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Measurement of the BS0 meson lifetime using semileptonic decays

Publication ,  Journal Article
Abe, F; Akimoto, H; Akopian, A; Albrow, MG; Amadon, A; Amendolia, SR; Amidei, D; Antos, J; Aota, S; Apollinari, G; Arisawa, T; Asakawa, T ...
Published in: Physical Review D - Particles, Fields, Gravitation and Cosmology
1999

The lifetime of the BS0 meson is measured using the semileptonic decay BS0→DS-l+νX. The data sample consists of about 110 pb-1 of pp̄ collisions at √s=1.8 TeV collected by the CDF detector at Fermilab. Four different DS- decay modes are reconstructed resulting in approximately 600 DS-l+ signal events. The BS0 meson lifetime is determined to be τ(BS0)=(1.36±0.09-0.05+0.06) ps, where the first and second uncertainties are statistical and systematic, respectively. The BS0 meson decay length distribution is examined for a lifetime difference ΔΓ/Γ between the two mass eigenstates of the BS0 meson. An upper limit of ΔΓ/Γ<0.83 is set at the 95% confidence level.

Duke Scholars

Published In

Physical Review D - Particles, Fields, Gravitation and Cosmology

Publication Date

1999

Volume

59

Issue

3

Start / End Page

1 / 14

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5101 Astronomical sciences
  • 4902 Mathematical physics
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences
 

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Abe, F., Akimoto, H., Akopian, A., Albrow, M. G., Amadon, A., Amendolia, S. R., … Zucchelli, S. (1999). Measurement of the BS0 meson lifetime using semileptonic decays. Physical Review D - Particles, Fields, Gravitation and Cosmology, 59(3), 1–14.
Abe, F., H. Akimoto, A. Akopian, M. G. Albrow, A. Amadon, S. R. Amendolia, D. Amidei, et al. “Measurement of the BS0 meson lifetime using semileptonic decays.” Physical Review D - Particles, Fields, Gravitation and Cosmology 59, no. 3 (1999): 1–14.
Abe F, Akimoto H, Akopian A, Albrow MG, Amadon A, Amendolia SR, et al. Measurement of the BS0 meson lifetime using semileptonic decays. Physical Review D - Particles, Fields, Gravitation and Cosmology. 1999;59(3):1–14.
Abe, F., et al. “Measurement of the BS0 meson lifetime using semileptonic decays.” Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 59, no. 3, 1999, pp. 1–14.
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Published In

Physical Review D - Particles, Fields, Gravitation and Cosmology

Publication Date

1999

Volume

59

Issue

3

Start / End Page

1 / 14

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5101 Astronomical sciences
  • 4902 Mathematical physics
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences