Measurement of theB0-meson lifetime

Measurement of theB0-meson lifetime

S. R. Wagner,D. A. Hinshaw,R. A. Ong,A. Snyder,G. Abrams,C. E. Adolphsen,C. Akerlof,J. P. Alexander,M. Alvarez,D. Amidei,A. R. Baden,J. Ballam,B. C. Barish,T. Barklow,B. A. Barnett,J. Bartelt,D. Blockus,G. Bonvicini,A. Boyarski,J. Boyer,B. Brabson,A. Breakstone,J. M. Brom,F. Bulos,P. R. Burchat,D. L. Burke,F. Butler,F. Calvino,R. J. Cence,J. Chapman,D. Cords,D. P. Coupal,H. C. DeStaebler,D. E. Dorfan,J. M. Dorfan,P. S. Drell,G. J. Feldman,E. Fernandez,R. C. Field,W. T. Ford,C. Fordham,R. Frey,D. Fujino,K. K. Gan,G. Gidal,L. Gladney,T. Glanzman,M. S. Gold,G. Goldhaber,A. Green,P. Grosse-Wiesmann,J. Haggerty,G. Hanson,R. Harr,F. A. Harris,C. M. Hawkes,K. Hayes,D. Herrup,C. A. Heusch,T. Himel,R. J. Hollebeek,D. Hutchinson,J. Hylen,W. R. Innes,M. Jaffre,J. A. Jaros,I. Juricic,J. A. Kadyk,D. Karlen,J. Kent,S. R. Klein,W. Koska,W. Kozanecki,A. J. Lankford,R. R. Larsen,B. W. LeClaire,M. E. Levi,A. M. Litke,N. S. Lockyer,V. Lüth,J. A. J. Matthews,D. I. Meyer,B. D. Milliken,K. C. Moffeit,L. Müller,J. Nash,M. E. Nelson,D. Nitz,H. Ogren,K. F. O’Shaughnessy,S. I. Parker,C. Peck,M. L. Perl,A. Petersen,M. Petradza,F. C. Porter,P. Rankin,B. Richter,K. Riles,P. C. Rowson,D. R. Rust,H. F. W. Sadrozinski,T. Schaad,T. L. Schalk,H. Schellman,W. B. Schmidke,A. S. Schwarz,A. Seiden,P.D. Sheldon,J. G. Smith,E. Soderstrom,D. P. Stoker,R. Stroynowski,R. Thun,G. H. Trilling,R. Tschirhart,R. Van Kooten,H. Veltman,P. Voruganti,P. Weber,A. J. Weinstein,S. Weisz,S. L. White,E. Wicklund,A. J. Weir,D. R. Wood,D. Y. Wu,J. M. Yelton;S. R. Wagner;D. A. Hinshaw;R. A. Ong;A. Snyder;G. Abrams;C. E. Adolphsen;C. Akerlof;J. P. Alexander;M. Alvarez;D. Amidei;A. R. Baden;J. Ballam;B. C. Barish;T. Barklow;B. A. Barnett;J. Bartelt;D. Blockus;G. Bonvicini;A. Boyarski;J. Boyer;B. Brabson;A. Breakstone;J. M. Brom;F. Bulos;P. R. Burchat;D. L. Burke;F. Butler;F. Calvino;R. J. Cence;J. Chapman;D. Cords;D. P. Coupal;H. C. DeStaebler;D. E. Dorfan;J. M. Dorfan;P. S. Drell;G. J. Feldman;E. Fernandez;R. C. Field;W. T. Ford;C. Fordham;R. Frey;D. Fujino;K. K. Gan;G. Gidal;L. Gladney;T. Glanzman;M. S. Gold;G. Goldhaber;A. Green;P. Grosse-Wiesmann;J. Haggerty;G. Hanson;R. Harr;F. A. Harris;C. M. Hawkes;K. Hayes;D. Herrup;C. A. Heusch;T. Himel;R. J. Hollebeek;D. Hutchinson;J. Hylen;W. R. Innes;M. Jaffre;J. A. Jaros;I. Juricic;J. A. Kadyk;D. Karlen;J. Kent;S. R. Klein;W. Koska;W. Kozanecki;A. J. Lankford;R. R. Larsen;B. W. LeClaire;M. E. Levi;A. M. Litke;N. S. Lockyer;V. Lüth;J. A. J. Matthews;D. I. Meyer;B. D. Milliken;K. C. Moffeit;L. Müller;J. Nash;M. E. Nelson;D. Nitz;H. Ogren;K. F. O’Shaughnessy;S. I. Parker;C. Peck;M. L. Perl;A. Petersen;M. Petradza;F. C. Porter;P. Rankin;B. Richter;K. Riles;P. C. Rowson;D. R. Rust;H. F. W. Sadrozinski;T. Schaad;T. L. Schalk;H. Schellman;W. B. Schmidke;A. S. Schwarz;A. Seiden;P.D. Sheldon;J. G. Smith;E. Soderstrom;D. P. Stoker;R. Stroynowski;R. Thun;G. H. Trilling;R. Tschirhart;R. Van Kooten;H. Veltman;P. Voruganti;P. Weber;A. J. Weinstein;S. Weisz;S. L. White;E. Wicklund;A. J. Weir;D. R. Wood;D. Y. Wu;J. M. Yelton;
physical review letters 1990 Vol. 64 pp. 1095-1098
219
yelton1990physicalmeasurement

Abstract

We report a measurement of the lifetime of the B0 meson based upon 29-GeV e+e− annihilation data taken with the Mark II detector at the SLAC storage ring PEP. The B0 mesons are tagged by their decays into D*−e+ν and D*−μ+ν, where the D*− is tagged by its decay into π−D¯ 0. We reconstruct the decay vertices of 15 B0-meson candidates and measure the B0 lifetime to be 1.20−0.360.14+0.52+0.16 psec.

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