Abstract
The Δ++-resonance production in central 158 A GeV 208Pb + 208Pb collisions at the CERN SPS has been studied. The Δ++ production was estimated from the invariant mass spectrum of π+-pairs by subtracting a mixed event background. The measured Δ++ abundance is compared with the results from other experiments at lower energies, and with a model calculation assuming thermal and chemical equilibrium. (C) 2000 Elsevier Science B.V.
Original language | English (US) |
---|---|
Pages (from-to) | 37-44 |
Number of pages | 8 |
Journal | Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics |
Volume | 477 |
Issue number | 1-3 |
DOIs | |
State | Published - Mar 23 2000 |
Keywords
- Freeze-out temperature
- Mixed event technique
- Ultra-relativistic heavy ion collisions
- Δ resonance production
ASJC Scopus subject areas
- Nuclear and High Energy Physics
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In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 477, No. 1-3, 23.03.2000, p. 37-44.
Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Δ++ production in 158 A GeV 208Pb + 208Pb interactions at the CERN SPS
AU - Aggarwal, M. M.
AU - Agnihotri, A.
AU - Ahammed, Z.
AU - Angelis, A. L S
AU - Antonenko, V.
AU - Arefiev, V.
AU - Astakhov, V.
AU - Avdeitchikov, V.
AU - Awes, T. C.
AU - Baba, P. V K S
AU - Badyal, S. K.
AU - Baldine, A.
AU - Barabach, L.
AU - Barlag, C.
AU - Bathe, S.
AU - Batiounia, B.
AU - Bernier, T.
AU - Bhalla, K. B.
AU - Bhatia, V. S.
AU - Blume, C.
AU - Bock, R.
AU - Bohne, E. M.
AU - Böröcz, Z.
AU - Bucher, D.
AU - Buijs, A.
AU - Büsching, H.
AU - Carlen, L.
AU - Chalyshev, V.
AU - Chattopadhyay, S.
AU - Cherbatchev, R.
AU - Chujo, T.
AU - Claussen, A.
AU - Das, A. C.
AU - Decowski, M. P.
AU - Delagrange, H.
AU - Djordjadze, V.
AU - Donni, P.
AU - Doubovik, I.
AU - Dutt, S.
AU - Dutta Majumdar, M. R.
AU - El Chenawi, K.
AU - Eliseev, S.
AU - Enosawa, K.
AU - Foka, P.
AU - Fokin, S.
AU - Frolov, V.
AU - Ganti, M. S.
AU - Garpman, S.
AU - Gavrishchuk, O.
AU - Geurts, F. J M
AU - Ghosh, T. K.
AU - Glasow, R.
AU - Gupta, S. K.
AU - Guskov, B.
AU - Gustafsson, H. Å
AU - Gutbrod, H. H.
AU - Higuchi, R.
AU - Hrivnacova, I.
AU - Ippolitov, M.
AU - Kalechofsky, H.
AU - Kamermans, R.
AU - Kampert, K. H.
AU - Karadjev, K.
AU - Karpio, K.
AU - Kato, S.
AU - Kees, S.
AU - Kolb, B. W.
AU - Kosarev, I.
AU - Koutcheryaev, I.
AU - Krümpel, T.
AU - Kugler, A.
AU - Kulinich, P.
AU - Kurata, M.
AU - Kurita, K.
AU - Kuzmin, N.
AU - Langbein, I.
AU - Lebedev, A.
AU - Lee, Y. Y.
AU - Löhner, H.
AU - Luquin, L.
AU - Mahapatra, D. P.
AU - Manko, V.
AU - Martin, M.
AU - Martínez, G.
AU - Maximov, A.
AU - Mehdiyev, R.
AU - Mgebrichvili, G.
AU - Miake, Y.
AU - Mikhalev, D.
AU - Mir, Md F.
AU - Mishra, G. C.
AU - Miyamoto, Y.
AU - Mohanty, B.
AU - Morrison, D.
AU - Mukhopadhyay, D. S.
AU - Myalkovski, V.
AU - Naef, H.
AU - Nandi, B. K.
AU - Nayak, S. K.
AU - Nayak, T. K.
AU - Neumaier, S.
AU - Nianine, A.
AU - Nikitine, V.
AU - Nikolaev, S.
AU - Nilsson, P.
AU - Nishimura, S.
AU - Nomokonov, P.
AU - Nystrand, J.
AU - Obenshain, F. E.
AU - Oskarsson, A.
AU - Otterlund, I.
AU - Pachr, M.
AU - Parfenov, A.
AU - Pavliouk, S.
AU - Peitzmann, T.
AU - Petracek, V.
AU - Plasil, F.
AU - Pinganaud, W.
AU - Purschke, M. L.
AU - Rak, J.
AU - Raniwala, R.
AU - Raniwala, S.
AU - Ramamurthy, V. S.
AU - Rao, N. K.
AU - Retiere, F.
AU - Reygers, K.
AU - Roland, G.
AU - Rosselet, L.
AU - Roufanov, I.
AU - Roy, C.
AU - Rubio, J. M.
AU - Sako, H.
AU - Sambyal, S. S.
AU - Santo, R.
AU - Sato, S.
AU - Schlagheck, H.
AU - Schmidt, H. R.
AU - Schutz, Y.
AU - Shabratova, G.
AU - Shah, T. H.
AU - Sibiriak, I.
AU - Siemiarczuk, T.
AU - Silvermyr, D.
AU - Sinha, B. C.
AU - Slavine, N.
AU - Söderström, K.
AU - Solomey, N.
AU - Sorensen, S. P.
AU - Stankus, P.
AU - Stefanek, G.
AU - Steinberg, P.
AU - Stenlund, E.
AU - Stüken, D.
AU - Sumbera, M.
AU - Svensson, T.
AU - Trivedi, M. D.
AU - Tsvetkov, A.
AU - Tykarski, L.
AU - Urbahn, J.
AU - van der Pijll, E. C.
AU - van Eijndhoven, N.
AU - van Nieuwenhuizen, G. J.
AU - Vinogradov, A.
AU - Viyogi, Y. P.
AU - Vodopianov, A.
AU - Vörös, S.
AU - Wyslouch, B.
AU - Yagi, K.
AU - Yokota, Y.
AU - Young, G. R.
N1 - Funding Information: This work was supported jointly by the German BMBF and DFG, the US DOE, the Swedish NFR and FRN, the Dutch Stichting FOM, the Stiftung für Deutsch-Polnische Zusammenarbeit, the Grant Agency of the Czech Republic under contract No. 202/95/0217, the Department of Atomic Energy, the Department of Science and Technology, the Council of Scientific and Industrial Research and the University Grants Commission of the Government of India, the Indo-FRG Exchange Program, the PPE division of CERN, the Swiss National Fund, the INTAS under Contract INTAS-97-0158, ORISE, Grant-in-Aid for Scientific Research (Specially Promoted Research & International Scientific Research) of the Ministry of Education, Science and Culture, the University of Tsukuba Special Research Projects, and the JSPS Research Fellowships for Young Scientists. ORNL is managed by Lockheed Martin Energy Research Corporation under contract DE-AC05-96OR22464 with the US Department of Energy. The MIT group has been supported by the US Dept. of Energy under the cooperative agreement DE-FC02-94ER40818.
PY - 2000/3/23
Y1 - 2000/3/23
N2 - The Δ++-resonance production in central 158 A GeV 208Pb + 208Pb collisions at the CERN SPS has been studied. The Δ++ production was estimated from the invariant mass spectrum of π+-pairs by subtracting a mixed event background. The measured Δ++ abundance is compared with the results from other experiments at lower energies, and with a model calculation assuming thermal and chemical equilibrium. (C) 2000 Elsevier Science B.V.
AB - The Δ++-resonance production in central 158 A GeV 208Pb + 208Pb collisions at the CERN SPS has been studied. The Δ++ production was estimated from the invariant mass spectrum of π+-pairs by subtracting a mixed event background. The measured Δ++ abundance is compared with the results from other experiments at lower energies, and with a model calculation assuming thermal and chemical equilibrium. (C) 2000 Elsevier Science B.V.
KW - Freeze-out temperature
KW - Mixed event technique
KW - Ultra-relativistic heavy ion collisions
KW - Δ resonance production
UR - http://www.scopus.com/inward/record.url?scp=0034704677&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0034704677&partnerID=8YFLogxK
U2 - 10.1016/S0370-2693(00)00224-0
DO - 10.1016/S0370-2693(00)00224-0
M3 - Article
AN - SCOPUS:0034704677
SN - 0370-2693
VL - 477
SP - 37
EP - 44
JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
IS - 1-3
ER -