Hadronic and radiative D* widths

被引：24

作者：

Rosner, Jonathan L. ^{[1
,2
]}

机构：

[1] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA

[2] Univ Chicago, Dept Phys, Chicago, IL 60637 USA

来源：

PHYSICAL REVIEW D | 2013年 / 88卷 / 03期

基金：

美国能源部;

关键词：

MESONS; TRANSITIONS; QUARKS;

D O I：

10.1103/PhysRevD.88.034034

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A recent measurement of the total D*(+) width, Gamma(tot)(D*(+)) = (83.3 +/- 1.3 +/- 1.4) keV, is shown to be close to earlier predictions based on the single-quark- transition hypothesis. Those predictions are updated using more recent masses and branching fractions to a value of 80.4 keV, with a small uncertainty associated with the radiative branching fractions of D*(0) and D*(+). A prediction for the total width of D-2* (2460) and its partial width into D-pi* and D-pi is also updated and found to be in agreement with experiment.

引用

页数：4

共 20 条

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