An analysis of proton-antiproton collisions at square-root s = 1.8 TeV recorded with the Collider Detector at Fermilab (CDF) yields sigma(ppBAR --> WX)B(W --> mu-nu) = 2.21 +/- 0.22 nb and sigma(ppBAR --> ZX)B(Z --> mu+mu-) = 0.226 +/- 0.032 nb. The ratio is R(mu) = sigma(W)B(W --> mu-nu)/sigma(Z)B(Z --> mu+mu-) = 9.8 +/- 1.2. Combining with previous CDF electron results gives sigma(W)B(W --> l-nu) = 2.20 +/- 0.20 nb, sigma(Z)B(Z- l+l-) = 0.214 +/- 0.023 nb, and R(l) = 10.0 +/- 0.8. We extract the ratios of the coupling constants g(mu)/g(e) and g(tau)/g(mu). Using standard model assumptions we deduce the inverse branching ratio B-1(W --> l-nu), the width GAMMA(W), and a decay-mode-independent lower bound on the top quark mass of 45 GeV/c2 (95% C.L.).
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Autori: | ABE F; AMIDEI D; APOLLINARI G; ATAC M; AUCHINCLOSS P; BADEN AR; BACCHETTA N; BAILEY MW; BAMBERGER A; DEBARBARO P; BARNETT BA; BARBAROGALTIERI A; BARNES VE; BAUMANN T; BEDESCHI F; BEHRENDS S; BELFORTE S; BELLETTINI G; BELLINGER J; BENJAMIN D; BENSINGER J; BERETVAS A; BERGE JP; BERTOLUCCI S; BHADRA S; BINKLEY M; BISELLO D; BLAIR R; BLOCKER C; BODEK A; BOLOGNESI V; BOOTH AW; BOSWELL C; BRANDENBURG G; BROWN D; BUCKLEYGEER E; BUDD HS; BUSETTO G; BYONWAGNER A; BYRUM KL; CAMPAGNARI C; CAMPBELL M; CANER A; CAREY R; CARITHERS W; CARLSMITH D; CARROLL JT; CASHMORE R; CASTRO A; CERVELLI F; CHADWICK K; CHIARELLI G; CHINOWSKY W; CIHANGIR S; CLARK AG; COBAL M; CONNOR D; CONTRERAS M; COOPER J; CORDELLI M; CRANE D; CURATOLO M; DAY C; DEJONGH F; DELLAGNELLO S; DELLORSO M; DEMORTIER L; DENBY B; DERWENT PF; DEVLIN T; DIBITONTO D; DICKSON M; DRUCKER RB; EINSWEILER K; ELIAS JE; ELY R; ENO S; ERREDE S; ESPOSITO B; ETCHEGOYEN A; FLAUGHER B; FOSTER GW; FRANKLIN M; FREEMAN J; FRISCH H; FUESS T; FUKUI Y; GARFINKEL AF; GAUTHIER A; GEER S; GERDES DW; GIANNETTI P; GIOKARIS N; GIROMINI P; GLADNEY L; GOLD M; GOULIANOS K; GRASSMANN H; GRIECO GM; GROSSOPILCHER C; HABER C; HAHN SR; HANDLER R; HARA K; HARRAL B; HARRIS RM; HAUSER J; HAWK C; HESSING T; HOLLEBEEK R; HOLLOWAY L; HU P; HUBBARD B; HUFFMAN BT; HUGHES R; HURST P; HUTH J; HYLEN J; INCAGLI M; INO T; ISO H; JENSEN H; JESSOP CP; JOHNSON RP; JOSHI U; KADEL RW; KAMON T; KANDA S; KARDELIS DA; KARLINER I; KEARNS E; KEEBLE L; KEPHART R; KESTEN P; KEUP RM; KEUTELIAN H; KIM D; KIM S; KIM YK; KIRSCH L; KONDO K; KONIGSBERG J; KOVACS E; KUHLMANN SE; KUNS E; LAASANEN AT; LAMOUREUX JI; LEONE S; LEWIS J; LI W; LIMON P; LISS TM; LOCKYER N; LORETI M; LOW EH; LUCHINI CB; LUKENS P; MAAS P; MAESHIMA K; MANGANO M; MARRINER JP; MARIOTTI M; MARKELOFF R; MARKOSKY LA; MATTINGLY R; MCINTYRE P; MENZIONE A; MEYER T; MIKAMO S; MILLER M; MIMASHI T; MISCETTI S; MISHINA M; MIYASHITA S; MORITA Y; MOULDING S; MUELLER J; MUKHERJEE A; NAKAE LF; NAKANO I; NELSON C; NEWMANHOLMES C; NG JST; NINOMIYA M; NODULMAN L; OGAWA S; PAOLETTI R; PAPADIMITRIOU V; PARA A; PARE E; PARK S; PATRICK J; PAULETTA G; PESCARA L; PHILLIPS TJ; PTOHOS F; PLUNKETT R; PONDROM L; PROUDFOOT J; PUNZI G; QUARRIE D; RAGAN K; REDLINGER G; RHOADES J; ROACH M; RIMONDI F; RISTORI L; RODRIGO T; ROHALY T; ROODMAN A; SAKUMOTO WK; SANSONI A; SARD RD; SAVOYNAVARRO A; SCARPINE V; SCHLABACH P; SCHMIDT EE; SCHNEIDER O; SCHUB MH; SCHWITTERS R; SCRIBANO A; SEGLER S; SEIYA Y; SHAPIRO M; SHAW NM; SHEAFF M; SHOCHET M; SIEGRIST J; SINERVO P; SKARHA J; SLIWA K; SMITH DA; SNIDER FD; SONG L; SPAHN M; SPHICAS P; STDENIS R; STEFANINI A; SULLIVAN G; SWARTZ RL; TAKANO M; TARTARELLI F; TAKIKAWA K; TAREM S; THERIOT D; TIMKO M; TIPTON P; TKACZYK S; TOLLESTRUP A; TONNISON J; TRISCHUK W; TURINI N; TSAY Y; UKEGAWA F; UNDERWOOD D; VEJCIK S; VIDAL R; WAGNER RG; WAGNER RL; WAINER N; WALSH J; WATTS T; WEBB R; WENDT C; WENZEL H; WESTER WC; WESTHUSING T; WHITE SN; WICKLUND AB; WILLIAMS HH; WINER BL; WYSS J; YAGIL A; YASUOKA K; YEH GP; YOH J; YOKOYAMA M; YUN JC; ZANETTI A; ZETTI F; ZUCCHELLI S |
Titolo: | MEASUREMENT OF THE PRODUCTION AND MUONIC DECAY-RATE OF W AND Z BOSONS IN P(P)BAR COLLISIONS AT ROOT-S = 1.8 TEV |
Anno del prodotto: | 1992 |
Digital Object Identifier (DOI): | 10.1103/PhysRevLett.69.28 |
Appare nelle tipologie: | 1.1 Articolo in rivista |