Measurement of the B0 - B-0 oscillation frequency using π-B meson charge-flavor correlations in pp collisions at √ s = 1.8 TeV

CDF Collaboration

doi:10.1103/PhysRevLett.80.2057

Measurement of the B⁰ - B^-0 oscillation frequency using π-B meson charge-flavor correlations in pp collisions at √ s = 1.8 TeV

CDF Collaboration

High Energy Accelerator Research Organization, Tsukuba
Waseda University
Rockefeller University
Fermi National Accelerator Laboratory
The University of Chicago
Scuola Normale Superiore di Pisa
University of Michigan, Ann Arbor
Academia Sinica Taiwan HQ
University of Tsukuba
Lawrence Berkeley National Laboratory
University of Padua
University of New Mexico
University of Rochester
Purdue University
Johns Hopkins University
National Institute for Nuclear Physics
Massachusetts Institute of Technology
Harvard University
Brandeis University
University of Wisconsin-Madison
Texas Tech University
University of Pennsylvania
Argonne National Laboratory

Research output: Contribution to journal › Article › peer-review

55 Scopus citations

Abstract

We present a measurement of the B⁰ ↔ B^-0 oscillation frequency using a flavor tagging method based on correlations of B meson flavor with the charge of other particles produced in pp collisions at √ s = 1.8 TeV. Such correlations are expected to arise from b quark hadronization and from B** decays. We partially reconstruct B mesons using the semileptonic decays B⁰ → l⁺D^(*)-X and B⁺ → l⁺D^-0X. From the oscillation frequency, we obtain the mass difference between the two B⁰ mass eigenstates, Δm_d = 0.471^+0.078 _-0.068(stat) ± 0.034(syst) ħps^-1, and measure the efficiency and purity of this flavor tagging method for both charged and neutral B mesons.

Original language	English
Pages (from-to)	2057-2062
Number of pages	6
Journal	Physical Review Letters
Volume	80
Issue number	10
DOIs	https://doi.org/10.1103/PhysRevLett.80.2057
State	Published - 1998
Externally published	Yes

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10.1103/PhysRevLett.80.2057

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@article{8ef45fe6d0da4ed49915093c0d837102,

title = "Measurement of the B0 - B-0 oscillation frequency using π-B meson charge-flavor correlations in pp collisions at √ s = 1.8 TeV",

abstract = "We present a measurement of the B0 ↔ B-0 oscillation frequency using a flavor tagging method based on correlations of B meson flavor with the charge of other particles produced in pp collisions at √ s = 1.8 TeV. Such correlations are expected to arise from b quark hadronization and from B** decays. We partially reconstruct B mesons using the semileptonic decays B0 → l+D(*)-X and B+ → l+D-0X. From the oscillation frequency, we obtain the mass difference between the two B0 mass eigenstates, Δmd = 0.471+0.078 -0.068(stat) ± 0.034(syst) ħps-1, and measure the efficiency and purity of this flavor tagging method for both charged and neutral B mesons.",

author = "\{CDF Collaboration\} and F. Abe and H. Akimoto and A. Akopian and Albrow, \{M. G.\} and A. Amadon and Amendolia, \{S. R.\} and D. Amidei and J. Antos and S. Aota and G. Apollinari and T. Arisawa and T. Asakawa and W. Ashmanskas and M. Atac and P. Azzi-Bacchetta and N. Bacchetta and S. Bagdasarov and Bailey, \{M. W.\} and \{de Barbaro\}, P. and A. Barbaro-Galtieri and Barnes, \{V. E.\} and Barnett, \{B. A.\} and M. Barone and G. Bauer and T. Baumann and F. Bedeschi and S. Behrends and S. Belforte and G. Bellettini and J. Bellinger and D. Benjamin and J. Bensinger and A. Beretvas and Berge, \{J. P.\} and J. Berryhill and S. Bertolucci and S. Bettelli and B. Bevensee and A. Bhatti and K. Biery and C. Bigongiari and M. Binkley and D. Bisello and Blair, \{R. E.\} and C. Blocker and S. Blusk and A. Bodek and W. Bokhari and G. Bolla and I. Yu",

year = "1998",

doi = "10.1103/PhysRevLett.80.2057",

language = "English",

volume = "80",

pages = "2057--2062",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "10",

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TY - JOUR

T1 - Measurement of the B0 - B-0 oscillation frequency using π-B meson charge-flavor correlations in pp collisions at √ s = 1.8 TeV

AU - CDF Collaboration

AU - Abe, F.

AU - Akimoto, H.

AU - Akopian, A.

AU - Albrow, M. G.

AU - Amadon, A.

AU - Amendolia, S. R.

AU - Amidei, D.

AU - Antos, J.

AU - Aota, S.

AU - Apollinari, G.

AU - Arisawa, T.

AU - Asakawa, T.

AU - Ashmanskas, W.

AU - Atac, M.

AU - Azzi-Bacchetta, P.

AU - Bacchetta, N.

AU - Bagdasarov, S.

AU - Bailey, M. W.

AU - de Barbaro, P.

AU - Barbaro-Galtieri, A.

AU - Barnes, V. E.

AU - Barnett, B. A.

AU - Barone, M.

AU - Bauer, G.

AU - Baumann, T.

AU - Bedeschi, F.

AU - Behrends, S.

AU - Belforte, S.

AU - Bellettini, G.

AU - Bellinger, J.

AU - Benjamin, D.

AU - Bensinger, J.

AU - Beretvas, A.

AU - Berge, J. P.

AU - Berryhill, J.

AU - Bertolucci, S.

AU - Bettelli, S.

AU - Bevensee, B.

AU - Bhatti, A.

AU - Biery, K.

AU - Bigongiari, C.

AU - Binkley, M.

AU - Bisello, D.

AU - Blair, R. E.

AU - Blocker, C.

AU - Blusk, S.

AU - Bodek, A.

AU - Bokhari, W.

AU - Bolla, G.

AU - Yu, I.

PY - 1998

Y1 - 1998

N2 - We present a measurement of the B0 ↔ B-0 oscillation frequency using a flavor tagging method based on correlations of B meson flavor with the charge of other particles produced in pp collisions at √ s = 1.8 TeV. Such correlations are expected to arise from b quark hadronization and from B** decays. We partially reconstruct B mesons using the semileptonic decays B0 → l+D(*)-X and B+ → l+D-0X. From the oscillation frequency, we obtain the mass difference between the two B0 mass eigenstates, Δmd = 0.471+0.078 -0.068(stat) ± 0.034(syst) ħps-1, and measure the efficiency and purity of this flavor tagging method for both charged and neutral B mesons.

AB - We present a measurement of the B0 ↔ B-0 oscillation frequency using a flavor tagging method based on correlations of B meson flavor with the charge of other particles produced in pp collisions at √ s = 1.8 TeV. Such correlations are expected to arise from b quark hadronization and from B** decays. We partially reconstruct B mesons using the semileptonic decays B0 → l+D(*)-X and B+ → l+D-0X. From the oscillation frequency, we obtain the mass difference between the two B0 mass eigenstates, Δmd = 0.471+0.078 -0.068(stat) ± 0.034(syst) ħps-1, and measure the efficiency and purity of this flavor tagging method for both charged and neutral B mesons.

UR - https://www.scopus.com/pages/publications/4243604112

U2 - 10.1103/PhysRevLett.80.2057

DO - 10.1103/PhysRevLett.80.2057

M3 - Article

AN - SCOPUS:4243604112

SN - 0031-9007

VL - 80

SP - 2057

EP - 2062

JO - Physical Review Letters

JF - Physical Review Letters

IS - 10

ER -

Measurement of the B⁰ - B^-0 oscillation frequency using π-B meson charge-flavor correlations in pp collisions at √ s = 1.8 TeV

Abstract

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