STI Publications - View Publication Form #5821
| Back to Search Results |
Publication Information
| Title | Cross Section Measurements of Charged Pion Photoproduction in Hydrogen and Deuterium from 1.1 to 5.5 GeV | ||||
| Abstract | The differential cross section for the gamma +n --> pi- + p and the gamma + p --> pi+ n processes were measured at Jefferson Lab. The photon energies ranged from 1.1 to 5.5 GeV, corresponding to center-of-mass energies from 1.7 to 3.4 GeV. The pion center-of-mass angles varied from 50 degree to 110 degree. The pi- and pi+ photoproduction data both exhibit a global scaling behavior at high energies and high transverse momenta, consistent with the constituent counting rule prediction and the existing pi+ data. The data suggest possible substructure of the scaling behavior, which might be oscillations around the scaling value. The data show an enhancement in the scaled cross section at center-of-mass energy near 2.2 GeV. The differential cross section ratios at high energies and high transverse momenta can be described by calculations based on one-hard-gluon-exchange diagrams. | ||||
| Author(s) | Lingyan Zhu, John Arrington  , Todd Averett , Elizabeth Beise, John Calarco, Ting Chang, Jian-Ping Chen, Eugene Chudakov , Marius Coman, Benjamin Clasie, Chris Crawford, Sonja Dieterich, Frank Dohrmann, Dipangkar Dutta , Kevin Fissum, Salvatore Frullani, Haiyan Gao , Ronald Gilman , Charles Glashausser, Javier Gomez, Kawtar Hafidi , Ole Hansen , Douglas Higinbotham, Roy Holt, Kees De Jager, Xiaodong Jiang, Ed Kinney , Kevin Kramer, Gerfried Kumbartzki, John LeRose, Nilanga Liyanage, Dave Mack, Pete Markowitz , Kathy McCormick, Dave Meekins, Zein-Eddine Meziani , Robert Michaels , Joe Mitchell, Sirish Nanda, Dave Potterveld, Ron Ransome, Paul Reimer , Bodo Reitz, Arun Saha, Elaine Schulte, Charles Seely, Simon Sirca , Steffen Strauch , Vincent Sulkosky, Branko Vlahovic, Larry Weinstein, Krishni Wijesooriya, Claude Williamson, Bogdan Wojtsekhowski, Hong XIANG, Feng Xiong, Wang Xu, Jianning Zeng, Xiaochao Zheng |
||||
| Publication Date | April 2005 | ||||
| Document Type | Journal Article | ||||
| Primary Institution | Thomas Jefferson National Accelerator Facility, Newport News | ||||
| Affiliation | / / | ||||
| Funding Source | |||||
| Proprietary? | No | ||||
| This publication conveys | Technical Science Results | ||||
| Document Numbers |
|
||||
| Associated with an experiment | Yes | ||||
| Experiment Number(s) |
E94-104
|
||||
| Associated with EIC | No | ||||
| Supported by Jefferson Lab LDRD Funding | No |
Journal Article
| Journal Name | Physical Review C |
| Refereed | Yes |
| Volume | 71 |
| Issue | |
| Page(s) | 044603 |
Attachments/Datasets/DOI Link
| Document(s) |
0409018.pdf
(STI Document)
|
| DOI Link | |
| Dataset(s) | (none) |
| Back to Search Results |