Published October 2009 | Version v1
Journal article Metadata-only

Branching ratio and CP violation of Bc→DK decays in the perturbative QCD approach

Creators

  • 1. Southwest University, School of Physical Science and Technology, Chongqing (China)

Description

In this paper, we calculate the branching ratio and direct CP asymmetry parameter of Bc±→D0K± in the framework of a perturbative QCD approach based on kT factorization. Besides the usual factorizable diagrams, both nonfactorizable and annihilation type contributions are taken into account. We find that (a) the branching ratio is at the order of 10-5; (b) the tree annihilation diagrams and the penguin diagrams dominate the total contribution; and (c) the direct CP asymmetry is about 7%, which can be tested in the Large Hadron Collider beauty experiments (LHC-b) at CERN. (orig.)

Availability note (English)

Available from: http://dx.doi.org/10.1140/epjc/s10052-009-1112-1

Additional details

Identifiers

DOI
10.1140/epjc/s10052-009-1112-1;

Publishing Information

Journal Title
European Physical Journal. C
Journal Volume
63
Journal Issue
3
Journal Page Range
p. 435-442
ISSN
1434-6044

INIS

Country of Publication
Germany
Country of Input or Organization
Germany
INIS RN
41000205
Subject category
S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
Descriptors DEI
ANNIHILATION; ASYMMETRY; B C MESONS; BRANCHING RATIO; CONFIGURATION MIXING; CP INVARIANCE; FACTORIZATION; FEYNMAN DIAGRAM; FLAVOR MODEL; PERTURBATION THEORY; QUANTUM CHROMODYNAMICS; QUARK-ANTIQUARK INTERACTIONS; SYMMETRY BREAKING; TRANSVERSE MOMENTUM; WEAK HADRONIC DECAY
Descriptors DEC
BEAUTY MESONS; BEAUTY PARTICLES; BOSONS; CHARM PARTICLES; CHARMED MESONS; COMPOSITE MODELS; DECAY; DIAGRAMS; DIMENSIONLESS NUMBERS; ELEMENTARY PARTICLES; FIELD THEORIES; HADRONS; INFORMATION; INTERACTIONS; INVARIANCE PRINCIPLES; LINEAR MOMENTUM; MATHEMATICAL MODELS; MESONS; PARTICLE DECAY; PARTICLE INTERACTIONS; PARTICLE MODELS; PSEUDOSCALAR MESONS; QUANTUM FIELD THEORY; QUARK MODEL; WEAK PARTICLE DECAY