The lifetime of the B-c(-) meson is measured using 272 exclusive B-c(-) -> J/psi (-> mu(+) mu(-))pi(-) decays reconstructed in data from proton-antiproton collisions corresponding to an integrated luminosity of 6.7 fb(-1) recorded by the CDF II detector at the Fermilab Tevatron. The lifetime of the B-c(-) meson is measured to be tau(B-c(-)) = 0.452 +/- 0.048(stat) +/- 0.027(syst) ps. This is the first measurement of the B-c(-) meson lifetime in a fully reconstructed hadronic channel, and it agrees with previous results and has comparable precision.

Measurement of the B_{c}^{-} meson lifetime in the decay B_{c}^{-}→J/ψπ^{-}

BRIGLIADORI, LUCA;CASTRO, ANDREA;DENINNO, MARIA MADDALENA;MAZZANTI, PAOLO;MOGGI, NICCOLO';MUSSINI, MANUEL;RIMONDI, FRANCO;ZUCCHELLI, STEFANO
2013

Abstract

The lifetime of the B-c(-) meson is measured using 272 exclusive B-c(-) -> J/psi (-> mu(+) mu(-))pi(-) decays reconstructed in data from proton-antiproton collisions corresponding to an integrated luminosity of 6.7 fb(-1) recorded by the CDF II detector at the Fermilab Tevatron. The lifetime of the B-c(-) meson is measured to be tau(B-c(-)) = 0.452 +/- 0.048(stat) +/- 0.027(syst) ps. This is the first measurement of the B-c(-) meson lifetime in a fully reconstructed hadronic channel, and it agrees with previous results and has comparable precision.
T. Aaltonen;B. Álvarez González;S. Amerio;D. Amidei;A. Anastassov;A. Annovi;J. Antos;G. Apollinari;J. A. Appel;T. Arisawa;A. Artikov;J. Asaadi;W. Ashmanskas;B. Auerbach;A. Aurisano;F. Azfar;W. Badgett;T. Bae;A. Barbaro-Galtieri;V. E. Barnes;B. A. Barnett;P. Barria;P. Bartos;M. Bauce;F. Bedeschi;S. Behari;G. Bellettini;J. Bellinger;D. Benjamin;A. Beretvas;A. Bhatti;D. Bisello;I. Bizjak;K. R. Bland;B. Blumenfeld;A. Bocci;A. Bodek;D. Bortoletto;J. Boudreau;A. Boveia;L. Brigliadori;C. Bromberg;E. Brucken;J. Budagov;H. S. Budd;K. Burkett;G. Busetto;P. Bussey;A. Buzatu;A. Calamba;C. Calancha;S. Camarda;M. Campanelli;M. Campbell;F. Canelli;B. Carls;D. Carlsmith;R. Carosi;S. Carrillo;S. Carron;B. Casal;M. Casarsa;A. Castro;P. Catastini;D. Cauz;V. Cavaliere;M. Cavalli-Sforza;A. Cerri;L. Cerrito;Y. C. Chen;M. Chertok;G. Chiarelli;G. Chlachidze;F. Chlebana;K. Cho;D. Chokheli;W. H. Chung;Y. S. Chung;M. A. Ciocci;A. Clark;C. Clarke;G. Compostella;M. E. Convery;J. Conway;M. Corbo;M. Cordelli;C. A. 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Heinrich;M. Herndon;S. Hewamanage;A. Hocker;W. Hopkins;D. Horn;S. Hou;R. E. Hughes;M. Hurwitz;U. Husemann;N. Hussain;M. Hussein;J. Huston;G. Introzzi;M. Iori;A. Ivanov;E. James;D. Jang;B. Jayatilaka;E. J. Jeon;S. Jindariani;M. Jones;K. K. Joo;S. Y. Jun;T. R. Junk;T. Kamon;P. E. Karchin;A. Kasmi;Y. Kato;W. Ketchum;J. Keung;V. Khotilovich;B. Kilminster;D. H. Kim;H. S. Kim;J. E. Kim;M. J. Kim;S. B. Kim;S. H. Kim;Y. K. Kim;Y. J. Kim;N. Kimura;M. Kirby;S. Klimenko;K. Knoepfel;K. Kondo;D. J. Kong;J. Konigsberg;A. V. Kotwal;M. Kreps;J. Kroll;D. Krop;M. Kruse;V. Krutelyov;T. Kuhr;M. Kurata;S. Kwang;A. T. Laasanen;S. Lami;S. Lammel;M. Lancaster;R. L. Lander;K. Lannon;A. Lath;G. Latino;T. LeCompte;E. Lee;H. S. Lee;J. S. Lee;S. W. Lee;S. Leo;S. Leone;J. D. Lewis;A. Limosani;C.-J. Lin;M. Lindgren;E. Lipeles;A. Lister;D. O. Litvintsev;C. Liu;H. Liu;Q. Liu;T. Liu;S. Lockwitz;A. Loginov;D. Lucchesi;J. Lueck;P. Lujan;P. Lukens;G. Lungu;J. Lys;R. Lysak;R. Madrak;K. Maeshima;P. Maestro;S. Malik;G. 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Rodriguez;E. Rogers;S. Rolli;R. Roser;F. Ruffini;A. Ruiz;J. Russ;V. Rusu;A. Safonov;W. K. Sakumoto;Y. Sakurai;L. Santi;K. Sato;V. Saveliev;A. Savoy-Navarro;P. Schlabach;A. Schmidt;E. E. Schmidt;T. Schwarz;L. Scodellaro;A. Scribano;F. Scuri;S. Seidel;Y. Seiya;A. Semenov;F. Sforza;S. Z. Shalhout;T. Shears;P. F. Shepard;M. Shimojima;M. Shochet;I. Shreyber-Tecker;A. Simonenko;P. Sinervo;K. Sliwa;J. R. Smith;F. D. Snider;A. Soha;V. Sorin;H. Song;P. Squillacioti;M. Stancari;R. St. Denis;B. Stelzer;O. Stelzer-Chilton;D. Stentz;J. Strologas;G. L. Strycker;Y. Sudo;A. Sukhanov;I. Suslov;K. Takemasa;Y. Takeuchi;J. Tang;M. Tecchio;P. K. Teng;J. Thom;J. Thome;G. A. Thompson;E. Thomson;D. Toback;S. Tokar;K. Tollefson;T. Tomura;D. Tonelli;S. Torre;D. Torretta;P. Totaro;M. Trovato;F. Ukegawa;S. Uozumi;A. Varganov;F. Vázquez;G. Velev;C. Vellidis;M. Vidal;I. Vila;R. Vilar;J. Vizán;M. Vogel;G. Volpi;P. Wagner;R. L. Wagner;T. Wakisaka;R. Wallny;S. M. Wang;A. Warburton;D. Waters;W. C. Wester;D. 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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11585/232070
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