/ Phenomenology-HEP arXiv:0906.3805


On pair production of scalar top quarks in e+e- collisions at ILC and a possibility of their mass reconstruction


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

Published in: Phys.Part.Nucl.Lett.
Year: 2009
Vol.: 6
Page No: 181-189
Pages: 12

Abstract: We study pair production of scalar top quarks in e+e- collisions with the subsequent decay of the top squarks into b-quarks and charginos. We simulate this process by using PYTHIA6.4 for the beam energy 2Ebeam = 350, 400, 500, 800, 1000 GeV. A set of criteria for physical variables is proposed, which provides 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 with an integrared luminosity of 1000 1/fb provided that the neutralino mass is known.

Web-Page: http://inspirebeta.net/record/823716/files/Edec_mu_bezcut.png; http://inspirebeta.net/record/823716/files/Esig_mu_bezcut.png; http://inspirebeta.net/record/823716/files/Minv_ST_2cuts.png; http://inspirebeta.net/record/823716/files/Minv_T_bezcut.png; http://inspirebeta.net/record/823716/files/Minv_alljets_ST_bezcut.png; http://inspirebeta.net/record/823716/files/Minv_alljets_T_bezcut.png; http://inspirebeta.net/record/823716/files/Minv_b2q_ST_2cuts.png; http://inspirebeta.net/record/823716/files/Minv_b2q_T_bezcut.png; http://inspirebeta.net/record/823716/files/Minv_b2qchi_2cuts.png; http://inspirebeta.net/record/823716/files/Minv_bjet2jetschi_2cuts.png; http://inspirebeta.net/record/823716/files/Mmiss_ST_bezcut.png; http://inspirebeta.net/record/823716/files/Mmiss_T_bezcut.png; http://inspirebeta.net/record/823716/files/STOP_pict_ee.png; http://inspirebeta.net/record/823716/files/TOP_pict_ee.png; http://inspirebeta.net/record/823716/files/e1_e2.png; http://inspirebeta.net/record/823716/files/y1_y2.png

Total numbers of views: 561
Numbers of unique views: 290
e-proceeding
 Record created 2010-10-29, last modified 2014-01-30


External links:
Rate this document:

Rate this document:
1
2
3
 
(Not yet reviewed)