Measurement of $B_d$ mixing using opposite-side flavor tagging

V.M. Abazov; B. Abbott; M. Abolins; B.S. Acharya; M. Adams; T. Adams; M. Agelou; S.H. Ahn; M. Ahsan; G.D. Alexeev; G. Alkhazov; A. Alton; G. Alverson; G.A. Alves; M. Anastasoaie; T. Andeen; S. Anderson; B. Andrieu; M.S. Anzelc; y. Arnoud; M. Arov; A. Askew; B. Asman; A.C.S. Assis Jesus; O. Atramentov; C. Autermann; C. Avila; C. Ay; F. Badaud; A. Baden; L. Bagby; B. Baldin; D.V. Bandurin; P. Banerjee; S. Banerjee; E. Barberis; P. Bargassa; P. Baringer; C. Barnes; J. Barreto; J.F. Bartlett; U. Bassler; D. Bauer; A. Bean; M. Begalli; M. Begel; C. Belanger-Champagne; L. Bellantoni; A. Bellavance; J.A. Benitez; S.B. Beri; G. Bernardi; R. Bernhard; L. Berntzon; I. Bertram; M. Besançon; R. Beuselinck; V.A. Bezzubov; P.C. Bhat; V. Bhatnagar; M. Binder; C. Biscarat; K.M. Black; I. Blackler; G. Blazey; F. Blekman; S. Blessing; D. Bloch; K. Bloom; U. Blumenschein; A. Boehnlein; O. Boeriu; T.A. Bolton; G. Borissov; K. Bos; T. Bose; A. Brandt; R. Brock; G. Brooijmans; A. Bross; D. Brown; N.J. Buchanan; D. Buchholz; M. Buehler; V. Buescher; S. Burdin; S. Burke; T.H. Burnett; Emmanuel Busato; C.P. Buszello; J.M. Butler; P. Calfayan; S. Calvet; J. Cammin; S. Caron; W. Carvalho; B.C.K. Casey; N.M. Cason; H. Castilla-Valdez; D. Chakraborty; D0 Collaboration; Michael Y. Wang

doi:10.1103/PhysRevD.74.112002

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Journal article

Measurement of $B_d$ mixing using opposite-side flavor tagging

V.M. Abazov, B. Abbott, M. Abolins, B.S. Acharya, M. Adams, T. Adams, M. Agelou, S.H. Ahn, M. Ahsan, G.D. Alexeev, …

Physical review. D, Particles, fields, gravitation, and cosmology, Vol.74(11), p.112002

2006

DOI: https://doi.org/10.1103/PhysRevD.74.112002

Abstract

High Energy Physics - Experiment

Physics

We report on a measurement of the $B^0_d$ mixing frequency and the calibration of an opposite-side flavor tagger in the D{\O}experiment. Various properties associated with the $b$ quark on the opposite side of the reconstructed $B$ meson were combined using a likelihood-ratio method into a single variable with enhanced tagging power. Its performance was tested with data, using a large sample of reconstructed semileptonic $B \to \mu \dzero X$ and $B \to \mu \dst X$ decays, corresponding to an integrated luminosity of approximately 1 fb$^{-1}$. The events were divided into groups depending on the value of the combined tagging variable, and an independent analysis was performed in each group. Combining the results of these analyses, the overall effective tagging power was found to be eD^2 = (2.48 \pm 0.21 (stat.) ^{+0.08}_{-0.06} (syst.))%. The measured $B^0_d$ mixing frequency dmd = 0.506 \pm 0.020 {\rm (stat) \pm 0.016 (syst) ps}^{-1} is in good agreement with the world average value.

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 5 Physics; 5.9 Particles & Fields; 5.9.19 Standard Model
Web Of Science research areas: Astronomy & Astrophysics; Physics, Particles & Fields
ESI research areas: Physics

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Details

Title: Measurement of $B_d$ mixing using opposite-side flavor tagging
Creators: V.M. Abazov - Joint Institute for Nuclear Research
B. Abbott - University of Oklahoma
M. Abolins - Michigan State University
B.S. Acharya - Tata Institute of Fundamental Research
M. Adams - University of Illinois at Chicago
T. Adams - Florida State University
M. Agelou
S.H. Ahn - Korea University
M. Ahsan - Kansas State University
G.D. Alexeev - Joint Institute for Nuclear Research
G. Alkhazov - Petersburg Nuclear Physics Institute
A. Alton - University of Michigan–Ann Arbor
G. Alverson - Northeastern University
G.A. Alves
M. Anastasoaie - Radboud University Nijmegen
T. Andeen - Northwestern University
S. Anderson - University of Arizona
B. Andrieu - Laboratoire de Physique Nucléaire et de Hautes Énergies
M.S. Anzelc - Northwestern University
y. Arnoud - Grenoble Alpes University
M. Arov - Northern Illinois University
A. Askew - Florida State University
B. Asman
A.C.S. Assis Jesus
O. Atramentov - Florida State University
C. Autermann - RWTH Aachen University
C. Avila - Universidad de Los Andes
C. Ay - Johannes Gutenberg University Mainz
F. Badaud - Institut Pascal
A. Baden - University of Maryland, College Park
L. Bagby - Northern Illinois University
B. Baldin - Fermilab
D.V. Bandurin - Kansas State University
P. Banerjee - Tata Institute of Fundamental Research
S. Banerjee - Tata Institute of Fundamental Research
E. Barberis - Northeastern University
P. Bargassa - Rice University
P. Baringer - University of Kansas
C. Barnes - Imperial College London
J. Barreto
J.F. Bartlett - Fermilab
U. Bassler - Laboratoire de Physique Nucléaire et de Hautes Énergies
D. Bauer - Imperial College London
A. Bean - University of Kansas
M. Begalli - Rio de Janeiro State University
M. Begel - University of Rochester
C. Belanger-Champagne
L. Bellantoni - Fermilab
A. Bellavance - University of Nebraska–Lincoln
J.A. Benitez - Michigan State University
S.B. Beri - Panjab University
G. Bernardi - Laboratoire de Physique Nucléaire et de Hautes Énergies
R. Bernhard - University of Zurich
L. Berntzon - Aix-Marseille University
I. Bertram - Lancaster University
M. Besançon - Département d'Astrophysique, de physique des Particules, de physique Nucléaire et de l'Instrumentation Associée
R. Beuselinck - Imperial College London
V.A. Bezzubov
P.C. Bhat - Fermilab
V. Bhatnagar - Panjab University
M. Binder - Ludwig-Maximilians-Universität München
C. Biscarat - Lancaster University
K.M. Black - Boston University
I. Blackler - Imperial College London
G. Blazey - Northern Illinois University
F. Blekman - Imperial College London
S. Blessing - Florida State University
D. Bloch - University of Upper Alsace
K. Bloom - University of Nebraska–Lincoln
U. Blumenschein - University of Freiburg
A. Boehnlein - Fermilab
O. Boeriu - University of Notre Dame
T.A. Bolton - Kansas State University
G. Borissov - Lancaster University
K. Bos - University of Amsterdam
T. Bose - Brown University
A. Brandt - The University of Texas at Arlington
R. Brock - Michigan State University
G. Brooijmans - Columbia University
A. Bross - Fermilab
D. Brown - The University of Texas at Arlington
N.J. Buchanan - Florida State University
D. Buchholz - Northwestern University
M. Buehler - University of Virginia
V. Buescher - RWTH Aachen University
S. Burdin - Fermilab
S. Burke - University of Arizona
T.H. Burnett - University of Washington
Emmanuel Busato - Laboratoire de Physique Nucléaire et de Hautes Énergies
C.P. Buszello - Imperial College London
J.M. Butler
P. Calfayan - Ludwig-Maximilians-Universität München
S. Calvet - Aix-Marseille University
J. Cammin - University of Rochester
S. Caron - University of Amsterdam
W. Carvalho - Rio de Janeiro State University
B.C.K. Casey - Brown University
N.M. Cason - University of Notre Dame
H. Castilla-Valdez - Center for Research and Advanced Studies of the National Polytechnic Institute
D. Chakraborty - Northern Illinois University
D0 Collaboration
Michael Y. Wang - UMMG Dept of Neurological Surgery
Publication Details: Physical review. D, Particles, fields, gravitation, and cosmology, Vol.74(11), p.112002
Publisher: American Physical Society
Academic Unit: UMMG Dept of Neurological Surgery; Miller School of Medicine
Language: English
Resource Type: Journal article
Record Identifier: 991031740314302976