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Title Measurement of B hadron lifetimes using J/{psi} final states at CDF
Creator/Author Blair, R.E. ; Byrum, K.L. ; Kovacs, E. ; Kuhlmann, S.E. ; LeCompte, T. ; Nodulman, L. [Argonne National Laboratory, Argonne, Illinois60439 (United States)] ; Breccia, L. ; Brunetti, R. ; Deninno, M. ; Fiori, I. ; Mazzanti, P. [Istituto Nazionale di Fisica Nucleare, University of Bologna, I-40127Bologna (Italy)] ; Behrends, S. ; Bensinger, J. ; Blocker, C. ; Kirsch, L. ; Lamoureux, J.I. [Brandeis University, Waltham, Massachusetts02254 (United States)] ; Bonushkin, Y. ; Hauser, J. ; Lindgren, M. [University of California at Los Angeles, Los Angeles, California90024 (United States)] ; Amadon, A. ; Berryhill, J. ; Contreras, M. ; Culbertson, R. ; Frisch, H. ; Grosso-Pilcher, C. ; Hohlmann, M. [University of Chicago, Chicago, Illinois 60637 (United States)] ; Cronin-Hennessy, D. ; Dittmann, J.R. ; Goshaw, A.T. ; Khazins, D. ; Kowald, W. ; Oh, S.H. [Duke University, Durham, North Carolina27708 (United States)] ; Albrow, M.G. ; Atac, M. ; Beretvas, A. ; Berge, J.P. ; Biery, K. ; Binkley, M. ; Buckley-Geer, E. ; Byon-Wagner, A. ; Cihangir, S. ; Cooper, J. ; DeJongh, F. ; Demina, R. ; Derwent, P.F. ; Elias, J.E. ; Erdmann, W. ; Flaugher, B. ; Foster, G.W. ; Freeman, J. ; Geer, S. ; Hahn, S.R. ; Harris, R.M. ; Incandela, J. ; Jensen, H. ; Joshi, U. ; Kennedy, R.D. ; Kephart, R. ; Lammel, S. ; Lewis, J.D. ; Limon, P. ; Lukens, P. ; Maeshima, K. ; Marriner, J.P. ; Miao, T. ; Mukherjee, A. ; Nelson, C. ; Newman-Holmes, C. ; Patrick, J. [Fermi National Accelerator Laboratory, Batavia, Illinois60510 (United States)] ; Klimenko, S. ; Konigsberg, J. ; Korytov, A. [University of Florida, Gainesville, Florida32611 (United States)] ; Barone, M. ; Bertolucci, S. ; Cordelli, M. ; DellAgnello, S. ; Giromini, P. ; Happacher, F. ; Miscetti, S. ; Parri, A. [Laboratori Nazionali di Frascati, Istituto Nazionale di Fisica Nucleare, I-00044Frascati (Italy)] ; Clark, A.G. ; Couyoumtzelis, C. ; Kambara, H. [University of Geneva, CH-1211Geneva 4 (Switzerland)] ; Baumann, T. ; Franklin, M. ; Gordon, A. ; Hamilton, R. ; Huth, J. ; Kestenbaum, D. ; and others
Publication Date1998 May 01
OSTI IdentifierOSTI ID: 627850
Other Number(s)Journal ID: PRVDAQ; ISSN 0556-2821; TRN: TRN: 9808M0408
Resource TypeJournal Article
Resource RelationJournal Name: Physical Review, D; Journal Volume: 57; Journal Issue: 9; Other Information: PBD: May 1998
Subject66 PHYSICS; STRANGE PARTICLES; FERMILAB COLLIDER DETECTOR; B MESONS; LIFETIME; J PSI-3097 MESONS; WEAK HADRONIC DECAY; B PLUS MESONS; B NEUTRAL MESONS
Description/AbstractThe average bottom-hadron and individual B{sup +}, B{sup 0}, and B{sub s}{sup 0} meson lifetimes have been determined using decays with a J/{psi}{r_arrow}{mu}{sup +}{mu}{sup {minus}} in the final state. The data sample consists of 110 pb{sup {minus}1} of {bar p}p collisions at {radical} (s) =1.8 TeV collected by the CDF detector at the Fermilab Tevatron collider during 1992{endash}1995. For the average lifetime of B hadrons decaying into J/{psi}+X, we obtain {l_angle}{tau}{sub b}{r_angle}=1.533{plus_minus}0.015(stat){sub {minus}0.031}{sup +0.035}(syst)ps. For the B{sup +} and B{sup 0} meson lifetimes, we determine {tau}(B{sup +})=1.68{plus_minus}0.07(stat){plus_minus}0.02(syst)ps, {tau}(B{sup 0})=1.58{plus_minus}0.09(stat){plus_minus}0.02(syst)ps, and {tau}(B{sup +})/{tau}(B{sup 0})=1.06{plus_minus}0.07(stat){plus_minus}0.02(syst). For the B{sub s}{sup 0} meson lifetime, we find {tau}(B{sub s}{sup 0})=1.34{sub {minus}0.19}{sup +0.23}(stat){plus_minus}0.05(syst) ps. {copyright} {ital 1998} {ital The American Physical Society}
Country of PublicationUnited States
LanguageEnglish
FormatMedium: X; Size: pp. 5382-5401
System Entry Date2008 Feb 05

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