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Pregled bibliografske jedinice broj: 1451

Xi (Omega) Production in Pb+Pb Collisions at 158 GeV/c

Odyniec, G; Afanasiev, S.V; Alber, T; Appelshäuser, H; Bächler, J; Bailey, S.J; Barnby, L.S; Bartke, J; Bialkowska, H; Blyth, C.O et al.
Xi (Omega) Production in Pb+Pb Collisions at 158 GeV/c // Journal of physics G : nuclear and particle physics, 23 (1997), 12; 1827-1835 (međunarodna recenzija, članak, znanstveni)

CROSBI ID: 1451 Za ispravke kontaktirajte CROSBI podršku putem web obrasca

Naslov
Xi (Omega) Production in Pb+Pb Collisions at 158 GeV/c

Autori
Odyniec, G ; Afanasiev, S.V ; Alber, T ; Appelshäuser, H ; Bächler, J ; Bailey, S.J ; Barnby, L.S ; Bartke, J ; Bialkowska, H ; Blyth, C.O ; Bock, R ; Bormann, C ; Brady, F.P ; Brockmann, R ; Bunčić N ; Bunčić, P ; Caines, H.L ; Cebra, D ; Chan, P ; Cooper, G.E ; Cramer, J.G ; Cramer, P B ; Csato, P ; Dietz, O ; Dunn, J ; Eckardt, V ; Eckhardt, F ; Ferguson, M.I ; Fischer, H.G ; Flierl, D ; Fodor, Z ; Foka, P ; Freund, P ; Friese, V ; Fuchs, M ; Gabler, F ; Gal, J ; Gazdzicki, M ; Gadysz, E ; Grebieszkow, J ; Günther, J ; Harris, J.W ; Hegyi, S ; Henkel, T ; Hill, L.A ; Huang, I ; Howe, M.A ; Hümmler, H ; Igo, G ; Irmscher, D ; Jacobs, P ; Jones, P.G ; Kadija, Krešo ; Kolesnikov, V.I ; Konashenok, A ; Kowalski, M ; Lasiuk, B ; Lévai, P ; Malakhov, A.I ; Margetis, S ; Markert, C ; Melkumov, G.L ; Mock, A ; Molnár, J ; Nelson, J.M ; Odyniec, G ; Palla, G ; Panagiotou, A.D ; Petridis, A ; Piper, A ; Porter, R.J ; Poskanzer, A.M ; Poziombka, S ; Prindle, D.J ; Pühlhofer, F ; Rauch, W ; Reid, J.G ; Renfordt, R ; Retyk, W ; Ritter, H.G ; Röhrich, D ; Roland, C ; Roland, G ; Rudolph, H ; Rybicki, A

Izvornik
Journal of physics G : nuclear and particle physics (0954-3899) 23 (1997), 12; 1827-1835

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
NA49; heavy ion; Xi; TPC; time projection chamber; Pb+Pb

Sažetak
Using the NA49 main TPC, the central production of Xi+antiXi hyperons has been measured in CERN SPS Pb on Pb collisions at 158 GeV/c. The preliminary (Xi+antiXi)/(Lambda+antiLambda) ratio, studied at 2.0.gt.y.lt. 2.6 and 1.gt.p_T.lt.3 GeV/c, equals ~(13+/-4) %(systematic error only). It is compatible, within errors, with the previously obtained ratios for central S+S, S+W, and S+Au collisions. The fit to the transverse momentum distribution resulted in an inverse slope parameter T of 297 MeV. At this level of statistics we do not see any noticeable enhancement of hyperon production with the increased volume (and, possibly, degree of equilibration) of the system from S+S to Pb+Pb. This result is unexpected and counterintuitive, and should be further investigated. If confirmed, it will have a significant impact on our understanding of mechanisms leading to the enhanced strangeness production in heavy ion collisions.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA

Projekti:
00980208

Ustanove:
Institut "Ruđer Bošković", Zagreb

Profili:

Avatar Url Predrag Bunčić (autor)

Avatar Url Krešo Kadija (autor)

Citiraj ovu publikaciju:

Odyniec, G; Afanasiev, S.V; Alber, T; Appelshäuser, H; Bächler, J; Bailey, S.J; Barnby, L.S; Bartke, J; Bialkowska, H; Blyth, C.O et al.
Xi (Omega) Production in Pb+Pb Collisions at 158 GeV/c // Journal of physics G : nuclear and particle physics, 23 (1997), 12; 1827-1835 (međunarodna recenzija, članak, znanstveni)
Odyniec, G., Afanasiev, S., Alber, T., Appelshäuser, H., Bächler, J., Bailey, S., Barnby, L., Bartke, J., Bialkowska, H. & Blyth, C. (1997) Xi (Omega) Production in Pb+Pb Collisions at 158 GeV/c. Journal of physics G : nuclear and particle physics, 23 (12), 1827-1835.
@article{article, author = {Odyniec, G and Afanasiev, S.V and Alber, T and Appelsh\"{a}user, H and B\"{a}chler, J and Bailey, S.J and Barnby, L.S and Bartke, J and Bialkowska, H and Blyth, C.O and Bock, R and Bormann, C and Brady, F.P and Brockmann, R and Bun\v{c}i\'{c}, P and Caines, H.L and Cebra, D and Chan, P and Cooper, G.E and Cramer, J.G and Cramer, P B and Csato, P and Dietz, O and Dunn, J and Eckardt, V and Eckhardt, F and Ferguson, M.I and Fischer, H.G and Flierl, D and Fodor, Z and Foka, P and Freund, P and Friese, V and Fuchs, M and Gabler, F and Gal, J and Gazdzicki, M and Gadysz, E and Grebieszkow, J and G\"{u}nther, J and Harris, J.W and Hegyi, S and Henkel, T and Hill, L.A and Huang, I and Howe, M.A and H\"{u}mmler, H and Igo, G and Irmscher, D and Jacobs, P and Jones, P.G and Kadija, Kre\v{s}o and Kolesnikov, V.I and Konashenok, A and Kowalski, M and Lasiuk, B and L\'{e}vai, P and Malakhov, A.I and Margetis, S and Markert, C and Melkumov, G.L and Mock, A and Moln\'{a}r, J and Nelson, J.M and Odyniec, G and Palla, G and Panagiotou, A.D and Petridis, A and Piper, A and Porter, R.J and Poskanzer, A.M and Poziombka, S and Prindle, D.J and P\"{u}hlhofer, F and Rauch, W and Reid, J.G and Renfordt, R and Retyk, W and Ritter, H.G and R\"{o}hrich, D and Roland, C and Roland, G and Rudolph, H and Rybicki, A}, year = {1997}, pages = {1827-1835}, keywords = {NA49, heavy ion, Xi, TPC, time projection chamber, Pb+Pb}, journal = {Journal of physics G : nuclear and particle physics}, volume = {23}, number = {12}, issn = {0954-3899}, title = {Xi (Omega) Production in Pb+Pb Collisions at 158 GeV/c}, keyword = {NA49, heavy ion, Xi, TPC, time projection chamber, Pb+Pb} }
@article{article, author = {Odyniec, G and Afanasiev, S.V and Alber, T and Appelsh\"{a}user, H and B\"{a}chler, J and Bailey, S.J and Barnby, L.S and Bartke, J and Bialkowska, H and Blyth, C.O and Bock, R and Bormann, C and Brady, F.P and Brockmann, R and Bun\v{c}i\'{c}, P and Caines, H.L and Cebra, D and Chan, P and Cooper, G.E and Cramer, J.G and Cramer, P B and Csato, P and Dietz, O and Dunn, J and Eckardt, V and Eckhardt, F and Ferguson, M.I and Fischer, H.G and Flierl, D and Fodor, Z and Foka, P and Freund, P and Friese, V and Fuchs, M and Gabler, F and Gal, J and Gazdzicki, M and Gadysz, E and Grebieszkow, J and G\"{u}nther, J and Harris, J.W and Hegyi, S and Henkel, T and Hill, L.A and Huang, I and Howe, M.A and H\"{u}mmler, H and Igo, G and Irmscher, D and Jacobs, P and Jones, P.G and Kadija, Kre\v{s}o and Kolesnikov, V.I and Konashenok, A and Kowalski, M and Lasiuk, B and L\'{e}vai, P and Malakhov, A.I and Margetis, S and Markert, C and Melkumov, G.L and Mock, A and Moln\'{a}r, J and Nelson, J.M and Odyniec, G and Palla, G and Panagiotou, A.D and Petridis, A and Piper, A and Porter, R.J and Poskanzer, A.M and Poziombka, S and Prindle, D.J and P\"{u}hlhofer, F and Rauch, W and Reid, J.G and Renfordt, R and Retyk, W and Ritter, H.G and R\"{o}hrich, D and Roland, C and Roland, G and Rudolph, H and Rybicki, A}, year = {1997}, pages = {1827-1835}, keywords = {NA49, heavy ion, Xi, TPC, time projection chamber, Pb+Pb}, journal = {Journal of physics G : nuclear and particle physics}, volume = {23}, number = {12}, issn = {0954-3899}, title = {Xi (Omega) Production in Pb+Pb Collisions at 158 GeV/c}, keyword = {NA49, heavy ion, Xi, TPC, time projection chamber, Pb+Pb} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus

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