Multiplicity dependence of the pion source in S+A collisions at the CERN SPS

K. Kaimi; H. Bøggild; J. Boissevain; M. Cherney; J. Dodd; S. Esumi; C. W. Fabjan; D. E. Fields; A. Franz; B. Holzer; T. J. Humanic; B. Jacak; R. Jayanti; H. Kalechofsky; T. Kobayashi; Y. Y. Lee; M. Leltchouk; B. Lörstad; N. Maeda; A. Medvedev; A. Miyabayashi; M. Murray; S. Nishimura; E. Noteboom; S. U. Pandey; F. Piuz; V. Polychronakos; M. Potekhin; G. Poulard; A. Sakaguchi; J. Schmidt-Sorensen; J. Simon-Gillo; W. Sondheim; T. Sugitate; J. P. Sullivan; Y. Sumi; H. Van Hecke; W. J. Willis; K. Wolf; N. Xu

doi:10.1007/s002880050507

Multiplicity dependence of the pion source in S+A collisions at the CERN SPS

K. Kaimi, H. Bøggild, J. Boissevain, M. Cherney, J. Dodd, S. Esumi, C. W. Fabjan, D. E. Fields, A. Franz, B. Holzer, T. J. Humanic, B. Jacak, R. Jayanti, H. Kalechofsky, T. Kobayashi, Y. Y. Lee, M. Leltchouk, B. Lörstad, N. Maeda, A. MedvedevA. Miyabayashi, M. Murray, S. Nishimura, E. Noteboom, S. U. Pandey, F. Piuz, V. Polychronakos, M. Potekhin, G. Poulard, A. Sakaguchi, J. Schmidt-Sorensen, J. Simon-Gillo, W. Sondheim, T. Sugitate, J. P. Sullivan, Y. Sumi, H. Van Hecke, W. J. Willis, K. Wolf, N. Xu

Department of Physics

Research output: Contribution to journal › Article

17 Scopus citations

Abstract

The emission of pions from relativistic heavy-ion collisions of S+S, S+Ag and S+Pb at 200 GeV/nucleon is characterized using two-particle interferometry. The multiplicity dependence of the pion source parameters near mid-rapidity is studied. The transversal (R_t) and longitudinal (H_l) pion source parameters are independent of the initial nuclei in the interaction and increase with increasing multiplicity. This suggests that the freeze-out process is governed mainly by the particle multiplicity. The multiplicity dependence is weaker than that expected from a simple model of a freeze-out at a constant density.

Original language	English (US)
Pages (from-to)	619-625
Number of pages	7
Journal	Zeitschrift fur Physik C-Particles and Fields
Volume	75
Issue number	4
DOIs	https://doi.org/10.1007/s002880050507
State	Published - Aug 1997

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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Kaimi, K., Bøggild, H., Boissevain, J., Cherney, M., Dodd, J., Esumi, S., Fabjan, C. W., Fields, D. E., Franz, A., Holzer, B., Humanic, T. J., Jacak, B., Jayanti, R., Kalechofsky, H., Kobayashi, T., Lee, Y. Y., Leltchouk, M., Lörstad, B., Maeda, N., ... Xu, N. (1997). Multiplicity dependence of the pion source in S+A collisions at the CERN SPS. Zeitschrift fur Physik C-Particles and Fields, 75(4), 619-625. https://doi.org/10.1007/s002880050507

Multiplicity dependence of the pion source in S+A collisions at the CERN SPS. / Kaimi, K.; Bøggild, H.; Boissevain, J.; Cherney, M.; Dodd, J.; Esumi, S.; Fabjan, C. W.; Fields, D. E.; Franz, A.; Holzer, B.; Humanic, T. J.; Jacak, B.; Jayanti, R.; Kalechofsky, H.; Kobayashi, T.; Lee, Y. Y.; Leltchouk, M.; Lörstad, B.; Maeda, N.; Medvedev, A.; Miyabayashi, A.; Murray, M.; Nishimura, S.; Noteboom, E.; Pandey, S. U.; Piuz, F.; Polychronakos, V.; Potekhin, M.; Poulard, G.; Sakaguchi, A.; Schmidt-Sorensen, J.; Simon-Gillo, J.; Sondheim, W.; Sugitate, T.; Sullivan, J. P.; Sumi, Y.; Van Hecke, H.; Willis, W. J.; Wolf, K.; Xu, N.

In: Zeitschrift fur Physik C-Particles and Fields, Vol. 75, No. 4, 08.1997, p. 619-625.

Research output: Contribution to journal › Article

Kaimi, K, Bøggild, H, Boissevain, J, Cherney, M, Dodd, J, Esumi, S, Fabjan, CW, Fields, DE, Franz, A, Holzer, B, Humanic, TJ, Jacak, B, Jayanti, R, Kalechofsky, H, Kobayashi, T, Lee, YY, Leltchouk, M, Lörstad, B, Maeda, N, Medvedev, A, Miyabayashi, A, Murray, M, Nishimura, S, Noteboom, E, Pandey, SU, Piuz, F, Polychronakos, V, Potekhin, M, Poulard, G, Sakaguchi, A, Schmidt-Sorensen, J, Simon-Gillo, J, Sondheim, W, Sugitate, T, Sullivan, JP, Sumi, Y, Van Hecke, H, Willis, WJ, Wolf, K & Xu, N 1997, 'Multiplicity dependence of the pion source in S+A collisions at the CERN SPS', Zeitschrift fur Physik C-Particles and Fields, vol. 75, no. 4, pp. 619-625. https://doi.org/10.1007/s002880050507

Kaimi, K. ; Bøggild, H. ; Boissevain, J. ; Cherney, M. ; Dodd, J. ; Esumi, S. ; Fabjan, C. W. ; Fields, D. E. ; Franz, A. ; Holzer, B. ; Humanic, T. J. ; Jacak, B. ; Jayanti, R. ; Kalechofsky, H. ; Kobayashi, T. ; Lee, Y. Y. ; Leltchouk, M. ; Lörstad, B. ; Maeda, N. ; Medvedev, A. ; Miyabayashi, A. ; Murray, M. ; Nishimura, S. ; Noteboom, E. ; Pandey, S. U. ; Piuz, F. ; Polychronakos, V. ; Potekhin, M. ; Poulard, G. ; Sakaguchi, A. ; Schmidt-Sorensen, J. ; Simon-Gillo, J. ; Sondheim, W. ; Sugitate, T. ; Sullivan, J. P. ; Sumi, Y. ; Van Hecke, H. ; Willis, W. J. ; Wolf, K. ; Xu, N. / Multiplicity dependence of the pion source in S+A collisions at the CERN SPS. In: Zeitschrift fur Physik C-Particles and Fields. 1997 ; Vol. 75, No. 4. pp. 619-625.

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title = "Multiplicity dependence of the pion source in S+A collisions at the CERN SPS",

abstract = "The emission of pions from relativistic heavy-ion collisions of S+S, S+Ag and S+Pb at 200 GeV/nucleon is characterized using two-particle interferometry. The multiplicity dependence of the pion source parameters near mid-rapidity is studied. The transversal (Rt) and longitudinal (Hl) pion source parameters are independent of the initial nuclei in the interaction and increase with increasing multiplicity. This suggests that the freeze-out process is governed mainly by the particle multiplicity. The multiplicity dependence is weaker than that expected from a simple model of a freeze-out at a constant density.",

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T1 - Multiplicity dependence of the pion source in S+A collisions at the CERN SPS

AU - Kaimi, K.

AU - Bøggild, H.

AU - Boissevain, J.

AU - Cherney, M.

AU - Dodd, J.

AU - Esumi, S.

AU - Fabjan, C. W.

AU - Fields, D. E.

AU - Franz, A.

AU - Holzer, B.

AU - Humanic, T. J.

AU - Jacak, B.

AU - Jayanti, R.

AU - Kalechofsky, H.

AU - Kobayashi, T.

AU - Lee, Y. Y.

AU - Leltchouk, M.

AU - Lörstad, B.

AU - Maeda, N.

AU - Medvedev, A.

AU - Miyabayashi, A.

AU - Murray, M.

AU - Nishimura, S.

AU - Noteboom, E.

AU - Pandey, S. U.

AU - Piuz, F.

AU - Polychronakos, V.

AU - Potekhin, M.

AU - Poulard, G.

AU - Sakaguchi, A.

AU - Schmidt-Sorensen, J.

AU - Simon-Gillo, J.

AU - Sondheim, W.

AU - Sugitate, T.

AU - Sullivan, J. P.

AU - Sumi, Y.

AU - Van Hecke, H.

AU - Willis, W. J.

AU - Wolf, K.

AU - Xu, N.

PY - 1997/8

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