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6 results on '"J.C. Raoul"'

1. Apparatus for two-body scattering experiments at 6 and 12 GeV/c with the CERN polarized deuteron target

Author

F. Langlois, J.C. Raoul, M. Fujisaki, J. Bystricky, A. Gaidot, A. de Lesquen, F. Lehar, G. Souchere, L. van Rossum, M. Babou, C. F. Hwang, Y. Ducros, G. Cozzika, T. Dobrowolski, A. Itano, and C. Bruneton

Subjects
Physics, Particle physics, Large Hadron Collider, Meson, Physics::Instrumentation and Detectors, Scattering, Hadron, General Medicine, Polarization (waves), Particle detector, Nuclear physics, Deuterium, High Energy Physics::Experiment, Nuclear Experiment, Nucleon
Abstract

An apparatus was built for an experiment with the CERN polarized deuteron target measuring the polarization in K + n ↑ → K ° p . The detectors and the available acquisition capacity were simultaneously used to take data on several other reactions.

Published
1979

2. Polarization measurement in pion-nucleon charge exchange π+n ↑ → π0p at 6GeV/c

Author

G. Cozzika, A. Itano, T. Dobrowolski, C. F. Hwang, A. Gaidot, F. Lehar, J.C. Raoul, M. Fujisaki, Y. Ducros, J. Bystricky, A. de Lesquen, L. van Rossum, G. Souchere, M. Babou, and F. Khantine-Langlois

Subjects
Nuclear physics, Recoil proton, Physics, Recoil, Pion, Nuclear Theory, High Energy Physics::Experiment, Neutron, Atomic physics, Nuclear Experiment, Polarization (waves), Nucleon, Charge exchange
Abstract

The polarization in pion-nucleon charge exchange was measured at 6 GeV/c incident momentum for 0.1 (GeV/c)2 < |t| < 1.6 (GeV/c)2. Using the channel π+ n ↑ → π0p allowed precise measurement of the recoil proton for good rejection of inelastic events. The results are compared with previous experiments using channel π−p ↑ with or without detection of the recoil neutron.

Published
1988

3. Polarization measurements in π−p, K−p and p¯p elastic scattering at 40 GeV/c

Author

S.B. Nurushev, J.C. Raoul, Y. Ducross, J. Pierrard, B. Khatchaturov, I.K. Potashnikova, A. P. Meschanin, A. Saraykin, L. van Rossum, V.P. Kanavets, F. Khantine-Langlois, J. Deregel, S. Miyashita, A. de Lesquen, C. Bruneton, J. Movchet, A. Gaidot, Yu A. Matulenko, A. A. Derevschikov, M.Yu. Kazarinov, G. Cozzika, V.V. Siksin, J. Bystricky, Yu.M. Kazarinov, V. Solovyanov, F. Lehar, E.V. Smirnov, J. Strakhota, and J.P. Merlo

Subjects
Baryon, Nuclear physics, Physics, Elastic scattering, Nuclear and High Energy Physics, Pomeron, Scattering, Antiproton, Hadron, High Energy Physics::Experiment, Nucleon, Helicity
Abstract

We report final results on the polarization parameter P in elastic scattering of π − , K − and antiprotons at 40 GeV/ c incident momentum. The energy dependence of P (t) in π − p above 10 GeV/ c is well fitted by P (t) α s αR(t)-α P (t) where α R (t) are the effective Regge and Pomeron trajectories respectively. The data in K − p are compatible with exchange degeneracy. The results inp¯p show an important structure for |t|> 0.3 (GeV/c) 2 demonstrating the existence of a large helicity flip amplitude.

Published
1975

4. Elastic scattering of AT 39 AND 44.5 GeV/c

Author

E.V. Smirnov, L. van Rossum, S.B. Nurushev, J.P. Merlo, A. de Lesquen, J. Strachota, B. Khatchaturov, V.P. Kanavets, J. Movchet, J.C. Raoul, C. Bruneton, V.V. Siksin, A. Gaidot, Yu A. Matulenko, A. P. Meschanin, A. Saraykin, F. Khantine-Langlois, V. Solovyanov, J. Deregel, J. Bystricky, A. A. Derevschikov, F. Lehar, S. Miyashita, Y. Ducros, G. Cozzika, and M.Yu. Kazarinov

Subjects
Physics, Baryon, Elastic scattering, Nuclear and High Energy Physics, Antiparticle, Scattering, Antiproton, Hadron, Momentum transfer, Analytical chemistry, Nucleon
Abstract

The differential cross sections for elastic π − p, K − p , p p and π + p, pp scattering at 39 and 44.5 GeV/c, respectively, have been measured in the interval of momentum transfer squared 0.15 ≤ ovbt| ≤ 2 (GeV/c)2.

Published
1977

5. Measurements of the spin rotation parameter R in pp and π+p elastic scattering at 45 GeV/c

Author

C. Bruneton, Y. Ducros, A. P. Meschanin, V.V. Siksin, A. Saraykin, A. Gaidot, L. van Rossum, G. Cozzika, E.V. Smirnov, S. Miyashita, Yu A. Matulenko, F. Khantine-Langlois, S.B. Nurushev, J. Bystricky, A. A. Derevschikov, J. Movchet, F. Lehar, A. de Lesquen, Yu.M. Kazarinov, V. Solovyanov, J. Pierrard, I.K. Potashnikova, J. Strakhota, J.C. Raoul, J.P. Merlo, B. Khatchaturov, J. Deregel, V.P. Kanavets, and M.Yu. Kazarinov

Subjects
Elastic scattering, Physics, Nuclear and High Energy Physics, Scattering, Nuclear Theory, Hadron, Nuclear physics, Scattering amplitude, Pomeron, Pion, High Energy Physics::Experiment, Nuclear Experiment, Nucleon, Spin-½
Abstract

The spin rotation sf R in pp and π + p elastic scattering at 45 GeV/c has been measured at the Seppukhov accelarator, for z . sfnc ; t |; ranging from 0.2 to 0.5 (GeV/) 2 . The results are presented, together with previous R measurements at lower energies. The equality of the values for R in proton-proton and pion-proton scattering, within the experimental errors, is a test of factorization of the residues in the pomeron exchange.

Published
1976

6. Polarization measurements in K+n charge exchange at 6 and 12 GeV/c

Author

J.C. Raoul, A. Gaidot, F. Lehar, Y. Ducros, G. Cozzika, A. de Lesquen, L. van Rossum, T. Dobrowolski, C. F. Hwang, J. Bystricky, G. Souchere, A. Itano, M. Babou, F. Khantine-Langlois, and M. Fujisaki

Subjects
Physics, Nuclear and High Energy Physics, Meson, Hadron, Elementary particle, Polarization (waves), Charged particle, Baryon, Nuclear physics, Pion, Pair production, Deuterium, Atomic physics, Nucleon, Boson
Abstract

The polarization in K+n↑ → K0p has been measured at 6 and 12 GeV/c in the interval 0.1 < |t| < 1.0 using a polarized deuteron target. The results are compared to predictions from SU(3), exchange degeneracy (EXD) and line reserval, and from various phenomenological models.

Published
1978

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