Pion freeze-out time in Pb plus Pb collisions at 158 AGeV/c studied via pi(-)/pi(+) and K-/K+ ratios

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Aggarwal, M. M. (author)

Pion freeze-out time in Pb plus Pb collisions at 158 AGeV/c studied via pi(-)/pi(+) and K-/K+ ratios

Article/chapterEnglish2006

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2006-11-07
Springer Science and Business Media LLC,2006

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LIBRIS-ID:oai:lup.lub.lu.se:ed32560c-7392-4788-b450-0477493ff2bf
https://lup.lub.lu.se/record/689045URI
https://doi.org/10.1140/epjc/s10052-006-0081-xDOI

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Language:English
Summary in:English

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SwePubSwePub

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Subject category:art swepub-publicationtype
Subject category:ref swepub-contenttype

Notes

The effect of the final state Coulomb interaction on particles produced in Pb + Pb collisions at 158AGeV/c has been investigated in the WA98 experiment through the study of the pi(-)/pi(+) and K-/K+ ratios measured as a function of T-m- (m)0. While the ratio for kaons shows no significant T-m dependence, the pi(-)/pi(+) ratio is enhanced at small T-m - (m)0 values with an enhancement that increases with centrality. A silicon pad detector located near the target is used to estimate the contribution of hyperon decays to the pi(-)/pi(+) ratio. The comparison of results with predictions of the RQMD model in which the Coulomb interaction has been incorporated allows to place constraints on the time of the pion freeze-out.

Subject headings and genre

NATURVETENSKAP Fysik Subatomär fysik hsv//swe
NATURAL SCIENCES Physical Sciences Subatomic Physics hsv//eng

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Ahammed, Z. (author)
Angelis, A. L. S. (author)
Antonenko, V. (author)
Arefiev, V. (author)
Astakhov, V. (author)
Avdeitchikov, V. (author)
Awes, T. C. (author)
Baba, P. V. K. S. (author)
Badyal, S. K. (author)
Bathe, S. (author)
Batiounia, B. (author)
Bernier, T. (author)
Bhalla, K. B. (author)
Bhatia, V. S. (author)
Blume, C. (author)
Bucher, D. (author)
Buesching, H. (author)
Carlén, LarsLund University,Lunds universitet,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)kosu-lca (author)
Chattopadhyay, S. (author)
Decowski, M. P. (author)
Delagrange, H. (author)
Donni, P. (author)
Majumdar, M. R. Dutta (author)
El Chenawi, K. (author)
Dubey, A. K. (author)
Enosawa, K. (author)
Fokin, S. (author)
Frolov, V. (author)
Ganti, M. S. (author)
Garpman, StenLund University,Lunds universitet,Partikel- och kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Particle and nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)kosu-sga (author)
Gavrishchuk, O. (author)
Geurts, F. J. M. (author)
Ghosh, T. K. (author)
Glasow, R. (author)
Guskov, B. (author)
Gustafsson, Hans-ÅkeLund University,Lunds universitet,Partikel- och kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Particle and nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)kosu-hgu (author)
Gutbrod, H. H. (author)
Hrivnacova, I. (author)
Ippolitov, M. (author)
Kalechofsky, H. (author)
Kamermans, R. (author)
Karadjev, K. (author)
Karpio, K. (author)
Kolb, B. W. (author)
Kosarev, I. (author)
Koutcheryaev, I. (author)
Kugler, A. (author)
Kulinich, P. (author)
Kurata, M. (author)
Lebedev, A. (author)
Lohner, H. (author)
Luquin, L. (author)
Mahapatra, D. P. (author)
Manko, V. (author)
Martin, M. (author)
Martinez, G. (author)
Maximov, A. (author)
Miake, Y. (author)
Mishra, G. C. (author)
Mohanty, B. (author)
Mora, M.-J. (author)
Morrison, D. (author)
Mukhanova, T. (author)
Mukhopadhyay, D. S. (author)
Naef, H. (author)
Nandi, B. K. (author)
Nayak, S. K. (author)
Nayak, T. K. (author)
Nianine, A. (author)
Nikitine, V. (author)
Nikolaev, S. (author)
Nilsson, PålLund University,Lunds universitet,Partikel- och kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Particle and nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)kosu-pni (author)
Nishimura, S. (author)
Nomokonov, P. (author)
Nystrand, JoakimLund University,Lunds universitet,Partikel- och kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Particle and nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)kosu-jny (author)
Oskarsson, AndersLund University,Lunds universitet,Partikel- och kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Particle and nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)kosu-aos (author)
Otterlund, IngvarLund University,Lunds universitet,Partikel- och kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Particle and nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)kosu-iot (author)
Pavliouk, S. (author)
Peitzmann, T. (author)
Peressounko, D. (author)
Petracek, V. (author)
Phatak, S. C. (author)
Pinganaud, W. (author)
Plasil, F. (author)
Purschke, M. L. (author)
Rak, J. (author)
Raniwala, R. (author)
Raniwala, S. (author)
Rao, N. K. (author)
Retiere, F. (author)
Reygers, K. (author)
Roland, G. (author)
Rosselet, L. (author)
Roufanov, I. (author)
Roy, C. (author)
Rubio, J. M. (author)
Sambyal, S. S. (author)
Santo, R. (author)
Sato, S. (author)
Schlagheck, H. (author)
Schmidt, H.-R. (author)
Schutz, Y. (author)
Shabratova, G. (author)
Shah, T. H. (author)
Sibiriak, I. (author)
Siemiarczuk, T. (author)
Silvermyr, DavidLund University,Lunds universitet,Partikel- och kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Particle and nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)kosu-dsi (author)
Sinha, B. C. (author)
Slavine, N. (author)
Söderström, KajLund University,Lunds universitet,Partikel- och kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Particle and nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)kosu-kso (author)
Sood, G. (author)
Sorensen, S. P. (author)
Stankus, P. (author)
Stefanek, G. (author)
Steinberg, P. (author)
Stenlund, EvertLund University,Lunds universitet,Partikel- och kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Particle and nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)kosu-est (author)
Sumbera, M. (author)
Svensson, TomasLund University,Lunds universitet,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)fysi-tsv (author)
Tsvetkov, A. (author)
Tykarski, L. (author)
v. d. Pijll, E. C. (author)
Eijndhoven, N. V. (author)
Nieuwenhuizen, G. J. v. (author)
Vinogradov, A. (author)
Viyogi, Y. P. (author)
Vodopianov, A. (author)
Voeroes, S. (author)
Wyslouch, B. (author)
Young, G. R. (author)
Fysiska institutionenInstitutioner vid LTH (creator_code:org_t)

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In:European Physical Journal C. Particles and Fields: Springer Science and Business Media LLC48:2, s. 343-3521434-6044
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By the author/editor: Aggarwal, M. M.; Ahammed, Z.; Angelis, A. L. S ...; Antonenko, V.; Arefiev, V.; Astakhov, V.; show more...; Avdeitchikov, V.; Awes, T. C.; Baba, P. V. K. S ...; Badyal, S. K.; Bathe, S.; Batiounia, B.; Bernier, T.; Bhalla, K. B.; Bhatia, V. S.; Blume, C.; Bucher, D.; Buesching, H.; Carlén, Lars; Chattopadhyay, S ...; Decowski, M. P.; Delagrange, H.; Donni, P.; Majumdar, M. R. ...; El Chenawi, K.; Dubey, A. K.; Enosawa, K.; Fokin, S.; Frolov, V.; Ganti, M. S.; Garpman, Sten; Gavrishchuk, O.; Geurts, F. J. M.; Ghosh, T. K.; Glasow, R.; Guskov, B.; Gustafsson, Hans ...; Gutbrod, H. H.; Hrivnacova, I.; Ippolitov, M.; Kalechofsky, H.; Kamermans, R.; Karadjev, K.; Karpio, K.; Kolb, B. W.; Kosarev, I.; Koutcheryaev, I.; Kugler, A.; Kulinich, P.; Kurata, M.; Lebedev, A.; Lohner, H.; Luquin, L.; Mahapatra, D. P.; Manko, V.; Martin, M.; Martinez, G.; Maximov, A.; Miake, Y.; Mishra, G. C.; Mohanty, B.; Mora, M.-J.; Morrison, D.; Mukhanova, T.; Mukhopadhyay, D. ...; Naef, H.; Nandi, B. K.; Nayak, S. K.; Nayak, T. K.; Nianine, A.; Nikitine, V.; Nikolaev, S.; Nilsson, Pål; Nishimura, S.; Nomokonov, P.; Nystrand, Joakim; Oskarsson, Ander ...; Otterlund, Ingva ...; Pavliouk, S.; Peitzmann, T.; Peressounko, D.; Petracek, V.; Phatak, S. C.; Pinganaud, W.; Plasil, F.; Purschke, M. L.; Rak, J.; Raniwala, R.; Raniwala, S.; Rao, N. K.; Retiere, F.; Reygers, K.; Roland, G.; Rosselet, L.; Roufanov, I.; Roy, C.; Rubio, J. M.; Sambyal, S. S.; Santo, R.; Sato, S.; Schlagheck, H.; Schmidt, H.-R.; Schutz, Y.; Shabratova, G.; Shah, T. H.; Sibiriak, I.; Siemiarczuk, T.; Silvermyr, David; Sinha, B. C.; Slavine, N.; Söderström, Kaj; Sood, G.; Sorensen, S. P.; Stankus, P.; Stefanek, G.; Steinberg, P.; Stenlund, Evert; Sumbera, M.; Svensson, Tomas; Tsvetkov, A.; Tykarski, L.; v. d. Pijll, E. ...; Eijndhoven, N. V ...; Nieuwenhuizen, G ...; Vinogradov, A.; Viyogi, Y. P.; Vodopianov, A.; Voeroes, S.; Wyslouch, B.; Young, G. R.; show less...

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