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Charged pion production in Au on Au collisions at 1 AGeV The FOPI Collaboration. ACTA ACUST UNITED AC 2014. [DOI: 10.1007/s002180050236] [Citation(s) in RCA: 75] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Montarou G, Marroncle J, Alard JP, Augerat J, Bastid N, Charmensat P, Dupieux P, Fraysse L, Parizet MJ, Rahmani A, Babinet R, Cavata C, Demoulins M, Fanet H, Gosset J, L'Hôte D, Lemaire MC, Lucas B, Poitou J, Valette O, Brochard F, Gorodetzky P, Racca C, Cugnon J. Intranuclear cascade-percolation approach for protons and light fragments production in neon-niobium reactions at 400 and 800 MeV per nucleon. PHYSICAL REVIEW. C, NUCLEAR PHYSICS 1993; 47:2764-2781. [PMID: 9968752 DOI: 10.1103/physrevc.47.2764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Peilert G, Konopka J, Stöcker H, Greiner W, Blann M, Mustafa MG. Dynamical treatment of Fermi motion in a microscopic description of heavy ion collisions. PHYSICAL REVIEW. C, NUCLEAR PHYSICS 1992; 46:1457-1473. [PMID: 9968255 DOI: 10.1103/physrevc.46.1457] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Montarou G, Alard JP, Augerat J, Fraysse L, Parizet MJ, Babinet R, Fodor Z, Girard J, Gosset J, Laspalles C, Lemaire MC, L'Hôte D, Lucas B, Poitou J, Schimmerling W, Terrien Y, Brochard F, Gorodetzky P, Racca C, Cugnon J, Vandermeulen J. Deuteron production in alpha -nucleus collisions from 200 to 800 MeV per nucleon. PHYSICAL REVIEW. C, NUCLEAR PHYSICS 1991; 44:365-383. [PMID: 9967408 DOI: 10.1103/physrevc.44.365] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Lemaire M, Trzaska M, Alard JP, Augerat J, Bachelier D, Bastid N, Boyard J, Cavata C, Charmensat P, Dupieux P, Gorodetzky P, Gosset J, Hennino T, Jourdain J, L'Hôte D, Lucas B, Marroncle J, Montarou G, Parizet M, Poitou J, Qassoud D, Radvanyi P, Ramstein B, Rahmani A, Roy-Stephan M, Valette O, Zupranski P, Cugnon J, Vandermeulen J. Charged-pion production in noninclusive proton-nucleus interactions at 0.8 and 1.6 GeV incident energies. PHYSICAL REVIEW. C, NUCLEAR PHYSICS 1991; 43:2711-2721. [PMID: 9967334 DOI: 10.1103/physrevc.43.2711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Cavata C, Demoulins M, Gosset J, Lemaire M, L'Hôte D, Poitou J, Valette O. Determination of the impact parameter in relativistic nucleus-nucleus collisions. PHYSICAL REVIEW. C, NUCLEAR PHYSICS 1990; 42:1760-1763. [PMID: 9966909 DOI: 10.1103/physrevc.42.1760] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Bastid N, Alard JP, Arnold J, Augerat J, Babinet R, Biagi F, Brochard F, Crouau M, Charmensat P, Dupieux P. Exclusive measurements of light fragment production at forward angles in Ne-Pb and Ne-NaF collisions at E/A=400 MeV and 800 MeV. NUCLEAR PHYSICS. A 1990; 506:637-654. [PMID: 11537190 DOI: 10.1016/0375-9474(90)90207-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Emission of light fragments at small angles is studied in relativistic heavy ion collisions using the Diogene plastic wall for both symmetrical and non-symmetrical target-projectile systems with 400 MeV per nucleon and 800 MeV per nucleon incident neon nuclei. Efficiency of multiplicity measurements in the small angle range for the selection of central or peripheral collisions is confirmed for asymmetric systems. Differential production cross sections of Z = 1 fragments show evidence for the existence of two emitting sources. The apparent temperature of each source is obtained from comparison with a thermodynamical model.
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Affiliation(s)
- N Bastid
- LPC, Clermont Ferrand, Aubière, France
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Dupieux P, Alard JP, Augerat J, Babinet R, Bastid N, Brochard F, Charmensat P, De Marco N, Fanet H, Fodor Z, Fraysse L, Girard J, Gorodetzky P, Gosset J, Laspalles C, Lemaire MC, L'Hôte D, Lucas B, Marroncle J, Montarou G, Parizet MJ, Poitou J, Qassoud D, Racca C, Schimmerling W. Proton-proton correlations at small relative momentum in neon-nucleus collisions at E/A=400 and 800 MeV. PHYSICS LETTERS. [PART B] 1988; 200:17-21. [PMID: 11538998 DOI: 10.1016/0370-2693(88)91101-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Proton-proton small angle correlations have been measured in neon-nucleus collisions, using the 4 pi detector Diogene, at 400 and 800 MeV per nucleon incident energies. Values of the size of the emitting region are obtained by comparison with the Koonin formula, taking into account the biases of the apparatus. The dependence of the density on target mass and incident energy is also analysed.
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L'Hôte D, Alard JP, Augerat J, Babinet R, Brochard F, Fodor Z, Fraysse L, Girard J, Gorodetzky P, Gosset J, Laspalles C, Lemaire MC, Lucas B, Montarou G, Parizet MJ, Poitou J, Racca C, Schimmerling W, Tamain JC, Terrien Y, Valero J, Cugnon J, Vandermeulen J. Exclusive measurements of mean pion multiplicities in 4He-nucleus reactions from 200 to 800 MeV/nucleon. PHYSICS LETTERS. [PART B] 1987; 198:139-142. [PMID: 11538853 DOI: 10.1016/0370-2693(87)91484-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Mean multiplicities of pi+ and pi- in 4He collisions with C, Cu, and Pb at 200, 600, and 800 MeV/u, and with C and Pb at 400 MeV/u have been measured using the large solid angle detector Diogene. The independence of pion multiplicity on projectile incident energy, target mass and proton multiplicity is studied in comparison with intra-nuclear cascade predictions. The discrepancy between experimental results and theory is pointed out and discussed.
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Affiliation(s)
- D L'Hôte
- DPhN, CEN Saclay, Gif sur Yvette, France
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