TY - JOUR
T1 - Search for Stop Production in R-Parity-Violating Supersymmetry at HERA
AU - ZEUS Collaboration
AU - Mattingly, Margarita C. K.
PY - 2007/2/17
Y1 - 2007/2/17
N2 - A search for stop production in R-parity-violating supersymmetry has been performed in e+p interactions with the ZEUS detector at HERA, using an integrated luminosity of 65 pb-1. At HERA, the R-parity-violating coupling λ' allows resonant squark production, e+d→̃ q. Since the lowest-mass squark state in most supersymmetry models is the light stop, ̃t, this search concentrated on production of ̃t, followed either by a direct R-parity-violating decay, or by the gauge decay to b̃x1+. No evidence for stop production was found and limits were set on λ'131 as a function of the stop mass in the framework of the minimal supersymmetric standard model. The results have also been interpreted in terms of constraints on the parameters of the minimal supergravity model.
AB - A search for stop production in R-parity-violating supersymmetry has been performed in e+p interactions with the ZEUS detector at HERA, using an integrated luminosity of 65 pb-1. At HERA, the R-parity-violating coupling λ' allows resonant squark production, e+d→̃ q. Since the lowest-mass squark state in most supersymmetry models is the light stop, ̃t, this search concentrated on production of ̃t, followed either by a direct R-parity-violating decay, or by the gauge decay to b̃x1+. No evidence for stop production was found and limits were set on λ'131 as a function of the stop mass in the framework of the minimal supersymmetric standard model. The results have also been interpreted in terms of constraints on the parameters of the minimal supergravity model.
UR - https://digitalcommons.andrews.edu/pubs/1812
U2 - 10.1140/epjc/s10052-007-0240-8
DO - 10.1140/epjc/s10052-007-0240-8
M3 - Article
VL - 50
SP - 269
EP - 281
JO - European Physical Journal C
JF - European Physical Journal C
IS - 2
ER -