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6 results on '"J-L. Narjoux"'

1. The DIRC detector at Babar

Author

G. W. London, J. Schwiening, G. Wormser, B. T. Meadows, R. Aleksan, D. Imbault, M. Benkebil, Robert Wilson, D. Breton, K. Truong, M. Karolak, S. Dardin, C. Yeche, R. W. Kadel, M. Benayoun, D. McShurley, R. Reif, M. Sokoloff, O. Hamon, F. Gastaldi, R. Cizeron, P. Stiles, G. Vasileiadis, J.-M. Noppe, Robert Stone, R. Malchow, A. Gaidot, M. Pripstein, B. Zhang, Johann Cohen-Tanugi, C. Beigbeder, A. Valassi, S. W. K. Emery, S. Sen, W.A. Wenzel, D. Warner, J. Va'vra, L. Del Buono, M. Kalelkar, A. de Lesquen, V.G. Shelkov, G. Fouque, M. Doser, P. Bailly, A. Lu, H. Krueger, L. Gosset, A. Hoecker, J. Chauveau, J. L. Narjoux, W. H. Toki, Daniel E. Hale, T.L. Geld, G. Mancinelli, D. Oshatz, C. Renard, P. Micout, X. Sarazin, C. De La Vaissiere, J.F. Genat, A. A. Salnikov, J. Rasson, A. M. Lutz, H. Lebbolo, T. Weber, Dominik Müller, Marie Helene Schune, S. J. Yellin, G. Hamel de Monchenault, H. Briand, Stéphane Plaszczynski, Stefan M Spanier, M. Verderi, B. N. Ratcliff, J. A. Kadyk, G. Vasseur, G. De Domenico, F. Le Diberder, Lydia Roos, M. McCulloch, D Brown, M. Zito, I. Adam, G. Oxoby, P. Matricon, J. Lory, P. Bourgeois, M. Long, D. Aston, G. Lynch, M. E. Convery, P. David, R.J. Plano, H. Staengle, G. R. Bonneaud, Ph Leruste, B. Mayer, E. Roussot, S. Versille, Ch Thiebaux, H. Kawahara, Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Leprince-Ringuet (LLR), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), and BABAR

Subjects
Physics, Nuclear and High Energy Physics, 010308 nuclear & particles physics, business.industry, Detector, Particle accelerator, Status report, 01 natural sciences, 7. Clean energy, Particle identification, Particle detector, law.invention, B-factory, Nuclear physics, Optics, Beamline, law, 0103 physical sciences, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], 010306 general physics, business, Instrumentation, Cherenkov radiation
Abstract

A dedicated particle identification system based on the Detection of Internally Reflected Cherenkov (DIRC) light will be used in the BaBar detector. We provide an overview of the DIRC concept, design, and expected performance of the production device and a status report on its construction and commissioning. The DIRC is expected to be operating in the BaBar detector on beam line at the PEP-II B Factory in late spring 1999.

Published
1999

2. Hyperon production in proton-sulphur collisions at 200 GeV/c

Author

E. Andersen, M. Sené, J. L. Narjoux, Håvard Helstrup, B. De La Cruz, A. V. Singovsky, J. C. Lassalle, B. R. French, M. Morando, David H. Evans, V. Lenti, B. Ghidini, Ph. Leruste, J. Ftacnik, N. Carrer, L. Sandor, Domenico Di Bari, F. Pellegrini, F. Navach, R.A. Loconsole, R. Lietava, A.K. Holme, Alberto Andrighetto, W. Beusch, Karel Safarik, A. Jacholkowski, A. Kirk, K.L. Norman, V. A. Katchanov, M. Benayoun, J. Urban, K. Knudson, P. Ladron de Guevara, A. Abatzis, J. N. Carney, G. Løvhøiden, Davide Elia, Federico Antinori, J. Bohm, J. Kahane, M. Venables, K. Fanebust, G. Vasileiadis, J. P. Davies, P. Sennels, J.B. Kinson, M.F. Votruba, A. C. Bayes, O. Villalobos Baillie, K. Kralik, A. Volte, R. A. Ricci, R. Sené, Vito Manzari, R A. Fini, G.F. Segato, E. Quercigh, T.F. Thorsteinsen, Petr Zavada, Physique Corpusculaire et Cosmologie - Collège de France (PCC), Collège de France (CdF (institution))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and WA94

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, Antiparticle, Proton, 010308 nuclear & particles physics, Hadron, Hyperon, chemistry.chemical_element, 01 natural sciences, 7. Clean energy, Sulfur, Spectral line, Nuclear physics, chemistry, [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], 0103 physical sciences, Particle, Transverse mass, 010306 general physics, Nuclear Experiment, Particle Physics - Experiment
Abstract

The WA94 experiment uses the production of strange particles and antiparticles to investigate the properties of hot hadronic matter created in heavy-ion interactions. Λ, Λ , Ξ− and Ξ + particle yields and transverse mass spectra are presented for pS interactions. These results are compared with those from SS interactions. Our results are also compared with those from pW and SW interactions of the WA85 experiment.

Published
1997
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3. First results from the 1994 lead beam run of WA97

Author

J.A. Lien, K. Fanebust, M. Dameri, M.A. Mazzoni, Federico Antinori, Erik H.M. Heijne, Leonardo Paolo Rossi, Anton Jusko, Ivan Kralik, B. R. French, Franco Meddi, P. Farthouat, T. Scognetti, Håvard Helstrup, A. Di Mauro, L. Lopez, S. Saladino, G. Vassiliadis, N. Carrer, S. Sclmane, J. Stastny, Alberto Andrighetto, S. Di Liberto, T. Virgili, A.K. Holme, M.E. Michalon-Mentzer, P. Middelkamp, H. Beker, A. Kirk, A. Volte, Jozef Urban, Paolo Martinengo, A. Pallares, S. Szafran, B. Pastirčák, Giovanni Darbo, R. Lietava, R. Sené, S. Simone, A. C. Bayes, A. Singovski, R. A. Fini, N. Armenise, C. Gemme, E. Chesi, A. Diaczek, M. T. Muciaccia, B. Sopko, V. Khodyrev, F. Pellegrini, Eugenio Cantatore, G. Romano, A. Michalon, Vito Manzari, L. Sandor, K.L. Norman, O. Villalobos Baillie, R. Blaes, Petr Zavada, B. Ghidini, R. A. Ricci, T. Reitan, G. Alexeev, J. Bán, A. Jacholkowski, E. Andersen, F. Navach, J.B. Kinson, H. Vettunen, J L. Reister, M. Morando, Ph. Leruste, I. Mácha, J. Sahagun Pareja, Dario Barberis, David H. Evans, P. Jovanovic, R. Fang, P. Sennels, B. Osculati, J. C. Lassalle, W. Geist, M. G. Catanesi, M. Sené, J. P. Davies, K. Knudson, H. Rotscheidt, T.F. Thorsteinsen, V.A. Kachanov, J. N. Carney, Gunnar Løvhøiden, F. Posa, M. Luptak, G.F. Segato, M. Vaníčková, W. Beusch, T. Kachelhoffer, Pavel Staroba, E. Quercigh, A. Inyakin, M. Benayoun, M. Pairat, Michael Campbell, D. Di Bari, J. L. Narjoux, J. Bohm, G. Grella, Michele Guida, J. Kahane, V. Lenti, T. Storaas, P. Shagin, C. Voltolini, J.M. Brom, K. Piska, J. P. Dufey, D. Elia, G. Tomasicchio, M.F. Votruba, W. Klempt, G. Rosa, Eugenio Nappi, Karel Safarik, Physique Corpusculaire et Cosmologie - Collège de France (PCC), Collège de France (CdF (institution))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), Heyd, Yvette, and Collège de France (CdF)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Physics, Nuclear and High Energy Physics, Silicon pixel detectors, Silicon, Physics::Instrumentation and Detectors, 010308 nuclear & particles physics, Nuclear Theory, chemistry.chemical_element, 01 natural sciences, law.invention, Nuclear physics, Baryon, Telescope, Lead (geology), chemistry, law, 0103 physical sciences, Quark Gluon Plasma, Nuclear Experiment, 010306 general physics, Beam (structure)
Abstract

WA97 is designed to study strange and multi-strange baryon and anti-baryon production in 160 A GeV c PbPb collisions at the SPS with a telescope of silicon microdetectors. Four planes of silicon pixel detectors were successfully employed during the 1994 Pb run. A total of 60M central PbPb events were collected. We describe the experimental setup and report on some preliminary results from the off-line analysis.

Published
1995

4. Search for glueballs at high $p_{T}$ in 300 GeV/c $\pi^-$N interactions

Author

M. Sene, I. J. Bloodworth, H. R. Shaylor, B. R. French, B. Ghidini, O. Villalobos Baillie, Giuseppe Zito, I. C. Print, G. Vassiliadis, J.B. Kinson, R. Zitoun, F. Navach, Z. Strachman, W.A. Mitaroff, R. A. Fini, A. Malamant, M.F. Votruba, J. L. Narjoux, W. Beusch, Yves Goldschmidt-Clermont, R. Sené, M. T. Trainor, Gunnar Ingelman, E. Quercigh, M. Benayoun, K. Knudson, J. N. Carney, Roberto Petronzio, Ph. Leruste, V. Lenti, M. Stassinaki, A. Jacholkowski, J. Kahane, Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), and Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, Large Hadron Collider, Spectrometer, 010308 nuclear & particles physics, Glueball, Hadron, chemistry.chemical_element, 01 natural sciences, Omega, Charged particle, Nuclear physics, chemistry, 0103 physical sciences, High Energy Physics::Experiment, Beryllium, Nuclear Experiment, 010306 general physics, Particle Physics - Experiment
Abstract

The production of glueball candidates ι and Θ in hadronic interactions is investigated at high transverse momenta. The data come from a sample of π − interactions at 300 GeV/ c on a beryllium target, obtained at the CERN Omega Spectrometer using a trigger and off-line selection requiring a system of charged particles with p T >2 GeV/ c recoiling against an opposite particle with p T >0.9 GeV/ c . Cross sections are given for known resonances (ϱ 0 , φ, f 0 ) and upper limits for the ι(1440) and Θ(1720). A co mparison is made with recent theoretical calculations.

Published
1987

5. Leading particle distributions in 200 GeV/c p+A interactions

Author

H. J. Hargis, Y. Hayashino, V. Kistiakowsky, Masato Higuchi, Aharon Levy, H. Yuta, H. O. Cohn, H. Z. Huang, S. Noguchi, R. J. Ledoux, M. Widgoff, P. Beilliere, E. L. Hart, T. Bober, K. Hasegawa, E. Galligarich, L. Grodzins, T. Kitagaki, S. Tether, T. Ludlam, J. Grunhaus, A. Rafatian, E.D. Alyea, B. Taft, B. Cole, D. H. Brick, M. Sato, V. Suchorebrow, M. Kalelkar, E. B. Brucker, Yong-Shi Wu, P.F. Jacques, N. Gelfand, K. Abe, Gideon Alexander, Wit Busza, R. I. Hulsizer, T. A. Fuess, J. L. Narjoux, R. Dimarco, R. K. Yamamoto, G. T. Condo, P. C. Trepagnier, J. E. Brau, R. Steiner, C. Castoldi, B. F. Wadsworth, D. Huang, R.J. Plano, L. Introzzi, T. Handler, T. A. J. Frank, T. B. Stoughton, R. Dolfini, Akira Yamaguchi, P. Lutz, M. Badiak, Sergio P Ratti, K. Tamai, Y. Otani, S. G. Steadman, A. H. Rogers, M. Bloomer, Shoji Tanaka, E. Hafen, W. M. Bugg, E. L. Koller, C. Milstene, P. E. Stamer, S. H. Oh, P. Haridas, I. A. Pless, Physique Corpusculaire et Cosmologie - Collège de France (PCC), and Collège de France (CdF (institution))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Nuclear reaction, Physics, [PHYS]Physics [physics], Nuclear and High Energy Physics, Proton, 010308 nuclear & particles physics, Hadron, Nuclear Theory, Elementary particle, 01 natural sciences, Charged particle, Nuclear physics, 0103 physical sciences, Rapidity, Impact parameter, Atomic physics, 010306 general physics, Nucleon, Nuclear Experiment
Abstract

Distributions of the leading positive particle have been measured in collisions of a 200 GeV/ c proton beam with hydrogen, Mg, Ag and Au targets using the FNAL Hybrid Spectrometer. Estimates of the rapidity loss of the projectile have been obtained as a function of the target mass, the multiplicity of negative particles and the number of recoil protons. We obtained a lower limit of the rapidity loss of 2.0±0.2 for central p+Au collisions. The impact parameter dependence of the momenta of the first few leading particles has also been investigated with important implications to estimates of energy densities obtained in central collisions.

Published
1988
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6. Use of silicon microstrip detectors for precise measurement of high momenta

Author

A. Jacholkowski, I. J. Bloodworth, Yves Goldschmidt-Clermont, B. Ghidini, E. Quercigh, A. Malamant, R. Zitoun, M. T. Trainor, O. Villalobos Baillie, J. L. Narjoux, A. Kirk, W. Beusch, R. Sené, T. A. Armstrong, N. G. Redaelli, R. Childs, H. R. Shaylor, M. Benayoun, Giuseppe Zito, M. Sené, M.F. Votruba, F. Navach, B. R. French, Michele Arturo Caponero, J.B. Kinson, G. Vassiliadis, Leonardo Paolo Rossi, Ph. Leruste, J. N. Carney, A. Palano, J. Kahane, V. Lenti, M. Stassinaki, Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), and WA76

Subjects
Physics, Nuclear and High Energy Physics, Large Hadron Collider, Physics::Instrumentation and Detectors, 010308 nuclear & particles physics, business.industry, 01 natural sciences, 7. Clean energy, law.invention, Nuclear physics, Momentum, Telescope, Optics, law, 0103 physical sciences, Calibration, High Energy Physics::Experiment, Detectors and Experimental Techniques, 010306 general physics, business, Instrumentation, Silicon microstrip detectors
Abstract

The WA76 experiment performed at the Ω facility at CERN required a high precision measurement of the forward produced particle whose momentum was close to 300 GeV/c. A telescope made of 12 silicon microstrip detectors has been built and operated for such a purpose.

Published
1989

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