First measurement of π-e→π-eγ pion virtual compton scattering

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.; Gülmez, 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.; Krüger, 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.; Chensheng, M.; Zhenlin, M.; 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.; Onel, Y.; Ozel, E.; Ozkorucuklu, S.; Penzo, A.; Petrenko, S. I.; Pogodin, P.; Pouh, 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.; Vasjliev, A. N.; Vavilov, D. V.; Verebryusov, V. S.; Victorov, V. A.; Vishnyakov, V. E.; Vorobyov, A. A.; Vorwalter, K.; You, J.; Wenheng, Z.; Shuchen, Z.; Zukanovich-Funchal, R.

Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/66963

Title:

First measurement of π-e→π-eγ pion virtual compton scattering

Author(s):

Institution:

Ball State University
Bogazici University
Carnegie-Mellon University
Centro Brasiliero de Pesquisas Físicas
Fermilab
Institute for High Energy Physics
Institute of High Energy Physics
Institute of Theoretical and Experimental Physics
Max-Planck-Institut für Kernphysik
Moscow State University
Petersburg Nuclear Physics Institute
Tel Aviv University
Universidad Autónoma de San Luis Potosí
Universidade Federal da Paraíba (UFPB)
University of Bristol
University of Iowa
University of Michigan
INFN
Universidade de São Paulo (USP)
Medson Ltd.
Infineon Technologies AG
Imperial College
Universidade Estadual de Campinas (UNICAMP)
Technische Universität München
The Boston Consulting Group
Universidade Estadual Paulista (UNESP)
SPSS Inc.
University of Alabama at Birmingham
DOE
Siemens Medizintechnik
Deutsche Bank AG

ISSN:

0556-2813

Abstract:

Pion virtual compton scattering (VCS) via the reaction π-e→π-eγ was observed in the Fermilab E781 SELEX experiment. SELEX used a 600 GeV/c π- beam incident on target atomic electrons, detecting the incident π- and the final state π-, electron and γ. 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 π- VCS experimental cross section is σ=38.8±13 nb, in agreement with the theoretical expectation of σ=34.7 nb.

Issue Date:

1-Sep-2002

Citation:

Physical Review C - Nuclear Physics, v. 66, n. 3, p. 346131-346139, 2002.

Time Duration:

346131-346139

Source:

http://dx.doi.org/10.1103/PhysRevC.66.034613

URI:

Access Rights:

Acesso aberto

Type:

outro

Source:

http://repositorio.unesp.br/handle/11449/66963

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