Measurements of the magnetic form factor of the proton in the timelike region at large momentum transfer
Journal Article
·
· Physical Review, D
OSTI ID:355473
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- Fermi National Accelerator Laboratory, Batavia, Illinois 60510 (United States)
- Istituto Nazionale di Fisica Nucleare and University of Ferrara, 44100 Ferrara (Italy)
- Istituto Nazionale di Fisica Nucleare and University of Genova, 16146 Genova (Italy)
- University of California at Irvine, Irvine, California 92697 (United States)
- Northwestern University, Evanston, Illinois 60208 (United States)
- Istituto Nazionale di Fisica Nucleare and University of Torino, 10125 Torino (Italy)
The cross section for the reaction {bar p}p{r_arrow}e{sup +}e{sup {minus}} has been measured at s=8.8, 10.8, 12.4, 13.1, and 14.4 GeV{sup 2} by Fermilab experiment E835. A non-magnetic spectrometer is used to identify the e{sup +}e{sup {minus}} final states generated by the antiproton beam intersecting an internal hydrogen gas jet target. From the analysis of the 144 observed events, new high-precision measurements of the proton magnetic form factor for timelike momentum transfers are obtained. {copyright} {ital 1999} {ital The American Physical Society}
- OSTI ID:
- 355473
- Journal Information:
- Physical Review, D, Journal Name: Physical Review, D Journal Issue: 3 Vol. 60; ISSN 0556-2821; ISSN PRVDAQ
- Country of Publication:
- United States
- Language:
- English
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