Exclusive measurements of mean pion multiplicities in 4He-nucleus reactions from 200 to 800 MeV/nucleon

D. L'Hote, J. P. Alard, J. Augerat, R. Babinet, F. Brochard, Z. Fodor, L. Fraysse, J. Girard, P. Gorodetzky, J. Gosset, C. Laspalles, M. C. Lemaire, B. Lucas, G. Montarou, M. J. Parizet, J. Poitou, C. Racca, W. Schimmerling, J. C. Tamain, Y. Terrien & 3 others J. Valero, J. Cugnon, J. Vandermeulen

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Abstract

Mean multiplicities of π+ and π- 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 dependence 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.

Original languageEnglish
Pages (from-to)139-142
Number of pages4
JournalPhysics Letters B
Volume198
Issue number2
DOIs
Publication statusPublished - Nov 19 1987

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projectiles
cascades
pions
nuclei
collisions
protons
detectors
predictions
energy

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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Exclusive measurements of mean pion multiplicities in 4He-nucleus reactions from 200 to 800 MeV/nucleon. / L'Hote, D.; Alard, J. P.; Augerat, J.; Babinet, R.; Brochard, F.; Fodor, Z.; Fraysse, L.; Girard, J.; Gorodetzky, P.; Gosset, J.; Laspalles, C.; Lemaire, M. C.; Lucas, B.; Montarou, G.; Parizet, M. J.; Poitou, J.; Racca, C.; Schimmerling, W.; Tamain, J. C.; Terrien, Y.; Valero, J.; Cugnon, J.; Vandermeulen, J.

In: Physics Letters B, Vol. 198, No. 2, 19.11.1987, p. 139-142.

Research output: Contribution to journalArticle

L'Hote, 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 1987, 'Exclusive measurements of mean pion multiplicities in 4He-nucleus reactions from 200 to 800 MeV/nucleon', Physics Letters B, vol. 198, no. 2, pp. 139-142. https://doi.org/10.1016/0370-2693(87)91484-5
L'Hote, D. ; Alard, J. P. ; Augerat, J. ; Babinet, R. ; Brochard, F. ; Fodor, Z. ; Fraysse, L. ; Girard, J. ; Gorodetzky, P. ; Gosset, J. ; Laspalles, C. ; Lemaire, M. C. ; Lucas, B. ; Montarou, G. ; Parizet, M. J. ; Poitou, J. ; Racca, C. ; Schimmerling, W. ; Tamain, J. C. ; Terrien, Y. ; Valero, J. ; Cugnon, J. ; Vandermeulen, J. / Exclusive measurements of mean pion multiplicities in 4He-nucleus reactions from 200 to 800 MeV/nucleon. In: Physics Letters B. 1987 ; Vol. 198, No. 2. pp. 139-142.
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abstract = "Mean multiplicities of π+ and π- 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 dependence 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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T1 - Exclusive measurements of mean pion multiplicities in 4He-nucleus reactions from 200 to 800 MeV/nucleon

AU - L'Hote, D.

AU - Alard, J. P.

AU - Augerat, J.

AU - Babinet, R.

AU - Brochard, F.

AU - Fodor, Z.

AU - Fraysse, L.

AU - Girard, J.

AU - Gorodetzky, P.

AU - Gosset, J.

AU - Laspalles, C.

AU - Lemaire, M. C.

AU - Lucas, B.

AU - Montarou, G.

AU - Parizet, M. J.

AU - Poitou, J.

AU - Racca, C.

AU - Schimmerling, W.

AU - Tamain, J. C.

AU - Terrien, Y.

AU - Valero, J.

AU - Cugnon, J.

AU - Vandermeulen, J.

PY - 1987/11/19

Y1 - 1987/11/19

N2 - Mean multiplicities of π+ and π- 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 dependence 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.

AB - Mean multiplicities of π+ and π- 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 dependence 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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JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

SN - 0370-2693

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