Hard photodisintegration of proton pairs in 3He

Eli Piasetzky; Ishay Pomerantz; D. Higinbotham; S. Strauch; R. Gilman

doi:10.1063/1.3013053

Hard photodisintegration of proton pairs in ³He

Eli Piasetzky^*, Ishay Pomerantz, D. Higinbotham, S. Strauch, R. Gilman

^*Corresponding author for this work

School of Physics and Astronomy

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

1 Scopus citations

Abstract

Hard deuteron photodisintegration has been investigated for 20 years, as its cross section follows the constituent counting rule and it provides insight into the interplay between hadronic and quark-gluon degrees of freedom in high-momentum transfer exclusive reactions. We have now measured for the first time hard pp-pair disintegration in the reaction γ ³He→ pp+n, using kinematics corresponding to a spectator neutron. Cross sections were measured for 90° c.m. at 8 beam energies, from 0.8 to 4.7 GeV. Preliminary results will be presented and compared to the hard deuteron photodisintegration data.

Original language	English
Title of host publication	Sixth International Conference on Perspectives in Hadronic Physics
Pages	280-286
Number of pages	7
DOIs	https://doi.org/10.1063/1.3013053
State	Published - 2008
Event	6th International Conference on Perspectives in Hadronic Physics - Trieste, Italy Duration: 12 May 2008 → 16 May 2008

Publication series

Name	AIP Conference Proceedings
Volume	1056
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Conference

Conference	6th International Conference on Perspectives in Hadronic Physics
Country/Territory	Italy
City	Trieste
Period	12/05/08 → 16/05/08

Keywords

Hard photodisintegration

Access to Document

10.1063/1.3013053

Cite this

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title = "Hard photodisintegration of proton pairs in 3He",

abstract = "Hard deuteron photodisintegration has been investigated for 20 years, as its cross section follows the constituent counting rule and it provides insight into the interplay between hadronic and quark-gluon degrees of freedom in high-momentum transfer exclusive reactions. We have now measured for the first time hard pp-pair disintegration in the reaction γ 3He→ pp+n, using kinematics corresponding to a spectator neutron. Cross sections were measured for 90° c.m. at 8 beam energies, from 0.8 to 4.7 GeV. Preliminary results will be presented and compared to the hard deuteron photodisintegration data.",

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Piasetzky, E , Pomerantz, I, Higinbotham, D, Strauch, S & Gilman, R 2008, Hard photodisintegration of proton pairs in ³He. in Sixth International Conference on Perspectives in Hadronic Physics. AIP Conference Proceedings, vol. 1056, pp. 280-286, 6th International Conference on Perspectives in Hadronic Physics, Trieste, Italy, 12/05/08. https://doi.org/10.1063/1.3013053

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