Chinese Physics C (IOPP/CAS)

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2019-05-20
13:30
Time-crystal ground state and production of gravitational waves from QCD phase transition A.A and A.M. acknowledge support by the NSFC(11875113), the Shanghai Municipality(KBH1512299), and by Fudan University(JJH1512105). R.P. was partially supported by the Swedish Research Council, contract numbers 621-2013-428 and 2016-05996, by CONICYT grant MEC80170112 (Chile), as well as by the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation programme(668679). This work was supported in part by the Ministry of Education, Youth and Sports of the Czech Republic, project LT17018. The work has been performed in the framework of COST Action CA15213 “Theory of hot matter and relativistic heavy-ion collisions” (THOR) / Addazi, Andrea ; Marcianò, Antonino ; Pasechnik, Roman
We propose a novel mechanism for the production of gravitational waves in the early Universe that originates from the relaxation processes induced by the QCD phase transition. [...]
Published in Chinese Phys. C 43 (2019) 065101 10.1088/1674-1137/43/6/065101 arXiv:1812.07376
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2019-05-20
13:30
Pseudoscalar meson and baryon octet interaction with strangeness zero in the unitary coupled-channel approximation / Sun, Bao-Xi ; Zhao, Si-Yu ; Wang, Xiang-Yu
The interaction of the pseudoscalar meson and the baryon octet is investigated by solving the Bethe-Salpeter equation in the unitary coupled-channel approximation [...]
Published in Chinese Phys. C 43 (2019) 064111 10.1088/1674-1137/43/6/064111 arXiv:1901.03058
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2019-05-20
13:29
New insights on low energy πN scattering amplitudes: comprehensive analyses at level Supported in part by National Nature Science Foundations of China (NSFC)(10925522, 11021092), and by the Spanish Ministerio de Economía y Competitividad (MINECO) and the European Regional Development Fund (ERDF)(FIS2017-84038-C2-1-P, FIS2017-84038-C2-2-P, SEV-2014-0398) / Wang, Yu-Fei ; Yao, De-Liang ; Zheng, Han-Qing
A production representation of partial-wave S matrix is utilized to construct low-energy elastic pion-nucleon scattering amplitudes from cuts and poles on complex Riemann sheets [...]
Published in Chinese Phys. C 43 (2019) 064110 10.1088/1674-1137/43/6/064110 arXiv:1811.09748
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2019-05-20
13:29
Computation of products of phase space factors and nuclear matrix elements for double beta decay Supported by Ministry of Research and Innovation through UEFISCDI, project PCE-2016-0078, and contract 198/2017 / Stoica, S.
Nuclear matrix elements (NME) and phase space factors (PSF) entering the half-life formulas of the double-beta decay (DBD) process are two key quantities whose accurate computation still represents a challenge [...]
Published in Chinese Phys. C 43 (2019) 064108 10.1088/1674-1137/43/6/064108
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2019-05-20
13:29
Study of the a1 (1269) resonance in the γp →π+π+π-n reaction Supported by the National Natural Science Foundation of China (11475227, 11735003), and the Youth Innovation Promotion Association CAS (2016367) / Zhang, Xu ; Xie, Ju-Jun
Within an effective Lagrangian approach and resonance model, we study the and reactions via the -exchange mechanism [...]
Published in Chinese Phys. C 43 (2019) 064104 10.1088/1674-1137/43/6/064104 arXiv:1812.04242
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2019-05-20
13:29
Photoproduction of J/ψ in non-single-diffractive p+p collisions Supported by the National Natural Science Foundation of China (11775213, 11505180, 11675168), the U.S. DOE Office of Science (DE-SC0012704) and MOST (2016YFE0104800) / Cao, Ze-Hua ; Ruan, Li-Juan ; Tang, Ze-Bo ; Xu, Zhang-Bu ; et al
Significant enhancements of production at very low transverse momenta were recently observed by the ALICE and STAR collaborations in peripheral hadronic A+A collisions [...]
Published in Chinese Phys. C 43 (2019) 064103 10.1088/1674-1137/43/6/064103
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2019-05-20
13:29
A dark vector resonance at CLIC Supported by Conicyt (Chile) (PIA/ACT-1406, PIA/Basal FB0821), and by Fondecyt (Chile) (1160423) / Callender, Constanza ; Zerwekh, Alfonso R.
One of the main problems in particle physics is to understand the origin and nature of dark matter [...]
Published in Chinese Phys. C 43 (2019) 063102 10.1088/1674-1137/43/6/063102 arXiv:1808.06209
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2019-05-20
13:29
Chiral phase transition from the Dyson-Schwinger equations in a finite spherical volume Supported by the National Natural Science Foundation of China (11475085, 11535005, 11690030, 11574145) / Zhao, Ya-Peng ; Zhang, Rui-Rui ; Zhang, Han ; Zong, Hong-Shi
Within the framework of the Dyson-Schwinger equations and by means of Multiple Reflection Expansion, we study the effect of finite volume on the chiral phase transition in a sphere, and discuss in particular its influence on the possible location of the critical end point (CEP) [...]
Published in Chinese Phys. C 43 (2019) 063101 10.1088/1674-1137/43/6/063101 arXiv:1903.11243
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2019-05-08
10:16
Constraining the anomalous Higgs boson coupling in production Supported by the National Natural Science Foundation of China (11875278), Beijing Municipal Science & Technology Commission (Z181100004218003), the National Key Research and Development Program of China (2018YFA0404001), and the Hundred Talent Program of the Chinese Academy of Sciences (Y6291150K2) / Shi, Liaoshan ; Liang, Zhijun ; Liu, Bo ; He, Zhenhui
Higgs boson production in association with a photon (H+ ) offers a promising channel to test the Higgs boson to photon coupling at various energy scales [...]
Published in Chinese Phys. C 43 (2019) 043001 10.1088/1674-1137/43/4/043001 arXiv:1811.02261
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2019-03-12
17:17
Revisiting hidden-charm pentaquarks from QCD sum rules Supported by National Natural Science Foundation of China (11722540, 11261130311), Fundamental Research Funds for the Central Universities, and Foundation for Young Talents in College of Anhui Province (gxyq2018103) / Xiang, Jia-Bing ; Chen, Hua-Xing ; Chen, Wei ; Li, Xiao-Bo ; et al
We revisit hidden-charm pentaquark states and using the method of QCD sum rules by requiring the pole contribution to be greater than or equal to 30% in order to better that the one-pole parametrization is valid [...]
Published in Chinese Phys. C 43 (2019) 034104 10.1088/1674-1137/43/3/034104 arXiv:1711.01545
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