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Your search keyword '"B Chaurand"' showing total 4 results
Start Over Author "B Chaurand" Journal journal of physics g: nuclear and particle physics
4 results on '"B Chaurand"'

1. The production of , and mesons in p-, d-, S- and Pb-induced reactions at the CERN SPS

Author

Corrado Cicalo, X. Tarrago, C. Castanier, Mario Sitta, Sergio Serci, H.R. Gulkanyan, E. Vercellin, M. Bedjidian, Stefania Beole, W.L. Prado da Silva, F. Sigaudo, N DeMarco, M. Gallio, S. Grigorian, F.F. Guber, P. Force, S. Borenstein, Luciano Ramello, R. Haroutunian, A. Guichard, L. Villatte, Pietro Cortese, Massimo Masera, Y.K. Gavrilov, J. Fargeix, M. Mac Cormick, Enrico Scalas, A. Defalco, A.A. Grigorian, A. Marzari-Chiesa, Marco Monteno, Alexey Kurepin, Y. Le Bornec, E. Chiavassa, Ruben Shahoyan, João Cruz, A. Musso, A. Masoni, F Prino, G. Dellacasa, A. Romana, P. Rato Mendes, Roberta Arnaldi, G. Puddu, Carlos Lourenco, M. P. Comets, Helena Santos, Calin Alexa, G. L. Usai, P. Bordalo, B. Chaurand, L. Kluberg, N.S. Topilskaya, J. Castor, R. Hakobyan, O. Drapier, C. Gerschel, S. Ramos, G. Borges, T.L. Karavitcheva, A. Baldit, C. Baglin, Serban Constantinescu, B. Espagnon, C. Quintans, M. Atayan, Brigitte Cheynis, Bruno Alessandro, J.-R. Pizzi, Enrico Scomparin, L. Riccati, M. Gonin, T. Claudino, J.-Y. Grossiord, P. Macciotta, Marek Idzik, P. Petiau, P. Sonderegger, T. Wu, Sanda Dita, D. Jouan, V. Boldea, L. Capelli, N. Willis, A. Devaux, P. Saturnini, A. Piccotti, A. Bussiere, M.B. Golubeva, and Paolo Giubellino

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, Large Hadron Collider, Muon, Meson, Proton, 010308 nuclear & particles physics, 7. Clean energy, 01 natural sciences, Omega, Nuclear physics, Pair production, Deuterium, 0103 physical sciences, 010306 general physics
Abstract

From proton, deuteron, S- and Pb-induced reactions, experiments NA38 and NA50 have measured muon pair production with various targets. In particular, the production rates of the , ω and ρ mesons have been simultaneously extracted and compared. Preliminary partial results of the most recent Pb–Pb measurement done in year 2000 by NA50 are presented here. They are also included in the comparison with the results obtained with lighter interacting nuclei.

Published
2003
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2. First results and future perspectives of the NA60 experiment

Author

C Oppedisano, (for the NA60 Collaboration), R Arnaldi, K Banicz, K Borer, J Buytaert, J Castor, B Chaurand, W Chen, B Cheynis, C Cicalo, A Colla, P Cortese, A David, A de Falco, N de Marco, A Devaux, A Drees, L Ducroux, H En'yo, A Ferretti, M Floris, P Force, A Grigorian, J-Y Grossiord, N Guettet, A Guichard, H Gulkanian, J Heuser, M Keil, L Kluberg, Z Li, C Lourenço, J Lozano, F Manso, A Masoni, A Neves, H Ohnishi, G Puddu, E Radermacher, P Rosinsky, E Scomparin, J Seixas, S Serci, R Shahoyan, P Sonderegger, G Usai, H Vardanyan, and H Wöhri

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, Muon, Large Hadron Collider, Meson, Spectrometer, Physics::Instrumentation and Detectors, Particle identification, Charged particle, Nuclear physics, Pseudorapidity, High Energy Physics::Experiment, Nuclear Experiment, Lepton
Abstract

The NA60 experiment at the CERN SPS studies the production of open charm and prompt dimuons in collisions induced by proton and heavy ion beams on nuclear targets. The experimental setup includes a silicon vertex telescope, placed inside a dipole magnetic field, to match charged particle tracks with the muon tracks measured by a muon spectrometer. In p-A collisions the vertex telescope is mostly made of silicon microstrip planes, whereas in A-A interactions the higher multiplicity imposes the use of high granularity silicon pixel detectors. The high interaction rate required for the study of rare processes imposes the use of radiation tolerant pixel detectors. NA60 took its first data in the year 2002, with 400 GeV protons and with Pb ions of 20 and 30 GeV per nucleon. The proton data have been used for the study of dimuon production, while the heavy ion data were devoted to the commissioning of the pixel detectors and to the study of charged particle pseudorapidity densities. After an overview of the detector concept, this paper presents the first results obtained with the 2002 data.

Published
2003
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3. $\phi$ and $\rho$ $plus$ $\omega$ vector-mesons produced in lead-induced collisions

Author

P. Rato Mendes, B. Chaurand, S R Borenstein, Mauro Gallio, V. Boldea, C. Gerschel, Mario Sitta, H.R. Gulkanyan, J. Fargeix, Sergio Serci, M. P. Comets, A. Masoni, Ermanno Vercellin, Enrico Scomparin, M. Gonin, S. Ramos, A. Baldit, A. Romana, Y Le Bornec, Calin Alexa, L. Ramello, W.L. Prado da Silva, P. Petiau, Roberta Arnaldi, F. Sigaudo, G. Puddu, P. Sonderegger, Paolo Giubellino, Bruno Alessandro, L. Riccati, N. De Marco, E Scalas, A. De Falco, Sanda Dita, D. Jouan, C Castanier, A. Bussiere, G. Borges, M.C. Abreu, C. Quintans, A. Guichard, T.L. Karavitcheva, M. Atayan, P. Saturnini, Serban Constantinescu, N. Constans, Y.K. Gavrilov, B. Espagnon, M.B. Golubeva, A. Piccotti, J.-R. Pizzi, Alexey Kurepin, A.A. Grigorian, L. Villatte, João Cruz, S. Silva, F. Prino, Jean-Yves Grossiord, M Bedjidian, N. Willis, L Capelli, G. L. Usai, A. Musso, Brigitte Cheynis, Pietro Cortese, Carlos Lourenco, L. Kluberg, N.S. Topilskaya, Stefania Beole, A. Marzari-Chiesa, Marco Monteno, P. Force, M. Mac Cormick, J. Castor, Corrado Cicalo, S. Grigorian, X. Tarrago, T. Claudino, Massimo Masera, E. Chiavassa, Ruben Shahoyan, C. Baglin, R Haroutunian, G. Dellacasa, Helena Santos, P. Macciotta, O Drapier, P. Bordalo, R. Hakobyan, A. Devaux, Marek Idzik, and F.F. Guber

Subjects
Nuclear physics, Physics, Nuclear and High Energy Physics, Particle physics, Proton, Meson, Strangeness production, Inverse, Heavy ion, Nuclear Experiment, Omega, Scaling, Ion
Abstract

The experiment NA50 studies the strangeness production by means of the BRμμσ/(BRρμμσρ + BRωμμσω) cross-sections ratio in relativistic heavy ion collisions with respect to proton and light ion collisions. New results for Pb+Pb interactions at 158 A GeV/c are presented (1998 data) and analysed with a different method. The BRμμσ/(BRρμμσρ + BRωμμσω) ratio shows an increase with the number of participants, in agreement with previous results. The inverse slope parameter extracted from the MT universal scaling is also studied.

Published
2002
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4. Highlights from the NA60 experiment

Author

A. De Falco, Hermine Katharina Wöhri, Rob Veenhof, Hiroaki Ohnishi, G. Puddu, Pietro Cortese, F. Manso, P. Parracho, Z. Li, Carlos Lourenco, J. Lozano, L. Kluberg, N. Guettet, J. Fargeix, A. Colla, H. Gulkanian, Alessandro Ferretti, H. En'yo, S. Serci, A. Neves, P. Ramalhete, B. Chaurand, C. Cicalo, P. Martins, P. Rosinsky, A. Devaux, M. Keil, J. Castor, S. Damjanovic, Alberto Masoni, Roberta Arnaldi, Wen-Chang Chen, P. Pillot, G. L. Usai, Joao Seixas, T. Poghosyan, Raphael Noel Tieulent, A. Förster, K. Banicz, P. Force, Michele Floris, Chiara Oppedisano, A. David, Ruben Shahoyan, P. Sonderegger, H. J. Specht, A. Guichard, J. M. Heuser, Enrico Scomparin, E. Radermacher, Laurent Ducroux, and K. Borer

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, Large Hadron Collider, Meson production, 010308 nuclear & particles physics, Nuclear Theory, Order (ring theory), 01 natural sciences, 0103 physical sciences, Transverse momentum, High Energy Physics::Experiment, Production (computer science), Rapidity, Nuclear Experiment, 010306 general physics
Abstract

NA60 measured dimuon production in p-A and In-In collisions at the CERN SPS. This paper presents a high statistics measurement of $\phi$ meson production in In-In collisions at 158 AGeV. Both the transverse momentum, rapidity, decay angular distributions and the absolute yield were measured as a function of centrality. The results are compared to previous measurements in order to shed light on the long standing $\phi$ puzzle. In addition, highlights on $\eta$ meson production and on the dimuon excess below the J/$\psi$ mass are presented.

Published
2009
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