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Advances in High Energy Physics
Volume 2012 (2012), Article ID 502179, 13 pages
Research Article

Kinematic Selection Criteria in the Search for Resonances

Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, Moscow 119234, Russia

Received 30 April 2012; Accepted 5 June 2012

Academic Editor: C. Q. Geng

Copyright © 2012 B. B. Levchenko. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


In this paper, we discuss some general features of two-body decay kinematics and derive a new set of equations describing boundaries of the physical region in decays. These features via a graphical representation and implementation of selection criteria provide an efficient tool for the background suppression in experimental searches for conventional and exotic (pentaquark, etc.) resonance states.