/ Phenomenology-HEP

Scalar top quarks production in polarized photon-photon collisions at ILC

Bartl, A. (Vienna U.) ; Majerotto, W. (Vienna, OAW) ; Monig, K. (DESY, Zeuthen) ; Skachkova, A.N. (Vienna, OAW) ; Skachkov, N.B. (Dubna, JINR)

Published in: Phys.Part.Nucl.Lett.
Year: 2012
Vol.: 9
Page No: 29-46
Pages: 18

Abstract: We study pair production of scalar top quarks (stop, ) in polarized photon-photon collisions with the subsequent decay of the top squarks into b quarks and charginos . We simulate this process by using PYTHIA6.4 for an electron beam energy . The energy spectrum of back-scattered photons is generated by CIRCE2 program. A set of criteria for physical variables is proposed which leads to a good separation of stop signal events from top quark pair production, being the main background. These criteria allow us to reconstruct the mass of the top squark, provided that the neutralino mass is known.

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DOI: 10.1134/S1547477112010037
 Record created 2012-05-22, last modified 2014-01-30

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