Published July 10, 1989
| Version v1
Journal article
π0 and photon spectra from central and peripheral 16O+Au collisions at 200 A GeV
Creators
- Santo, R.1
- Beckmann, P.1
- Berger, F.1
- Clewing, G.1
- Dragon, L.1
- Glasow, R.1
- Kampert, K.H.1
- Loehner, H.1
- Peitzmann, T.1
- Purschke, M.1
- Albrecht, R.2
- Bock, R.2
- Claesson, G.2
- Gutbrod, H.H.2
- Kolb, B.W.2
- Lund, I.2
- Schmidt, H.R.2
- Siemiarczuk, T.2
- Awes, T.C.3
- Baktash, C.3
- Ferguson, R.L.3
- Lee, I.Y.3
- Obenshain, F.E.3
- Plasil, F.3
- Young, G.R.3
- Eklund, A.4
- Garpman, S.4
- Gustafsson, H.A.4
- Idh, J.4
- Kristiansson, P.4
- Oskarsson, A.4
- Otterlund, I.4
- Persson, S.4
- Stenlund, E.4
- Franz, A.5
- Poskanzer, A.M.5
- Ritter, H.G.5
- Soerensen, S.P.6, 3
- WA80 Collaboration
- 1. Muenster Univ. (Germany, F.R.)
- 2. Gesellschaft fuer Schwerionenforschung m.b.H., Darmstadt (Germany, F.R.)
- 3. Oak Ridge National Lab., TN (USA)
- 4. Lund Univ. (Sweden)
- 5. Lawrence Berkeley Lab., CA (USA)
- 6. Tennessee Univ., Knoxville (USA)
Description
The production of neutral pions by the interaction of 200 A GeV proton and 16O projectiles with an Au target has been studied for 1.5≤η≤2.1 Transverse momentum spectra have been measured between 0.4 GeV/c and 2.8 GeV/c and their dependence on the centrality of the reaction has been investigated. The peripheral spectrum shows a marked change of slope with a hard component starting at about 1.8 GeV/c in close similarity to p+p data. Preliminary analyses of photon data yield an excess over known photon sources for central data which is absent for peripheral reactions. (orig.)
Additional details
Publishing Information
- Journal Title
- Nuclear Physics, A
- Journal Volume
- 498
- Series
- Nucl. Phys., A.
- Journal Page Range
- 391c-396c
- ISSN
- 0375-9474
- CODEN
- NUPAB
Conference
- Title
- 7. international conference on ultra-relativistic nucleus-nucleus collisions (Quark Matter '88).
- Dates
- 26-30 Sep 1988.
- Place
- Lenox, MA (USA).
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- Netherlands
- INIS RN
- 20074462
- Subject category
- S73: NUCLEAR PHYSICS AND RADIATION PHYSICS;
- Resource subtype / Literary indicator
- Conference, Numerical Data
- Descriptors DEI
- DEEP INELASTIC HEAVY ION REACT; DIFFERENTIAL CROSS SECTIONS; EXPERIMENTAL DATA; GAMMA SPECTRA; GEV RANGE 100-1000; GOLD 197 TARGET; INCLUSIVE INTERACTIONS; OXYGEN 16 REACTIONS; PARTICLE PRODUCTION; PHOTONS; PIONS NEUTRAL; PROTON REACTIONS; RELATIVISTIC RANGE; TEV RANGE 01-10; TRANSVERSE MOMENTUM
- Descriptors DEC
- BARYON REACTIONS; BOSONS; CROSS SECTIONS; DATA; ELEMENTARY PARTICLES; ENERGY RANGE; GEV RANGE; HADRON REACTIONS; HADRONS; HEAVY ION REACTIONS; INFORMATION; INTERACTIONS; LINEAR MOMENTUM; MASSLESS PARTICLES; MESONS; NUCLEAR REACTIONS; NUCLEON REACTIONS; NUMERICAL DATA; PARTICLE INTERACTIONS; PIONS; PSEUDOSCALAR MESONS; SPECTRA; TARGETS; TEV RANGE
Optional Information
- Collaborations
- WA80 Collaboration.