QCD Sum rules for magnetically induced mixing between ηc and J /ψ

Sungtae Cho; Koichi Hattori; Su Houng Lee; Kenji Morita; Sho Ozaki

doi:10.1103/PhysRevLett.113.172301

QCD Sum rules for magnetically induced mixing between ηc and J /ψ

Sungtae Cho, Koichi Hattori, Su Houng Lee, Kenji Morita, Sho Ozaki

Department of Physics

Research output: Contribution to journal › Article › peer-review

30 Citations (Scopus)

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 ηc 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.

Original language	English
Article number	172301
Journal	Physical review letters
Volume	113
Issue number	17
DOIs	https://doi.org/10.1103/PhysRevLett.113.172301
Publication status	Published - 2014 Oct 20

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© 2014 American Physical Society.

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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AU - Cho, Sungtae

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AU - Lee, Su Houng

AU - Morita, Kenji

AU - Ozaki, Sho

PY - 2014/10/20

Y1 - 2014/10/20

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AB - We investigate the properties of charmonia in strong magnetic fields by using QCD sum rules. We show how to implement the mixing effects between ηc 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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QCD Sum rules for magnetically induced mixing between ηc and J /ψ

Abstract

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