Inclusive photon energy spectrum in B decays

Conference · Sat Feb 01 00:00:00 EST 1992 · AIP Conference Proceedings (American Institute of Physics); (United States)

OSTI ID:5518828

Greub, C ^[1]

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1. Institute for Theoretical Physics, University of Zuerich, Schoenberggasse 9, CH-8001 Zuerich (Switzerland)

We present a theoretical estimate for the inclusive photon energy spectrum in direct decays of [ital B]-mesons taking into account both the charged current (CC) and flavour changing neutral current (FCNC) processes. It is shown that the various components in the inclusive spectrum can in principle be disentangled. In particular, the high energy part of the photon energy spectrum is dominated by the electromagnetic penguins. Its measurement could provide the first direct determination of the CKM matrix element [vert bar][ital V][sub [ital ts]][vert bar]. Furthermore the theoretical uncertainties in the FCNC processes are analyzed.

• OSTI ID: 5518828
• Report Number(s): CONF-920837-; CODEN: APCPCS
• Journal Information: AIP Conference Proceedings (American Institute of Physics); (United States), Vol. 272:1; Conference: ICHEP-26: 26th International Union of Pure and Applied Physics (IUPAP) conference on high energy physics, Dallas, TX (United States), 6-12 Aug 1992; ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
B MESONS
RADIATIVE DECAY
PHOTONS
ENERGY SPECTRA
BRANCHING RATIO
CHARGED CURRENTS
FLAVOR MODEL
GEV RANGE 100-1000
INCLUSIVE INTERACTIONS
NEUTRAL CURRENTS
QUANTUM CHROMODYNAMICS
ALGEBRAIC CURRENTS
BEAUTY PARTICLES
BOSONS
COMPOSITE MODELS
CURRENTS
DECAY
ELEMENTARY PARTICLES
ENERGY RANGE
FIELD THEORIES
GEV RANGE
HADRONS
INTERACTIONS
MASSLESS PARTICLES
MATHEMATICAL MODELS
MESONS
PARTICLE DECAY
PARTICLE INTERACTIONS
PARTICLE MODELS
PSEUDOSCALAR MESONS
QUANTUM FIELD THEORY
QUARK MODEL
SPECTRA
662350* - Decays of Mesons- (1992-)
662390 - Electromagnetic Processes & Properties- (1992-)
662230 - Quantum Chromodynamics- (1992-)