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Title: D mesons in a magnetic field

Abstract

In this paper, we investigate the mass spectra of open heavy flavor mesons in an external constant magnetic field within QCD sum rules. Spectral Ansatze on the phenomenological side are proposed in order to properly take into account mixing effects between the pseudoscalar and vector channels, and the Landau levels of charged mesons. The operator product expansion is implemented up to dimension-5 operators. As a result, we find for neutral D mesons a significant positive mass shift that goes beyond simple mixing effects. In contrast, charged D mesons are further subject to Landau level effects, which together with the mixing effects almost completely saturate the mass shifts obtained in our sum rule analysis.

Authors:
 [1];  [2];  [3];  [4];  [5];  [6]
  1. ECT, Villazzano (Italy)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States); Nishina Center, RIKEN, Saitama (Japan)
  3. Yonsei Univ., Seoul (Korea)
  4. Tokyo Institute of Technology, Tokyo (Japan); Japan Atomic Energy Agency, Ibaraki (Japan)
  5. INPS, High Energy Accelerator Research Organization (KEK), Ibaraki (Japan)
  6. Nishina Center, RIKEN, Saitama (Japan)
Publication Date:
Research Org.:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP)
OSTI Identifier:
1254126
Report Number(s):
BNL-112146-2016-JA
Journal ID: ISSN 2470-0010; PRVDAQ; R&D Project: PO-3
Grant/Contract Number:  
SC00112704
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review D
Additional Journal Information:
Journal Volume: 93; Journal Issue: 5; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Riken BNL Research Center

Citation Formats

Gubler, Philipp, Hattori, Koichi, Lee, Su Houng, Oka, Makoto, Ozaki, Sho, and Suzuki, Kei. D mesons in a magnetic field. United States: N. p., 2016. Web. doi:10.1103/PhysRevD.93.054026.
Gubler, Philipp, Hattori, Koichi, Lee, Su Houng, Oka, Makoto, Ozaki, Sho, & Suzuki, Kei. D mesons in a magnetic field. United States. https://doi.org/10.1103/PhysRevD.93.054026
Gubler, Philipp, Hattori, Koichi, Lee, Su Houng, Oka, Makoto, Ozaki, Sho, and Suzuki, Kei. Tue . "D mesons in a magnetic field". United States. https://doi.org/10.1103/PhysRevD.93.054026. https://www.osti.gov/servlets/purl/1254126.
@article{osti_1254126,
title = {D mesons in a magnetic field},
author = {Gubler, Philipp and Hattori, Koichi and Lee, Su Houng and Oka, Makoto and Ozaki, Sho and Suzuki, Kei},
abstractNote = {In this paper, we investigate the mass spectra of open heavy flavor mesons in an external constant magnetic field within QCD sum rules. Spectral Ansatze on the phenomenological side are proposed in order to properly take into account mixing effects between the pseudoscalar and vector channels, and the Landau levels of charged mesons. The operator product expansion is implemented up to dimension-5 operators. As a result, we find for neutral D mesons a significant positive mass shift that goes beyond simple mixing effects. In contrast, charged D mesons are further subject to Landau level effects, which together with the mixing effects almost completely saturate the mass shifts obtained in our sum rule analysis.},
doi = {10.1103/PhysRevD.93.054026},
journal = {Physical Review D},
number = 5,
volume = 93,
place = {United States},
year = {Tue Mar 15 00:00:00 EDT 2016},
month = {Tue Mar 15 00:00:00 EDT 2016}
}

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