Research Article

Kinematic Selection Criteria in the Search for Resonances

Table 1

The physical regions of the particles a and b do not overlap if and . Here is the resonance mass, and is the mass of the heaviest product, is the rest frame momentum of the resonance decay products, and is the threshold momentum of the -bands separation .

R → a +  b , GeV , GeV , GeV , GeV

1.115 0.938 0.284 0.301
1.232 0.939 0.643 1.052
1.193 0.939 0.528 0.714
1.385 1.115 0.596 0.752
1.480 0.939 0.494 2.066
1.865 1.230 0.924 6.457
2.010 1.865 0.107 0.088
2.535 2.010 0.424 0.519