CERN Accelerating science

Article
Report number hep-ex/0510039 ; IFIC-05-53 ; IFIC-2005-53
Title Measurement of the production cross-section of positive pions in p-Al collisions at 12.9 GeV/c
Related titlePION
P AL
Author(s)

Catanesi, M.G. (Bari U. ; INFN, Bari) ; Muciaccia, M.T. (Bari U. ; INFN, Bari) ; Radicioni, E. (Bari U. ; INFN, Bari) ; Simone, S. (Bari U. ; INFN, Bari) ; Edgecock, R. (Rutherford) ; Ellis, Malcolm (Rutherford) ; Robbins, S. (Rutherford) ; Soler, F.J.P. (Rutherford) ; Gossling, C. (Dortmund U.) ; Mass, M. (Dortmund U.) ; Bunyatov, S. (Dubna, JINR) ; Chukanov, A. (Dubna, JINR) ; Dedovitch, D. (Dubna, JINR) ; Elagin, A. (Dubna, JINR) ; Gostkin, M. (Dubna, JINR) ; Guskov, A. (Dubna, JINR) ; Khartchenko, D. (Dubna, JINR) ; Klimov, O. (Dubna, JINR) ; Krasnoperov, A. (Dubna, JINR) ; Kustov, D. (Dubna, JINR) ; Nikolaev, K. (Dubna, JINR) ; Popov, B. (Dubna, JINR) ; Serdiouk, V. (Dubna, JINR) ; Tereshchenko, V. (Dubna, JINR) ; Zhemchugov, A. (Dubna, JINR) ; Di Capua, E. (Ferrara U. ; INFN, Ferrara) ; Vidal-Sitjes, G. (Ferrara U. ; INFN, Ferrara) ; Artamonov, A. (CERN) ; Arce, P. (CERN) ; Giani, S. (CERN) ; Gilardoni, Simone S. (CERN) ; Gorbunov, P. (CERN) ; Grant, A. (CERN) ; Grossheim, A. (CERN) ; Gruber, P. (CERN) ; Ivanchenko, V. (CERN) ; Kayis-Topaksu, A. (CERN) ; Linssen, L. (CERN) ; Panman, J. (CERN) ; Papadopoulos, I. (CERN) ; Pasternak, J. (CERN) ; Tcherniaev, E. (CERN) ; Tsukerman, I. (CERN) ; Veenhof, R. (CERN) ; Wiebusch, C. (CERN) ; Zucchelli, P. (CERN) ; Blondel, A. (Geneva U.) ; Borghi, S. (Geneva U.) ; Campanelli, M. (Geneva U.) ; Cervera-Villanueva, A. (Geneva U.) ; Morone, M.C. (Geneva U.) ; Prior, G. (Geneva U.) ; Schroeter, R. (Geneva U.) ; Kato, I. (Kyoto U.) ; Nakaya, T. (Kyoto U.) ; Nishikawa, K. (Kyoto U.) ; Ueda, S. (Kyoto U.) ; Ableev, V. (INFN, Legnaro) ; Gastaldi, U. (INFN, Legnaro) ; Mills, Geoffrey B. (Los Alamos) ; Graulich, J.S. (Louvain U., Inst. Phys. Nucl.) ; Gregoire, G. (Louvain U., Inst. Phys. Nucl.) ; Bonesini, M. (Milan U. ; INFN, Milan) ; Calvi, M. (Milan U. ; INFN, Milan) ; De Min, A. (Milan U. ; INFN, Milan) ; Ferri, F. (Milan U. ; INFN, Milan) ; Paganoni, M. (Milan U. ; INFN, Milan) ; Paleari, F. (Milan U. ; INFN, Milan) ; Kirsanov, M. (Moscow, INR) ; Bagulya, A. ; Grichine, V. ; Polukhina, N. ; Palladino, V. (Naples U. ; INFN, Naples) ; Coney, L. (Columbia U.) ; Schmitz, D. (Columbia U.) ; Barr, G. (Oxford U.) ; De Santo, A. (Oxford U.) ; Pattison, C. (Oxford U.) ; Zuber, K. (Oxford U.) ; Bobisut, F. (Padua U. ; INFN, Padua) ; Gibin, D. (Padua U. ; INFN, Padua) ; Guglielmi, A. (Padua U. ; INFN, Padua) ; Laveder, M. (Padua U. ; INFN, Padua) ; Menegolli, A. (Padua U. ; INFN, Padua) ; Mezzetto, M. (Padua U. ; INFN, Padua) ; Dumarchez, J. (Paris U., VI-VII) ; Troquereau, S. (Paris U., VI-VII) ; Vannucci, F. (Paris U., VI-VII) ; Ammosov, V. (Serpukhov, IHEP ; Rome U. ; INFN, Rome) ; Gapienko, V. (Serpukhov, IHEP ; Rome U. ; INFN, Rome) ; Koreshev, V. (Serpukhov, IHEP ; Rome U. ; INFN, Rome) ; Semak, A. (Serpukhov, IHEP ; Rome U. ; INFN, Rome) ; Sviridov, Yu. (Serpukhov, IHEP ; Rome U. ; INFN, Rome) ; Zaets, V. (Serpukhov, IHEP ; Rome U. ; INFN, Rome) ; Dore, U. (Serpukhov, IHEP ; Rome U. ; INFN, Rome) ; Orestano, D. (Rome III U. ; INFN, Rome3) ; Pasquali, M. (Rome III U. ; INFN, Rome3) ; Pastore, F. (Rome III U. ; INFN, Rome3) ; Tonazzo, A. (Rome III U. ; INFN, Rome3) ; Tortora, L. (Rome III U. ; INFN, Rome3) ; Booth, C. (Sheffield U.) ; Buttar, C. (Sheffield U.) ; Hodgson, P. (Sheffield U.) ; Howlett, L. (Sheffield U.) ; Bogomilov, M. (Sofiya U.) ; Chizhov, M. (Sofiya U.) ; Kolev, D. (Sofiya U.) ; Tsenov, R. (Sofiya U.) ; Piperov, Stefan (Sofiya, Inst. Nucl. Res.) ; Temnikov, P. (Sofiya, Inst. Nucl. Res.) ; Apollonio, M. (Trieste U. ; INFN, Trieste) ; Chimenti, P. (Trieste U. ; INFN, Trieste) ; Giannini, G. (Trieste U. ; INFN, Trieste) ; Santin, G. (Trieste U. ; INFN, Trieste) ; Hayato, Y. (KEK, Tsukuba) ; Ichikawa, A. (KEK, Tsukuba) ; Kobayashi, T. (KEK, Tsukuba) ; Burguet-Castell, J. (Valencia U., IFIC ; Valencia U.) ; Gomez-Cadenas, J.J. (Valencia U., IFIC ; Valencia U.) ; Novella, P. (Valencia U., IFIC ; Valencia U.) ; Sorel, M. (Valencia U., IFIC ; Valencia U.) ; Tornero, A. (Valencia U., IFIC ; Valencia U.)

Affiliation (CERN)
Publication 2006
Imprint 14 Oct 2005
Number of pages 45
Note 45 pages, 31 figures
In: Nucl. Phys. B 732 (2006) 1-45
DOI 10.1016/j.nuclphysb.2005.10.016
Subject category Particle Physics - Experiment
Accelerator/Facility, Experiment CERN PS ; HARP PS214
Abstract A precision measurement of the double-differential production cross-section, ${{d^2 \sigma^{\pi^+}}}/{{d p d\Omega}}$, for pions of positive charge, performed in the HARP experiment is presented. The incident particles are protons of 12.9 GeV/c momentum impinging on an aluminium target of 5% nuclear interaction length. The measurement of this cross-section has a direct application to the calculation of the neutrino flux of the K2K experiment. After cuts, 210000 secondary tracks reconstructed in the forward spectrometer were used in this analysis. The results are given for secondaries within a momentum range from 0.75 GeV/c to 6.5 GeV/c, and within an angular range from 30 mrad to 210 mrad. The absolute normalization was performed using prescaled beam triggers counting protons on target. The overall scale of the cross-section is known to better than 6%, while the average point-to-point error is 8.2%.
Copyright/License Elsevier B.V.



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