Phys. Rev. C 80, 035208 (2009) [19 pages]
Forward production of charged pions with incident protons on nuclear targets at the CERN Proton Synchrotron
Abstract
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M. Apollonio, 1 A. Artamonov, 2 A. Bagulya, 3 G. Barr, 4 A. Blondel, 5 F. Bobisut, 6,7 M. Bogomilov, 8 M. Bonesini, 9 C. Booth, 10 S. Borghi, 5 S. Bunyatov, 11 J. Burguet-Castell, 12 M. G. Catanesi, 13 A. Cervera-Villanueva, 12 P. Chimenti, 1 L. Coney, 14 E. Di Capua, 15 U. Dore, 16 J. Dumarchez, 17 R. Edgecock, 18 M. Ellis, 18 F. Ferri, 9 U. Gastaldi, 19 S. Giani, 2 G. Giannini, 1 D. Gibin, 6,7 S. Gilardoni, 2 P. Gorbunov, 2 C. Gößling, 20 J. J. Gómez-Cadenas, 12 A. Grant, 2 J. S. Graulich, 21 G. Grégoire, 21 V. Grichine, 3 A. Grossheim, 2 A. Guglielmi, 6 L. Howlett, 10 A. Ivanchenko, 2 V. Ivanchenko, 2 A. Kayis-Topaksu, 2 M. Kirsanov, 22 D. Kolev, 8 A. Krasnoperov, 11 J. Martín-Albo, 12 C. Meurer, 23 M. Mezzetto, 6 G. B. Mills, 24 M. C. Morone, 5 P. Novella, 12 D. Orestano, 25,26 V. Palladino, 27 J. Panman, 2 I. Papadopoulos, 2 F. Pastore, 25,26 S. Piperov, 28 N. Polukhina, 3 B. Popov, 11 G. Prior, 5 E. Radicioni, 13 D. Schmitz, 14 R. Schroeter, 5 V. Serdiouk, 11 G. Skoro, 10 M. Sorel, 12 E. Tcherniaev, 2 P. Temnikov, 28 V. Tereschenko, 11 A. Tonazzo, 25,26 L. Tortora, 25 R. Tsenov, 8 I. Tsukerman, 2 G. Vidal-Sitjes, 15 C. Wiebusch, 2 and P. Zucchelli2
(HARP Collaboration)
1Università degli Studi e Sezione INFN, Trieste, Italy
2CERN, Geneva, Switzerland
3P. N. Lebedev Institute of Physics (FIAN), Russian Academy of Sciences, Moscow, Russia
4Nuclear and Astrophysics Laboratory, University of Oxford, United Kingdom
5Section de Physique, Université de Genève, Switzerland
6Sezione INFN, Padova, Italy
7Universitá degli Studi, Padova, Italy
8Faculty of Physics, St. Kliment Ohridski University, Sofia, Bulgaria
9Sezione INFN Milano Bicocca, Milano, Italy
10Department of Physics, University of Sheffield, United Kingdom
11Joint Institute for Nuclear Research, JINR Dubna, Russia
12Instituto de Física Corpuscular, IFIC, CSIC and Universidad de Valencia, Spain
13Sezione INFN, Bari, Italy
14Columbia University, New York, New York, USA
15Università degli Studi e Sezione INFN, Ferrara, Italy
16Università “La Sapienza” e Sezione INFN Roma I, Rome, Italy
17LPNHE, Universités de Paris VI et VII, Paris, France
18Rutherford Appleton Laboratory, Chilton, Didcot, United Kingdom
19Laboratori Nazionali di Legnaro dell' INFN, Legnaro, Italy
20Institut für Physik, Universität Dortmund, Germany
21Institut de Physique Nucléaire, UCL, Louvain-la Neuve, Belgium
22Institute for Nuclear Research, Moscow, Russia
23Institut für Physik, Forschungszentrum Karlsruhe, Germany
24Los Alamos National Laboratory, Los Alamos, New Mexico, USA
25Sezione INFN, Rome, Italy
26Universitá Roma Tre, Rome, Italy
27Università “Federico II” e Sezione INFN, Napoli, Italy
28Institute for Nuclear Research and Nuclear Energy, Academy of Sciences, Sofia, Bulgaria
Received 19 June 2009; published 30 September 2009
Measurements of the double-differential  ± production cross section in the range of momentum 0.5 p8.0 GeV/c and angle 0.025 0.25 rad in collisions of protons on beryllium, carbon, nitrogen, oxygen, aluminum, copper, tin, tantalum, and lead are presented. The data were taken with the large-acceptance HAdRon Production (HARP) detector in the T9 beamline of the CERN Proton Synchrotron. Incident particles were identified by an elaborate system of beam detectors. Thin targets of 5% of a nuclear interaction length were used. The tracking and identification of the produced particles were performed using the forward system of the HARP experiment. Results are obtained for the double-differential cross sections d2 /dp d mainly at four incident proton beam momenta (3, 5, 8, and 12 GeV/c). Measurements are compared with the GEANT4 and MARS Monte Carlo generators. A global parametrization is provided as an approximation of all the collected datasets, which can serve as a tool for quick yield estimates.
©2009 The American Physical Society
| URL: |
http://link.aps.org/doi/10.1103/PhysRevC.80.035208
|
| DOI: |
10.1103/PhysRevC.80.035208 |
| PACS: |
25.40.Ep;
25.40.Ve
|
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