lambda production of $e^+e^-$ annihilation at 29-GeV

Aihara, H.; Alston-Garnjost, M.; Bakken, J.A.; Barbaro-Galtieri, A.; Barnes, A.V.; Barnett, B.A.; Blumenfeld, Barry J.; Bross, A.D.; Buchanan, C.D.; Chamberlain, O.

doi:10.1103/PhysRevLett.54.274

lambda production of $e^+e^-$ annihilation at 29-GeV

TPC/Two Gamma

Collaboration

•

H. Aihara

Oct, 1984

12 pages

Published in:

Phys.Rev.Lett. 54 (1985) 274

DOI:

10.1103/PhysRevLett.54.274

Report number:

UT-HE-84-14,
LBL-18382

Experiments:

SLAC-PEP-004

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Abstract: (APS)

The inclusive production cross section of Λ, Λ¯ in e+e− annihilation at a c.m. energy of 29 GeV has been measured with the time-projection-chamber detector at PEP. The average Λ, Λ¯ multiplicity has been measured to be 0.197 ± 0.012(stat.) ±0.017(syst.). Λ−Λ¯ pairs have been observed in jets for the first time, and the average number of Λ−Λ¯ pairs per event has been measured to be 0.042 ± 0.017 ± 0.014.

ELECTRON POSITRON: COLLIDING BEAMS
COLLIDING BEAMS: ELECTRON POSITRON
ELECTRON POSITRON: ANNIHILATION
ANNIHILATION: ELECTRON POSITRON
LAMBDA: ELECTROPRODUCTION
ELECTROPRODUCTION: LAMBDA
ENERGY SPECTRUM: (LAMBDA)
(LAMBDA): ENERGY SPECTRUM
LAMBDA: PAIR PRODUCTION
PAIR PRODUCTION: LAMBDA

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Figures(0)

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lambda production of e+e−e^+e^-e+e− annihilation at 29-GeV

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lambda production of $e^+e^-$ annihilation at 29-GeV