Probing new physics in B{yields}f{sub 0}(980)K decays

Journal Article · Fri Dec 01 00:00:00 EST 2006 · Physical Review. D, Particles Fields

DOI:https://doi.org/10.1103/PHYSREVD.74.114001· OSTI ID:20868081

Giri, A K ^[1]; Mawlong, B; Mohanta, R ^[2]

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1. Department of Physics, Punjabi University, Patiala-147002 (India)
2. School of Physics, University of Hyderabad, Hyderabad-500 046 (India)

We study the hadronic decay modes B{sup {+-}}{sup (0)}{yields}f{sub 0}(980)K{sup {+-}}{sup (0)}, involving a scalar and a pseudoscalar meson in the final state. These decay modes are dominated by the loop induced b{yields}sqq(q=s,u,d) penguins along with a small b{yields}u tree level transition (for B{sup +}{yields}f{sub 0}K{sup +}) and annihilation diagrams. Therefore, the standard model expectation of direct CP violation is negligibly small and the mixing-induced CP violation parameter in the mode B{sup 0}{yields}f{sub 0}K{sub S} is expected to give the same value of sin(2{beta}), as extracted from B{sup 0}{yields}J/{psi}K{sub S} but with opposite sign. Using the generalized factorization approach we find the direct CP violation in the decay mode B{sup +}{yields}f{sub 0}K{sup +} to be of the order of few percent. We then study the effect of the R-parity violating supersymmetric model and show that the direct CP violating asymmetry in B{sup +}{yields}f{sub 0}(980)K{sup +} could be as large as {approx}80% and the mixing-induced CP asymmetry in B{sup 0}{yields}f{sub 0}K{sub S} (i.e., -S{sub f{sub 0}}{sub K{sub S}}) could deviate significantly from that of sin(2{beta}){sub J/{psi}}{sub K{sub S}}.

• OSTI ID: 20868081
• Journal Information: Physical Review. D, Particles Fields, Vol. 74, Issue 11; Other Information: DOI: 10.1103/PhysRevD.74.114001; (c) 2006 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
ANNIHILATION
ASYMMETRY
B MINUS MESONS
B NEUTRAL MESONS
B PLUS MESONS
CP INVARIANCE
F0-980 MESONS
FACTORIZATION
FEYNMAN DIAGRAM
HADRONIC PARTICLE DECAY
J PSI-3097 MESONS
KAONS MINUS
KAONS NEUTRAL SHORT-LIVED
KAONS PLUS
PARITY
STANDARD MODEL
SUPERSYMMETRY
WEINBERG ANGLE