Measurement of the Gluon Structure-function From Direct Photon Data At the Cern (p)over-bar-p Collider

Autor: Alitti, J., Ambrosini, G., Ansari, R., Autiero, D., Bareyre, P., Bertram, Ia, Blaylock, G., Bonamy, P., Borer, K., Bourliaud, M., Buskulic, D., Carboni, G., Cavalli, D., Cavasinni, V., Cenci, P., Chollet, Jc, Conta, C., Costa, G., Costantini, F., Cozzi, L., Cravero, A., Curatolo, M., Dellacqua, A., Delprete, T., Dewolf, Rs, Dilella, L., Ducros, Y., Egan, Gf, Einsweiler, Kf, Esposito, B., Fayard, L., Federspiel, A., Ferrari, R., Fraternali, M., Froidevaux, D., Fumagalli, G., Gaillard, Jm, Gianotti, F., Gildemeister, O., Gossling, C., Goggi, Vg, Grunendahl, S., Hara, K., Hellman, S., Hrivnac, J., Hufnagel, H., Hugentobler, E., Hultqvist, K., Enrico Iacopini, Incandela, J., Jacobs, K., Jenni, P., Kluge, Ee, Kurz, N., Lami, S., Lariccia, P., Lefebvre, M., Linssen, L., Livan, M., Lubrano, P., Magneville, C., Malgeri, L., Mandelli, L., Mapelli, L., Mazzanti, M., Meier, K., Merkel, B., Meyer, Jp, Moniez, M., Moning, R., Morganti, M., Muller, L., Munday, Dj, Nessi, M., Nessitedaldi, F., Onions, C., Pal, T., Parker, Ma, Parrour, G., Pastore, F., Pennacchio, E., Pentney, Jm, Pepe, M., Perini, L., Petridou, C., Petroff, P., Plothowbesch, H., Polesello, G., Poppleton, A., Pretzl, K., Primavera, M., Punturo, M., Repellin, Jp, Rimoldi, A., Sacchi, M., Scampoli, P., Schacher, J., Schmidt, B., Simak, V., Singh, Sl, Sondermann, V., Spiwoks, R., Stapnes, S., Cinzia Talamonti, Tondini, F., Tovey, Sn, Tsesmelis, E., Unal, G., Valdatanappi, M., Vercesi, V., Weidberg, Ar, Wells, Ps, White, To, Wood, Dr, Wotton, Sa, Zaccone, H., Zylberstejn, A.

Publikováno v: Università degli studi di Firenze-IRIS

A measurement of the gluon structure fusion using direct photon events observed with the UA2 detector in ppBAR collisions at square-root s = 630 GeV is presented. The x-range covered by this analysis is between 0.049 and 0.207 and the Q2 range is bet

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::a3c630bcc0da5b8f1d28698852d3ee13
http://hdl.handle.net/11588/472721

Experimental Limit On the Decay W+--]pi+-gamma At the Cern Pbarp Collider

Autor: Alitti, J, Ambrosini, G, Ansari, R, Autiero, D, Bareyre, P, Bertram, Ia, Blaylock, G, Bonamy, P, Borer, K, Bourliaud, M, Buskulic, D, Carboni, G, Cavalli, D, Cavasinni, Vincenzo, Cenci, P, Chollet, Jc, Conta, C, Costa, G, Costantini, Flavio, Cozzi, L, Cravero, A, Curatolo, M, Dellacqua, A, Delprete, T, Dewolf, Rs, Dilella, L, Ducros, Y, Egan, Gf, Einsweiler, Kf, Esposito, B, Fayard, L, Federspiel, A, Ferrari, R, Fraternali, M, Froidevaux, D, Fumagalli, G, Gaillard, Jm, Gianotti, F, Gildemeister, O, Gossling, C, Goggi, Vg, Grunendahl, S, Hara, K, Hellman, S, Hrivnac, J, Hufnagel, H, Hugentobler, E, Hultqvist, K, Iacopini, E, Incandela, J, Jakobs, K, Jenni, P, Kluge, Ee, Kurz, N, Lami, S, Lariccia, P, Lefebvre, M, Linssen, L, Livan, M, Lubrano, P, Magneville, C, Mandelli, L, Mapelli, L, Mazzanti, M, Meier, K, Merkel, B, Meyer, Jp, Moniez, M, Moning, R, Morganti, M, Muller, L, Munday, Dj, Nessi, M, Nessitedaldi, F, Onions, C, Pal, T, Parker, Ma, Parrour, G, Pastore, F, Pennacchio, E, Pentney, Jm, Pepe, M, Perini, L, Petridou, C, Petroff, P, Plothowbesch, H, Polesello, G, Poppleton, A, Pretzl, K, Primavera, M, Punturo, M, Repellin, Jp, Rimoldi, A, Sacchi, M, Scampoli, P, Schacher, J, Schmidt, B, Simak, V, Singh, Sl, Sondermann, V, Spiwoks, R, Stapnes, S, Talamonti, C, Tondini, F, Tovey, Sn, Tsesmelis, E, Unal, G, Valdatanappi, M, Vercesi, V, Weidberg, Ar, Wells, Ps, White, To, Wood, Dr, Wotton, Sa, Zaccone, H, Zylberstejn, A.

Results are given on a search for the decay W+/- --> pi+/--gamma with the UA2 detector in ppBAR collisions at square-root s = 630 GeV. No signal for such a process is observed and upper limits on the ratio R = GAMMA(W+/- --> pi+/--gamma)/GAMMA(W+/- -

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::6ce2457e91993a4e2ab1a6d953ac43ad
http://hdl.handle.net/11588/472725

A study of three-jet events at the CERN {Mathematical expression} collider

Autor: Appel, JA, Bagnaia, P, Banner, M, Battiston, R, Bernlöhr, K, Borer, K, Borghini, M, Bürger, J, Carboni, G, Cavasinni, V, Cenci, P, Chollet, J-C, Clark, AG, Codino, A, Conta, C, Darriulat, P, De Lotto, B, Del Prete, T, Di Lella, L, Dines-Hansen, J, Einsweiler, K, Engelmann, R, Fayard, L, Fraternali, M, Froidevaux, D, Gaillard, J-M, Gildemeister, O, Goggi, VG, Gössling, C, Hahn, B, Hänni, H, Hansen, JR, Hansen, P, Harnew, N, Himel, T, Iconomidou-Fayard, L, Jakobs, K, Jenni, P, Kluge, EE, Kofoed-Hansen, O, Lançon, E, Livan, M, Loucatos, S, Madsen, B, Mani, P, Mansoulié, B, Mantovani, GC, Mapelli, L, Meier, K, Merkel, B, Mollerud, R, Moniez, M, Moning, R, Morganti, M, Onions, C, Parker, MA, Parrour, G, Pastore, F, Pepe, M, Plothow-Besch, H, Polverel, M, Repellin, J-P, Rimoldi, A, Rothenberg, AF, Roussarie, A, Ruhlmann, V, Sauvage, G, Schacher, J, Schlötelburg, M, Stocker, F, Swartz, M, Teiger, J, Tovey, SN, Tsang, WY, Valdata-Nappi, M, Vercesi, V, Weidberg, AR, Wunsch, M, Zaccone, H

Publikováno v: Zeitschrift für Physik C Particles and Fields. 30(3)

The UA2 experiment, running at the CERN SPS {Mathematical expression} Collider, has performed a study of events containing three hard jets in the final state. The angular distributions of the three jets show evidence for gluon bremsstrahlung, in good

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______1064::a497b07076236aaa06d6bccb6ad4815e
http://ora.ox.ac.uk/objects/uuid:2f418b7a-75f6-4c26-a0e7-e5a610498a6f

A STUDY OF 3-JET EVENTS AT THE CERN PP COLLIDER

Autor: Appel, Ja, Bagnaia, Paolo, Banner, M, Battiston, R, Bernlohr, K, Borer, K, Borghini, M, Burger, J, Carboni, G, Cavasinni, V, Cenci, P, Chollet, Jc, Clark, Ag, Codino, A, Conta, C, Darriulat, P, Delotto, B, Delprete, T, Dilella, L, Dineshansen, J, Einsweiler, K, Engelmann, R, Fayard, L, Fraternali, M, Froidevaux, D, Gaillard, Jm, Gildemeister, O, Goggi, Vg, Gossling, C, Hahn, B, Hanni, H, Hansen, Jr, Hansen, P, Harnew, N, Himel, T, Iconomidoufayard, L, Jakobs, K, Jenni, P, Kluge, Ee, Kofoedhansen, O, Lancon, E, Livan, M, Loucatos, S, Madsen, B, Mani, P, Mansoulie, B, Mantovani, Gc, Mapelli, L, Meier, K, Merkel, B, Mollerud, R, Moniez, M, Moning, R, Morganti, M, Onions, C, Parker, Ma, Parrour, G, Pastore, F, Pepe, M, Plothowbesch, H, Polverel, M, Repellin, Jp, Rimoldi, A, Rothenberg, Af, Roussarie, A, Ruhlmann, V, Sauvage, G, Schacher, J, Schlotelburg, M, Stocker, F, Swartz, M, Teiger, J, Tovey, Sn, Tsang, Wy, Valdatanappi, M, Vercesi, V, Weidberg, Ar, Wunsch, M, Zaccone, H.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::c3cff772bd6c7d9a8981a230dcd80655
http://hdl.handle.net/11568/10459

MEASUREMENT OF THE SQUARE-ROOTS DEPENDENCE OF JET PRODUCTION AT THE CERN PBARP COLLIDER

Autor: Appel, Ja, Bagnaia, Paolo, Banner, M, Battiston, R, Bernlohr, K, Borer, K, Borghini, M, Carboni, G, Cavasinni, V, Cenci, P, Chollet, Jc, Clark, Ag, Codino, A, Conta, C, Darriulat, P, Delotto, B, Delprete, T, Dilella, L, Dineshansen, J, Einsweiler, K, Engelmann, R, Fayard, L, Fraternali, M, Froidevaux, D, Gaillard, Jm, Gildemeister, O, Goggi, Vg, Gossling, C, Hahn, B, Hanni, H, Hansen, Jr, Hansen, P, Harnew, N, Himel, T, Iconomidoufayard, L, Jenni, P, Kluge, Ee, Kofoedhansen, O, Lancon, E, Livan, M, Loucatos, S, Madsen, B, Mani, P, Mansoulie, B, Mantovani, Gc, Mapelli, L, Meier, K, Merkel, B, Mollerud, R, Moniez, M, Moning, R, Morganti, M, Onions, C, Parrour, G, Pastore, F, Pepe, M, Plothowbesch, H, Polverel, M, Putzer, A, Rasmussen, Lo, Repellin, Jp, Rimoldi, A, Rothenberg, Af, Roussarie, A, Ruhlmann, V, Sauvage, G, Schacher, J, Schlotelburg, M, Stocker, F, Swartz, M, Teiger, J, Tittel, K, Tovey, Sn, Tsang, Wy, Valdatanappi, M, Vercesi, V, Weidberg, Ar, Wunsch, M, Zaccone, H.

Publikováno v: PHYSICS LETTERS B. 160(4-5)

The production of very large transverse momentum (pT) hadron jets has been measured in the UA2 experiment at the CERN pp Collider for s=630 GeV. The inclusive jet production cross sections exhibit a pT-dependent increase with respect to the s=546 GeV

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::e8a6634d72d9ff299faf19aa2b8af16b
http://ora.ox.ac.uk/objects/uuid:3fadf8cf-7b79-420e-b586-a40edbbaab2c