Low-Mass Proton-Antiproton Enhancement: Belle and BES Results, Premises of LEAR and Expectations from CLAS
B.Kerbikov, A.Stavinsky, V.Fedotov (State Research Center Institute of, Theoretical, Experimental Physics, Moscow, Russia)
TL;DR
This paper explains the near-threshold proton-antiproton enhancement observed in experiments, using low-energy parameters from LEAR data, and predicts a similar effect in photoproduction reactions for future CLAS studies.
Contribution
It provides a simple model based on low-energy parameters to explain the enhancement and predicts its occurrence in photoproduction reactions.
Findings
Near-threshold proton-antiproton enhancement explained by low-energy parameters.
Prediction of similar enhancement in photoproduction reactions.
Connection between LEAR experiments and future CLAS observations.
Abstract
We present a simple explanation for the recently observed near-threshold proton-antiproton enhancement. It is described by a set of low-energy parameters deduced from the analysis of NantiN experiments at LEAR. We predict a related effect in photoproduction reaction under study by CLAS collaboration.
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Taxonomy
TopicsAtomic and Molecular Physics · X-ray Spectroscopy and Fluorescence Analysis · Photocathodes and Microchannel Plates