EPJ Web of Conferences
Volume 71, 20142nd International Conference on New Frontiers in Physics
|Number of page(s)||9|
|Published online||29 April 2014|
Model Independent Search in 2-Dimensional Mass Space
Institute of Nuclear and Particle Physics Demokritos, Ag.Paraskeui, Athens, Greece
a e-mail: Georgios.Anagnostou@cern.ch
Published online: 29 April 2014
A method to search for particles of unknown masses in events with missing energy is presented. The only assumption is the topology of the decay chain. The solvability of the event has significant mass information and can be used to extract the unknown masses. The method is tested in events with top pairs decaying leptonically with the presence of two neutrinos in the final state. Similar topologies are predicted by supersymmetric models with conserved R-parity were sparticles are produced in pairs through cascade decay chains with the presence of the lightest neutralino in the end of each chain.
© Owned by the authors, published by EDP Sciences, 2014
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