ρ0 and ω production in deep inelastic μ-p interactions at 280 GeV/c

Arneodo, M.; Ferrero, M.I.; Maselli, S.; Peroni, C.; Arvidson, A.; Calen, H.; Dahlgren, S.; Grafstroem, P.; Hagberg, E.; Kullander, S.; Aubert, J.J.; Benchouk, C.; D'Agostini, G.; Montanet, F.; Payre, P.; Pietrzyk, B.; Badelek, B.; Ciborowski, J.; Nassalski, J.; Rondio, E.; Sandacz, A.; Beaufays, J.; Jacholkowska, A.; Kellner, G.; Montgomery, H.E.; Osborne, A.M.; Bee, C.P.; Bird, I.; Coughlan, J.; Sloan, T.; Berghoff, G.; Dueren, M.; Hasert, F.J.; Lanske, D.; Scheer, M.; Scholz, M.; Schultze, K.; Urban, L.; Blum, D.; Heusse, P.; Jaffre, M.; Pascaud, C.; Boehm, E.; Bouard, X. de; Broll, C.; Coignet, G.; Eszes, G.; Favier, J.; Jancso, G.; Maire, M.; Nagy, E.; Pessard, H.; Ribarics, P.; Schneegans, M.; Thenard, J.M.; Toth, J.; Urban, L.; Brasse, F.W.; Gayler, J.; Flauger, W.; Korbel, V.; Brueck, H.; Braun, H.; Drees, J.; Edwards, A.; Krueger, J.; Peschel, H.; Pietrzyk, U.; Poetsch, M.; Brown, S.; Gabathuler, E.; Gamet, R.; Hayman, P.; Pettingale, J.; Wimpenny, S.J.; Chima, J.S.; Clifft, R.; Edwards, M.; Norton, P.R.; Oakham, F.G.; Thompson, J.C.; Combley, F.; Foster, J.; Whalley, M.; Wheeler, S.; Dengler, F.; Derado, I.; Eckardt, V.; Malecki, P.; Manz, A.; Pawlik, B.; Schmitz, N.; Schouten, M.; Wolf, G.; Drever, T.; Ernst, T.; Haas, J.; Kabuss, E.M.; Landgraf, U.; Mohr, W.; Rith, K.; Schlagboehmer, A.; Schroeder, T.; Stier, H.E.; Wallucks, W.; Figiel, J.; Gajewski, J.; Janata, F.; Poensgen, B.; Schiemann, H.; Studt, M.; De la Torre, A.; Geddes, N.; Johnson, A.S.; Loken, J.; Long, K.; Renton, P.; Taylor, G.N.; Williams, W.S.C.; Grard, F.; Windmolders, R.

Published December 1986 | Version v1

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ρ0 and ω production in deep inelastic μ-p interactions at 280 GeV/c

1. Turin Univ. (Italy). Ist. di Fisica
2. Uppsala Univ. (Sweden). Gustaf Werner Inst.
3. Aix-Marseille-2 Univ., 13 - Marseille (France). Faculte des Sciences de Luminy
4. Warsaw Univ. (Poland). Inst. of Physics
5. European Organization for Nuclear Research, Geneva (Switzerland)
6. Lancaster Univ. (UK). Dept. of Physics
7. Technische Hochschule Aachen (Germany, F.R.). Lehrstuhl fuer Experimentalphysik 3B und 3. Physikalisches Inst.
8. Paris-11 Univ., 91 - Orsay (France). Lab. de l'Accelerateur Lineaire
9. Kiel Univ. (Germany, F.R.). Inst. fuer Kernphysik
10. Grenoble-1 Univ., 74 - Annecy (France). Lab. de Physique des Particules
11. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany, F.R.)
12. Wuppertal Univ. (Gesamthochschule) (Germany, F.R.). Fachbereich 8 - Naturwissenschaften 1 - Physik
13. Liverpool Univ. (UK). Dept. of Physics
14. Science and Engineering Research Council, Chilton (UK). Rutherford Appleton Lab.
15. Sheffield Univ. (UK). Dept. of Physics
16. Max-Planck-Institut fuer Physik und Astrophysik, Muenchen (Germany, F.R.)
17. Freiburg Univ. (Germany, F.R.). Fakultaet fuer Physik
18. Hamburg Univ. (Germany, F.R.). 2. Inst. fuer Experimentalphysik
19. Oxford Univ. (UK). Nuclear Physics Lab.
20. Mons Univ. (Belgium). Faculte des Sciences

Inclusive distributions of ρ0 and ω mesons have been measured in deep inelastic μ-p interactions at 280 GeV/c. A comparison of the ρ0 cross sections with other leptoproduction experiments is presented. The ω results represent the first observation of this inclusive channel in high energy leptoproduction. The ρ0 and ω yields are found to be equal as may be expected from the available density of states in isospin space. This contrasts with spin angular momentum where the vector to pseudoscalar meson ratio is suppressed relative to the available number of spin states. (orig.)

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Journal Title: Z. Phys., C
Journal Volume: 33
Journal Issue: 2
Series: Z. Phys., C.
Journal Page Range: 167-173
ISSN: 0170-9739
CODEN: ZPCFD

Country of Publication: Germany
Country of Input or Organization: Germany
INIS RN: 18017105
Subject category: S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
Resource subtype / Literary indicator: Numerical Data
Descriptors DEI: CHARGED PARTICLES; DEEP INELASTIC SCATTERING; EFFECTIVE MASS; EXPERIMENTAL DATA; GEV RANGE 100-1000; INCLUSIVE INTERACTIONS; MASS SPECTRA; MULTIPLICITY; MUON-PROTON INTERACTIONS; OMEGA-784 RESONANCES; PAIR PRODUCTION; PIONS NEUTRAL; RHO-765 RESONANCES; TRANSVERSE MOMENTUM
Descriptors DEC: BOSONS; DATA; ELEMENTARY PARTICLES; ENERGY RANGE; GEV RANGE; HADRONS; INELASTIC SCATTERING; INFORMATION; INTERACTIONS; LEPTON-BARYON INTERACTIONS; LEPTON-HADRON INTERACTIONS; LEPTON-NUCLEON INTERACTIONS; LINEAR MOMENTUM; MASS; MESON RESONANCES; MESONS; MUON-NUCLEON INTERACTIONS; NUMERICAL DATA; PARTICLE INTERACTIONS; PARTICLE PRODUCTION; PIONS; PSEUDOSCALAR MESONS; RESONANCE PARTICLES; SCATTERING; SPECTRA

ρ0 and ω production in deep inelastic μ-p interactions at 280 GeV/c

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