02826 Görlitz, Germany Center for Advanced Systems Understanding"},{"country":"-","organization":"","value":"(HZDR), Bautzener Landstrasse 400, D-01328 Dresden, Germany Helmholtz-Zentrum Dresden-Rossendorf"}],"email":null,"full_name":null,"given_names":"David","surname":"Blaschke"},{"affiliations":[{"country":"-","organization":"","value":"Institut für Kernphysik, Max-von-Laue-Str. 1, D-60438 Frankfurt am Main, Germany Goethe Universität Frankfurt am Main"}],"email":null,"full_name":null,"given_names":"Benjamin","surname":"Dönigus"},{"affiliations":[{"country":"-","organization":"","value":"Institute of Physics, Albert-Einstein Str. 23-24, D-18059 Rostock, Germany University of Rostock"}],"email":null,"full_name":null,"given_names":"Gerd","surname":"Röpke"}],"collections":[{"primary":"Physical Review C"}],"control_number":106042,"copyright":[{"statement":"Published by the American Physical Society","holder":"","year":2026}],"dois":[{"value":"10.1103/db8g-55dw"},{"value":"2409.09019"}],"imprints":[{"date":null,"publisher":"APS"}],"license":[{"license":"CC-BY-4.0","url":"http://creativecommons.org/licenses/by/4.0/"}],"page_nr":[],"publication_info":[{"artid":"","journal_issue":"4","journal_title":"Physical Review C","journal_volume":"113","page_end":"","page_start":"","year":"2026"}],"record_creation_date":"2026-04-01T18:33:39.925700+00:00","titles":[{"source":"APS","title":"Nonequilibrium phenomenology of identified particle spectra in heavy-ion collisions at energies available at the CERN Large Hadron Collider"}]},"updated":"2026-04-02T00:12:11.281234+00:00","id":106042,"created":"2026-04-01T18:33:39.925700+00:00"},{"metadata":{"_files":[{"file":"https://scoap3-prod-backend.s3.cern.ch/media/harvested_files/10.1103/k433-k66l/k433-k66l.pdf","key":"k433-k66l","filetype":"pdf"},{"file":"https://scoap3-prod-backend.s3.cern.ch/media/harvested_files/10.1103/k433-k66l/k433-k66l.xml","key":"k433-k66l","filetype":"xml"}],"abstracts":[{"source":"APS","value":"<p>The masses of exotic quantum-number <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><msup><mn>1</mn><mrow><mo>−</mo><mo>+</mo></mrow></msup></math> compact tetraquark states are calculated in a constituent quark model, where a Cornell-like potential is employed as the central potential, spin-spin and spin-orbit coupling derived from the Breit-Fermi interaction are treated as hyperfine corrections, and model parameters are taken from previous works. The ground state <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><msup><mn>1</mn><mrow><mo>−</mo><mo>+</mo></mrow></msup></math> P-wave tetraquarks are predicted at 1.9, 4.2, and 6.6 GeV for the light, charmoniumlike, and fully charm sectors, respectively. The decay width ratios of <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><msup><mn>1</mn><mrow><mo>−</mo><mo>+</mo></mrow></msup></math> tetraquark states are calculated for two-body strong decay channels within the rearrangement mechanism, including <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mi>ω</mi><msub><mi>h</mi><mn>1</mn></msub></math> and <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mi>η</mi><msub><mi>f</mi><mn>1</mn></msub></math> for isospin <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mi>I</mi><mo>=</mo><mn>0</mn></math> light tetraquarks, <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mi>ρ</mi><msub><mi>h</mi><mn>1</mn></msub></math> and <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mi>π</mi><msub><mi>f</mi><mn>1</mn></msub></math> for isospin <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mi>I</mi><mo>=</mo><mn>1</mn></math> light tetraquarks, <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mi>π</mi><mo>/</mo><mi>η</mi><mo>+</mo><msub><mi>χ</mi><mrow><mi>c</mi><mn>1</mn></mrow></msub></math> and <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mi>ρ</mi><mo>/</mo><mi>ω</mi><mo>+</mo><msub><mi>h</mi><mi>c</mi></msub></math> for charmoniumlike tetraquarks, and <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><msub><mi>η</mi><mi>c</mi></msub><msub><mi>χ</mi><mrow><mi>c</mi><mn>1</mn></mrow></msub></math> and <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mi>J</mi><mo>/</mo><mi>ψ</mi><msub><mi>h</mi><mi>c</mi></msub></math> for fully charm tetraquarks. The theoretical results are compared with the observed exotic <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><msup><mn>1</mn><mrow><mo>−</mo><mo>+</mo></mrow></msup></math> states, and promising search channels for <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><msup><mn>1</mn><mrow><mo>−</mo><mo>+</mo></mrow></msup></math> tetraquarks are discussed. The work suggests that <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><msub><mi>η</mi><mn>1</mn></msub><mo stretchy=\"false\">(</mo><mn>1855</mn><mo stretchy=\"false\">)</mo></math> is unlikely to be a compact tetraquark state.</p>"}],"arxiv_eprints":[{"categories":["hep-ph"],"value":["10.1103/k433-k66l","2511.22111"]}],"authors":[{"affiliations":[{"country":"-","organization":"","value":"School of Physics and Center of Excellence in High Energy Physics and Astrophysics, Nakhon Ratchasima 30000, Thailand Suranaree University of Technology"}],"email":null,"full_name":null,"given_names":"Kai","surname":"Xu"},{"affiliations":[{"country":"-","organization":"","value":"School of Physics and Center of Excellence in High Energy Physics and Astrophysics, Nakhon Ratchasima 30000, Thailand Suranaree University of Technology"}],"email":null,"full_name":null,"given_names":"Zheng","surname":"Zhao"},{"affiliations":[{"country":"-","organization":"","value":"School of Physics and Center of Excellence in High Energy Physics and Astrophysics, Nakhon Ratchasima 30000, Thailand Suranaree University of Technology"}],"email":null,"full_name":null,"given_names":"Nattapat","surname":"Tagsinsit"},{"affiliations":[{"country":"-","organization":"","value":"School of Physics and Center of Excellence in High Energy Physics and Astrophysics, Nakhon Ratchasima 30000, Thailand Suranaree University of Technology"}],"email":null,"full_name":null,"given_names":"Attaphon","surname":"Kaewsnod"},{"affiliations":[{"country":"-","organization":"","value":"School of Physics and Center of Excellence in High Energy Physics and Astrophysics, Nakhon Ratchasima 30000, Thailand Suranaree University of Technology"}],"email":null,"full_name":null,"given_names":"Ayut","surname":"Limphirat"},{"affiliations":[{"country":"-","organization":"","value":"School of Physics and Center of Excellence in High Energy Physics and Astrophysics, Nakhon Ratchasima 30000, Thailand Suranaree University of Technology"}],"email":null,"full_name":null,"given_names":"Christoph","surname":"Herold"},{"affiliations":[{"country":"-","organization":"","value":"School of Physics and Center of Excellence in High Energy Physics and Astrophysics, Nakhon Ratchasima 30000, Thailand Suranaree University of Technology"}],"email":null,"full_name":null,"given_names":"Yupeng","surname":"Yan"}],"collections":[{"primary":"Physical Review D"}],"control_number":106040,"copyright":[{"statement":"Published by the American Physical Society","holder":"","year":2026}],"dois":[{"value":"10.1103/k433-k66l"},{"value":"2511.22111"}],"imprints":[{"date":null,"publisher":"APS"}],"license":[{"license":"CC-BY-4.0","url":"http://creativecommons.org/licenses/by/4.0/"}],"page_nr":[],"publication_info":[{"artid":"","journal_issue":"7","journal_title":"Physical Review D","journal_volume":"113","page_end":"","page_start":"","year":"2026"}],"record_creation_date":"2026-04-01T18:00:13.918238+00:00","titles":[{"source":"APS","title":"Systematic study of exotic <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><msup><mn>1</mn><mrow><mo>−</mo><mo>+</mo></mrow></msup></math> tetraquark spectroscopy"}]},"updated":"2026-04-02T00:13:34.235651+00:00","id":106040,"created":"2026-04-01T18:00:13.918238+00:00"},{"metadata":{"_files":[{"file":"https://scoap3-prod-backend.s3.cern.ch/media/harvested_files/10.1103/bs36-hvyd/bs36-hvyd.pdf","key":"bs36-hvyd","filetype":"pdf"},{"file":"https://scoap3-prod-backend.s3.cern.ch/media/harvested_files/10.1103/bs36-hvyd/bs36-hvyd.xml","key":"bs36-hvyd","filetype":"xml"}],"abstracts":[{"source":"APS","value":"<p>In models of strongly interacting dark sectors, the production of dark quarks at accelerators can give rise to dark showers with multiple dark mesons in the final state. If some of these dark mesons are sufficiently light and long-lived, they can be detected with searches for displaced vertices at beam-dump experiments and electron-positron colliders. In this work we focus on the case that dark quark production proceeds via effective operators, while the dark sector analog of the <math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><msup><mi>ρ</mi><mn>0</mn></msup></math> meson can decay via kinetic mixing. We evaluate current constraints from NA62 and <i>BABAR</i> as well as sensitivity projections for SHiP and Belle II. We find that there exists a sizeable parameter region where SHiP may detect several displaced vertices in a single event and thus obtain valuable information about the structure of the dark sector.</p>"}],"arxiv_eprints":[{"categories":["hep-ph","hep-ex"],"value":["10.1103/bs36-hvyd","2510.23696"]}],"authors":[{"affiliations":[{"country":"-","organization":"","value":"Department of Physics, San Diego, La Jolla, California 92093, USA University of California"}],"email":null,"full_name":null,"given_names":"Elias","surname":"Bernreuther"},{"affiliations":[{"country":"-","organization":"","value":"Institute for Theoretical Particle Physics (TTP), 76128 Karlsruhe, Germany Karlsruhe Institute of Technology (KIT)"}],"email":null,"full_name":null,"given_names":"Nicoline","surname":"Hemme"},{"affiliations":[{"country":"-","organization":"","value":"Institute for Astroparticle Physics (IAP), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany Karlsruhe Institute of Technology (KIT)"}],"email":null,"full_name":null,"given_names":"Felix","surname":"Kahlhoefer"},{"affiliations":[{"country":"-","organization":"","value":"Institute of Physics, NAWI Graz, Universitätsplatz 5, A-8010 Graz, Austria University of Graz"}],"email":null,"full_name":null,"given_names":"Suchita","surname":"Kulkarni"},{"affiliations":[{"country":"-","organization":"","value":"Theoretical Physics Department, 1211 Geneva 23, Switzerland CERN"}],"email":null,"full_name":null,"given_names":"Maksym","surname":"Ovchynnikov"}],"collections":[{"primary":"Physical Review D"}],"control_number":106046,"copyright":[{"statement":"Published by the American Physical Society","holder":"","year":2026}],"dois":[{"value":"10.1103/bs36-hvyd"},{"value":"2510.23696"}],"imprints":[{"date":null,"publisher":"APS"}],"license":[{"license":"CC-BY-4.0","url":"http://creativecommons.org/licenses/by/4.0/"}],"page_nr":[],"publication_info":[{"artid":"","journal_issue":"7","journal_title":"Physical Review D","journal_volume":"113","page_end":"","page_start":"","year":"2026"}],"record_creation_date":"2026-04-01T18:00:13.386109+00:00","titles":[{"source":"APS","title":"Sub-GeV dark matter and multidecay signatures from dark showers at beam-dump experiments"}]},"updated":"2026-04-02T00:11:41.542991+00:00","id":106046,"created":"2026-04-01T18:00:13.386109+00:00"},{"metadata":{"_files":[{"file":"https://scoap3-prod-backend.s3.cern.ch/media/harvested_files/10.1103/nzzw-898t/nzzw-898t.pdf","key":"nzzw-898t","filetype":"pdf"},{"file":"https://scoap3-prod-backend.s3.cern.ch/media/harvested_files/10.1103/nzzw-898t/nzzw-898t.xml","key":"nzzw-898t","filetype":"xml"}],"abstracts":[{"source":"APS","value":"<p>A Monte Carlo generator of high energy cosmic ray interactions, relying on a very basic and transparent theoretical formalism, in the framework of the Reggeon field theory, is presented. The main motivation for our work is to provide a new cosmic ray interaction model characterized by relatively transparent physics, sufficient parameter freedom, and a high computational efficiency, which can be easily managed by external users, including a retuning of the model parameters. Such a model can be used for studying potential modifications of the interaction treatment, necessary for describing particular sets of data on extensive air showers initiated by high energy cosmic rays, at a microscopic level, thereby keeping a consistency with general restrictions, like the unitarity, energy-momentum and charge conservation, and Lorentz and isospin invariance. Importantly, this should allow one to study a compatibility of such modifications with relevant accelerator data. The model results for particle production and for basic extensive air shower characteristics are presented and discussed.</p>"}],"arxiv_eprints":[{"categories":["hep-ph","astro-ph.HE"],"value":["10.1103/nzzw-898t","2603.12863"]}],"authors":[{"affiliations":[{"country":"-","organization":"","value":", II Institut für Theoretische Physik, 22761 Hamburg, Germany Universität Hamburg"}],"email":null,"full_name":null,"given_names":"Sergey","surname":"Ostapchenko"},{"affiliations":[{"country":"-","organization":"","value":"Institute for Astroparticle Physics, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany Karlsruher Institut für Technologie"}],"email":null,"full_name":null,"given_names":"Tanguy","surname":"Pierog"},{"affiliations":[{"country":"-","organization":"","value":", II Institut für Theoretische Physik, 22761 Hamburg, Germany Universität Hamburg"}],"email":null,"full_name":null,"given_names":"Günter","surname":"Sigl"}],"collections":[{"primary":"Physical Review D"}],"control_number":106047,"copyright":[{"statement":"Published by the American Physical Society","holder":"","year":2026}],"dois":[{"value":"10.1103/nzzw-898t"},{"value":"2603.12863"}],"imprints":[{"date":null,"publisher":"APS"}],"license":[{"license":"CC-BY-4.0","url":"http://creativecommons.org/licenses/by/4.0/"}],"page_nr":[],"publication_info":[{"artid":"","journal_issue":"7","journal_title":"Physical Review D","journal_volume":"113","page_end":"","page_start":"","year":"2026"}],"record_creation_date":"2026-04-01T18:00:13.859789+00:00","titles":[{"source":"APS","title":"Basic model for high energy cosmic ray interactions"}]},"updated":"2026-04-02T00:11:49.918104+00:00","id":106047,"created":"2026-04-01T18:00:13.859789+00:00"},{"metadata":{"_files":[{"file":"https://scoap3-prod-backend.s3.cern.ch/media/harvested_files/10.1103/5tfl-l5wq/5tfl-l5wq.pdf","key":"5tfl-l5wq","filetype":"pdf"},{"file":"https://scoap3-prod-backend.s3.cern.ch/media/harvested_files/10.1103/5tfl-l5wq/5tfl-l5wq.xml","key":"5tfl-l5wq","filetype":"xml"}],"abstracts":[{"source":"APS","value":"<p>We explore an unusual symmetry in a field theory on a specific (<math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mrow><mn>1</mn><mo>+</mo><mn>1</mn></mrow></math>)-dimensional curved spacetime, which has an interesting interpretation as an approximate asymptotic Weyl symmetry. Unlike the conventional Weyl symmetry, the boundary term under the variation plays a crucial role in understanding for its anomaly. After converting a two-dimensional field theory on curved spacetime to an inhomogeneous field theory, we obtain the vacuum expectation value of the energy-momentum tensor. Then, we show the existence of an Unruh-like effect in the bubble wall expansion at the zero temperature.</p>"}],"arxiv_eprints":[{"categories":["hep-th","gr-qc"],"value":["10.1103/5tfl-l5wq","2512.01491"]}],"authors":[{"affiliations":[{"country":"-","organization":"","value":"Department of Physics, Institute of Basic Science, Suwon 16419, Korea Sungkyunkwan University"}],"email":null,"full_name":null,"given_names":"O-Kab","surname":"Kwon"},{"affiliations":[{"country":"-","organization":"","value":"Department of Physics, Institute of Basic Science, Suwon 16419, Korea Sungkyunkwan University"}],"email":null,"full_name":null,"given_names":"Jeongwon","surname":"Ho"},{"affiliations":[{"country":"-","organization":"","value":"Physics Department, Natural Science Research Institute, Seoul 02504, Korea University of Seoul"}],"email":null,"full_name":null,"given_names":"Sang-Heon","surname":"Yi"},{"affiliations":[{"country":"-","organization":"","value":"Department of Physics, Institute of Basic Science, Suwon 16419, Korea Sungkyunkwan University"}],"email":null,"full_name":null,"given_names":"Sang-A","surname":"Park"}],"collections":[{"primary":"Physical Review D"}],"control_number":106041,"copyright":[{"statement":"Published by the American Physical Society","holder":"","year":2026}],"dois":[{"value":"10.1103/5tfl-l5wq"},{"value":"2512.01491"}],"imprints":[{"date":null,"publisher":"APS"}],"license":[{"license":"CC-BY-4.0","url":"http://creativecommons.org/licenses/by/4.0/"}],"page_nr":[],"publication_info":[{"artid":"","journal_issue":"8","journal_title":"Physical Review D","journal_volume":"113","page_end":"","page_start":"","year":"2026"}],"record_creation_date":"2026-04-01T18:00:13.983458+00:00","titles":[{"source":"APS","title":"Asymptotic Weyl symmetry and its anomaly in a curved spacetime"}]},"updated":"2026-04-02T00:12:07.558505+00:00","id":106041,"created":"2026-04-01T18:00:13.983458+00:00"},{"metadata":{"_files":[{"file":"https://scoap3-prod-backend.s3.cern.ch/media/harvested_files/10.1103/v5gn-5n8j/v5gn-5n8j.pdf","key":"v5gn-5n8j","filetype":"pdf"},{"file":"https://scoap3-prod-backend.s3.cern.ch/media/harvested_files/10.1103/v5gn-5n8j/v5gn-5n8j.xml","key":"v5gn-5n8j","filetype":"xml"}],"abstracts":[{"source":"APS","value":"<p>Quantifying the imprints of freeze-in dark matter (DM) on cosmological structures requires knowledge of its phase-space distribution. We investigate how variations in the cosmological history before nucleosynthesis, the “weather” of that epoch, give rise to distinct “seasons” in the DM momentum distribution that governs its warmness. Studying decay-driven production across diverse cosmological histories, we map how these conditions shape DM phase-space properties. Our study quantifies how the early Universe composition plays a key role in determining the mass bound on freeze-in DM.</p>"}],"arxiv_eprints":[{"categories":["hep-ph"],"value":["10.1103/v5gn-5n8j","2511.07511"]}],"authors":[{"affiliations":[{"country":"-","organization":"","value":"Dipartimento di Fisica e Astronomia, Via Marzolo 8, 35131 Padova, Italy Università degli Studi di Padova"},{"country":"-","organization":"","value":", Via Marzolo 8, 35131 Padova, Italy Istituto Nazionale di Fisica Nucleare (INFN), Sezione di Padova"}],"email":null,"full_name":null,"given_names":"Francesco","surname":"D’Eramo"},{"affiliations":[{"country":"-","organization":"","value":"Racah Institute of Physics, 91904 Jerusalem, Israel Hebrew University of Jerusalem"}],"email":null,"full_name":null,"given_names":"Alessandro","surname":"Lenoci"},{"affiliations":[{"country":"-","organization":"","value":"Dipartimento di Fisica e Astronomia, Via Marzolo 8, 35131 Padova, Italy Università degli Studi di Padova"},{"country":"-","organization":"","value":", Via Marzolo 8, 35131 Padova, Italy Istituto Nazionale di Fisica Nucleare (INFN), Sezione di Padova"}],"email":null,"full_name":null,"given_names":"Tommaso","surname":"Sassi"}],"collections":[{"primary":"Physical Review D"}],"control_number":106043,"copyright":[{"statement":"Published by the American Physical Society","holder":"","year":2026}],"dois":[{"value":"10.1103/v5gn-5n8j"},{"value":"2511.07511"}],"imprints":[{"date":null,"publisher":"APS"}],"license":[{"license":"CC-BY-4.0","url":"http://creativecommons.org/licenses/by/4.0/"}],"page_nr":[],"publication_info":[{"artid":"","journal_issue":"8","journal_title":"Physical Review D","journal_volume":"113","page_end":"","page_start":"","year":"2026"}],"record_creation_date":"2026-04-01T18:00:14.120052+00:00","titles":[{"source":"APS","title":"Seasons of dark matter freeze-in shaped by the weather of the early Universe"}]},"updated":"2026-04-02T00:11:50.482748+00:00","id":106043,"created":"2026-04-01T18:00:14.120052+00:00"},{"metadata":{"_files":[{"file":"https://scoap3-prod-backend.s3.cern.ch/media/harvested_files/10.1007/JHEP04(2026)016/13130_2026_Article_28588.xml.scoap.xml","key":"13130_2026_Article_28588.xml.scoap","filetype":"xml"},{"file":"https://scoap3-prod-backend.s3.cern.ch/media/harvested_files/10.1007/JHEP04(2026)016/13130_2026_Article_28588_a.pdf","key":"13130_2026_Article_28588_a","filetype":"pdf"}],"abstracts":[{"source":"Springer","value":"We consider a free complex massive scalar on the quotient spacetime AdS $\\textit{/}$ℤ, which has the isometry group SO(2, 2) rather than its universal cover. This problem is of interest as a special example of QFT on a spacetime with closed timelike curves (CTCs), as a new context in which to study generalizations of AdS/CFT and for its role in celestial holography. A basis of time-periodic solutions to the Klein-Gordon wave equation is found in terms of hypergeometric functions. They fall into a PT even and a PT odd principal series representation, rather than the more familiar highest-weight representations of the cover of SO(2, 2). For masses below the Breitenlohner-Freedman (BF) bound, the modes fall on the unitary principal series. The presence of CTCs precludes the usual canonical quantization, but geometric quantization, which begins with a symplectic form on the phase space of classical solutions, is applicable. Operators, commutators, an SO(2, 2) invariant vacuum and a Fock space are constructed and transform like those of a CFT . The Fock space norm is positive below the BF bound. In celestial holography, AdS $\\textit{/}$ℤ arises as leaves of a hyperbolic foliation of Klein space. Our analysis determines new entries in the symmetry-constrained celestial bulk-to-boundary dictionary. In particular the Klein space 𝒮-matrix is dual to a maximally entangled state in the tensor product of two copies of the ‘wedge CFT ’ associated to the timelike and spacelike wedges of Klein space. Translation invariance is not present in the wedge CFT itself but emerges as a property of this maximally entangled state."}],"arxiv_eprints":[{"categories":["hep-th"],"value":["10.1007/JHEP04(2026)016","2510.15036"]}],"authors":[{"affiliations":[{"country":"United States","organization":"Harvard University","value":"Society of Fellows, Harvard University, Cambridge, MA, USA"}],"email":null,"full_name":null,"given_names":"Walker","surname":"Melton"},{"affiliations":[{"country":"United States","organization":"Harvard University","value":"Center for the Fundamental Laws of Nature, Harvard University, Cambridge, MA, USA"}],"email":null,"full_name":null,"given_names":"Andrew","surname":"Strominger"},{"affiliations":[{"country":"United States","organization":"Harvard University","value":"Center for the Fundamental Laws of Nature, Harvard University, Cambridge, MA, USA"}],"email":null,"full_name":null,"given_names":"Tianli","surname":"Wang"}],"collections":[{"primary":"Journal of High Energy Physics"}],"control_number":106059,"copyright":[{"statement":"","holder":"The Author(s)","year":2026}],"dois":[{"value":"10.1007/JHEP04(2026)016"},{"value":"2510.15036"}],"imprints":[{"date":null,"publisher":"Springer"}],"license":[{"license":"CC-BY-4.0","url":"http://creativecommons.org/licenses/by/4.0/"}],"page_nr":[19],"publication_info":[{"artid":"JHEP04(2026)016","journal_issue":"4","journal_title":"Journal of High Energy Physics","journal_volume":"2026","page_end":"19","page_start":"1","year":"2026"}],"record_creation_date":"2026-04-02T06:55:40.080897","titles":[{"source":"Springer","title":"Quantum fields on time-periodic AdS3 $\\textit{/}$ℤ"}]},"updated":"2026-04-02T07:07:53.282593+00:00","id":106059,"created":"2026-04-02T06:55:40.080897"}]}}