Analysis of the {Lambda}{sub b{yields}{Lambda}}l{sup +}l{sup -} decay in QCD

Journal Article · Mon Mar 01 04:00:00 EST 2010 · Physical Review. D, Particles Fields

DOI:https://doi.org/10.1103/PHYSREVD.81.056006· OSTI ID:21409899

Aliev, T M; Savci, M ^[1]; Azizi, K ^[2]

---

1. Physics Department, Middle East Technical University, 06531 Ankara (Turkey)
2. Physics Division, Faculty of Arts and Sciences, Dogus University Acibadem-Kadikoey, 34722, Istanbul (Turkey)

Taking into account the {Lambda} baryon distribution amplitudes and the most general form of the interpolating current of the {Lambda}{sub b}, the semileptonic {Lambda}{sub b{yields}{Lambda}}l{sup +}l{sup -} transition is investigated in the framework of the light cone QCD sum rules. Sum rules for all 12 form factors responsible for the {Lambda}{sub b{yields}{Lambda}}l{sup +}l{sup -} decay are constructed. The obtained results for the form factors are used to compute the branching fraction. A comparison of the obtained results with the existing predictions of the heavy quark effective theory is presented. The results of the branching ratio shows the detectability of this channel at the Large Hadron Collider beauty in the near future is quite high.

• OSTI ID: 21409899
• Journal Information: Physical Review. D, Particles Fields, Journal Name: Physical Review. D, Particles Fields Journal Issue: 5 Vol. 81; ISSN PRVDAQ; ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ACCELERATORS
B QUARKS
BARYONS
BEAUTY PARTICLES
BRANCHING RATIO
C QUARKS
CERN LHC
CHARM PARTICLES
COMPARATIVE EVALUATIONS
CYCLIC ACCELERATORS
DECAY
DIMENSIONLESS NUMBERS
DISTRIBUTION
ELEMENTARY PARTICLES
EQUATIONS
EVALUATION
FERMIONS
FIELD THEORIES
FORECASTING
FORM FACTORS
HADRONS
HYPERONS
LAMBDA BARYONS
LIGHT CONE
PARTICLE DECAY
PARTICLE PROPERTIES
POSTULATED PARTICLES
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
QUARKS
SEMILEPTONIC DECAY
SPACE-TIME
STORAGE RINGS
STRANGE PARTICLES
SUM RULES
SYNCHROTRONS
T QUARKS
TOP PARTICLES
WEAK PARTICLE DECAY