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Title: Measurement of [ital b] quark fragmentation fractions in the production of strange and light [ital B] mesons in p[bar p] collisions at [radical] (s) =1. 8 TeV

Abstract

A new technique to measure the ratio of [ital b] quark fragmentation fractions in p[bar p] collisions is described. Using a 70-pb[sup [minus]1] sample of low-mass dimuon trigger data recorded with the Collider Detector at Fermilab, we identify [ital B] mesons by observing the double semileptonic decays b[r arrow]c[mu]X with c[r arrow]s[mu]X. By counting the numbers of K[sup [asterisk]](892)[sup 0], K[sup [asterisk]](892)[sup +], and [phi](1020) mesons produced in association with these muon pairs, we measure the ratio of strange to nonstrange [ital B] meson production to be f[sub s]/(f[sub u]+f[sub d])=[21.0[plus minus]3.6(stat)[sub [minus]3.0][sup +3.8](syst)][percent]. This measurement is the most precise available from hadron collisions to date. Limits on the branching fractions of semileptonic charm meson decays with K[sub 1](1270), K[sub 1][sup [asterisk]](1410), and K[sub 2][sup [asterisk]](1430) mesons in the final state are also obtained. [copyright] [ital 1999] [ital The American Physical Society]

Authors:
; ; ; ; ;  [1]; ; ; ; ;  [2]; ; ; ; ; ; ;  [3]; ; more »;  [4]; ; ; ; ; ;  [5]; ; ; ; ; ; ;  [6]; ; ; ; ; ; ; « less
  1. Argonne National Laboratory, Argonne, Illinois 60439 (United States)
  2. Istituto Nazionale di Fisica Nucleare, University of Bologna, I-40127 Bologna (Italy)
  3. Brandeis University, Waltham, Massachusetts 02254 (United States)
  4. University of California at Los Angeles, Los Angeles, California 90024 (United States)
  5. University of Chicago, Chicago, Illinois 60637 (United States)
  6. Duke University, Durham, North Carolina 27708 (United States)
Publication Date:
OSTI Identifier:
6033295
Resource Type:
Journal Article
Journal Name:
Physical Review, D
Additional Journal Information:
Journal Volume: 60:9; Journal ID: ISSN 0556-2821
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; B MESONS; B QUARKS; BRANCHING RATIO; FERMILAB COLLIDER DETECTOR; KAONS; MUONS; PHI-1020 MESONS; PROTON-ANTIPROTON INTERACTIONS; SEMILEPTONIC DECAY; STRANGE MESONS; BARYON-BARYON INTERACTIONS; BEAUTY MESONS; BEAUTY PARTICLES; BOSONS; DECAY; ELEMENTARY PARTICLES; FERMIONS; HADRON-HADRON INTERACTIONS; HADRONS; INTERACTIONS; LEPTONS; MESONS; NUCLEON-ANTINUCLEON INTERACTIONS; PARTICLE DECAY; PARTICLE INTERACTIONS; PSEUDOSCALAR MESONS; QUARKONIUM; QUARKS; STRANGE PARTICLES; STRANGEONIUM; VECTOR MESONS; WEAK PARTICLE DECAY; 662340* - Hadron Interactions- (1992-); 662440 - Properties of Other Particles Including Hypothetical Particles- (1992-)

Citation Formats

Blair, R E, Byrum, K L, Kovacs, E, Kuhlmann, S E, LeCompte, T, Nodulman, L, Breccia, L, Brunetti, R, Deninno, M, Fiori, I, Mazzanti, P, Behrends, S, Bensinger, J, Blocker, C, Kirk, M, Kirsch, L, Lamoureux, J I, Niu, H, Bonushkin, Y, Hauser, J, Lindgren, M, Ashmanskas, W, Berryhill, J, Contreras, M, Culbertson, R, Grosso-Pilcher, C, Nakaya, T, Benjamin, D, Cronin-Hennessy, D, Dittmann, J R, Goshaw, A T, Khazins, D, Kowald, W, Oh, S H, Albrow, M G, Atac, M, Beretvas, A, Berge, J P, Biery, K, Binkley, M, and Bu,. Measurement of [ital b] quark fragmentation fractions in the production of strange and light [ital B] mesons in p[bar p] collisions at [radical] (s) =1. 8 TeV. United States: N. p., 1999. Web.
Blair, R E, Byrum, K L, Kovacs, E, Kuhlmann, S E, LeCompte, T, Nodulman, L, Breccia, L, Brunetti, R, Deninno, M, Fiori, I, Mazzanti, P, Behrends, S, Bensinger, J, Blocker, C, Kirk, M, Kirsch, L, Lamoureux, J I, Niu, H, Bonushkin, Y, Hauser, J, Lindgren, M, Ashmanskas, W, Berryhill, J, Contreras, M, Culbertson, R, Grosso-Pilcher, C, Nakaya, T, Benjamin, D, Cronin-Hennessy, D, Dittmann, J R, Goshaw, A T, Khazins, D, Kowald, W, Oh, S H, Albrow, M G, Atac, M, Beretvas, A, Berge, J P, Biery, K, Binkley, M, & Bu,. Measurement of [ital b] quark fragmentation fractions in the production of strange and light [ital B] mesons in p[bar p] collisions at [radical] (s) =1. 8 TeV. United States.
Blair, R E, Byrum, K L, Kovacs, E, Kuhlmann, S E, LeCompte, T, Nodulman, L, Breccia, L, Brunetti, R, Deninno, M, Fiori, I, Mazzanti, P, Behrends, S, Bensinger, J, Blocker, C, Kirk, M, Kirsch, L, Lamoureux, J I, Niu, H, Bonushkin, Y, Hauser, J, Lindgren, M, Ashmanskas, W, Berryhill, J, Contreras, M, Culbertson, R, Grosso-Pilcher, C, Nakaya, T, Benjamin, D, Cronin-Hennessy, D, Dittmann, J R, Goshaw, A T, Khazins, D, Kowald, W, Oh, S H, Albrow, M G, Atac, M, Beretvas, A, Berge, J P, Biery, K, Binkley, M, and Bu,. 1999. "Measurement of [ital b] quark fragmentation fractions in the production of strange and light [ital B] mesons in p[bar p] collisions at [radical] (s) =1. 8 TeV". United States.
@article{osti_6033295,
title = {Measurement of [ital b] quark fragmentation fractions in the production of strange and light [ital B] mesons in p[bar p] collisions at [radical] (s) =1. 8 TeV},
author = {Blair, R E and Byrum, K L and Kovacs, E and Kuhlmann, S E and LeCompte, T and Nodulman, L and Breccia, L and Brunetti, R and Deninno, M and Fiori, I and Mazzanti, P and Behrends, S and Bensinger, J and Blocker, C and Kirk, M and Kirsch, L and Lamoureux, J I and Niu, H and Bonushkin, Y and Hauser, J and Lindgren, M and Ashmanskas, W and Berryhill, J and Contreras, M and Culbertson, R and Grosso-Pilcher, C and Nakaya, T and Benjamin, D and Cronin-Hennessy, D and Dittmann, J R and Goshaw, A T and Khazins, D and Kowald, W and Oh, S H and Albrow, M G and Atac, M and Beretvas, A and Berge, J P and Biery, K and Binkley, M and Bu,},
abstractNote = {A new technique to measure the ratio of [ital b] quark fragmentation fractions in p[bar p] collisions is described. Using a 70-pb[sup [minus]1] sample of low-mass dimuon trigger data recorded with the Collider Detector at Fermilab, we identify [ital B] mesons by observing the double semileptonic decays b[r arrow]c[mu]X with c[r arrow]s[mu]X. By counting the numbers of K[sup [asterisk]](892)[sup 0], K[sup [asterisk]](892)[sup +], and [phi](1020) mesons produced in association with these muon pairs, we measure the ratio of strange to nonstrange [ital B] meson production to be f[sub s]/(f[sub u]+f[sub d])=[21.0[plus minus]3.6(stat)[sub [minus]3.0][sup +3.8](syst)][percent]. This measurement is the most precise available from hadron collisions to date. Limits on the branching fractions of semileptonic charm meson decays with K[sub 1](1270), K[sub 1][sup [asterisk]](1410), and K[sub 2][sup [asterisk]](1430) mesons in the final state are also obtained. [copyright] [ital 1999] [ital The American Physical Society]},
doi = {},
url = {https://www.osti.gov/biblio/6033295}, journal = {Physical Review, D},
issn = {0556-2821},
number = ,
volume = 60:9,
place = {United States},
year = {Mon Nov 01 00:00:00 EST 1999},
month = {Mon Nov 01 00:00:00 EST 1999}
}