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          Institute: MPI für Kernphysik     Collection: Heavy Flavour Physics     Display Documents

ID: 31360.0, MPI für Kernphysik / Heavy Flavour Physics
First measurement of pi(-)e ->pi(-)e gamma pion virtual compton scattering
Authors:Ocherashvili, A.; Alkhazov, G.; Atamantchouk, A. G.; Balatz, M. Y.; Bondar, N. F.; Cooper, P. S.; Dauwe, L. J.; Davidenko, G. V.; Dersch, U.; Dolgolenko, A. G.; Dzyubenko, G. B.; Edelstein, R.; Emediato, L.; Endler, A. M. F.; Engelfried, J.; Eschrich, I.; Escobar, C. O.; Evdokimov, A. V.; Filimonov, I. S.; Garcia, F. G.; Gaspero, M.; Giller, I.; Golovtsov, V. L.; Gouffon, P.; Gulmez, E.; Kangling, H.; Iori, M.; Jun, S. Y.; Kaya, M.; Kilmer, J.; Kim, V. T.; Kochenda, L. M.; Konorov, I.; Kozhevnikov, A. P.; Krivshich, A. G.; Kruger, H.; Kubantsev, M. A.; Kubarovsky, V. P.; Kulyavtsev, A. I.; Kuropatkin, N. P.; Kurshetsov, V. F.; Kushnirenko, A.; Kwan, S.; Lach, J.; Lamberto, A.; Landsberg, L. G.; Larin, I.; Leikin, E. M.; Yunshan, L.; Luksys, M.; Lungov, T.; Maleev, V. P.; Mao, D.; Mao, C. S.; Mao, Z. L.; Mathew, P.; Mattson, M.; Matveev, V.; McCliment, E.; Moinester, M. A.; Molchanov, V. V.; Morelos, A.; Nelson, K. D.; Nemitkin, A. V.; Neoustroev, P. V.; Newsom, C.; Nilov, A. P.; Nurushev, S. B.; Ocherashvili, A.; Onel, Y.; Ozel, E.; Ozkorucuklu, S.; Penzo, A.; Petrenko, S. I.; Pogodin, P.; Povh, B.; Procario, M.; Prutskoi, V. A.; Ramberg, E.; Rappazzo, G. F.; Razmyslovich, B. V.; Rud, V. I.; Russ, J.; Schiavon, P.; Simon, J.; Sitnikov, A. I.; Skow, D.; Smith, V. J.; Srivastava, M.; Steiner, V.; Stepanov, V.; Stutte, L.; Svoiski, M.; Terentyev, N. K.; Thomas, G. P.; Uvarov, L. N.; Vasiliev, A. N.; Vavilov, D. V.; Verebryusov, V. S.; Victorov, V. A.; Vishnyakov, V. E.; Vorobyov, A. A.; Vorwalter, K.; You, J.; Zhao, W. H.; Zheng, S. C.; Zukanovich-Funchal, R.
Date of Publication (YYYY-MM-DD):2002-09
Title of Journal:Physical Review C
Journal Abbrev.:Phys. Rev. C
Issue / Number:3
Start Page:034613
End Page:034613
Sequence Number of Article:034613
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:Pion virtual compton scattering (VCS) via the reaction pi(-)e-- >pi(-)egamma was observed in the Fermilab E781 SELEX experiment. SELEX used a 600 GeV/c pi(-) beam incident on target atomic electrons, detecting the incident pi(-) and the final state pi(-), electron and gamma. Theoretical predictions based on chiral perturbation theory are incorporated into a Monte Carlo simulation of the experiment and are compared to the data. The number of reconstructed events (=9) and their distribution with respect to the kinematic variables (for the kinematic region studied) are in reasonable accord with the predictions. The corresponding pi(-) VCS experimental cross section is sigma=38.8+/-13 nb, in agreement with the theoretical expectation of sigma=34.7 nb.
External Publication Status:published
Document Type:Article
Affiliations:MPI für Kernphysik/Guest Groups and Emeriti/Particle and Nuclear Physics (B. Povh)
External Affiliations:Medson Ltd, IL-76702 Rehovot, Israel; Ball State Univ, Muncie, IN 47306, USA; Bogazici Univ, TR-80815 Bebek, Istanbul, Turkey; Carnegie Mellon Univ, Pittsburgh, PA 15213 USA; Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil; Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA; Inst High Energy Phys, Protvino, Russia; Inst High Energy Phys, Beijing 100039, Peoples R China; Inst Theoret & Expt Phys, Moscow 117259, Russia; Max Planck Inst Kernphys, D-69117 Heidelberg, Germany; Moscow MV Lomonosov State Univ, Moscow, Russia; Petersburg Nucl Phys Inst, St Petersburg, Russia; Tel Aviv Univ, IL-69978 Ramat Aviv, Israel; Univ Autonoma San Luis Potosi, San Luis Potosi, Mexico; Univ Fed Paraiba, BR-58059900 Joao Pessoa, Paraiba, Brazil; Univ Bristol, Bristol BS8 1TL, Avon, England; Univ Iowa, Iowa City, IA 52242 USA; Univ Michigan, Flint, MI 48502 USA; Univ Roma La Sapienza, Rome, Italy; Ist Nazl Fis Nucl, Rome, Italy; Univ Sao Paulo, Sao Paulo, Brazil; Univ Trieste, Trieste, Italy; Ist Nazl Fis Nucl, Trieste, Italy
Identifiers:ISI:000178383900034 [ID No:1]
ISSN:0556-2813 [ID No:2]
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