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Titolo:
Getting bounds on the mixing angles for a nonsequential bottom quark - art. no. 017301
Autore:
Martinez, R; Rodriguez, JA; Vargas, M;
Indirizzi:
Univ Nacl Colombia, Dept Fis, Bogota, Colombia Univ Nacl Colombia BogotaColombia Colombia, Dept Fis, Bogota, Colombia
Titolo Testata:
PHYSICAL REVIEW D
fascicolo: 1, volume: 6301, anno: 2001,
pagine: 7301 -
SICI:
0556-2821(20010101)6301:1<7301:GBOTMA>2.0.ZU;2-Z
Fonte:
ISI
Lingua:
ENG
Soggetto:
CHANGING NEUTRAL CURRENTS; CP ASYMMETRIES; B0 DECAYS; PHYSICS; CONSTRAINTS; ISOSINGLET; PREDICTIONS; FERMIONS; MODEL;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
21
Recensione:
Indirizzi per estratti:
Indirizzo: Martinez, R Univ Nacl Colombia, Dept Fis, Bogota, Colombia Univ Nacl Colombia Bogota Colombia pt Fis, Bogota, Colombia
Citazione:
R. Martinez et al., "Getting bounds on the mixing angles for a nonsequential bottom quark - art. no. 017301", PHYS REV D, 6301(1), 2001, pp. 7301

Abstract

We analyze the Zf(f) over bar vertex in the framework of models that add anew bottom quark in a nonsequential way and we evaluate the tree level contribution to the CERN, LEP, or SLC observables Gamma (Z), R-l, and R-b. We obtain bounds for the mixing angles from the experimentally allowed contourregions of the parameters hL.R introduced here. In order to get a more restrictive region, we consider the experimental results for B --> <<nu>(nu )over bar>X as well.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 23/01/20 alle ore 03:27:27