SCOAP3 Repository 52 records found  1 - 10nextendSearch took 0.03 seconds. 
1. Derivation of spontaneously broken gauge symmetry from the consistency of effective field theory I: Massive vector bosons coupled to a scalar field / Djukanovic, D. ; Gegelia, J. ; Meißner, Ulf-G.
We revisit the problem of deriving local gauge invariance with spontaneous symmetry breaking in the context of an effective field theory. [...]
Published in Physics letters B (2018) 10.1016/j.physletb.2018.09.016
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2. Three-particle bound states in a finite volume: Unequal masses and higher partial waves / Meng, Yu ; Liu, Chuan ; Meißner, Ulf-G. ; Rusetsky, A.
An explicit expression for the finite-volume energy shift of shallow three-body bound states for nonidentical particles is obtained in the unitary limit. [...]
Published in Physical Review D 98 (2018) 10.1103/PhysRevD.98.014508 arXiv:1712.08464
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3. A new method to study the number of colors in the final-state interactions of hadrons / Dai, Ling-Yun ; Meißner, Ulf-G.
Based on Chiral Perturbation Theory we introduce the dependence on the number of colors ( NC ) for the ππ→ππ scattering amplitudes. [...]
Published in Physics letters B (2018) 10.1016/j.physletb.2018.06.071
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4. J/ψγηπ+π and the structure observed around the p¯p threshold / Dai, Ling-Yun ; Haidenbauer, Johann ; Meißner, Ulf-G.
We analyze the origin of the structure observed in the reaction J/ψγηπ+π for ηπ+π invariant masses close to the antiproton-proton (p¯p) threshold, commonly associated with the X(1835) resonance. [...]
Published in Physical Review D 98 (2018) 10.1103/PhysRevD.98.014005 arXiv:1804.07077
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5. Once more on the Higgs decay into two photons / Gegelia, J. ; Meißner, Ulf-G.
We comment on the recently reiterated claim that the contribution of the W-boson loop to the Higgs boson decay into two photons leads to different expressions in the Rξ gauge and the unitary gauge. [...]
Published in Nuclear Physics B (2018) 10.1016/j.nuclphysb.2018.06.021
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6. Octet baryon magnetic moments at next-to-next-to-leading order in covariant chiral perturbation theory / Xiao, Yang ; Ren, Xiu-Lei ; Lu, Jun-Xu ; Geng, Li-Sheng ; et al
We calculate the octet baryon magnetic moments in covariant baryon chiral perturbation theory with the extended-on-mass-shell renormalization scheme up to next-to-next-to-leading order. [...]
Published in EPJC 78 (2018) 489 10.1140/epjc/s10052-018-5960-4
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7. Amplitude analysis of the anomalous decay ηπ+πγ / Dai, Ling-Yun ; Kang, Xian-Wei ; Meißner, Ulf-G. ; Song, Xin-Ying ; et al
In this paper we perform an amplitude analysis of ηπ+πγ and confront it with the latest BESIII data. [...]
Published in Phys. Rev. D 97 (2018) 10.1103/PhysRevD.97.036012 arXiv:1712.02119
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8. Exploratory study of possible resonances in heavy meson - heavy baryon coupled-channel interactionsSupported by DFG and NSFC through funds provided to the Sino-German CRC 110 “Symmetry and the Emergence of Structure in QCD” (NSFC 11621131001, DFG TR110), as well as an NSFC fund (11647601). The work of UGM was also supported by the CAS President’s International Fellowship Initiative (PIFI) (2017VMA0025) / Shen, Chao-Wei ; Rönchen, Deborah ; Meißner, Ulf-G. ; Zou, Bing-Song
We use a unitary coupled-channel model to study the interactions. [...]
Published in Chinese Phys. C 42 (2018) 023106 10.1088/1674-1137/42/2/023106 arXiv:1710.03885
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9. Generating a resonance-like structure in the reaction Bc→Bsππ / Liu, Xiao-Hai ; Meißner, Ulf-G.
We investigate the process Bc+→Bs0π+π0 via BK¯∗ rescattering. [...]
Published in EPJC 77 (2017) 816 10.1140/epjc/s10052-017-5402-8
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10. Note on X(3872) production at hadron colliders and its molecular structureSupported by DFG and NSFC through funds provided to the Sino-German CRC 110 “Symmetries and the Emergence of Structure in QCD” (NSFC (11621131001), DFG (TRR110)), by NSFC (11647601), by the CAS Key Research Program of Frontier Sciences (QYZDB-SSW-SYS013), by the Thousand Talents Plan for Young Professionals, by the CAS President’s International Fellowship Initiative (PIFI) (2017VMA0025), and by Spanish Ministerio de Economía y Competitividad and European FEDER under contracts FIS2014-51948-C2-1-P and SEV-2014-0398. Part of the computations have been performed on JUQUEEN and JURECA of the JSC, Jülich, Germany / Albaladejo, Miguel ; Guo, Feng-Kun ; Hanhart, Christoph ; Meißner, Ulf-G. ; et al
The production of the X(3872) as a hadronic molecule in hadron colliders is clarified. [...]
Published in Chinese Phys. C 41 (2017) 121001 10.1088/1674-1137/41/12/121001 arXiv:1709.09101
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9 Meißner, U.-G.
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