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Titolo:
Complex flavour couplings in supersymmetry and unexpected CP violation in the decay B -> phi K
Autore:
Lunghi, E; Wyler, D;
Indirizzi:
DESY, Deutsch Elekt Synchrotron, D-22607 Hamburg, Germany DESY Hamburg Germany D-22607 Elekt Synchrotron, D-22607 Hamburg, Germany Univ Zurich, CH-8057 Zurich, Switzerland Univ Zurich Zurich Switzerland CH-8057 rich, CH-8057 Zurich, Switzerland
Titolo Testata:
PHYSICS LETTERS B
fascicolo: 3-4, volume: 521, anno: 2001,
pagine: 320 - 328
SICI:
0370-2693(20011129)521:3-4<320:CFCISA>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Soggetto:
B->X-S-GAMMA DECAYS; UNITARITY TRIANGLE; STANDARD MODEL; PHYSICS; ASYMMETRIES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
44
Recensione:
Indirizzi per estratti:
Indirizzo: Wyler, D DESY, Deutsch Elekt Synchrotron, Notkestr 85, D-22607 Hamburg, Germany DESY Notkestr 85 Hamburg Germany D-22607 -22607 Hamburg, Germany
Citazione:
E. Lunghi e D. Wyler, "Complex flavour couplings in supersymmetry and unexpected CP violation in the decay B -> phi K", PHYS LETT B, 521(3-4), 2001, pp. 320-328

Abstract

Complex flavour couplings (off-diagonal mass terms) in the squark sector of supersymmetric theories may drastically alter both the rate and the CP-violating asymmetry of certain B-meson decays. We consider the effects of couplings, that induce b --> s transitions and lead to final state with strangeness one. We investigate the bounds that must be satisfied by the new terms and explore the possible implications on direct and mixing induced asymmetries in the charged and neutral B --> J/PsiK and B --> phiK decays. (C) 2001 Elsevier Science B.V. All rights reserved.

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Documento generato il 30/03/20 alle ore 13:24:17