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Observation of Λ0b→J/ψ Λ at the Fermilab proton-antiproton collider

Publication ,  Journal Article
Abe, F; Akimoto, H; Akopian, A; Albrow, MG; Amendolia, SR; Amidei, D; Antos, J; Anway-Wiese, C; Aota, S; Apollinari, G; Asakawa, T; Atac, M ...
Published in: Physical Review D - Particles, Fields, Gravitation and Cosmology
1997

The decay Λ0b→J/ψ Λ is observed in 110 pb-1 of pp̄ collisions taken at √s=1.8 TeV. These data are used to measure a Λ0b mass of 5621±4(stat)±3(syst) MeV/c2, and a mass difference between the Λ0b and the B0 of 340±5(stat)±1(syst) MeV/c2. The production cross-section times branching fraction for the decay Λ0b→J/ψ Λ relative to that for the decay B0→J/ψ K0S has been measured to be 0.27±0.12(stat)±0.05(syst).

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Published In

Physical Review D - Particles, Fields, Gravitation and Cosmology

ISSN

0556-2821

Publication Date

1997

Volume

55

Issue

3

Start / End Page

1142 / 1152

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., Amendolia, S. R., Amidei, D., … Zucchelli, S. (1997). Observation of Λ0b→J/ψ Λ at the Fermilab proton-antiproton collider. Physical Review D - Particles, Fields, Gravitation and Cosmology, 55(3), 1142–1152.
Abe, F., H. Akimoto, A. Akopian, M. G. Albrow, S. R. Amendolia, D. Amidei, J. Antos, et al. “Observation of Λ0b→J/ψ Λ at the Fermilab proton-antiproton collider.” Physical Review D - Particles, Fields, Gravitation and Cosmology 55, no. 3 (1997): 1142–52.
Abe F, Akimoto H, Akopian A, Albrow MG, Amendolia SR, Amidei D, et al. Observation of Λ0b→J/ψ Λ at the Fermilab proton-antiproton collider. Physical Review D - Particles, Fields, Gravitation and Cosmology. 1997;55(3):1142–52.
Abe, F., et al. “Observation of Λ0b→J/ψ Λ at the Fermilab proton-antiproton collider.” Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 55, no. 3, 1997, pp. 1142–52.
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Observation of Λ0b→J/ψ Λ at the Fermilab proton-antiproton collider. Physical Review D - Particles, Fields, Gravitation and Cosmology. 1997;55(3):1142–1152.

Published In

Physical Review D - Particles, Fields, Gravitation and Cosmology

ISSN

0556-2821

Publication Date

1997

Volume

55

Issue

3

Start / End Page

1142 / 1152

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