Testing the superweak theory of CP violation in neutral B decays

Journal Article · Wed Jul 01 04:00:00 EDT 1992 · Physical Review, D (Particles Fields); (United States)

DOI:https://doi.org/10.1103/PhysRevD.46.256· OSTI ID:7302200

Soares, J M; Wolfenstein, L ^[1]

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

In order to rule out the superweak theory for {ital CP} violation, future experiments will try to find a difference between the {ital CP}-violating asymmetries in the decays {ital B}{sup 0}{r arrow}{psi}{ital K}{sub {ital S}} and {ital B}{sup 0}{r arrow}{pi}{sup +}{pi}{sup {minus}}. However, Winstein recently noted that, for some acceptable values of the Cabibbo-Kobayashi-Maskawa parameters, the standard model would give equal asymmetry parameters for these decays just as the superweak theory does. In this paper we show that, by considering both tree and penguin contributions to the decay amplitudes, the test can still be effective if a third asymmetry is measured with enough precision.

• DOE Contract Number: AC02-76ER03066
• OSTI ID: 7302200
• Journal Information: Physical Review, D (Particles Fields); (United States), Journal Name: Physical Review, D (Particles Fields); (United States) Vol. 46:1; ISSN PRVDA; 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-)
662350 -- Decays of Mesons-- (1992-)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ASYMMETRY
B MESONS
B NEUTRAL MESONS
BEAUTY PARTICLES
BOSONS
CP INVARIANCE
DECAY
EIGENSTATES
ELEMENTARY PARTICLES
FERMIONS
FIELD THEORIES
HADRONIC PARTICLE DECAY
HADRONS
INVARIANCE PRINCIPLES
KAONS
KAONS NEUTRAL
KAONS NEUTRAL SHORT-LIVED
KOBAYASHI-MASKAWA MATRIX
MATHEMATICAL MODELS
MATRICES
MATRIX ELEMENTS
MESONS
PARTICLE DECAY
PARTICLE MODELS
PARTICLE PRODUCTION
PIONS
PIONS MINUS
PIONS PLUS
POSTULATED PARTICLES
PSEUDOSCALAR MESONS
QUARKS
STANDARD MODEL
STRANGE MESONS
STRANGE PARTICLES
TESTING
UNIFIED GAUGE MODELS
UNIFIED-FIELD THEORIES
VECTOR MESONS