SCALAR TOP PRODUCTION VIA BOSON-GLUON FUSION AT HERA

10 May 1992

journal article
Published by World Scientific Pub Co Pte Ltd in Modern Physics Letters A

Vol. 7 (14) , 1209-1218
https://doi.org/10.1142/s0217732392003682

Abstract

We investigate the production of the light scalar top quark via boson-gluon fusion at ep collider HERA, based on the minimal supersymmetric standard model. The cross-section is obtained by both an exact tree level calculation and the Weizsäcker-Williams approximation. It is shown that the total cross-section is larger than 0.1pb if and does not depend on the mixing angle θ_t of scalar top quarks. This enables us to search a possible region of parameters for existence of light scalar top at HERA in a wider parameter space than LEP.

Keywords

MATHEMATICAL MODEL
ELEMENTARY PARTICLES
MINIMAL SUPERSYMMETRIC STANDARD MODEL
CROSS SECTION
PARAMETER SPACE
TOP QUARK
STANDARD MODEL

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