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Titolo:
SEARCH FOR D-0(D)OVER-BAR(0) MIXING IN SEMILEPTONIC DECAY MODES
Autore:
AITALA EM; AMATO S; ANJOS JC; APPEL JA; ASHERY D; BANERJEE S; BEDIAGA I; BLAYLOCK G; BRACKER SB; BURCHAT PR; BURNSTEIN RA; CARTER T; CARVALHO HS; COPTY NK; COSTA I; CREMALDI LM; DARLING C; DENISENKO K; FERNANDEZ A; GAGNON P; GERZON S; GOBEL C; GOUNDER K; HALLING AM; HERRERA G; HURVITS G; JAMES C; KASPER PA; KWAN S; LANGS DC; LESLIE J; LUNDBERG B; MAYTALBECK S; MEADOWS B; NETO JRTD; MILBURN RH; DEMIRANDA JM; NAPIER A; NGUYEN A; DOLIVEIRA AB; OSHAUGHNESSY K; PENG KC; PERERA LP; PUROHIT MV; QUINN B; RADEZTSKY S; RAFATIAN A; REAY NW; REIDY JJ; DOSREIS AC; RUBIN HA; SANTHA AKS; SANTORO AFS; SCHWARTZ AJ; SHEAFF M; SIDWELL RA; SLAUGHTER AJ; SOKOLOFF MD; STANTON NR; STENSON K; SUGANO K; SUMMERS DJ; TAKACH S; THORNE K; TRIPATHI AK; WATANABE S; WEISSBABAI R; WIENER J; WITCHEY N; WOLIN E; YI D; YOSHIDA S; ZALIZNYAK R; ZHANG C;
Indirizzi:
UNIV MISSISSIPPI UNIVERSITY MS 38677 CTR BRASILEIRO PESQUISAS FIS RIO JANEIRO BRAZIL UNIV CALIF SANTA CRUZ SANTA CRUZ CA 95064 UNIV CINCINNATI CINCINNATI OH 45221 CINVESTAV IPN MEXICO CITY 14000 DF MEXICO FERMILAB NATL ACCELERATOR LAB BATAVIA IL 60510 IIT CHICAGO IL 60616 KANSAS STATE UNIV MANHATTAN KS 66506 OHIO STATE UNIV COLUMBUS OH 43210 PRINCETON UNIV PRINCETON NJ 08544 UNIV AUTONOMA PUEBLA PUEBLA 72570 MEXICO UNIV S CAROLINA COLUMBIA SC 29208 STANFORD UNIV STANFORD CA 94305 TEL AVIV UNIV IL-69978 TEL AVIV ISRAEL TUFTS UNIV MEDFORD MA 02155 UNIV WISCONSIN MADISON WI 53706 YALE UNIV NEW HAVEN CT 06511
Titolo Testata:
Physical review letters
fascicolo: 12, volume: 77, anno: 1996,
pagine: 2384 - 2387
SICI:
0031-9007(1996)77:12<2384:SFDMIS>2.0.ZU;2-C
Fonte:
ISI
Lingua:
ENG
Soggetto:
D0-DBAR0; STANDARD; PHYSICS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
20
Recensione:
Indirizzi per estratti:
Citazione:
E.M. Aitala et al., "SEARCH FOR D-0(D)OVER-BAR(0) MIXING IN SEMILEPTONIC DECAY MODES", Physical review letters, 77(12), 1996, pp. 2384-2387

Abstract

We report the result of a search for D-0 (D) over bar(0) mixing in the data from hadroproduction experiment E791 at Fermilab. We use the charge of the pion from the strong decay D-+ --> D-0 pi(+) (and charge conjugate) to identify the charm quantum number of the neutral D at production, and the charge of the lepton and the kaon in the semileptonic decays D-0 --> Ke nu and K mu nu to identify the charm at the time of decay. No evidence of mixing is seen. We set a 90% confidence level upper limit on mixing of r < 0.50%, where r = Gamma(D-0 --> (D) over bar(0) --> K(+)l(-)<(nu)over bar>(l))/(D-0 --> K(-)l(+)nu(l)).

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 07/04/20 alle ore 22:47:01