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. TerrienJ. 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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ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

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., ... Vandermeulen, J. (1987). Exclusive measurements of mean pion multiplicities in 4He-nucleus reactions from 200 to 800 MeV/nucleon. Physics Letters B, 198(2), 139-142. https://doi.org/10.1016/0370-2693(87)91484-5