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D’Elia M, Maio L, Sanfilippo F, Stanzione A. Confining and chiral properties of QCD in extremely strong magnetic fields. Int J Clin Exp Med 2021. [DOI: 10.1103/physrevd.104.114512] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Cho S, Hattori K, Lee SH, Morita K, Ozaki S. Charmonium spectroscopy in strong magnetic fields by QCD sum rules:S-wave ground states. Int J Clin Exp Med 2015. [DOI: 10.1103/physrevd.91.045025] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Cho S, Hattori K, Lee SH, Morita K, Ozaki S. QCD sum rules for magnetically induced mixing between ηc and J/ψ. PHYSICAL REVIEW LETTERS 2014; 113:172301. [PMID: 25379915 DOI: 10.1103/physrevlett.113.172301] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2014] [Indexed: 06/04/2023]
Abstract
We investigate the properties of charmonia in strong magnetic fields by using QCD sum rules. We show how to implement the mixing effects between η(c) and J/ψ on the basis of field-theoretical approaches, and then show that the sum rules are saturated by the mixing effects with phenomenologically determined parameters. Consequently, we find that the mixing effects are the dominant contribution to the mass shifts of the static charmonia in strong magnetic fields.
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Affiliation(s)
- Sungtae Cho
- Institute of Physics and Applied Physics, Yonsei University, Seoul 120-749, Korea
| | - Koichi Hattori
- Institute of Physics and Applied Physics, Yonsei University, Seoul 120-749, Korea and Theoretical Research Division, Nishina Center, RIKEN, Wako, Saitama 351-0198, Japan and RIKEN BNL Research Center, Building 510A, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - Su Houng Lee
- Institute of Physics and Applied Physics, Yonsei University, Seoul 120-749, Korea
| | - Kenji Morita
- Frankfurt Institute for Advanced Studies, Ruth-Moufang-Strasse 1, D-60438 Frankfurt am Main, Germany and Institute of Theoretical Physics, University of Wroclaw, PL-50204 Wroclaw, Poland and Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto 606-8502, Japan
| | - Sho Ozaki
- Institute of Physics and Applied Physics, Yonsei University, Seoul 120-749, Korea and Theory Center, IPNS, High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
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