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Observation of direct photons in central 158A GeV (208)P(208)b+Pb collisions

Nikolaev S; Nilsson P; Nishimura S; Nomokonov P; Nystrand J; Obenshain FE; Oskarsson A; Otterlund I; Pachr M; Pavliouk S; Peitzmann T; Petracek V; Pinganaud W; Plasil F; Poblotzki U; Purschke ML; Rak J; Raniwala R; Raniwala S; Ramamurthy VS; Rao NK; Retiere F; Reygers K; Roland G; Rosselet L; Roufanov I.

Phys Rev Lett ; 85(17): 3595-9, 2000 Oct 23.

Article in English | MEDLINE | ID: mdl-11030959

ABSTRACT

A measurement of direct photon production in 208Pb+208Pb collisions at 158A GeV has been carried out in the CERN WA98 experiment. The invariant yield of direct photons in central collisions is extracted as a function of transverse momentum in the interval 0.51.5 GeV/c. The result constitutes the first observation of direct photons in ultrarelativistic heavy-ion collisions. It could be significant for diagnosis of quark-gluon-plasma formation.

Limits on the production of direct protons in 200A GeV 32S+Au collisions.

Albrecht R; Antonenko V; Awes TC; Barlag C; Berger F; Bloomer M; Blume C; Bock D; Bock R; Bohne E; Bucher D; Claesson G; Claussen A; Clewing G; Debbe R; Dragon L; Dubovik Y; Eklund A; Fokin S; Franz A; Garpman S; Glasow R; Gustafsson HÅ; Gutbrod HH; Hansen O; Hölker G; Idh J; Ippolitov M; Jacobs P; Kampert KH; Karadjev K; Kolb BW; Lebedev A; Löhner H; Lund I; Manko V; Moskowitz B; Nikolaev S; Nystrand J; Obenshain FE; Oskarsson A; Otterlund I; Peitzmann T; Plasil F; Poskanzer AM; Purschke M; Ritter H; Roters B; Saini S; Santo R.

Phys Rev Lett ; 76(19): 3506-3509, 1996 May 06.

Article in English | MEDLINE | ID: mdl-10060985

Intermittency and correlations in 200 GeV/nucleon S+S and S+Au collisions.

Albrecht R; Antonenko A; Awes TC; Berger F; Bloomer MA; Bock D; Bock R; Claesson G; Clewing G; Dragon L; Eklund A; Fokin S; Franz A; Garpman S; Glasow R; Gustafsson H; Gutbrod HH; Hartig M; He X; Hölker G; Idh J; Ippolitov M; Jacobs P; Kampert KH; Karadjev K; Kolb BW; Lebedev A; Löhner H; Lund I; Manko V; Nikolaev S; Nystrand J; Obenshain FE; Oskarsson A; Otterlund I; Peitzmann T; Plasil F; Poskanzer AM; Purschke M; Ritter H; Roters B; Saini S; Santo R; Schmidt HR; Söderström K; Sorensen SP; Steffens K; Steinhäuser P; Stenlund E; Stüken D.

Phys Rev C Nucl Phys ; 50(2): 1048-1064, 1994 Aug.

Article in English | MEDLINE | ID: mdl-9969748

Distributions of transverse energy and forward energy in 16O- and 32S-induced heavy ion collisions at 60A and 200A GeV.

Albrecht R; Awes TC; Baktash C; Beckmann P; Berger F; Bock R; Claesson G; Clewing G; Dragon L; Eklund A; Ferguson RL; Franz A; Garpman S; Glasow R; Gustafsson HA; Gutbrod HH; Idh J; Jacobs P; Kampert K; Kolb BW; Kristiansson P; Lee IY; Loehner H; Lund I; Obenshain FE; Oskarsson A; Otterlund I; Peitzmann T; Persson S; Plasil F; Poskanzer AM; Purschke M; Ritter H; Saini S; Santo R; Schmidt HR; Siemiarczuk T; Sorensen SP; Stenlund E; Tincknell ML; Young GR.

Phys Rev C Nucl Phys ; 44(6): 2736-2752, 1991 Dec.

Article in English | MEDLINE | ID: mdl-9967709

ABSTRACT

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