Published November 1989
| Version v1
Journal article
Comparison of inclusive fractional momentum distributions of quark and gluon jets produced in e+e- annihilation
Creators
- Braunschweig, W.1
- Gerhards, R.1
- Kirschfink, F.J.1
- Martyn, H.U.1
- Bock, B.2
- Fischer, H.M.2
- Hartmann, H.2
- Hartmann, J.2
- Hilger, E.2
- Jocksch, A.2
- Wedemeyer, R.2
- Foster, B.3
- Martin, A.J.3
- Bernardi, E.4
- Chwastowski, J.4
- Eskreys, A.4
- Gather, K.4
- Genser, K.4
- Hultschig, H.4
- Joos, P.4
- Kowalski, H.4
- Ladage, A.4
- Loehr, B.4
- Lueke, D.4
- Maettig, P.4
- Notz, D.4
- Pawlak, J.M.4
- Poesnecker, K.U.4
- Ros, E.4
- Trines, D.4
- Walczak, R.4
- Wolf, G.4
- Kolanoski, H.5
- Kracht, T.6
- Krueger, J.6
- Lohrmann, E.6
- Poelz, G.6
- Zeuner, W.6
- Hassard, J.7
- Shulman, J.7
- Su, D.7
- Tomalin, I.R.7
- Barreiro, F.8
- Leites, A.8
- Peso, J. del8
- Bowler, M.G.9
- Burrows, P.N.9
- Cashmore, R.J.9
- Heath, G.P.9
- Veitch, M.E.9
- Hart, J.C.10
- Saxon, D.H.10
- Brandt, S.11
- Holder, M.11
- Eisenberg, Y.12
- Karshon, U.12
- Mikenberg, G.12
- Montag, A.12
- Revel, D.12
- Ronat, E.12
- Shapira, A.12
- Wainer, N.12
- Yekutieli, G.12
- Muller, D.13
- Ritz, S.13
- Strom, D.13
- Takashima, M.13
- Wu Saulan13
- Zobernig, G.13
- TASSO Collaboration
- 1. Technische Hochschule Aachen (Germany, F.R.). Lehrstuhl fuer Experimentalphysik 1A und 1. Physikalisches Inst.
- 2. Bonn Univ. (Germany, F.R.). Physikalisches Inst.
- 3. Bristol Univ. (UK). H.H. Wills Physics Lab.
- 4. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany, F.R.)
- 5. Dortmund Univ. (Germany, F.R.). Inst. fuer Physik
- 6. Hamburg Univ. (Germany, F.R.). 2. Inst. fuer Experimentalphysik
- 7. Imperial Coll. of Science and Technology, London (UK). Dept. of Physics
- 8. Universidad Autonoma de Madrid (Spain)
- 9. Oxford Univ. (UK). Dept. of Nuclear Physics
- 10. Rutherford Appleton Lab., Chilton (UK)
- 11. Siegen Univ. (Gesamthochschule) (Germany, F.R.). Fachbereich 7 - Physik
- 12. Weizmann Inst. of Science, Rehovoth (Israel)
- 13. Wisconsin Univ., Madison (USA). Dept. of Physics
Description
Inclusive charged particle production in e+e- annihilation into hadrons is studied in terms of the particle fractional momentum xp. The xp distribution for gluon jets is extracted by comparing two data samples measured in the TASSO detector: Nearly symmetric three jet events at centre-of-mass energy W ≅ 35 GeV and two jet events at W ≅ 22 GeV, yielding quark and gluon jets of similar energies (≅ 11.5 GeV). No significant difference is observed between quark and gluon jets. Monte Carlo models based on parton showers describe the trend and energy variation of the data better than a model with second order matrix element in αs. (orig.)
Additional details
Publishing Information
- Journal Title
- Zeitschrift fuer Physik, C
- Journal Volume
- 45
- Journal Issue
- 1
- Series
- Z. Phys., C.
- Journal Page Range
- 1-10
- ISSN
- 0170-9739
- CODEN
- ZPCFD
INIS
- Country of Publication
- Germany
- Country of Input or Organization
- Germany
- INIS RN
- 21001140
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Resource subtype / Literary indicator
- Numerical Data
- Descriptors DEI
- ANNIHILATION; CASCADE SHOWERS; CHARGED PARTICLES; COMPUTERIZED SIMULATION; DIFFERENTIAL CROSS SECTIONS; ELECTRON-POSITRON INTERACTIONS; EXPERIMENTAL DATA; GEV RANGE 10-100; GLUONS; HADRONS; INCLUSIVE INTERACTIONS; JET MODEL; MATRIX ELEMENTS; MONTE CARLO METHOD; MULTIPLE PRODUCTION; PARTONS; PERTURBATION THEORY; QUANTUM CHROMODYNAMICS; QUARKS; SPECTRA
- Descriptors DEC
- BOSONS; CROSS SECTIONS; DATA; ELEMENTARY PARTICLES; ENERGY RANGE; FERMIONS; FIELD THEORIES; GEV RANGE; INFORMATION; INTERACTIONS; LEPTON-LEPTON INTERACTIONS; MATHEMATICAL MODELS; NUMERICAL DATA; PARTICLE INTERACTIONS; PARTICLE MODELS; PARTICLE PRODUCTION; POSTULATED PARTICLES; QUANTUM FIELD THEORY; SHOWERS; SIMULATION
Optional Information
- Contract/Grant/Project number
- Contract DE-AC02-76ER00881; Grant INT-83-13994; CPBP 01.06
- Collaborations
- TASSO Collaboration.