Published October 9, 1986
| Version v1
Journal article
Inclusive η production at low transverse momentum in 63 GeV pp collisions at the CERN intersecting storage rings
Creators
- Akesson, T.1
- Batley, R.1
- Breuker, H.1
- Carosi, R.1
- Fabjan, C.W.1
- Goerlach, U.1
- Jensen, T.1
- Katsanevas, S.1
- Mannelli, I.1
- Nielsen, B.S.1
- Olsen, L.H.1
- Rudge, A.1
- Schukraft, J.1
- Willis, W.J.1
- Albrow, M.G.2
- Evans, W.M.2
- McCubbin, N.A.2
- Williamson, J.2
- Almehed, S.3
- Hedberg, V.3
- Jarlskog, G.3
- Kulka, K.3
- Loerstad, B.3
- Mjoernmark, U.3
- Thorstenson, G.3
- Anassontzis, E.4
- Kourkoumelis, C.4
- Markou, A.4
- Resvanis, L.K.4
- Benary, O.5
- Dagan, S.5
- Lissauer, D.5
- Oren, Y.5
- Boeggild, H.6
- Botner, O.6
- Dahl-Jensen, E.6
- Dahl-Jensen, I.6
- Dam, P.6
- Damgaard, G.6
- Hansen, K.H.6
- Moeller, R.6
- Thodberg, H.H.6
- Callen, B.7
- Frankel, S.7
- Frati, W.7
- Molzon, W.7
- Vella, E.7
- Zajc, W.A.7
- Burkert, V.8
- Carter, A.A.9
- Carter, J.R.10
- Cecil, P.C.10
- Chernyatin, V.11
- Dolgoshein, B.11
- Goloubkov, Y.11
- Kalinovsky, A.11
- Kantserov, V.11
- Nevsky, P.11
- Choi, Y.12
- Cleland, W.E.12
- Kroeger, R.12
- Sullivan, M.12
- Thompson, J.A.12
- Eidelman, S.13
- Piskounov, G.13
- Sidorov, V.13
- Gavrilenko, I.14
- Shmeleva, A.14
- Vasilev, P.14
- Gordon, H.15
- Stumer, I.15
- Winik, M.15
- Woody, C.15
- Specht, H.16
- Axial Field Spectrometer Collaboration
- 1. European Organization for Nuclear Research, Geneva (Switzerland)
- 2. Science and Engineering Research Council, Chilton (UK). Rutherford Appleton Lab.
- 3. Lund Univ. (Sweden)
- 4. Athens Univ. (Greece)
- 5. Tel Aviv Univ. (Israel)
- 6. Niels Bohr Inst., Copenhagen (Denmark)
- 7. Pennsylvania Univ., Philadelphia (USA)
- 8. Bonn Univ. (Germany, F.R.). Physikalisches Inst.
- 9. Queen Mary Coll., London (UK)
- 10. Cambridge Univ. (UK)
- 11. Moskovskij Inzhenerno-Fizicheskij Inst. (USSR)
- 12. Pittsburgh Univ., PA (USA)
- 13. AN SSSR, Novosibirsk. Inst. Yadernoj Fiziki
- 14. AN SSSR, Moscow. Fizicheskij Inst.
- 15. Brookhaven National Lab., Upton, NY (USA)
- 16. Heidelberg Univ. (Germany, F.R.). Physikalisches Inst.
Description
The inclusive production of η-mesons in pp collisions at √s=63 GeV and θCM=900 has been measured for pT<1.5 GeV/c. The η/π ratio decreases from its previously measured asymptotic value of η/π∝0.5 at high transverse momentum, to η/π≅0.3 at pT=750 MeV/c and η/π≅0.01 at pT=300 MeV/c, in a way that is consistent with phase-space considerations, e.g. mT scaling. The η/π ratio, integrated from 0.2-1.5 GeV/c, is found to be η/π=0.07±0.055. (orig.)
Additional details
Publishing Information
- Journal Title
- Phys. Lett., B
- Journal Volume
- 178
- Journal Issue
- 4
- Series
- Phys. Lett., B.
- Journal Page Range
- 447-451
- ISSN
- 0370-2693
- CODEN
- PYLBA
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- Netherlands
- INIS RN
- 18004209
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Resource subtype / Literary indicator
- Numerical Data
- Descriptors DEI
- BRANCHING RATIO; EFFECTIVE MASS; ELECTRONS; ETA MESONS; EXPERIMENTAL DATA; GEV RANGE 10-100; INCLUSIVE INTERACTIONS; MASS SPECTRA; PAIR PRODUCTION; PHOTONS; PIONS NEUTRAL; POSITRONS; PROTON-PROTON INTERACTIONS; TRANSVERSE MOMENTUM
- Descriptors DEC
- ANTILEPTONS; ANTIMATTER; ANTIPARTICLES; BARYON-BARYON INTERACTIONS; BOSONS; DATA; ELEMENTARY PARTICLES; ENERGY RANGE; FERMIONS; GEV RANGE; HADRON-HADRON INTERACTIONS; HADRONS; INFORMATION; INTERACTIONS; LEPTONS; LINEAR MOMENTUM; MASS; MASSLESS PARTICLES; MATTER; MESONS; NUCLEON-NUCLEON INTERACTIONS; NUMERICAL DATA; PARTICLE INTERACTIONS; PARTICLE PRODUCTION; PIONS; PROTON-NUCLEON INTERACTIONS; PSEUDOSCALAR MESONS; SPECTRA
Optional Information
- Collaborations
- Axial Field Spectrometer Collaboration.