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Title: Features of πΔ photoproduction at high energies

Hybrid/exotic meson spectroscopy searches at Jefferson Lab require the accurate theoretical description of the production mechanism in peripheral photoproduction. We develop a model for πΔ photoproduction at high energies (5 ≤ E lab ≤ 16 GeV) that incorporates both the absorbed pion and natural-parity cut contributions. We fit the available observables, providing a good description of the energy and angular dependencies of the experimental data. In conclusion, we also provide predictions for the photon beam asymmetry of charged pions at E lab = 9 GeV which is expected to be measured by GlueX and CLAS12 experiments in the near future.
Authors:
 [1] ;  [2] ;  [3] ;  [4] ;  [5] ;  [2] ;  [4] ;  [6] ;  [7] ;  [4]
  1. Ghent Univ., Ghent (Belgium); Indiana Univ., Bloomington, IN (United States); Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States); The George Washington Univ., Washington, D.C. (United States)
  2. Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
  3. Univ. Nacional Autonoma de Mexico, Ciudad de Mexico (Mexico)
  4. Indiana Univ., Bloomington, IN (United States)
  5. Univ. Bonn, Bonn (Germany)
  6. Ghent Univ., Ghent (Belgium)
  7. Indiana Univ., Bloomington, IN (United States); Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Publication Date:
Report Number(s):
JLAB-THY-17-2580; DOE/OR/23177-4246
Journal ID: ISSN 0370-2693; PII: S0370269318300935; TRN: US1801598
Grant/Contract Number:
AC05-06OR23177; FG02-87ER40365; PHY-1415459; PHY-1205019; IA101717; 251817
Type:
Published Article
Journal Name:
Physics Letters. Section B
Additional Journal Information:
Journal Volume: 779; Journal Issue: C; Journal ID: ISSN 0370-2693
Publisher:
Elsevier
Research Org:
Thomas Jefferson National Accelerator Facility, Newport News, VA (United States)
Sponsoring Org:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
OSTI Identifier:
1437821
Alternate Identifier(s):
OSTI ID: 1422391

Nys, Jannes, Mathieu, V., Fernandez-Ramirez, C., Jackura, A., Mikhasenko, M., Pilloni, A., Sherrill, N., Ryckebusch, J., Szczepaniak, A. P., and Fox, G.. Features of πΔ photoproduction at high energies. United States: N. p., Web. doi:10.1016/j.physletb.2018.01.075.
Nys, Jannes, Mathieu, V., Fernandez-Ramirez, C., Jackura, A., Mikhasenko, M., Pilloni, A., Sherrill, N., Ryckebusch, J., Szczepaniak, A. P., & Fox, G.. Features of πΔ photoproduction at high energies. United States. doi:10.1016/j.physletb.2018.01.075.
Nys, Jannes, Mathieu, V., Fernandez-Ramirez, C., Jackura, A., Mikhasenko, M., Pilloni, A., Sherrill, N., Ryckebusch, J., Szczepaniak, A. P., and Fox, G.. 2018. "Features of πΔ photoproduction at high energies". United States. doi:10.1016/j.physletb.2018.01.075.
@article{osti_1437821,
title = {Features of πΔ photoproduction at high energies},
author = {Nys, Jannes and Mathieu, V. and Fernandez-Ramirez, C. and Jackura, A. and Mikhasenko, M. and Pilloni, A. and Sherrill, N. and Ryckebusch, J. and Szczepaniak, A. P. and Fox, G.},
abstractNote = {Hybrid/exotic meson spectroscopy searches at Jefferson Lab require the accurate theoretical description of the production mechanism in peripheral photoproduction. We develop a model for πΔ photoproduction at high energies (5 ≤ Elab ≤ 16 GeV) that incorporates both the absorbed pion and natural-parity cut contributions. We fit the available observables, providing a good description of the energy and angular dependencies of the experimental data. In conclusion, we also provide predictions for the photon beam asymmetry of charged pions at Elab = 9 GeV which is expected to be measured by GlueX and CLAS12 experiments in the near future.},
doi = {10.1016/j.physletb.2018.01.075},
journal = {Physics Letters. Section B},
number = C,
volume = 779,
place = {United States},
year = {2018},
month = {2}
}