Search for the lepton-number-violating decay Xi(-)-->pmu(-)mu(-).
A sensitive search for the lepton-number-violating decay Xi(-)-->pmu(-)mu(-) has been performed using a sample of approximately 10(9) Xi(-) hyperons produced in 800 GeV/c p-Cu collisions. We obtain B(Xi(-)-->pmu(-)mu(-))<4.0x10(-8) at 90% confidence, improving on the best previous limit by 4 orders of magnitude.
Rajaram
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D
Illinois Institute of Technology, Chicago, IL 60616, USA.
Burnstein
R A
RA
Chakravorty
A
A
Chan
A
A
Chen
Y C
YC
Choong
W S
WS
Clark
K
K
Dukes
E C
EC
Durandet
C
C
Felix
J
J
Gidal
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G
Gu
P
P
Gustafson
H R
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Ho
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Holmstrom
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T
Huang
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M
James
C
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Jenkins
C M
CM
Kaplan
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DM
Lederman
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LM
Leros
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N
Longo
M J
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Lopez
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F
Lu
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Luebke
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W
Luk
K B
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Nelson
K S
KS
Park
H K
HK
Perroud
J-P
JP
Rubin
H A
HA
Teng
P K
PK
Volk
J
J
White
C G
CG
White
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SL
Zyla
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P