Identified pion interferometry in heavy-ion collisions at CERN

H. Bøggild; J. Boissevain; M. Cherney; J. Dodd; J. Downing; S. Esumi; C. W. Fabjan; A. Franz; K. H. Hansen; T. Humanic; T. Ikemoto; B. Jacak; H. Kalechofsky; T. Kobayashi; R. Kvatadze; Y. Y. Lee; M. Leltchouk; B. Lorstad; N. Maeda; Y. Miake; A. Miyabayashi; M. Murray; S. Nagamiya; S. Nishimura; S. U. Pandey; F. Piuz; V. Polychronakos; M. Potekhin; G. Poulard; D. Rahm; J. M. Rieubland; A. Sakaguchi; M. Sarabura; K. Shigaki; J. Simon-Gillo; W. Sondheim; T. Sugitate; J. Sullivan; Y. Sumi; H. Sletten; H. van Hecke; W. J. Willis

doi:10.1016/0370-2693(93)90435-K

Identified pion interferometry in heavy-ion collisions at CERN

H. Bøggild, J. Boissevain, M. Cherney, J. Dodd, J. Downing, S. Esumi, C. W. Fabjan, A. Franz, K. H. Hansen, T. Humanic, T. Ikemoto, B. Jacak, H. Kalechofsky, T. Kobayashi, R. Kvatadze, Y. Y. Lee, M. Leltchouk, B. Lorstad, N. Maeda, Y. MiakeA. Miyabayashi, M. Murray, S. Nagamiya, S. Nishimura, S. U. Pandey, F. Piuz, V. Polychronakos, M. Potekhin, G. Poulard, D. Rahm, J. M. Rieubland, A. Sakaguchi, M. Sarabura, K. Shigaki, J. Simon-Gillo, W. Sondheim, T. Sugitate, J. Sullivan, Y. Sumi, H. Sletten, H. van Hecke, W. J. Willis

Department of Physics

Research output: Contribution to journal › Article › peer-review

56 Scopus citations

Abstract

π⁺π⁺ correlations from S + Pb collisions at 200 GeV/c per nucleon, measured by the focusing spectrometer of the NA44 experiment at CERN, are presented. The large data set, particularly at small values of Q_inv, allows determination of the detailed shape of the correlation function. We construct the background by event mixing, and correct for resolution, Coulomb interaction, and distortion of single-particle spectra which produce effects large compared to the statistical errors at small Q_inv. An exponential, rather than gaussian, source distribution is slightly favoured, but both are statistically acceptable.

Original language	English (US)
Pages (from-to)	510-516
Number of pages	7
Journal	Physics Letters B
Volume	302
Issue number	4
DOIs	https://doi.org/10.1016/0370-2693(93)90435-K
State	Published - Apr 1 1993

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

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10.1016/0370-2693(93)90435-K

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Bøggild, H., Boissevain, J., Cherney, M., Dodd, J., Downing, J., Esumi, S., Fabjan, C. W., Franz, A., Hansen, K. H., Humanic, T., Ikemoto, T., Jacak, B., Kalechofsky, H., Kobayashi, T., Kvatadze, R., Lee, Y. Y., Leltchouk, M., Lorstad, B., Maeda, N., ... Willis, W. J. (1993). Identified pion interferometry in heavy-ion collisions at CERN. Physics Letters B, 302(4), 510-516. https://doi.org/10.1016/0370-2693(93)90435-K

Identified pion interferometry in heavy-ion collisions at CERN. / Bøggild, H.; Boissevain, J.; Cherney, M.; Dodd, J.; Downing, J.; Esumi, S.; Fabjan, C. W.; Franz, A.; Hansen, K. H.; Humanic, T.; Ikemoto, T.; Jacak, B.; Kalechofsky, H.; Kobayashi, T.; Kvatadze, R.; Lee, Y. Y.; Leltchouk, M.; Lorstad, B.; Maeda, N.; Miake, Y.; Miyabayashi, A.; Murray, M.; Nagamiya, S.; Nishimura, S.; Pandey, S. U.; Piuz, F.; Polychronakos, V.; Potekhin, M.; Poulard, G.; Rahm, D.; Rieubland, J. M.; Sakaguchi, A.; Sarabura, M.; Shigaki, K.; Simon-Gillo, J.; Sondheim, W.; Sugitate, T.; Sullivan, J.; Sumi, Y.; Sletten, H.; van Hecke, H.; Willis, W. J.

In: Physics Letters B, Vol. 302, No. 4, 01.04.1993, p. 510-516.

Research output: Contribution to journal › Article › peer-review

Bøggild, H, Boissevain, J, Cherney, M, Dodd, J, Downing, J, Esumi, S, Fabjan, CW, Franz, A, Hansen, KH, Humanic, T, Ikemoto, T, Jacak, B, Kalechofsky, H, Kobayashi, T, Kvatadze, R, Lee, YY, Leltchouk, M, Lorstad, B, Maeda, N, Miake, Y, Miyabayashi, A, Murray, M, Nagamiya, S, Nishimura, S, Pandey, SU, Piuz, F, Polychronakos, V, Potekhin, M, Poulard, G, Rahm, D, Rieubland, JM, Sakaguchi, A, Sarabura, M, Shigaki, K, Simon-Gillo, J, Sondheim, W, Sugitate, T, Sullivan, J, Sumi, Y, Sletten, H, van Hecke, H & Willis, WJ 1993, 'Identified pion interferometry in heavy-ion collisions at CERN', Physics Letters B, vol. 302, no. 4, pp. 510-516. https://doi.org/10.1016/0370-2693(93)90435-K

Bøggild, H. ; Boissevain, J. ; Cherney, M. ; Dodd, J. ; Downing, J. ; Esumi, S. ; Fabjan, C. W. ; Franz, A. ; Hansen, K. H. ; Humanic, T. ; Ikemoto, T. ; Jacak, B. ; Kalechofsky, H. ; Kobayashi, T. ; Kvatadze, R. ; Lee, Y. Y. ; Leltchouk, M. ; Lorstad, B. ; Maeda, N. ; Miake, Y. ; Miyabayashi, A. ; Murray, M. ; Nagamiya, S. ; Nishimura, S. ; Pandey, S. U. ; Piuz, F. ; Polychronakos, V. ; Potekhin, M. ; Poulard, G. ; Rahm, D. ; Rieubland, J. M. ; Sakaguchi, A. ; Sarabura, M. ; Shigaki, K. ; Simon-Gillo, J. ; Sondheim, W. ; Sugitate, T. ; Sullivan, J. ; Sumi, Y. ; Sletten, H. ; van Hecke, H. ; Willis, W. J. / Identified pion interferometry in heavy-ion collisions at CERN. In: Physics Letters B. 1993 ; Vol. 302, No. 4. pp. 510-516.

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title = "Identified pion interferometry in heavy-ion collisions at CERN",

abstract = "π+π+ correlations from S + Pb collisions at 200 GeV/c per nucleon, measured by the focusing spectrometer of the NA44 experiment at CERN, are presented. The large data set, particularly at small values of Qinv, allows determination of the detailed shape of the correlation function. We construct the background by event mixing, and correct for resolution, Coulomb interaction, and distortion of single-particle spectra which produce effects large compared to the statistical errors at small Qinv. An exponential, rather than gaussian, source distribution is slightly favoured, but both are statistically acceptable.",

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AU - Bøggild, H.

AU - Boissevain, J.

AU - Cherney, M.

AU - Dodd, J.

AU - Downing, J.

AU - Esumi, S.

AU - Fabjan, C. W.

AU - Franz, A.

AU - Hansen, K. H.

AU - Humanic, T.

AU - Ikemoto, T.

AU - Jacak, B.

AU - Kalechofsky, H.

AU - Kobayashi, T.

AU - Kvatadze, R.

AU - Lee, Y. Y.

AU - Leltchouk, M.

AU - Lorstad, B.

AU - Maeda, N.

AU - Miake, Y.

AU - Miyabayashi, A.

AU - Murray, M.

AU - Nagamiya, S.

AU - Nishimura, S.

AU - Pandey, S. U.

AU - Piuz, F.

AU - Polychronakos, V.

AU - Potekhin, M.

AU - Poulard, G.

AU - Rahm, D.

AU - Rieubland, J. M.

AU - Sakaguchi, A.

AU - Sarabura, M.

AU - Shigaki, K.

AU - Simon-Gillo, J.

AU - Sondheim, W.

AU - Sugitate, T.

AU - Sullivan, J.

AU - Sumi, Y.

AU - Sletten, H.

AU - van Hecke, H.

AU - Willis, W. J.

PY - 1993/4/1

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N2 - π+π+ correlations from S + Pb collisions at 200 GeV/c per nucleon, measured by the focusing spectrometer of the NA44 experiment at CERN, are presented. The large data set, particularly at small values of Qinv, allows determination of the detailed shape of the correlation function. We construct the background by event mixing, and correct for resolution, Coulomb interaction, and distortion of single-particle spectra which produce effects large compared to the statistical errors at small Qinv. An exponential, rather than gaussian, source distribution is slightly favoured, but both are statistically acceptable.

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