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Title: Rapidity gap distribution in diffractive deep-inelastic scattering and parton genealogy

Abstract

We propose a partonic picture for high-mass diffractive dissociation events in onium-nucleus scattering, which leads to simple and robust predictions for the distribution of the sizes of gaps in diffractive dissociation of virtual photons off nuclei at very high energies. We show that the obtained probability distribution can formally be identified to the distribution of the decay time of the most recent common ancestor of a set of objects generated near the edge of a branching random walk, and explain the physical origin of this appealing correspondence. We then use the fact that the diffractive cross section conditioned to a minimum rapidity gap size obeys a set of Balitsky-Kovchegov equations in order to test numerically our analytical predictions. Furthermore, we show how simulations in the framework of a Monte Carlo implementation of the QCD evolution support our picture.

Authors:
;
Publication Date:
Research Org.:
Columbia Univ., New York, NY (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1466419
Alternate Identifier(s):
OSTI ID: 1498931
Grant/Contract Number:  
[FG02-92ER40699]
Resource Type:
Published Article
Journal Name:
Physical Review D
Additional Journal Information:
[Journal Name: Physical Review D Journal Volume: 98 Journal Issue: 3]; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Mueller, A. H., and Munier, S. Rapidity gap distribution in diffractive deep-inelastic scattering and parton genealogy. United States: N. p., 2018. Web. doi:10.1103/PhysRevD.98.034021.
Mueller, A. H., & Munier, S. Rapidity gap distribution in diffractive deep-inelastic scattering and parton genealogy. United States. doi:10.1103/PhysRevD.98.034021.
Mueller, A. H., and Munier, S. Thu . "Rapidity gap distribution in diffractive deep-inelastic scattering and parton genealogy". United States. doi:10.1103/PhysRevD.98.034021.
@article{osti_1466419,
title = {Rapidity gap distribution in diffractive deep-inelastic scattering and parton genealogy},
author = {Mueller, A. H. and Munier, S.},
abstractNote = {We propose a partonic picture for high-mass diffractive dissociation events in onium-nucleus scattering, which leads to simple and robust predictions for the distribution of the sizes of gaps in diffractive dissociation of virtual photons off nuclei at very high energies. We show that the obtained probability distribution can formally be identified to the distribution of the decay time of the most recent common ancestor of a set of objects generated near the edge of a branching random walk, and explain the physical origin of this appealing correspondence. We then use the fact that the diffractive cross section conditioned to a minimum rapidity gap size obeys a set of Balitsky-Kovchegov equations in order to test numerically our analytical predictions. Furthermore, we show how simulations in the framework of a Monte Carlo implementation of the QCD evolution support our picture.},
doi = {10.1103/PhysRevD.98.034021},
journal = {Physical Review D},
number = [3],
volume = [98],
place = {United States},
year = {2018},
month = {8}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1103/PhysRevD.98.034021

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Cited by: 1 work
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