Bose-Einstein correlations for pions produced in p p collisions at 360 GeV/c

J. L. Bailly, C. Caso, Y. Chiba, H. Dibon, B. Epp, A. Ferrando, F. Fontanelli, S. N. Ganguli, T. Gémesy, A. Gurtu, R. Hamatsu, P. Hidas, T. Hirose, J. Hrubec, Yu Ivanyshenkov, T. Kageya, N. Khalatyan, E. Kistenev, I. Kita, S. KitamuraV. Kubik, J. MacNaughton, P. K. Malhotra, S. Matsumoto, I. S. Mittra, L. Montanet, G. Neuhofer, G. Pinter, P. Porth, R. Raghavan, T. Rodrigo, J. Singh, S. Squarcia, K. Takahashi, R. Tanaka, L. A. Tikhonova, U. Trevisan, T. Yamagata, G. Zholobov, S. A. Zotkin

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Abstract

Correlations among identically charged pions were measured for pions produced in p p collisions at 360 GeV/c using the EHS spectrometer. The effective radius for pion production was determined to be 1.02±0.20 fm with a chaoticity factor 0.32±0.08. We attempted to obtain the radii in the directions parallel and perpendicular to the beam axis and found no difference between them. No multiplicity dependence of the radius was observed at this energy. A peak near zero in the four momentum transfer distribution showed significant deviation from a single Gaussian. The results of an analysis of the three like pion enhancement were consistent with those for two pions.

Original languageEnglish
Pages (from-to)341-348
Number of pages8
JournalZeitschrift für Physik C Particles and Fields
Volume43
Issue number3
DOIs
Publication statusPublished - Sep 1 1989

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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    Bailly, J. L., Caso, C., Chiba, Y., Dibon, H., Epp, B., Ferrando, A., Fontanelli, F., Ganguli, S. N., Gémesy, T., Gurtu, A., Hamatsu, R., Hidas, P., Hirose, T., Hrubec, J., Ivanyshenkov, Y., Kageya, T., Khalatyan, N., Kistenev, E., Kita, I., ... Zotkin, S. A. (1989). Bose-Einstein correlations for pions produced in p p collisions at 360 GeV/c. Zeitschrift für Physik C Particles and Fields, 43(3), 341-348. https://doi.org/10.1007/BF01506529