Research articles

search articles

My Pages

Stat

Members: 3645
Articles: 2'504'928
Articles rated: 2609

25 April 2024

» pubmed » pmid12906473

Article overview

Cross-section measurement of charged-pion photoproduction from hydrogen and deuterium
L Y Zhu ; J Arrington ; T Averett ; E Beise ; J Calarco ; T Chang ; J P Chen ; E Chudakov ; M Coman ; B Clasie ; C Crawford ; S Dieterich ; F Dohrmann ; D Dutta ; K Fissum ; S Frullani ; H Gao ; R Gilman ; C Glashausser ; J Gomez ; K Hafidi ; J-O Hansen ; D W Higinbotham ; R J Holt ; C W De Jager ; X Jiang ; E Kinney ; K Kramer ; G Kumbartzki ; J LeRose ; N Liyanage ; D Mack ; P Markowitz ; K McCormick ; D Meekins ; Z-E Meziani ; R Michaels ; J Mitchell ; S Nanda ; D Potterveld ; R Ransome ; P E Reimer ; B Reitz ; A Saha ; E C Schulte ; J Seely ; S Sirca ; S Strauch ; V Sulkosky ; B Vlahovic ; L B Weinstein ; K Wijesooriya ; C F Williamson ; B Wojtsekhowski ; H Xiang ; F Xiong ; W Xu ; J Zeng ; X Zheng ; ;
Date:	11 Jul 2003
Journal:	Phys Rev Lett, 91 (2), 022003
Abstract:	We have measured the differential cross section for the gamman-->pi(-)p and gammap-->pi(+)n reactions at theta(c.m.)=90 degrees in the photon energy range from 1.1 to 5.5 GeV at Jefferson Lab (JLab). The data at E(gamma) greater, similar 3.3 GeV exhibit a global scaling behavior for both pi(-) and pi(+) photoproduction, consistent with the constituent counting rule and the existing pi(+) photoproduction data. Possible oscillations around the scaling value are suggested by these new data. The data show enhancement in the scaled cross section at a center-of-mass energy near 2.2 GeV. The cross section ratio of exclusive pi(-) to pi(+) photoproduction at high energy is consistent with the prediction based on one-hard-gluon-exchange diagrams.
Source:	PubMed, pmid12906473
Services:	Forum \| Review \| Favorites

No review found.

Did you like this article?

This article or document is ...
important:
of broad interest:
readable:
new:
correct:
Global appreciation:

Note: answers to reviews or questions about the article must be posted in the forum section.
Authors are not allowed to review their own article. They can use the forum section.

browser Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

ScienXe.org
» my Online CV
» Free

News, job offers and information for researchers and scientists:

home

contact

sitemap