Comparison of photon and hadron induced production of ρ0 mesons in the energy range of 65 to 175 GeV

Apsimon, R.; Atkinson, M.; Baake, Michael; Bagdasarian, L. S.; Barberis, D.; Brodbeck, T. J.; Brook, N. H.; Charity, T.; Clegg, A.B.; Coyle, P.; Danaher, S.; Danagulian, S.; Davenport, M.; Dickinson, B.; Diekmann, B.; Donnachie, A.; Doyle, A. T.; Eades, J.; Ellison, R. J.; Fiedler, F.; Flower, P.; Foster, J. M.; Galbraith, W.; Galumian, P.; Gapp, C.; Gebert, F.; Hallewell, G.; Héinloth, K.; Henderson, R. C. W.; Hickman, M. T.; Hoeger, K. C.; Hofmann, Ralf; Holzkamp, A.; Holzkamp, S.; Hughes-Jones, R. E.; Ibbotson, M.; Jakob, H.‐P.; Joseph, D.; Keemer, N. R.; Kingler, J.; Körsgen, G.; Kolya, S. D.; Lafferty, G.; McCann, H.; McClatchey, Richard; McManus, C.; Mercer, D.; Morris, J. A. G.; Morris, J. V.; Newton, D.; O'Connor, A.; Oedingen, R.; Oganesian, A. G.; Ottewell, P. J.; Paterson, C.; Paul, E.; Raid, D.; Rotscheidt, H.; Sharp, P.; Soeldner-Rembold, S.; Thacker, Neil A.; Thompson, L.F.; Thompson, R. J.; Waterhouse, J.; Weigend, A.; Wilson, G. W.

doi:10.1007/bf01559734

Cited by 10 publications

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References 43 publications

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“…The (770) 0 is well known to have a rather dierent behaviour in the way i t manifests itself in + mass spectra (see [21] for a review). A more correct representation of the resonance shape would be by a relativistic p-wave Breit-Wigner with a mass-dependent width [22]; even this shape has been seen to be considerably distorted in various experiments [23], possibly by a mechanism involving interference with a coherent p-wave + background [24]. However these eects are small compared to the discrepancies between Monte Carlo and data in gures 6(a) and 6(c).…”

Section: Mass Spectramentioning

confidence: 87%

Inclusive neutral vector meson production in hadronicZ 0 decays

Acton

Alexander

Allison

et al. 1992

Z. Phys. C - Particles and Fields

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Results are reported of a study of neutral vector meson production in multihadronic Z 0 decays in the OPAL experiment at LEP. Pions and kaons have been identied by specic ionisation energy loss and K and K + K mass spectra have been tted, in bins of the scaled momentum variable x p , t o combinations of resonance signals and non-resonant backgrounds. Rates are given for K (892) 0 and (1020), and production cross sections are compared to the predictions of Monte Carlo models. Overall multiplicities have been determined as 0:76 0:07 0:06 K (892) 0 and 0:086 0:015 0:010 (1020) per hadronic Z 0 decay (the quoted errors are respectively statistical and systematic). Momentum dependent distortions of the mass spectra, possibly associated indirectly with Bose-Einstein eects, have prevented reliable measurement of the (770) 0 cross section in this study.

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Section: Mass Spectramentioning

confidence: 87%