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Heavy-Meson Decay Constants: Isospin Breaking from QCD Sum Rules.

Authors :
Lucha, Wolfgang
Melikhov, Dmitri
Simula, Silvano
Source :
EPJ Web of Conferences. 2017, Vol. 137, p1-8. 8p.
Publication Year :
2017

Abstract

Compared with lattice QCD, isospin breaking of heavy-meson decay constants from QCD sum rules agrees for D mesons but disagrees (by a factor of four) for Bmesons. [ABSTRACT FROM AUTHOR]

Subjects

Subjects :
*DECAY constants
*ISOBARIC spin
*QCD sum rules (Nuclear physics)
*MESONS
*LATTICE theory

Details

Language :
English
ISSN :
21016275
Volume :
137
Database :
Academic Search Index
Journal :
EPJ Web of Conferences
Publication Type :
Conference
Accession number :
122033958
Full Text :
https://doi.org/10.1051/epjconf/201713706017
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