Scaling of pseudorapidity distributions at c.m. energies up to 0.9 TeV
Creators
- Alner, G.J.1
- Ansorge, R.E.1
- Booth, C.N.1
- DeWolf, R.S.1
- Munday, D.J.1
- Ovens, J.E.V.1
- Rushbrooke, J.C.1
- Ward, C.P.1
- Ward, D.R.1
- Webber, C.J.S.1
- White, T.O.1
- Asman, B.2
- Carlson, P.2
- Ekspong, G.2
- Fuglesang, C.2
- Jon-And, K.2
- Lotse, F.2
- Walck, C.2
- Yamdagni, N.2
- Burow, L.3
- Drees, A.3
- Eckart, B.3
- Eyring, A.3
- Geich-Gimbel, C.3
- Holl, B.3
- Hospes, R.3
- Meinke, R.3
- Pelzer, W.3
- Schmickler, H.3
- Evangelou, I.4
- Fabre, J.P.4
- Manthos, N.4
- Reidy, J.J.4
- Triantis, F.4
- Gaudaen, J.5
- Johnson, D.P.5
- Hamme, L. van5
- Wilquet, G.5
- UA5 Collaboration
- 1. Cambridge Univ. (UK). Cavendish Lab.
- 2. Stockholm Univ. (Sweden). Inst. of Physics
- 3. Bonn Univ. (Germany, F.R.). Physiologisch-Chemisches Inst.
- 4. European Organization for Nuclear Research, Geneva (Switzerland)
- 5. Interuniversity Inst. for High Energies, Brussels (Belgium)
Description
New data are presented on charged particle pseudorapidity distributions for inelastic events produced at c.m. energies √s = 200 and 900 GeV. The data were obtained at the CERN antiproton-proton Collider operated in a new pulsed mode. The rise of the central density ρ(0) at energies up to √s = 900 GeV has been studied. A new form of central region scaling is found involving the density ρn(0) for charged multiplicity n, namely that the scaled central density ρn(0)/ρ(0) expressed as a function of z = n/ is independent of s. Scaling in the fragmentation region holds to 10-20%, and the small amount of scale-breaking observed here could be accommodated within the framework suggested by Wdowcyk and Wolfendale to account for both accelerator and cosmic ray data. (orig.)
Additional details
Publishing Information
- Journal Title
- Z. Phys., C
- Journal Volume
- 33
- Journal Issue
- 1
- Series
- Z. Phys., C.
- Journal Page Range
- 1-6
- ISSN
- 0170-9739
- CODEN
- ZPCFD
INIS
- Country of Publication
- Germany
- Country of Input or Organization
- Germany
- INIS RN
- 18004221
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Resource subtype / Literary indicator
- Numerical Data
- Descriptors DEI
- CHARGED PARTICLES; DIFFERENTIAL CROSS SECTIONS; EXPERIMENTAL DATA; GEV RANGE 100-1000; HADRONS; MULTIPLE PRODUCTION; MULTIPLICITY; PARTICLE RAPIDITY; PROTON-ANTIPROTON INTERACTIONS; SCALING LAWS
- Descriptors DEC
- BARYON-BARYON INTERACTIONS; CROSS SECTIONS; DATA; ELEMENTARY PARTICLES; ENERGY RANGE; GEV RANGE; HADRON-HADRON INTERACTIONS; INFORMATION; INTERACTIONS; NUCLEON-ANTINUCLEON INTERACTIO; NUMERICAL DATA; PARTICLE INTERACTIONS; PARTICLE PRODUCTION; PARTICLE PROPERTIES
Optional Information
- Collaborations
- UA5 Collaboration.