Reconstruction of $\tildeτ_{1}$ mass at the LHC

Details Reconstruction of $\tildeτ_{1}$ mass at the LHC Reconstruction of $\tildeτ_{1}$ mass at the LHC

2009-10-13

arxiv.org/abs/0910.2448v2

Phys.Atom.Nucl.74:90-97,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, 4 figures, corrected Table 6 and typos, added references for section 3

Scientific paper

10.1134/S106377881101011X

The cascade mass reconstruction approach was used for mass reconstruction of the lightest stau produced at the LHC in the cascade decay $\tilde{g} \to \tilde{b} b \to \tilde{\chi}_{2}^{0} b b \to \tilde{\tau}_{1} \tau b b \to \tilde{\chi}_{1}^{0} \tau \tau b b $. The stau mass was reconstructed assuming that masses of gluino, bottom squark and two lightest neutralinos were reconstructed in advance. SUSY data sample sets for the SU3 model point containing 160k events each were generated which corresponded to an integrated luminosity of about $8 \rm fb^{-1}$ at 14 TeV. These events were passed through the AcerDET detector simulator, which parametrized the response of a generic LHC detector. The mass of the $\tilde{\tau}_{1}$ was reconstructed with a precision of about 20% on average.

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