J/ψ p scattering length from GlueX threshold measurements

Igor I. Strakovsky, Denis Epifanov, Lubomir Pentchev

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

The quality of the recent GlueX J/ψ photoproduction data from Hall D at Jefferson Laboratory and the proximity of the data to the energy threshold, gives access to a variety of interesting physics aspects. As an example, an estimation of the J/ψ-nucleon scattering length αJ/ψp is provided within the vector meson dominance model. It results in |αJ/ψp|=(3.08±0.55(stat.)±0.42(syst.)) mfm which is much smaller than a typical size of a hadron.

Original languageEnglish
Article number042201
Number of pages4
JournalPhysical Review C
Volume101
Issue number4
DOIs
Publication statusPublished - Apr 2020

Keywords

  • VECTOR-MESONS
  • PHOTOPRODUCTION

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