Determining the penguin effect on [ital CP] violation in [ital B][sup 0][r arrow][pi][sup +][pi][sup [minus]]

Journal Article · Tue Feb 01 04:00:00 EST 1994 · Physical Review, D (Particles Fields); (United States)

DOI:https://doi.org/10.1103/PhysRevD.49.R1151· OSTI ID:5288332

Silva, J P; Wolfenstein, L ^[1]

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1. Department of Physics, Carnegie-Mellon University, Pittsburgh, Pennsylvania 15213 (United States)

A major goal in [ital B] physics is measuring the [ital CP]-violating asymmetry in the decay [ital B][sup 0][r arrow][pi][sup +][pi][sup [minus]]. In order to determine one of the phase angles in the CKM matrix from this decay it is necessary to determine the influence of the penguin amplitude. Here we show how, using SU(3) symmetry, the penguin effect can be approximately determined from the ratio of the decay rates of [ital B][sup 0][r arrow][ital K][sup +][pi][sup [minus]] and [ital B][sup 0][r arrow][pi][sup +][pi][sup [minus]].

• DOE Contract Number: FG02-91ER40682
• OSTI ID: 5288332
• Journal Information: Physical Review, D (Particles Fields); (United States), Journal Name: Physical Review, D (Particles Fields); (United States) Vol. 49:3; ISSN PRVDAQ; ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

662120* -- General Theory of Particles & Fields-- Symmetry
Conservation Laws
Currents & Their Properties-- (1992-)
662210 -- Specific Theories & Interaction Models
662350 -- Decays of Mesons-- (1992-)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ASYMMETRY
B MESONS
B NEUTRAL MESONS
BEAUTY PARTICLES
BOSONS
BRANCHING RATIO
CP INVARIANCE
DECAY
ELEMENTARY PARTICLES
FIELD THEORIES
HADRONS
INVARIANCE PRINCIPLES
KOBAYASHI-MASKAWA MATRIX
LIE GROUPS
MATRICES
MESONS
PARTICLE DECAY
PIONS
PIONS MINUS
PIONS PLUS
PSEUDOSCALAR MESONS
Pa
Particle Systematics-- Unified Theories & Models-- (1992-)
SU GROUPS
SU-3 GROUPS
SYMMETRY GROUPS
UNIFIED-FIELD THEORIES
WEAK HADRONIC DECAY
WEAK PARTICLE DECAY