two gamma event


Wonsang Cho

Mass measurement in boosted decay systems at hadron colliders

Sep. 28, 2010

We report a new possibility of using the $\mct2$ (Constransverse mass) variable for mass measurement of single step decay chains involving missing particles with moderate transverse momentum. We show that its experimental feasibility is enhanced compared to the corresponding $\mt2$-kink method. We apply this method to reconstruct chargino decay into sneutrino which was not possible previously.

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