Accelerator Neutrinos

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Measurement of νμ and ν¯μ induced neutral current single π0 production cross sections on mineral oil at Eν∼O (1 GeV)

Physical Review D American Physical Society (APS) 81:1 (2010) 013005

Authors:

AA Aguilar-Arevalo, CE Anderson, AO Bazarko, SJ Brice, BC Brown, L Bugel, J Cao, L Coney, JM Conrad, DC Cox, A Curioni, Z Djurcic, DA Finley, BT Fleming, R Ford, FG Garcia, GT Garvey, J Gonzales, J Grange, C Green, JA Green, TL Hart, E Hawker, R Imlay, RA Johnson, G Karagiorgi, P Kasper, T Katori, T Kobilarcik, I Kourbanis, S Koutsoliotas, EM Laird, SK Linden, JM Link, Y Liu, Y Liu, WC Louis, KBM Mahn, W Marsh, C Mauger, VT McGary, G McGregor, W Metcalf, PD Meyers, F Mills, GB Mills, J Monroe, CD Moore, J Mousseau, RH Nelson, P Nienaber, JA Nowak, B Osmanov, S Ouedraogo, RB Patterson, Z Pavlovic, D Perevalov, CC Polly, E Prebys, JL Raaf, H Ray, BP Roe, AD Russell, V Sandberg, R Schirato, D Schmitz, MH Shaevitz, FC Shoemaker, D Smith, M Soderberg, M Sorel, P Spentzouris, J Spitz, I Stancu, RJ Stefanski, M Sung, HA Tanaka, R Tayloe, M Tzanov, RG Van de Water, MO Wascko, DH White, MJ Wilking, HJ Yang, GP Zeller, ED Zimmerman
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Measurements of forward proton production with incident protons and charged pions on nuclear targets at the CERN proton synchroton

Physical Review C - Nuclear Physics 82:4 (2010)

Authors:

M Apollonio, A Artamonov, A Bagulya, G Barr, A Blondel, F Bobisut, M Bogomilov, M Bonesini, C Booth, S Borghi, S Bunyatov, J Burguet-Castell, MG Catanesi, A Cervera-Villanueva, P Chimenti, L Coney, E di Capua, U Dore, J Dumarchez, R Edgecock, M Ellis, F Ferri, U Gastaldi, S Giani, G Giannini, D Gibin, S Gilardoni, P Gorbunov, C Gößling, JJ Gómez-Cadenas, A Grant, JS Graulich, G Grégoire, V Grichine, A Grossheim, A Guglielmi, L Howlett, A Ivanchenko, V Ivanchenko, A Kayis-Topaksu, M Kirsanov, D Kolev, A Krasnoperov, J Martín-Albo, C Meurer, M Mezzetto, GB Mills, MC Morone, P Novella, D Orestano, V Palladino, J Panman, I Papadopoulos, F Pastore, S Piperov, N Polukhina, B Popov, G Prior, E Radicioni, D Schmitz, R Schroeter, G Skoro, M Sorel, E Tcherniaev, P Temnikov, V Tereschenko, A Tonazzo, L Tortora, R Tsenov, I Tsukerman, G Vidal-Sitjes, C Wiebusch, P Zucchelli

Abstract:

Measurements of the double-differential proton production cross-section d2σ/dpdΩ in the range of momentum 0.5 GeV/c p ≤ 8.0 GeV/c and angle 0.05 rad ≤ θ < 0.25 rad in collisions of charged pions and protons on beryllium, carbon, aluminium, copper, tin, tantalum, and lead are presented. The data were taken with the large acceptance HARP detector in the T9 beam line of the CERN Proton Synchrotron. Incident particles were identified by an elaborate system of beam detectors and impinged on a target of 5% of a nuclear interaction length. The tracking and identification of the produced particles was performed using the forward spectrometer of the HARP experiment. Results are obtained for the double-differential cross-sections mainly at four incident beam momenta (3, 5, 8, and 12 GeV/c). Measurements are compared with predictions of the GEANT4 and MARS Monte Carlo generators. © 2010 The American Physical Society.
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New experiments with antiprotons

Proceedings of Science 120 (2010)

Authors:

DM Kaplan, A Cronin, L Bartoszek, AP Mills, GM Pia-Centino, TJ Phillips, DC Christian, P Derwent, M Fischler, K Gollwitzer, A Hahn, V Papadimitriou, G Stancari, M Stancari, R Stefanski, J Volk, S Werkema, W Wester, HB White, GP Yeh, W Baldini, RG Greaves, SD Howe, GP Jackson, R Lewis, JM Zlotnicki, K Lau, DM Kaplan, TJ Roberts, J Terry, Y Torun, CG White, A Giri, A Drutskoy, GA Horton-Smith, B Ratra, HK Park, O Piskunova, T Holmstrom, TK Pedlar, HR Gustafson, M Merkin, JB Pearson, J Rosen, M Wayne, F Azfar, T Coan, A Chakravorty, MG Raizen, EC Dukes

Abstract:

Fermilab operates the world's most intense antiproton source. Newly proposed experiments can use those antiprotons either parasitically during Tevatron Collider running or after the Tevatron Collider finishes. For example, the annihilation of 8 GeV antiprotons is expected to yield world-leading sensitivities to hyperon rare decays and CP violation. It could also provide the world's most intense source of tagged D0 mesons, and thus the best near-term opportunity to study charm mixing and, via CP violation, to search for new physics. Other precision measurements that could be made include properties of the X(3872) and the charmonium system. An experiment using a Penning trap and an atom interferometer could make the world's first measurement of the gravitational force on antimatter. These and other potential measurements using antiprotons could lead to a broad physics program at Fermilab in the post-Tevatron era.

Observation of muon intensity variations by season with the MINOS far detector

Physical Review D American Physical Society (APS) 81:1 (2010) 012001

Authors:

P Adamson, C Andreopoulos, KE Arms, R Armstrong, DJ Auty, DS Ayres, C Backhouse, J Barnett, G Barr, WL Barrett, BR Becker, M Bishai, A Blake, B Bock, GJ Bock, DJ Boehnlein, D Bogert, C Bower, S Cavanaugh, JD Chapman, D Cherdack, S Childress, BC Choudhary, JH Cobb, SJ Coleman, D Cronin-Hennessy, AJ Culling, IZ Danko, JK de Jong, NE Devenish, MV Diwan, M Dorman, CO Escobar, JJ Evans, E Falk, GJ Feldman, TH Fields, MV Frohne, HR Gallagher, A Godley, MC Goodman, P Gouffon, R Gran, EW Grashorn, K Grzelak, A Habig, D Harris, PG Harris, J Hartnell, R Hatcher, K Heller, A Himmel, A Holin, J Hylen, GM Irwin, Z Isvan, DE Jaffe, C James, D Jensen, T Kafka, SMS Kasahara, G Koizumi, S Kopp, M Kordosky, K Korman, DJ Koskinen, Z Krahn, A Kreymer, K Lang, J Ling, PJ Litchfield, L Loiacono, P Lucas, J Ma, WA Mann, ML Marshak, JS Marshall, N Mayer, AM McGowan, R Mehdiyev, JR Meier, MD Messier, CJ Metelko, DG Michael, WH Miller, SR Mishra, J Mitchell, CD Moore, J Morfín, L Mualem, S Mufson, J Musser, D Naples, JK Nelson, HB Newman, RJ Nichol, TC Nicholls, JP Ochoa-Ricoux, WP Oliver, T Osiecki, R Ospanov, S Osprey, J Paley, RB Patterson, T Patzak, G Pawloski, GF Pearce, EA Peterson, R Pittam, RK Plunkett, A Rahaman, RA Rameika, TM Raufer, B Rebel, J Reichenbacher, PA Rodrigues, C Rosenfeld, HA Rubin, VA Ryabov, MC Sanchez, N Saoulidou, J Schneps, P Schreiner, P Shanahan, W Smart, C Smith, A Sousa, B Speakman, P Stamoulis, M Strait, N Tagg, RL Talaga, J Thomas, MA Thomson, JL Thron, G Tinti, R Toner, VA Tsarev, G Tzanakos, J Urheim, P Vahle, B Viren, M Watabe, A Weber, RC Webb, N West, C White, L Whitehead, SG Wojcicki, DM Wright, T Yang, M Zois, K Zhang, R Zwaska
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Performance of the ATLAS detector using first collision data

Journal of High Energy Physics 2010:9 (2010)

Authors:

G Aad, E Abat, B Abbott, J Abdallah, AA Abdelalim, A Abdesselam, O Abdinov, B Abi, M Abolins, H Abramowicz, H Abreu, E Acerbi, BS Acharya, M Ackers, DL Adams, TN Addy, J Adelman, M Aderholz, S Adomeit, C Adorisio, P Adragna, T Adye, S Aefsky, JA Aguilar-Saavedra, M Aharrouche, SP Ahlen, F Ahles, A Ahmad, H Ahmed, M Ahsan, G Aielli, T Akdogan, PF Åkesson, TPA Åkesson, G Akimoto, AV Akimov, A Aktas, MS Alam, MA Alam, S Albrand, M Aleksa, IN Aleksandrov, M Aleppo, F Alessandria, C Alexa, G Alexander, G Alexandre, T Alexopoulos, M Alhroob, M Aliev, G Alimonti, J Alison, M Aliyev, PP Allport, SE Allwood-Spiers, J Almond, A Aloisio, R Alon, A Alonso, J Alonso, MG Alviggi, K Amako, P Amaral, G Ambrosini, G Ambrosio, C Amelung, VV Ammosov, A Amorim, G Amorós, N Amram, C Anastopoulos, T Andeen, CF Anders, KJ Anderson, A Andreazza, V Andrei, ML Andrieux, XS Anduaga, A Angerami, F Anghinolfi, N Anjos, A Annovi, A Antonaki, M Antonelli, S Antonelli, J Antos, B Antunovic, F Anulli, S Aoun, G Arabidze, I Aracena, Y Arai, ATH Arce, JP Archambault, S Arfaoui, JF Arguin, T Argyropoulos, E Arik, M Arik

Abstract:

More than half a million minimum-bias events of LHC collision data were collected by the ATLAS experiment in December 2009 at centre-of-mass energies of 0.9 TeV and 2.36 TeV. This paper reports on studies of the initial performance of the ATLAS detector from these data. Comparisons between data and Monte Carlo predictions are shown for distributions of several track-and calorimeter-based quantities. The good performance of the ATLAS detector in these first data gives confidence for successful running at higher energies.
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