The Ω-→Ξ-γ radiative decay:: A QCD sum rule approach

被引：0

作者：

Nielsen, M ^{[1
]}

Barreiro, LA ^{[1
]}

Escobar, CO ^{[1
]}

Rosenfeld, R ^{[1
]}

机构：

[1] Univ Sao Paulo, Inst Fis, BR-5389970 Sao Paulo, Brazil

来源：

INTERNATIONAL WORKSHOP ON HADRON PHYSICS 96: TOPICS ON THE STRUCTURE AND INTERACTION OF HADRONIC SYSTEMS | 1997年

关键词：

D O I：

暂无

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

QCD sum rules are used to calculate the contribution of short-distance single-quark transition s --> d gamma, to the amplitudes of the hyperon radiative decay, Omega(-) --> Xi(-)gamma. We re-evaluate the Wilson coefficient of the effective operator responsible for this transition. We obtain a branching ratio which is comparable to the unitarity limit.

引用

页码：275 / 281

页数：7

共 50 条

[31] A SIMPLE SUM-RULE FOR TOTAL RADIATIVE DECAY-RATES IN DIATOMICS
TELLINGHUISEN, J
CHEMICAL PHYSICS LETTERS, 1984, 105 (03) : 241 - 243
[32] Radiative φ→f0(980)γ decay in light cone QCD sum rules
Aliev, TM
Özpineci, A
Savci, M
PHYSICS LETTERS B, 2002, 527 (3-4) : 193 - 198
[33] SUM-RULE APPROACH TO RADIATIVE PION CAPTURE IN NUCLEI
LIPPARINI, E
STRINGARI, S
TRAINI, M
NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA A-NUCLEI PARTICLES AND FIELDS, 1976, 34 (01): : 48 - 58
[34] A QCD sum rule calculation of the X±(5568) → Bs0π± decay width
Dias, J. M.
Khemchandani, K. P.
Martinez Torres, A.
Nielsen, M.
Zanetti, C. M.
PHYSICS LETTERS B, 2016, 758 : 235 - 238
[35] Mass and decay constant of I=1/2 scalar meson in QCD sum rule
Du, DS
Li, JW
Yang, MZ
PHYSICS LETTERS B, 2005, 619 (1-2) : 105 - 114
[36] Light cone QCD sum rule analysis of B->Kl(+)l(-) decay
Aliev, TM
Koru, H
Ozpineci, A
Savci, M
PHYSICS LETTERS B, 1997, 400 (1-2) : 194 - 205
[37] Masses of J/ψ and ηc in the nuclear medium:: QCD sum rule approach
Klingl, F
Kim, S
Lee, SH
Morath, P
Weise, W
PHYSICAL REVIEW LETTERS, 1999, 82 (17) : 3396 - 3399
[38] Spin-3/2 pentaquark in the QCD sum rule approach
Nishikawa, T
Kanada-En'yo, Y
Morimatsu, O
Kondo, Y
PHYSICAL REVIEW D, 2005, 71 (07): : 1 - 12
[39] A QCD Sum Rule Approach with an Explicit Di-quark Field
Kyungil Kim
Daisuke Jido
Su Houng Lee
Few-Body Systems, 2013, 54 : 271 - 274
[40] Analysis of heavy mesons in nuclear matter with a QCD sum rule approach
Wang, Zhi-Gang
PHYSICAL REVIEW C, 2015, 92 (06):

← 1 2 3 4 5 →