From a fit to the impact parameter distribution of lepton tracks from semileptonic b decay, the lifetime of B-hadrons produced in e+e- collisions at the Z0 is measured to be 1.32 +/- 0.08 (stat.) +/- 0.09 (syst.) ps. Combined with an earlier measurement of the branching ratio Br(B --> lvX), the CKM matrix element \V(cb)\ is determined to be 0.046 +/- 0.002 (exp.) -0.003(+0.004) (theory).

Measurement of the Lifetime of B-hadrons and A Determination of [vcb] / B. ADEVA;O. ADRIANI;M. AGUILARBENITEZ;H. AKBARI;J. ALCARAZ;A. ALOISIO;G. ALVERSON;M. G. ALVIGGI;G. AMBROSI;Q. AN;H. ANDERHUB;A. L. ANDERSON;V. P. ANDREEV;T. ANGELOV;L. ANTONOV;D. ANTREASYAN;P. ARCE;A. AREFIEV;T. AZEMOON;T. AZIZ;P. V. K.;P. BAGNAIA;J. A. BAKKEN;L. BAKSAY;R. C. BALL;S. BANERJEE;J. BAO;R. BARILLERE;L. BARONE;R. BATTISTON;A. BAY;U. BECKER;F. BEHNER;J. BEHRENS;S. BEINGESSNER;G. L. BENCZE;J. BERDUGO;P. BERGES;B. BERTUCCI;B. L. BETEV;A. BILAND;G. M. BILEI;R. BIZZARRI;J. J. BLAISING;P. BLOMEKE;B. BLUMENFELD;G. J. BOBBINK;M. BOCCIOLINI;R. BOCK;A. BOHM;B. BORGIA;D. BOURILKOV;M. BOURQUIN;D. BOUTIGNY;B. BOUWENS;E. BRAMBILLA;J. G. BRANSON;I. C. BROCK;F. BRUYANT;C. BUISSON;A. BUJAK;J. D. BURGER;J. P. BURQ;J. BUSENITZ;X. D. CAI;M. CAPELL;M. CARIA;G. CARLINO;F. CARMINATI;A. M. CARTACCI;M. CERRADA;F. CESARONI;Y. H. CHANG;U. K. CHATURVEDI;M. CHEMARIN;A. CHEN;C. CHEN;G. M. CHEN;H. F. CHEN;H. S. CHEN;M. CHEN;M. L. CHEN;W. Y. CHEN;G. CHIEFARI;C. Y. CHIEN;M. CHMEISSANI;C. CIVININI;I. CLARE;R. CLARE;H. O. COHN;G. COIGNET;N. COLINO;V. COMMICHAU;G. CONFORTO;A. CONTIN;F. CRIJNS;X. Y. CUI;T. S. DAI;R. DALESSANDRO;R. DEASMUNDIS;A. DEGRE;K. DEITERS;E. DENES;P. DENES;F. DENOTARISTEFANI;M. DHINA;D. DIBITONTO;M. DIEMOZ;H. R. DIMITROV;C. DIONISI;M. T. DOVA;E. DRAGO;T. DRIEVER;D. DUCHESNEAU;P. DUINKER;I. DURAN;H. ELMAMOUNI;A. ENGLER;F. J. EPPLING;F. C. ERNE;P. EXTERMANN;R. FABBRETTI;M. FABRE;S. FALCIANO;Q. FAN;S. J. FAN;O. FACKLER;J. FAY;T. FERGUSON;G. FERNANDEZ;F. FERRONI;H. FESEFELDT;E. FIANDRINI;J. FIELD;F. FILTHAUT;G. FINOCCHIARO;P. H. FISHER;G. FORCONI;T. FOREMAN;K. FREUDENREICH;W. FRIEBEL;M. FUKUSHIMA;M. GAILLOUD;Y. GALAKTIONOV;E. GALLO;S. N. GANGULI;P. GARCIAABIA;S. S. GAU;D. GELE;S. GENTILE;M. GLAUBMAN;S. GOLDFARB;Z. F. GONG;E. GONZALEZ;A. GORDEEV;P. GOTTLICHER;D. GOUJON;G. GRATTA;C. GRINNELL;M. GRUENEWALD;M. GUANZIROLI;J. K. GUO;A. GURTU;H. R. GUSTAFSON;L. J. GUTAY;H. HAAN;A. HASAN;D. HAUSCHILDT;C. 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WANG;G. H. WANG;J. H. WANG;Q. F. WANG;X. L. WANG;Y. F. WANG;Z. WANG;Z. M. WANG;A. WEBER;J. WEBER;R. WEILL;T. J. WENAUS;J. WENNINGER;M. WHITE;C. WILLMOTT;F. WITTGENSTEIN;D. WRIGHT;R. J. WU;S. L. WU;S. X. WU;Y. G. WU;B. WYSLOUCH;Y. Y. XIE;Y. D. XU;Z. Z. XU;Z. L. XUE;D. S. YAN;X. J. YAN;B. Z. YANG;C. G. YANG;G. YANG;K. S. YANG;Q. Y. YANG;Z. Q. YANG;C. H. YE;J. B. YE;Q. YE;S. C. YEH;Z. W. YIN;J. M. YOU;M. YZERMAN;C. ZACCARDELLI;P. ZEMP;M. ZENG;Y. ZENG;D. H. ZHANG;Z. P. ZHANG;J. F. ZHOU;R. Y. ZHU;H. L. ZHUANG;A. ZICHICHI. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - STAMPA. - 270:(1991), pp. 111-122. [10.1016/0370-2693(91)91547-9]

Measurement of the Lifetime of B-hadrons and A Determination of [vcb]

ADRIANI, OSCAR;D'ALESSANDRO, RAFFAELLO;M. LENTI;
1991

Abstract

From a fit to the impact parameter distribution of lepton tracks from semileptonic b decay, the lifetime of B-hadrons produced in e+e- collisions at the Z0 is measured to be 1.32 +/- 0.08 (stat.) +/- 0.09 (syst.) ps. Combined with an earlier measurement of the branching ratio Br(B --> lvX), the CKM matrix element \V(cb)\ is determined to be 0.046 +/- 0.002 (exp.) -0.003(+0.004) (theory).
1991
270
111
122
B. ADEVA;O. ADRIANI;M. AGUILARBENITEZ;H. AKBARI;J. ALCARAZ;A. ALOISIO;G. ALVERSON;M. G. ALVIGGI;G. AMBROSI;Q. AN;H. ANDERHUB;A. L. ANDERSO...espandi
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Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/772728
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