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Titolo:
LEP measurements of V-cb using B-0 -> D*(+)l-nu
Autore:
Tarem, S;
Indirizzi:
Technion Israel Inst Technol, Dept Phys, IL-32000 Haifa, Israel Technion Israel Inst Technol Haifa Israel IL-32000 L-32000 Haifa, Israel
Titolo Testata:
NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS
, volume: 93, anno: 2001,
pagine: 287 - 290
SICI:
0920-5632(200103)93:<287:LMOVUB>2.0.ZU;2-N
Fonte:
ISI
Lingua:
ENG
Soggetto:
VERTICAL-BAR; FORM-FACTORS; DECAYS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
9
Recensione:
Indirizzi per estratti:
Indirizzo: Tarem, S Technion Israel Inst Technol, Dept Phys, IL-32000 Haifa, Israel Technion Israel Inst Technol Haifa Israel IL-32000 aifa, Israel
Citazione:
S. Tarem, "LEP measurements of V-cb using B-0 -> D*(+)l-nu", NUCL PH B-P, 93, 2001, pp. 287-290

Abstract

The magnitude of the CKM matrix element V-cb has been measured using (B) over bar (0) --> D*(+)l(-)(v) over bar decays recorded on the Z(0) peak using the OPAL. ALEPH and DELPHI detectors at LEP. The D*(+) --> D(0)pi (+) decays were reconstructed both in particular decay modes and via an inclusive technique. The product of \V-cb\ and the decay form factor of the (B) over cap (0) ->. D*(+)l(-)(v) over bar transition at zero recoil F(1) was measured to be F(1)\V-cb\ = (34.9+/-1.7) x 10(-3). \V-cb\ = (39.7 +/- 1.9 +/- 2.2) x 10(-3) is obtained by using Heavy Quark Effective Theory calculations for F(1).

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Documento generato il 29/03/20 alle ore 15:26:42