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14 results on '"ELECTROPRODUCTION [RHO(770)0]"'

1. Exclusive $\rho^0$ meson cross section ratios on deuterium and hydrogen targets

Author

Osborne, Andrew G. S.

Subjects
data analysis method, Physics::Instrumentation and Detectors, HERMES [magnetic spectrometer], momentum transfer dependence, programming, model: production, x-dependence, +p+rho%28770%290+electron%22">electron p --> p rho(770)0 electron, 27.5 GeV, production [model], electron p: exclusive reaction, ratio [channel cross section], Nuclear Experiment, rho(770)0: electroproduction, magnetic spectrometer: HERMES, electroproduction [rho(770)0], electron deuteron: exclusive reaction, thesis, bibliography, exclusive reaction [electron p], DESY HERA Stor, exclusive reaction [electron deuteron], High Energy Physics::Experiment, channel cross section: ratio, experimental results
Abstract

University of Glasgow, Diss., 2006; 195 pp., (2006). doi:10.3204/DESY-THESIS-2006-024, The HERMES experiment is a large forward angle spectrometer located at the HERA accelerator ring at DESY, Hamburg. This thesis presents the analysis of the kinematic dependencies of 0 vector meson production on hydrogen and deuterium targets. The relative gluon and quark contribution to the 0 production amplitude is expected to depend on the kinematical variable xBj , and by measuring the ratio of 0 electroproduction cross sections on deuterium and hydrogen from HERMES data this dependence is conrmed. This thesis describes the methods used to extract the cross section ratio from the HERMES data taken between the years 1996 and 2000 and compares the results with the theoretical predictions. Until 2005 the missing mass resolution of the HERMES spectrometer was only suf- cient to allow exclusivity at the level of a data sample. The HERMES Recoil Detector, installed in early 2006, is an upgrade which will augment the HERMES spectrometer by establishing exclusivity at the event level and therefore improving the resolution to which various kinematical variables may be reconstructed. Additionally, the Recoil Detector will contribute to the overall background suppression capability of the HERMES spectrometer. These improvements will provide a strong reduction in the statistical uncertainties present in the 0-analysis and other analyses at HERMES. The Recoil Detector critically relies on its track reconstruction software to enable its capability to provide event level exclusive measurements. This tracking code is presented in detail., Published by Deutsches Elektronen-Synchrotron, DESY, Hamburg

Published
2006

2. Study of exclusive electroproduction of $\rho 0$ mesons at low $Q^2$ using the ZEUS beam pipe calorimeter at HERA

Author

Monteiro, T.

Subjects
electroproduction [rho(770)0], hadronic decay [rho(770)0], zero-degree calorimeter, approx. 300 GeV-cms, thesis, +p+rho%28770%290+positron%22">positron p --> p rho(770)0 positron, density matrix [spin], ZEUS, exclusive reaction [positron p], energy dependence, colliding beams [positron p], polarization [rho(770)0], DESY HERA Stor, momentum transfer [differential cross section], low [momentum transfer], experimental results, +pi%2B+pi%22">rho(770)0 --> pi+ pi
Published
1998

3. Exclusive $\rho^0$ production in deep inelastic electron - proton scattering at HERA

Author

Derrick, M., Krakauer, D., Magill, S., Mikunas, D., Musgrave, B., Repond, J., Stanek, R., Talaga, R. L., Zhang, H., Ayad, R., Bari, G., Basile, M., Bellagamba, L., Boscherini, D., Bruni, A., Bruni, G., Bruni, P., Cara Romeo, G., Castellini, G., Chiarini, M., Cifarelli, L., Cindolo, F., Contin, A., Corradi, M., Gialas, I., Giusti, P., Iacobucci, G., Laurenti, G., Levi, G., Margotti, A., Massam, T., Nania, R., Nemoz, C., Palmonari, F., Polini, A., Sartorelli, G., Timellini, R., Zamora Garcia, Y., Zichichi, A., Bargende, A., Crittenden, J., Desch, K., Diekmann, B., Doeker, T., Eckart, M., Feld, L., Frey, A., Geerts, M., Grothe, M., Hartmann, H., Heinloth, K., Hilger, E., Jakob, H. P., Katz, U. F., Mari, S. M., Mengel, S., Mollen, J., Paul, E., Pfeiffer, M., Rembser, C., Schramm, D., Stamm, J., Wedemeyer, R., Campbell-Robson, S., Cassidy, A., Dyce, N., Foster, B., George, S., Gilmore, R., Heath, G. P., Heath, Helen F., Llewellyn, T. J., Morgado, C. J. S., Norman, D. J. P., O'Mara, J. A., Tapper, R. J., Wilson, S. S., Yoshida, R., Rau, R. R., Arneodo, M., Capua, M., Garfagnini, A., Iannotti, L., Schioppa, M., Susinno, G., Bernstein, A., Caldwell, A., Cartiglia, N., Parsons, J. A., Ritz, S., Sciulli, F., Straub, P. B., Wai, L., Yang, S., Zhu, Q., Borzemski, P., Chwastowski, J., Eskreys, A., Piotrzkowski, K., Zachara, M., Zawiejski, L., Adamczyk, L., Bednarek, B., Jelen, K., Kisielewska, D., Kowalski, T., Rulikowska-Zarebska, E., Suszycki, L., Zajac, J., Kotanski, A., Przybycien, M., Bauerdick, L. A. T., Behrens, U., Beier, H., Bienlein, J. K., Coldewey, C., Deppe, O., Desler, K., Drews, G., Flasinski, M., Gilkinson, D. J., Glasman, C., Gottlicher, P., Grosse-Knetter, J., Gutjahr, B., Haas, Tobias M., Hain, W., Hasell, D., Hessling, H., Iga, Y., Johnson, K., Joos, P., Kasemann, M., Klanner, R., Koch, W., Kopke, L., Kotz, U., Kowalski, H., Labs, J., Ladage, A., Lohr, B., Lowe, M., Luke, D., Mainusch, J., Manczak, O., Monteiro, T., Ng, J. S. T., Nickel, S., Notz, D., Ohrenberg, K., Roco, M., Rohde, M., Roldan, J., Schneekloth, U., Schulz, W., Selonke, F., Stiliaris, E., Surrow, B., Voss, T., Westphal, D., Wolf, G., Youngman, C., Zeuner, W., Zhou, J. F., Grabosch, H. J., Kharchilava, A., Leich, A., Mattingly, M., Meyer, A., Schlenstedt, S., Wulff, N., Barbagli, G., Pelfer, P., Anzivino, G., Maccarrone, G., De Pasquale, S., Votano, L., Bamberger, A., Eisenhardt, S., Freidhof, A., Soldner-Rembold, S., Schroder, J., Trefzger, T., Brook, N. H., Bussey, P. J., Doyle, A. T., Fleck, I., Saxon, D. H., Utley, M. L., Wilson, A. S., Dannemann, A., Holm, U., Horstmann, D., Neumann, T., Sinkus, R., Wick, K., Badura, E., Burow, B. D., Hagge, L., Lohrmann, E., Milewski, J., Nakahata, M., Pavel, N., Poelz, G., Schott, W., Zetsche, F., Bacon, T. C., Brummer, N., Butterworth, I., Gallo, E., Harris, V. L., Hung, B. H., Long, K. R., Miller, D. B., Morawitz, P. P. O., Prinias, A., Sedgbeer, J. K., Whitfield, A., Mallik, U., McCliment, E., Wang, M. Z., Wang, S. M., Wu, J. T., Cloth, P., Filges, D., An, S. H., Hong, S. M., Nam, S. W., Park, S. K., Suh, M. H., Yon, S. H., Imlay, R., Kartik, S., Kim, H. J., McNeil, R. R., Metcalf, W., Nadendla, V. K., Barreiro, F., Cases, G., Fernandez, J. P., Graciani, R., Hernandez, J. M., Hervas, L., Labarga, L., Martinez, M., del Peso, J., Puga, J., Terron, J., de Troconiz, J. F., Smith, G. R., Corriveau, F., Hanna, D. S., Hartmann, J., Hung, L. W., Lim, J. N., Matthews, C., Patel, P. M., Sinclair, L. E., Stairs, D. G., St. Laurent, M., Ullmann, R., Zacek, G., Bashkirov, V., Dolgoshein, B. A., Stifutkin, A., Bashindzhagian, G. L., Ermolov, P. F., Gladilin, L. K., Golubkov, Yu. A., Kobrin, V. D. D., Korzhavina, I. A., Kuzmin, V. A., Lukina, O. Yu., Proskuryakov, A. S., Savin, A. A., Shcheglova, L. M., Solomin, A. N., Zotov, N. P., Botje, M., Chlebana, F., Dake, A., Engelen, J., de Kamps, M., Kooijman, P., Kruse, A., Tiecke, H., Verkerke, W., Vreeswijk, M., Wiggers, L., de Wolf, E., van Woudenberg, R., Acosta, D., Bylsma, B., Durkin, L. S., Honscheid, K., Li, C., Ling, T. Y., McLean, K. W., Murray, W. N., Park, I. H., Romanowski, T. A., Seidlein, R., Bailey, David C., Byrne, A., Cashmore, R. J., Cooper-Sarkar, Amanda M., Devenish, R. C. E., Harnew, N., Lancaster, M., Lindemann, L., McFall, J., Nath, C., Noyes, V. A., Quadt, A., Tickner, J. R., Uijterwaal, H., Walczak, R., Waters, D. S., Wilson, F. F., Yip, T., Abbiendi, G., Bertolin, A., Brugnera, R., Carlin, R., Dal Corso, F., De Giorgi, M., Dosselli, U., Limentani, S., Morandin, M., Posocco, M., Stanco, L., Stroili, R., Voci, C., Bulmahn, J., Butterworth, J. M., Feild, R. G., Oh, B. Y., Whitmore, J., D'Agostini, G., Marini, G., Nigro, A., Tassi, E., Hart, J. C., McCubbin, N. A., Prytz, K., Shah, T. P., Short, T. L., Barberis, E., Dubbs, T., Heusch, C., Van Hook, M., Lockman, William S., Rahn, J. T., Sadrozinski, H. F., Seiden, A., Williams, D. C., Biltzinger, J., Seifert, R. J., Schwarzer, O., Walenta, A. H., Zech, Gunter, Abramowicz, H., Briskin, G., Dagan, S., Levy, A., Hasegawa, T., Hazumi, M., Ishii, T., Kuze, M., Mine, S., Nagasawa, Y., Nakao, M., Suzuki, I., Tokushuku, K., Yamada, S., Yamazaki, Y., Chiba, M., Hamatsu, R., Hirose, T., Homma, K., Kitamura, S., Nakamitsu, Y., Yamauchi, K., Cirio, R., Costa, M., Ferrero, M. I., Lamberti, L., Maselli, S., Peroni, C., Sacchi, R., Solano, A., Staiano, A., Dardo, M., Bandyopadhyay, D., Benard, F., Brkic, M., Gingrich, D. M., Hartner, G. F., Joo, K. K., Levman, G. M., Martin, J. F., Orr, R. S., Polenz, S., Sampson, Cortney R., Teuscher, R. J., Catterall, C. D., Jones, T. W., Kaziewicz, P. B., Lane, J. B., Saunders, R. L., Shulman, J., Blankenship, K., Lu, B., Mo, L. W., Bogusz, W., Charchula, K., Ciborowski, J., Gajewski, J., Grzelak, G., Kasprzak, M., Krzyzanowski, M., Muchorowski, K., Nowak, R. J., Pawlak, J. M., Tymieniecka, T., Wroblewski, A. K., Zakrzewski, Janusz Andrzej, Zarnecki, A. F., Adamus, M., Eisenberg, Y., Karshon, U., Revel, D., Zer-Zion, D., Ali, I., Badgett, W. F., Behrens, B., Dasu, S., Fordham, C., Foudas, C., Goussiou, A., Loveless, R. J., Reeder, D. D., Silverstein, S., Smith, W. H., Vaiciulis, A., Wodarczyk, M., Tsurugai, T., Bhadra, S., Cardy, M. L., Fagerstroem, C. P., Frisken, William R., Furutani, K. M., Khakzad, M., Schmidke, W. B., and ZEUS Collaboration

Subjects
electron p [deep inelastic scattering], (pi+ pi-) [mass spectrum], momentum transfer [channel cross section], deep inelastic scattering: electron p, rho(770)0 [electroproduction], electron p: exclusive reaction, channel cross section: energy dependence, colliding beams [electron p], electroproduction [rho(770)0], hadronic decay [rho(770)0], electroproduction: rho(770)0, electron p [colliding beams], energy dependence [channel cross section], exclusive reaction [electron p], colliding beams: electron p, DESY HERA Stor, electron p: colliding beams, rho(770)0: photoproduction, +p+rho%28770%290%22">photon p --> p rho(770)0, (pi+ pi-): mass spectrum, channel cross section: momentum transfer, mass spectrum [(pi+ pi-)], x-dependence [channel cross section], electron p: deep inelastic scattering, perturbation theory [quantum chromodynamics], rho(770)0 [photoproduction], 296 GeV-cms, photoproduction: rho(770)0, +p+rho%28770%290+electron%22">electron p --> p rho(770)0 electron, momentum spectrum [gluon], spectrum: transverse momentum, rho(770)0 [hadronic decay], ddc:530, quantum chromodynamics: perturbation theory, rho(770)0: electroproduction, rho(770)0: hadronic decay, channel cross section: x-dependence, mass spectrum: (pi+ pi-), gluon: momentum spectrum, ZEUS, transverse momentum [spectrum], photoproduction [rho(770)0], transverse momentum: spectrum, deep inelastic scattering [electron p], spectrum [transverse momentum], hadronic decay: rho(770)0, experimental results
Abstract

17 pp. (1995)., The exclusive production of ϱ 0 mesons in deep inelastic electron-proton scattering has been studied using the ZEUS detector. Cross sections have been measured in the range 7 < Q 2 < 25 GeV 2 for λ ∗ p centre of mass (c.m.) energies 40 to 130 GeV. The λ ∗ p → ϱ 0 p cross section exhibits a Q −(4.2±0.8 −0.5 +1.4 ) dependence and both longitudinally and transversely polarised ϱ 0 's are observed. The λ ∗ p → ϱ 0 p cross section rises strongly with increasing c.m. energy, when compared with NMC data at lower energy, which cannot be explained by production through soft pomeron exchange. The data are compared with perturbative QCD calculations where the rise in the cross section reflects the increase in the gluon density at low x .

Published
1995

4. Studies of multihadronic final states in electron positron annihilation

Author

Podobrin, Oliver

Subjects
annihilation: electron positron, cluster [model], annihilation [electron positron], pi [electroproduction], event shape analysis, (2jet) [final state], hadron: multiple production, rho(770)0 [electroproduction], electron positron [colliding beams], inclusive reaction [electron positron], final state [(2jet)], electroproduction [pi], multiplicity [spectrum], electroproduction [rho(770)0], cross section, electroproduction: rho(770)0, thesis, electron positron: colliding beams, boson: statistics, final state: (2jet), DESY PETRA Stor, multiplicity: spectrum, colliding beams [electron positron], spectrum: multiplicity, electroproduction: pi, Particle Physics - Experiment, correlation: two-particle, fragmentation [model], statistics [boson], spectrum [multiplicity], jet [electroproduction], electron positron: annihilation, pi: electroproduction, jet: electroproduction, intermittency, model: cluster, rho(770)0: electroproduction, two-particle [correlation], hadron [multiple production], multiple production [hadron], electroproduction [jet], tables, electron positron [annihilation], bibliography, electron positron: inclusive reaction, (2jet): final state, 35 GeV-cms, electroproduction: jet, multiple production: hadron, colliding beams: electron positron, model: fragmentation, CELLO, experimental results
Abstract

Universität Hamburg, Diss., 1992; 157 pp. (1992). = Universität Hamburg, Diss., 1992

Published
1992

5. Erzeugung von $\rho^0$ $\omega$ in 2-Photon-Kollisionen

Author

Fenner, Hartmut

Subjects
two-photon [exchange], multiple production [pi], interaction [photon photon], mass spectrum, rho(770)0 [electroproduction], electron positron [colliding beams], multiquark [quark], +2pi%2B+2pi-+pi0+positron+electron%22">electron positron --> 2pi+ 2pi- pi0 positron electron, channel cross section, photon photon [interaction], electroproduction [rho(770)0], electroproduction [omega(783)], omega(783) [electroproduction], pi [multiple production], thesis, parity [spin], bibliography, 35 GeV-cms, vector meson [pair production], +omega%28783%29+rho%28770%290+positron+electron%22">electron positron --> omega(783) rho(770)0 positron electron, spin [parity], DESY PETRA Stor, pair production [vector meson], b1(1235), +omega%28783%29+pi%2B+pi-+positron+electron%22">electron positron --> omega(783) pi+ pi- positron electron, colliding beams [electron positron], CELLO, exchange [two-photon], experimental results
Published
1992

6. Measurement and analysis of the reaction $\gamma\gamma\to\pi^+3\pi^-$

Author

Pust, R., Olsson, J., Clarke, D., Dieckmann, A., Duerdoth, I. P., Eckerlin, Guenter, Elsen, E., Felst, R., Finch, A. J., Foster, F., Greenshaw, T., Hagemann, J., Allison, John, Haidt, D., Heintze, J., Heinzelmann, G., Hellenbrand, K. H., Hill, P., Hughes, G., Kado, H., Kawagoe, K., Kleinwort, C., Knies, G., Ambrus, K., Komamiya, S., Krehbiel, H., von Krogh, J., Kuhlen, M., Loebinger, F. K., Macbeth, A. A., Magnussen, N., Marshall, R., Meinke, R., Middleton, R. P., Barlow, Roger J., Murphy, P. G., Naroska, B., Nye, J. M., Ould-Saada, F., Pitzl, D., Ramcke, R., Rieseberg, H., Sato, A., Schmidt, D., Smolik, L., Bartel, W., Schneekloth, U., Skard, J. A. J., Spitzer, J., Steffen, P., Stephens, K., Takeshita, T., Wagner, A., Walker, I. W., Weber, G., Zimmer, M., Bethke, S., Zorn, G. T., JADE Collaboration, Bowdery, C. K., Cartwright, S. L., and Chrin, J.

Subjects
two-photon [exchange], (pi+ pi-) [mass spectrum], pi [electroproduction], multiple production [pi], inelastic scattering: electron positron, rho(770)0 [electroproduction], electron positron [inelastic scattering], multiple production: pi, channel cross section: energy dependence, electron positron [colliding beams], electroproduction [pi], 36.4 GeV-cms, electroproduction [rho(770)0], electroproduction: rho(770)0, electron positron: colliding beams, boson: statistics, energy dependence [channel cross section], DESY PETRA Stor, colliding beams [electron positron], two-photon: exchange, two-pion [correlation function], electroproduction: pi, (pi+ pi-): mass spectrum, mass spectrum [(pi+ pi-)], statistics [boson], electron positron: inelastic scattering, correlation function: two-pion, exclusive reaction [photon photon], pi: electroproduction, +3pi%2B+3pi-+positron+electron%22">electron positron --> 3pi+ 3pi- positron electron, rho(770)0: multiplicity, ddc:530, +2rho%28770%290+pi%2B+pi-+positron+electron%22">electron positron --> 2rho(770)0 pi+ pi- positron electron, rho(770)0: electroproduction, exchange: two-photon, photon photon: exclusive reaction, pi: multiple production, inelastic scattering [electron positron], pi [multiple production], mass spectrum: (pi+ pi-), bibliography, +rho%28770%290+2pi%2B+2pi-+positron+electron%22">electron positron --> rho(770)0 2pi+ 2pi- positron electron, colliding beams: electron positron, JADE, multiplicity [rho(770)0], exchange [two-photon], experimental results
Abstract

22 pp. (1991)., The reactionγγ→3π+3π- has been studied usig the JADE detector at PETRA. The topological cross sectionσ(γγ→3π+3π-) was measured in the CM energy range 1.5–5.5 GeV. The production ofρ0,s was observed and the average number ofρ0,s per event measured. The contributions of the subprocessesγγ→ρ02π+2π-,γγ→ρ0ρ0π+2π- andγγ→ 3π+3π- (phase space) were studied and 95% C.L. upper limits for the cross sectionσ(γγ→ρ0ρ0π+π- determined. Finally the Bose-Einstein correlation for pairs of like signed pions was observed. A fit to a standard parametrization gave results consistent with other studies of this effect in pion systems.

Published
1991
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7. QCD and Hadron Jets: New Results from PEP and PETRA

Author

Sau Lan Wu

Subjects
(2JET): FINAL STATE, ELECTROPRODUCTION: LAMBDA, TRANSVERSE MOMENTUM: MOMENTUM SPECTRUM, EXPERIMENTAL RESULTS [REVIEW], TECHNIPION [SEARCH FOR], DESY PETRA STOR, BIBLIOGRAPHY, SEARCH FOR: TECHNIPION, (3JET): FINAL STATE, HADRON: ELECTROPRODUCTION, RHO(770)0: ELECTROPRODUCTION, ELECTROPRODUCTION [HADRON], JET [GLUON], PAIR PRODUCTION: HADRON, SPECTRUM [X-DEPENDENCE], ENERGY DEPENDENCE: TOTAL CROSS SECTION, HIGGS PARTICLE [POSTULATED PARTICLE], GLUON [SPIN], ELECTROPRODUCTION: HADRON, ELECTROPRODUCTION [LAMBDA], (4JET): FINAL STATE, POSTULATED PARTICLE: TECHNIPION, ENERGY DEPENDENCE [TOTAL CROSS SECTION], TOTAL CROSS SECTION: ENERGY DEPENDENCE, CORRELATION [ENERGY], SPIN: GLUON, HADRON [ELECTROPRODUCTION], INELASTIC SCATTERING: ELECTRON POSITRON, JET [ELECTROPRODUCTION], SEARCH FOR: HIGGS PARTICLE, FINAL STATE: (3JET), COLLIDING BEAMS [ELECTRON POSITRON], ELECTRON POSITRON: INCLUSIVE REACTION, ELECTROPRODUCTION: JET, INELASTIC SCATTERING [ELECTRON POSITRON], HIGGS PARTICLE [SEARCH FOR], SPECTRUM: X-DEPENDENCE, ANNIHILATION: ELECTRON POSITRON, JET: SPHERICITY, RATIO [TOTAL CROSS SECTION], FINAL STATE [(3JET)], SPHERICITY [JET], ELECTRON POSITRON: COLLIDING BEAMS, ENERGY: CORRELATION, ELECTRON POSITRON [ANNIHILATION], REVIEW: EXPERIMENTAL RESULTS, FINAL STATE: (2JET), ANNIHILATION [ELECTRON POSITRON], ELECTROPRODUCTION [JET], PERTURBATION THEORY [QUANTUM CHROMODYNAMICS], (4JET) [FINAL STATE], PARTICLE IDENTIFICATION, SPIN [GLUON], FRAGMENTATION [MODEL], JET [QUARK], POSTULATED PARTICLE: HIGGS PARTICLE, ELECTRON POSITRON [INELASTIC SCATTERING], PAIR PRODUCTION [HADRON], RATIO: TOTAL CROSS SECTION, X-DEPENDENCE: SPECTRUM, TOTAL CROSS SECTION [RATIO], COUPLING CONSTANT [STRONG INTERACTION], ELECTRON POSITRON: INELASTIC SCATTERING, X-DEPENDENCE [SPECTRUM], SLAC PEP STOR, (2JET) [FINAL STATE], MOMENTUM SPECTRUM [TRANSVERSE MOMENTUM], ELECTROPRODUCTION [RHO(770)0], (3JET) [FINAL STATE], TOTAL CROSS SECTION [ENERGY DEPENDENCE], LAMBDA [ELECTROPRODUCTION], COUPLING CONSTANT: STRONG INTERACTION, ENERGY DEPENDENCE [MULTIPLICITY], FINAL STATE [(2JET)], GLUON: JET, STRONG INTERACTION [COUPLING CONSTANT], HADRON [PAIR PRODUCTION], TOTAL CROSS SECTION: RATIO, COLLIDING BEAMS: ELECTRON POSITRON, GLUON: SPIN, QUARK: JET, TECHNIPION [POSTULATED PARTICLE], JET: ELECTROPRODUCTION, MULTIPLICITY: ENERGY DEPENDENCE, FINAL STATE: (4JET), QUANTUM CHROMODYNAMICS: PERTURBATION THEORY, ELECTRON POSITRON [COLLIDING BEAMS], INCLUSIVE REACTION [ELECTRON POSITRON], HADRON: PAIR PRODUCTION, MODEL: FRAGMENTATION, FINAL STATE [(4JET)], STRONG INTERACTION: COUPLING CONSTANT, LUMINOSITY, LAMBDA: ELECTROPRODUCTION, ELECTROPRODUCTION: RHO(770)0, RHO(770)0 [ELECTROPRODUCTION], ELECTRON POSITRON: ANNIHILATION
Abstract

77 pp. (1983).

Published
1983
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8. First observation of $\gamma\gamma \rightarrow K^{*0} \bar{K^{*0}}$

Author

Albrecht, H., Andam, A. A., Binder, U., Böckmann, P., Gläser, R., Harder, G., Krüger, A., Nippe, A., Schäfer, M., Schmidt-Parzefall, W., Schröder, H., Schulz, H. D., Wurth, R., Yagil, A., Donker, J. P., Drescher, A., Kamp, D., Kolanoski, H., Matthiesen, U., Scheck, H., Spaan, B., Spengler, J., Wegener, D., Gabriel, J. C., Ruf, T., Schubert, K. R., Stiewe, J., Strahl, K., Waldi, R., Edwards, K. W., Frisken, W. R., Gilkinson, D. J., Gingrich, D. M., Kapitza, H., Kim, P. C. H., Kutschke, R., Macfarlane, D. B., McKenna, J. A., McLean, K. W., Nilsson, A. W., Orr, R. S., Padley, P., Parsons, J. A., Patel, P. M., Prentice, J. D., Seywerd, H. C. J., Swain, J. D., Tsipolitis, G., Yoon, T.-S., Yun, J. C., Ammar, R., Ball, S., Coppage, D., Davis, R., Kanekal, S., Kwak, N., Boštjančič, B., Kernel, G., Pleško, M., Jönsson, L., Babaev, A., Danilov, M., Fominykh, B., Golutvin, A., Gorelov, I., Lubimov, V., Matveev, V., Ryltsov, V., Semenov, A., Shevchenko, V., Soloshenko, V., Tchistilin, V., Tichomirov, I., Zaitsev, Yu., Childers, R., Darden, C. W., Fernholz, R. C., Oku, Y., and ARGUS Collaboration

Subjects
ELECTROPRODUCTION: K*(892), ELECTRON POSITRON [INELASTIC SCATTERING], ARGUS, ELECTROPRODUCTION [K*(892)], PAIR PRODUCTION [VECTOR MESON], FINAL STATE: (K+ K- PI+ PI-), K*(892) [ELECTROPRODUCTION], ELECTRON POSITRON: INELASTIC SCATTERING, (K+ K- PI+ PI-): FINAL STATE, ELECTROPRODUCTION: PHI(1020), CHANNEL CROSS SECTION: ENERGY DEPENDENCE, PHI(1020): ELECTROPRODUCTION, RHO(770)0: ELECTROPRODUCTION, FINAL STATE [(K+ K- PI+ PI-)], ELECTROPRODUCTION [RHO(770)0], VECTOR MESON: PAIR PRODUCTION, 9.4-10.6 GEV-CMS, VECTOR MESON [PAIR PRODUCTION], ddc:530, ELECTROPRODUCTION [PHI(1020)], COLLIDING BEAMS: ELECTRON POSITRON, (K PI): MASS SPECTRUM, +2K*%28892%29+POSITRON+ELECTRON%22">ELECTRON POSITRON --> 2K*(892) POSITRON ELECTRON, EXPERIMENTAL RESULTS, DESY DORIS II STOR, TWO-PHOTON [EXCHANGE], (K+ K- PI+ PI-) [FINAL STATE], INELASTIC SCATTERING: ELECTRON POSITRON, TWO-PHOTON: EXCHANGE, EXCHANGE [TWO-PHOTON], K*(892): ELECTROPRODUCTION, COLLIDING BEAMS [ELECTRON POSITRON], INELASTIC SCATTERING [ELECTRON POSITRON], MASS SPECTRUM [(K PI)], ELECTRON POSITRON [COLLIDING BEAMS], PHI(1020) [ELECTROPRODUCTION], ELECTRON POSITRON: COLLIDING BEAMS, EXCHANGE: TWO-PHOTON, +PHI%281020%29+RHO%28770%290+POSITRON+ELECTRON%22">ELECTRON POSITRON --> PHI(1020) RHO(770)0 POSITRON ELECTRON, PAIR PRODUCTION: VECTOR MESON, ELECTROPRODUCTION: RHO(770)0, MASS SPECTRUM: (K PI), RHO(770)0 [ELECTROPRODUCTION], ENERGY DEPENDENCE [CHANNEL CROSS SECTION], (K PI) [MASS SPECTRUM]
Abstract

6 pp. (1987)., The final state K$^+K^− \pi^+\pi ^-$ has been studied in γγ interactions using the ARGUS detector at the e+e− storage ring DORIS II at DESY. Production of the vector meson pair K$^{∗0}$(892)K$^{∗0}$(892) is observed for the first time. The cross section for K$^+K^− \pi^+\pi^-$, K$^∗0K^−\pi^+$c.c. and K$^{∗0}$K$^{∗0}$ are all found to be of the order of a few nb. In the W$_{\gamma\gamma}$ range accessible, a mean upper limit of 0.5 n$_b$ at 95% CL is derived for φ$\rho^0$ production.

Published
1987

9. Electroproduction of $\rho^0$ Mesons

Author

Cohen, I., Erickson, R., Janata, F., Joos, P., Ladage, A., Nagel, H., Preissner, H., Soding, P., Messing, F., Nordberg, E., Siemann, R., Smith-Kintner, J., Stein, P., Sadoff, A., Drews, G., and Gebert, W.

Subjects
+P+RHO%28770%290+ELECTRON%22">ELECTRON P --> P RHO(770)0 ELECTRON, 1.7-4.0 GEV-CM, INCLUSIVE REACTION [ELECTRON P], INELASTIC SCATTERING: ELECTRON P, (2PI): MASS SPECTRUM, TRANSVERSE MOMENTUM [DIFFERENTIAL CROSS SECTION], Z-DEPENDENCE: DIFFERENTIAL CROSS SECTION, CHANNEL CROSS SECTION: ENERGY DEPENDENCE, +RHO%28765%290+ELECTRON+ANYTHING%22">ELECTRON P --> RHO(765)0 ELECTRON ANYTHING, ELECTROPRODUCTION [RHO(770)0], RHO(770)0: ELECTROPRODUCTION, DIFFERENTIAL CROSS SECTION: TRANSVERSE MOMENTUM, CHANNEL CROSS SECTION: MOMENTUM TRANSFER, PRODUCTION: DIFFRACTION, ELECTRON P [INELASTIC SCATTERING], STREAMER CHAMBER: EXPERIMENTAL RESULTS, (2PI) [MASS SPECTRUM], ddc:530, 1.7-4.0 GEV-CMS, DIFFERENTIAL CROSS SECTION [Z-DEPENDENCE], ELECTRON P: INCLUSIVE REACTION, PRODUCTION [DIFFRACTION], DIFFERENTIAL CROSS SECTION: Z-DEPENDENCE, MODEL: QUARK PARTON, +P+RHO%28770%290+2PI%2B%22">ELECTRON P --> P RHO(770)0 2PI+, TRANSVERSE MOMENTUM: DIFFERENTIAL CROSS SECTION, +RHO%28770%290+ELECTRON+ANYTHING%22">ELECTRON P --> RHO(770)0 ELECTRON ANYTHING, +P+RHO%28765%290+2PI%2B%22">ELECTRON P --> P RHO(765)0 2PI+, QUARK PARTON [MODEL], MASS SPECTRUM: (2PI), CORNELL ES, DIFFRACTION [PRODUCTION], ELECTROPRODUCTION: RHO(770)0, DIFFERENTIAL CROSS SECTION [TRANSVERSE MOMENTUM], EXPERIMENTAL RESULTS [STREAMER CHAMBER], ELECTRON P: INELASTIC SCATTERING, RHO(770)0 [ELECTROPRODUCTION], INELASTIC SCATTERING [ELECTRON P], Z-DEPENDENCE [DIFFERENTIAL CROSS SECTION], DIFFRACTION: PRODUCTION, ENERGY DEPENDENCE [CHANNEL CROSS SECTION], MASS SPECTRUM [(2PI)], MOMENTUM TRANSFER [CHANNEL CROSS SECTION]
Abstract

(1982). doi:10.1103/PhysRevD.25.634, Cross sections for ρ0 electroproduction measured in a streamer-chamber experiment are separated into elastic (ep→epρ0) and inelastic production channels. For the elastic channel, the total cross section and t dependence are presented. For the inelastic channel (1σ)dσdz, (1σ)dσdpT2, and a density matrix element are shown and compared to quark-parton-model predictions. The ratio of ρ0 to direct π0 production is found to be 2.0±0.5±0.3, where the first error is statistical, and the second error is systematic.

Published
1980
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10. Recent Results from TASSO at PETRA

Author

Lüke, Dieter and TASSO Collaboration

Subjects
ELECTROPRODUCTION: LAMBDA, DIFFERENTIAL CROSS SECTION: X-DEPENDENCE, BRANCHING RATIO [F(1515)], PAIR PRODUCTION [LEPTON], DESY PETRA STOR, DIFFERENTIAL CROSS SECTION: ENERGY DEPENDENCE, MASS SPECTRUM [(2K0(S))], MASS SPECTRUM: (2PI+ 2PI-), ANGULAR DEPENDENCE [DIFFERENTIAL CROSS SECTION], DIFFERENTIAL CROSS SECTION [ENERGY DEPENDENCE], (K+ K-) [MASS SPECTRUM], K: ELECTROPRODUCTION, ELECTROPRODUCTION [K], TWO-PHOTON: EXCHANGE, MASS ENHANCEMENT: (2100), SEARCH FOR: HIGGS PARTICLE, PI: ELECTROPRODUCTION, ANNIHILATION: ELECTRON POSITRON, PHOTON PHOTON: INTERACTION, ELECTRON POSITRON [ELASTIC SCATTERING], ELECTRON POSITRON [ANNIHILATION], ELECTROPRODUCTION: P, ELECTROPRODUCTION: K, ELASTIC SCATTERING [ELECTRON POSITRON], ANNIHILATION [ELECTRON POSITRON], 12.0-14.0: 22.0-36.7 GEV-CMS, CHARGED PARTICLE [D*(2010)], X-DEPENDENCE [DIFFERENTIAL CROSS SECTION], POSTULATED PARTICLE: HIGGS PARTICLE, ELECTRON POSITRON [INELASTIC SCATTERING], ENERGY DEPENDENCE: DIFFERENTIAL CROSS SECTION, ELECTROPRODUCTION [PI], 22.0-36.7 GEV-CMS [12.0-14.0], X-DEPENDENCE: DIFFERENTIAL CROSS SECTION, INTERACTION: PHOTON PHOTON, BOTTOM: SEMILEPTONIC DECAY, LAMBDA [ELECTROPRODUCTION], ELECTROMAGNETIC DECAY: F(1515), ddc:530, F(1515) [ELECTROMAGNETIC DECAY], (2PI+ 2PI-): MASS SPECTRUM, MASS SPECTRUM: (2K0(S)), COLLIDING BEAMS: ELECTRON POSITRON, PAIR PRODUCTION: LEPTON, TWO-PHOTON [EXCHANGE], DIFFERENTIAL CROSS SECTION [X-DEPENDENCE], LEPTON: PAIR PRODUCTION, ELECTRON POSITRON [COLLIDING BEAMS], ENERGY DEPENDENCE [DIFFERENTIAL CROSS SECTION], EXCHANGE: TWO-PHOTON, DIFFERENTIAL CROSS SECTION: ANGULAR DEPENDENCE, LAMBDA: ELECTROPRODUCTION, ELECTROPRODUCTION: RHO(770)0, P [ELECTROPRODUCTION], ELECTRON POSITRON: ANNIHILATION, ELECTROMAGNETIC DECAY [F(1515)], EXPERIMENTAL RESULTS [REVIEW], D*(2010) [ELECTROPRODUCTION], INTERACTION [PHOTON PHOTON], (2PI+ 2PI-) [MASS SPECTRUM], ELECTROPRODUCTION [P], BRANCHING RATIO [HIGGS PARTICLE], ELECTROPRODUCTION: PI, RHO(770)0: ELECTROPRODUCTION, TASSO, SEMILEPTONIC DECAY: BOTTOM, PI [ELECTROPRODUCTION], HIGGS PARTICLE [POSTULATED PARTICLE], MASS SPECTRUM [(2PI+ 2PI-)], POSTULATED PARTICLE: TECHNIPION, ELECTROPRODUCTION [LAMBDA], YIELD [CHARGED PARTICLE], INELASTIC SCATTERING: ELECTRON POSITRON, EXCHANGE [TWO-PHOTON], ELECTRON POSITRON: INCLUSIVE REACTION, COLLIDING BEAMS [ELECTRON POSITRON], INELASTIC SCATTERING [ELECTRON POSITRON], F(1515): BRANCHING RATIO, HIGGS PARTICLE [SEARCH FOR], (K+ K-): MASS SPECTRUM, ANGULAR DEPENDENCE: DIFFERENTIAL CROSS SECTION, ELECTRON POSITRON: COLLIDING BEAMS, REVIEW: EXPERIMENTAL RESULTS, CHARGED PARTICLE: YIELD, ELASTIC SCATTERING: ELECTRON POSITRON, ASYMMETRY [CHARGED PARTICLE], ELECTROPRODUCTION [D*(2010)], SEMILEPTONIC DECAY [BOTTOM], DIFFERENTIAL CROSS SECTION [ANGULAR DEPENDENCE], HIGGS PARTICLE: BRANCHING RATIO, D*(2010): ELECTROPRODUCTION, ELECTRON POSITRON: INELASTIC SCATTERING, ELECTRON POSITRON: ELASTIC SCATTERING, ELECTROPRODUCTION [RHO(770)0], MASS SPECTRUM: (K+ K-), P: ELECTROPRODUCTION, ENERGY DEPENDENCE [MULTIPLICITY], BOTTOM [SEMILEPTONIC DECAY], CHARGED PARTICLE: ASYMMETRY, TECHNIPION [POSTULATED PARTICLE], (2K0(S)) [MASS SPECTRUM], MULTIPLICITY: ENERGY DEPENDENCE, MASS ENHANCEMENT [(2100)], LEPTON [PAIR PRODUCTION], ELECTROPRODUCTION: D*(2010), D*(2010): CHARGED PARTICLE, INCLUSIVE REACTION [ELECTRON POSITRON], MASS SPECTRUM [(K+ K-)], K [ELECTROPRODUCTION], F(1515): ELECTROMAGNETIC DECAY, RHO(770)0 [ELECTROPRODUCTION], (2100) [MASS ENHANCEMENT], (2100): MASS ENHANCEMENT, (2K0(S)): MASS SPECTRUM, PHOTON PHOTON [INTERACTION]
Abstract

(1982). doi:10.1051/jphyscol:1982313, Without abstract

Published
1982

11. RECENT EXPERIMENTAL RESULTS IN gamma gamma INTERACTIONS

Author

Field, J. H.

Subjects
MODEL: HARD SCATTERING, EXPERIMENTAL RESULTS [REVIEW], +2PI0%22">F(1270) --> 2PI0, ELECTROPRODUCTION: ETA(958), ELECTROPRODUCTION: S*(980), A2(1310): ELECTROPRODUCTION, INTERACTION [PHOTON PHOTON], HADRONIC DECAY [A2(1310)], S*(980) [HADRONIC DECAY], HADRONIC DECAY: S*(980), +2RHO%28770%290+POSITRON+ELECTRON%22">ELECTRON POSITRON --> 2RHO(770)0 POSITRON ELECTRON, RHO(770)0: ELECTROPRODUCTION, ETA(958): ELECTROPRODUCTION, S*(980): HADRONIC DECAY, HADRONIC DECAY: A2(1310), ETA(958) [RADIATIVE DECAY], F(1270) [HADRONIC DECAY], +F%281270%29+POSITRON+ELECTRON%22">ELECTRON POSITRON --> F(1270) POSITRON ELECTRON, HADRONIC DECAY [F(1270)], +PI%2B+PI%22">F(1270) --> PI+ PI, NUMERICAL CALCULATIONS: MONTE CARLO, F(1270) [ELECTROPRODUCTION], INELASTIC SCATTERING: ELECTRON POSITRON, ETA(958): RADIATIVE DECAY, MONTE CARLO [NUMERICAL CALCULATIONS], RHO(770)0: PAIR PRODUCTION, TWO-PHOTON: EXCHANGE, EXCHANGE [TWO-PHOTON], INELASTIC SCATTERING [ELECTRON POSITRON], ELECTROPRODUCTION [ETA(958)], ELECTROPRODUCTION [A2(1310)], PHOTON PHOTON: INTERACTION, ELECTROPRODUCTION [F(1270)], PAIR PRODUCTION: RHO(770)0, A2(1310) [HADRONIC DECAY], +A2%281310%29+POSITRON+ELECTRON%22">ELECTRON POSITRON --> A2(1310) POSITRON ELECTRON, REVIEW: EXPERIMENTAL RESULTS, RADIATIVE DECAY: ETA(958), A2(1310) [ELECTROPRODUCTION], +ETA%28958%29+POSITRON+ELECTRON%22">ELECTRON POSITRON --> ETA(958) POSITRON ELECTRON, +PI%2B+PI%22">S*(980) --> PI+ PI, MODEL [HARD SCATTERING], ELECTRON POSITRON [INELASTIC SCATTERING], ELECTROPRODUCTION: F(1270), +RHO%28770%29+PHOTON%22">ETA(958) --> RHO(770) PHOTON, ELECTROPRODUCTION [S*(980)], ELECTRON POSITRON: INELASTIC SCATTERING, HADRONIC DECAY: F(1270), HARD SCATTERING: MODEL, INTERACTION: PHOTON PHOTON, ELECTROPRODUCTION [RHO(770)0], +S*%28980%29+POSITRON+ELECTRON%22">ELECTRON POSITRON --> S*(980) POSITRON ELECTRON, F(1270): ELECTROPRODUCTION, ETA(958) [ELECTROPRODUCTION], TWO-PHOTON [EXCHANGE], +ETA%28549%29+PI0%22">A2(1310) --> ETA(549) PI0, HADRONIC DECAY [S*(980)], F(1270): HADRONIC DECAY, A2(1310): HADRONIC DECAY, RADIATIVE DECAY [ETA(958)], RHO(770)0 [PAIR PRODUCTION], EXCHANGE: TWO-PHOTON, ELECTROPRODUCTION: A2(1310), HARD SCATTERING [MODEL], ELECTROPRODUCTION: RHO(770)0, RHO(770)0 [ELECTROPRODUCTION], PAIR PRODUCTION [RHO(770)0], S*(980): ELECTROPRODUCTION, S*(980) [ELECTROPRODUCTION], PHOTON PHOTON [INTERACTION]
Abstract

61 pp. (1981).

Published
1981
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12. Messung und Analyse der Reaktion $\gamma \gamma \rightarrow \pi^{+} \pi^{-} \pi^{+} \pi^{-}$ mit PLUTO

Author

Müller, Hermann

Subjects
two-photon [exchange], +2pi%2B+2pi-+positron+electron%22">electron positron --> 2pi+ 2pi- positron electron, (2pi+ 2pi-) [final state], (rho(770)0 pi+ pi-) [final state], (2rho(770)0) [final state], electron positron: inelastic scattering, model: pole, momentum transfer [channel cross section], exclusive reaction [photon photon], pi: electroproduction, PLUTO, final state: (rho(770)0 pi+ pi-), rho(770)0: electroproduction, electroproduction [pi], final state: (2rho(770)0), form factor, exchange: two-photon, electroproduction [rho(770)0], photon photon: exclusive reaction, inelastic scattering [electron positron], pole [model], thesis, final state: (2pi+ 2pi-), parity [spin], bibliography, electron positron: colliding beams, spin: parity, DESY PETRA Stor, colliding beams [electron positron], channel cross section: momentum transfer, experimental results
Abstract

229 pp. (1987).

Published
1987
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13. RECENT RESULTS ON THE REACTIONS $\gamma \gamma \to \eta'$, $\mathrm A_2$, $(5 \pi)^0$ AND UPPER LIMITS ON $\gamma \gamma \to \rho^0 \omega$ AND $\gamma \gamma \to \omega \omega$ PRODUCTION

Author

Grunhaus, Jacob and PLUTO Collaboration

Subjects
ELECTROPRODUCTION [OMEGA(783)], ELECTROPRODUCTION: OMEGA(783), ELECTRON POSITRON [INELASTIC SCATTERING], ETA(958): FORM FACTOR, PAIR PRODUCTION [VECTOR MESON], ELECTROPRODUCTION: ETA(958), DESY PETRA STOR, ELECTRON POSITRON: INELASTIC SCATTERING, TALK, PHOTON PHOTON: EXCLUSIVE REACTION, OMEGA(783): ELECTROPRODUCTION, ELECTROPRODUCTION [A2(1320)], EXCLUSIVE REACTION [PHOTON PHOTON], ELECTROPRODUCTION [RHO(770)0], RHO(770)0: ELECTROPRODUCTION, ETA(958): ELECTROPRODUCTION, PLUTO, VECTOR MESON: PAIR PRODUCTION, VECTOR MESON [PAIR PRODUCTION], APPROX. 34.7 GEV-CMS, ETA(958) [ELECTROPRODUCTION], FORM FACTOR: ETA(958), COLLIDING BEAMS: ELECTRON POSITRON, EXPERIMENTAL RESULTS, TWO-PHOTON [EXCHANGE], UPPER LIMIT [CHANNEL CROSS SECTION], INELASTIC SCATTERING: ELECTRON POSITRON, A2(1320) [ELECTROPRODUCTION], TWO-PHOTON: EXCHANGE, CHANNEL CROSS SECTION: BRANCHING RATIO, EXCHANGE [TWO-PHOTON], A2(1320): QUANTUM NUMBER, COLLIDING BEAMS [ELECTRON POSITRON], INELASTIC SCATTERING [ELECTRON POSITRON], ELECTROPRODUCTION [ETA(958)], ELECTRON POSITRON [COLLIDING BEAMS], ELECTRON POSITRON: COLLIDING BEAMS, A2(1320): ELECTROPRODUCTION, EXCHANGE: TWO-PHOTON, ELECTROPRODUCTION: A2(1320), QUANTUM NUMBER [A2(1320)], PAIR PRODUCTION: VECTOR MESON, BRANCHING RATIO [CHANNEL CROSS SECTION], FORM FACTOR [ETA(958)], CHANNEL CROSS SECTION: UPPER LIMIT, ELECTROPRODUCTION: RHO(770)0, RHO(770)0 [ELECTROPRODUCTION], OMEGA(783) [ELECTROPRODUCTION], ETA(958) [FORM FACTOR]
Abstract

11 pp. (1984).

Published
1984
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14. TWO PHOTON INTERACTIONS

Author

Cords, Dieter

Subjects
(2JET): FINAL STATE, DIFFERENTIAL CROSS SECTION: X-DEPENDENCE, +F%281515%29+POSITRON+ELECTRON%22">ELECTRON POSITRON --> F(1515) POSITRON ELECTRON, MODEL: HARD SCATTERING, A2(1310): RADIATIVE DECAY, RADIATIVE DECAY: F(1270), MODEL: PARTON, DESY PETRA STOR, A2(1310): ELECTROPRODUCTION, MASS SPECTRUM [(2K0(S))], +RHO%28770%29%2B+PI%22">A2(1310) --> RHO(770)+ PI, +2RHO%28770%290+POSITRON+ELECTRON%22">ELECTRON POSITRON --> 2RHO(770)0 POSITRON ELECTRON, HADRONIC DECAY [A2(1310)], MASS SPECTRUM [(PI+ PI-)], MASS SPECTRUM: (2PI+ 2PI-), HIGH [TRANSVERSE MOMENTUM], STRUCTURE FUNCTION: X-DEPENDENCE, +RHO%28770%29-+PI%2B%22">A2(1310) --> RHO(770)- PI+, F(1270) [HADRONIC DECAY], +F%281270%29+POSITRON+ELECTRON%22">ELECTRON POSITRON --> F(1270) POSITRON ELECTRON, (PI+ PI-): MASS SPECTRUM, THETA(1640) [POSTULATED PARTICLE], (K+ K-) [MASS SPECTRUM], +JET+POSITRON+ELECTRON+ANYTHING%22">ELECTRON POSITRON --> JET POSITRON ELECTRON ANYTHING, +PI%2B+PI%22">F(1270) --> PI+ PI, TWO-PHOTON: EXCHANGE, MASS ENHANCEMENT: (2100), PI: ELECTROPRODUCTION, RADIATIVE DECAY [A2(1310)], ELECTROPRODUCTION [A2(1310)], PHOTON PHOTON: INTERACTION, ELECTROPRODUCTION [F(1270)], A2(1310) [HADRONIC DECAY], ELECTROPRODUCTION: P, FINAL STATE: (2JET), A2(1310) [ELECTROPRODUCTION], PI [PAIR PRODUCTION], RADIATIVE DECAY: F(1515), X-DEPENDENCE [DIFFERENTIAL CROSS SECTION], +2K0%28S%29%22">F(1515) --> 2K0(S), MODEL [HARD SCATTERING], F(1270): RADIATIVE DECAY, MULTIPLE PRODUCTION [HADRON], ELECTRON POSITRON [INELASTIC SCATTERING], PAIR PRODUCTION [PI], ELECTROPRODUCTION: F(1270), ELECTROPRODUCTION [PI], TRANSVERSE MOMENTUM [DIFFERENTIAL CROSS SECTION], RADIATIVE DECAY: A2(1310), X-DEPENDENCE: DIFFERENTIAL CROSS SECTION, INTERACTION: PHOTON PHOTON, DIFFERENTIAL CROSS SECTION: TRANSVERSE MOMENTUM, MASS SPECTRUM: (PI+ PI-), F(1270): ELECTROPRODUCTION, F(1515): HADRONIC DECAY, (2PI+ 2PI-): MASS SPECTRUM, MASS SPECTRUM: (2K0(S)), FINAL STATE [(2JET)], MASS SPECTRUM: (2PI0), COLLIDING BEAMS: ELECTRON POSITRON, +P+ANTI-P+POSITRON+ELECTRON%22">ELECTRON POSITRON --> P ANTI-P POSITRON ELECTRON, TWO-PHOTON [EXCHANGE], JET: ELECTROPRODUCTION, MASS SPECTRUM [(PI+ PI- PI0)], DIFFERENTIAL CROSS SECTION [X-DEPENDENCE], F(1515) [ELECTROPRODUCTION], F(1270): HADRONIC DECAY, A2(1310): HADRONIC DECAY, ELECTRON POSITRON [COLLIDING BEAMS], ELECTROPRODUCTION: F(1515), (PI+ PI- PI0): MASS SPECTRUM, EXCHANGE: TWO-PHOTON, ELECTROPRODUCTION: A2(1310), ELECTROPRODUCTION: RHO(770)0, +K%2B+K%22">F(1515) --> K+ K, P [ELECTROPRODUCTION], ENERGY DEPENDENCE [CHANNEL CROSS SECTION], (2PI0): MASS SPECTRUM, X-DEPENDENCE [STRUCTURE FUNCTION], EXPERIMENTAL RESULTS [REVIEW], +2PI0%22">F(1270) --> 2PI0, P [PAIR PRODUCTION], GLUEBALL, BIBLIOGRAPHY, PAIR PRODUCTION [P], INTERACTION [PHOTON PHOTON], (2PI+ 2PI-) [MASS SPECTRUM], ELECTROPRODUCTION [P], +PI%2B+PI-+POSITRON+ELECTRON%22">ELECTRON POSITRON --> PI+ PI- POSITRON ELECTRON, MULTIPLE PRODUCTION: HADRON, ELECTROPRODUCTION: PI, RHO(770)0: ELECTROPRODUCTION, HADRONIC DECAY: A2(1310), PAIR PRODUCTION: PI, F(1270) [RADIATIVE DECAY], PI [ELECTROPRODUCTION], MASS SPECTRUM [(2PI+ 2PI-)], RADIATIVE DECAY [F(1515)], F(1515): RADIATIVE DECAY, HADRONIC DECAY [F(1270)], F(1515): ELECTROPRODUCTION, QUANTUM CHROMODYNAMICS, INELASTIC SCATTERING: ELECTRON POSITRON, F(1270) [ELECTROPRODUCTION], RHO(770)0: PAIR PRODUCTION, HADRONIC DECAY [F(1515)], HADRONIC DECAY: F(1515), EXCHANGE [TWO-PHOTON], JET [ELECTROPRODUCTION], ELECTRON POSITRON: INCLUSIVE REACTION, ELECTROPRODUCTION: JET, PAIR PRODUCTION: P, COLLIDING BEAMS [ELECTRON POSITRON], HADRON [MULTIPLE PRODUCTION], INELASTIC SCATTERING [ELECTRON POSITRON], TRANSVERSE MOMENTUM: DIFFERENTIAL CROSS SECTION, (K+ K-): MASS SPECTRUM, PAIR PRODUCTION: RHO(770)0, ELECTRON POSITRON: COLLIDING BEAMS, RATIO [TOTAL CROSS SECTION], +A2%281310%29+POSITRON+ELECTRON%22">ELECTRON POSITRON --> A2(1310) POSITRON ELECTRON, REVIEW: EXPERIMENTAL RESULTS, POSTULATED PARTICLE: THETA(1640), ELECTROPRODUCTION [JET], A2(1310) [RADIATIVE DECAY], MASS SPECTRUM [(2PI0)], (PI+ PI-) [MASS SPECTRUM], ELECTROPRODUCTION [F(1515)], PI: PAIR PRODUCTION, RATIO: TOTAL CROSS SECTION, TOTAL CROSS SECTION [RATIO], ELECTRON POSITRON: INELASTIC SCATTERING, HADRONIC DECAY: F(1270), HARD SCATTERING: MODEL, CHANNEL CROSS SECTION: ENERGY DEPENDENCE, (2JET) [FINAL STATE], ELECTROPRODUCTION [RHO(770)0], MASS SPECTRUM: (K+ K-), P: ELECTROPRODUCTION, RADIATIVE DECAY [F(1270)], TOTAL CROSS SECTION: RATIO, STRUCTURE FUNCTION [PHOTON], (2K0(S)) [MASS SPECTRUM], MASS ENHANCEMENT [(2100)], TRANSVERSE MOMENTUM: HIGH, F(1515) [RADIATIVE DECAY], HADRON: MULTIPLE PRODUCTION, (PI+ PI- PI0) [MASS SPECTRUM], (2PI0) [MASS SPECTRUM], INCLUSIVE REACTION [ELECTRON POSITRON], RHO(770)0 [PAIR PRODUCTION], MASS SPECTRUM [(K+ K-)], MASS SPECTRUM: (PI+ PI- PI0), HARD SCATTERING [MODEL], F(1515) [HADRONIC DECAY], P: PAIR PRODUCTION, DIFFERENTIAL CROSS SECTION [TRANSVERSE MOMENTUM], RHO(770)0 [ELECTROPRODUCTION], (2100) [MASS ENHANCEMENT], PAIR PRODUCTION [RHO(770)0], PHOTON: STRUCTURE FUNCTION, (2100): MASS ENHANCEMENT, PARTON [MODEL], (2K0(S)): MASS SPECTRUM, PHOTON PHOTON [INTERACTION]
Abstract

40 pp. (1982).

Published
1982

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