Traps in hadron spectroscopy: Thresholds, triangle singularities, \ldots)
Pre-published on:
February 16, 2018
Published on:
March 20, 2018
Abstract
The knowledge of hadron spectrum is based on experimental observations of hadronic resonances. The resonances are normally observed as peaks in certain invariant mass distributions. However, neither is a peak necessarily due to the presence of a resonance, nor does a resonance necessarily lead to a peak. Kinematic singularities can also produce peaks. Here, we discuss such possibilities and methods distinguishing genuine resonances from kinematic effects.
DOI: https://doi.org/10.22323/1.310.0015
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