English

On the narrow dip structure at 1.9 GeV/c$^2$ in diffractive photoproduction

High Energy Physics - Experiment 2008-11-26 v2 High Energy Physics - Phenomenology

Abstract

The narrow dip observed at 1.9 GeV/c2^2 by the Fermilab experiment E687 in diffractive photoproduction of  3π+3π~3\pi^+3\pi^- is examined. The E687 data are refitted, a mechanism is proposed to explain why this resonance appears as a dip, and possible interpretations are discussed.

Keywords

Cite

@article{arxiv.hep-ex/0310041,
  title  = {On the narrow dip structure at 1.9 GeV/c$^2$ in diffractive photoproduction},
  author = {P. L. Frabetti},
  journal= {arXiv preprint arXiv:hep-ex/0310041},
  year   = {2008}
}

Comments

13 pages, 3 figures. Accepted by Phys. Lett. B