Effects of enhanced Z penguin diagrams on lepton polarizations in B{yields}X{sub s}l{sup +}l{sup -}

Journal Article · Wed Sep 01 00:00:00 EDT 2004 · Physical Review. D, Particles Fields

DOI:https://doi.org/10.1103/PhysRevD.70.057501· OSTI ID:20705174

Choudhury, S Rai; Gaur, Naveen; Cornell, A S ^[1]

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1. Department of Physics and Astrophysics, University of Delhi, Delhi-110 007 (India)

The sensitivity of the B{yields}{pi}K mode to electroweak penguin diagrams and the recent experimental data for the B{yields}{pi}{pi},{pi}K modes has given rise to what is known as the ''B{yields}{pi}K puzzle.'' Recently it has been observed that this puzzle can be resolved by considering the new physics which can enter via Z{sup 0} penguin diagrams. In this note we analyze the effect of these enhanced Z{sup 0} penguin diagrams on the lepton polarization asymmetries of b{yields}sl{sup +}l{sup -}.

• OSTI ID: 20705174
• Journal Information: Physical Review. D, Particles Fields, Vol. 70, Issue 5; Other Information: DOI: 10.1103/PhysRevD.70.057501; (c) 2004 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ASYMMETRY
B MESONS
FEYNMAN DIAGRAM
KAONS
LEPTONS
PARTICLE PRODUCTION
PIONS
POLARIZATION
SEMILEPTONIC DECAY
SENSITIVITY
WEINBERG-SALAM GAUGE MODEL
Z NEUTRAL BOSONS