Controlling ISR in sparticle mass reconstruction

Details Controlling ISR in sparticle mass reconstruction Controlling ISR in sparticle mass reconstruction

2010-08-10

arxiv.org/abs/1008.1813v2

Phys.Rev.D82:115026,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

32 pages, 22 figures

Scientific paper

10.1103/PhysRevD.82.115026

Use of inclusive MT2 distribution for sparticle mass determination is discussed. We define new parameters MT2(min) and MT2mod(min), which are a kind of minimum of sub-systerm MT2 values. Their endpoints are less affected by initial state radiations. We demonstrate that both masses of squark and gluino can be extracted from the endpoints of the distributions in the wide region of parameter space expected in CMSSM. We also present a comparison with MTGen distributions.

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