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Exclusive processes with a leading neutron in ep collisions

Gonçalves, V. P. LU ; Navarra, F. S. and Spiering, D. (2016) In Physical Review D (Particles, Fields, Gravitation and Cosmology) 93(5).
Abstract

In this paper we extend the color dipole formalism to the study of exclusive processes associated with a leading neutron in ep collisions at high energies. The exclusive ρ, φ and J/Ψ production, as well as the deeply virtual Compton scattering, are analyzed assuming a diffractive interaction between the color dipole and the pion emitted by the incident proton. We compare our predictions with the HERA data on ρ production and estimate the magnitude of the absorption corrections. We show that the color dipole formalism is able to describe the current data. Finally, we present our estimate for the exclusive cross sections which can be studied at HERA and in future electron-proton colliders.

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author
; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Physical Review D (Particles, Fields, Gravitation and Cosmology)
volume
93
issue
5
article number
054025
publisher
American Physical Society
external identifiers
  • scopus:84962439283
  • wos:000372417500003
ISSN
1550-7998
DOI
10.1103/PhysRevD.93.054025
language
English
LU publication?
yes
id
964da854-1c02-4fb4-be78-8d7025042dc9
date added to LUP
2016-07-11 12:26:58
date last changed
2024-06-14 11:06:29
@article{964da854-1c02-4fb4-be78-8d7025042dc9,
  abstract     = {{<p>In this paper we extend the color dipole formalism to the study of exclusive processes associated with a leading neutron in ep collisions at high energies. The exclusive ρ, φ and J/Ψ production, as well as the deeply virtual Compton scattering, are analyzed assuming a diffractive interaction between the color dipole and the pion emitted by the incident proton. We compare our predictions with the HERA data on ρ production and estimate the magnitude of the absorption corrections. We show that the color dipole formalism is able to describe the current data. Finally, we present our estimate for the exclusive cross sections which can be studied at HERA and in future electron-proton colliders.</p>}},
  author       = {{Gonçalves, V. P. and Navarra, F. S. and Spiering, D.}},
  issn         = {{1550-7998}},
  language     = {{eng}},
  month        = {{03}},
  number       = {{5}},
  publisher    = {{American Physical Society}},
  series       = {{Physical Review D (Particles, Fields, Gravitation and Cosmology)}},
  title        = {{Exclusive processes with a leading neutron in ep collisions}},
  url          = {{http://dx.doi.org/10.1103/PhysRevD.93.054025}},
  doi          = {{10.1103/PhysRevD.93.054025}},
  volume       = {{93}},
  year         = {{2016}},
}