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 › peer-review

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 › peer-review

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.",

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

note = "Funding Information: Acknowledgements. The NA44 Collaboration wishes to thank the staff of the CERN PS-SPS accelerator complex for their excellent work. We thank the technical staff at CERN and the collaborating institutes for their valuable contribution. We are also grateful for the support given by the Science Research Council of Denmark; the Austrian Fond f{\"u}r F{\"o}rderung der Wis-senschaftlichen Forschung through grant P09586; the Japanese Society for the Promotion of Science, and the Ministry of Education, Science and Culture, Japan; the Science Research Council of Sweden; the US Department of Energy; and the National Science Foundation (Nuclear Physics).",

year = "1997",

month = aug,

doi = "10.1007/s002880050507",

language = "English (US)",

volume = "75",

pages = "619--625",

journal = "Zeitschrift fur Physik C-Particles and Fields",

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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.

N1 - Funding Information: Acknowledgements. The NA44 Collaboration wishes to thank the staff of the CERN PS-SPS accelerator complex for their excellent work. We thank the technical staff at CERN and the collaborating institutes for their valuable contribution. We are also grateful for the support given by the Science Research Council of Denmark; the Austrian Fond für Förderung der Wis-senschaftlichen Forschung through grant P09586; the Japanese Society for the Promotion of Science, and the Ministry of Education, Science and Culture, Japan; the Science Research Council of Sweden; the US Department of Energy; and the National Science Foundation (Nuclear Physics).

PY - 1997/8

Y1 - 1997/8

N2 - 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.

AB - 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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JO - Zeitschrift fur Physik C-Particles and Fields

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