Skip to search
Skip to main content
Back to Search
Start Over
Direct Measurement of the W-gamma Coupling At the Cern Pbarp Collider
Authors :
ALITTI, J AMBROSINI, G ANSARI, R AUTIERO, D BAREYRE, P BERTRAM, I BLAYLOCK, G BONAMY, P BORER, K BOURLIAUD, M BUSKULIC, D CARBONI, G CAVALLI, D CAVASINNI, V CENCI, P CHOLLET, J CONTA, C COSTA, G COSTANTINI, F COZZI, L CRAVERO, A CURATOLO, M DELLACQUA, A DELPRETE, T DEWOLF, R DILELLA, L DUCROS, Y EGAN, G EINSWEILER, K ESPOSITO, B FAYARD, L FEDERSPIEL, A FERRARI, R FRATERNALI, M FROIDEVAUX, D FUMAGALLI, G GAILLARD, J GIANOTTI, F GILDEMEISTER, O GOSSLING, C GOGGI, V GRUNENDAHL, S HARA, K HELLMAN, S HRIVNAC, J HUFNAGEL, H HUGENTOBLER, E HULTQVIST, K IACOPINI, E INCANDELA, J JAKOBS, K JENNI, P KLUGE, E 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, J MONIEZ, M MONING, R MORGANTI, M MULLER, L MUNDAY, D NESSI, M NESSITEDALDI, F ONIONS, C PAL, T PARKER, M PARROUR, G PASTORE, F PENNACCHIO, E PENTNEY, J PEPE, M PERINI, L PETRIDOU, C PETROFF, P PLOTHOWBESCH, H POLESELLO, G POPPLETON, A PRETZL, K PRIMAVERA, M PUNTURO, M REPELLIN, J RIMOLDI, A SACCHI, M SCAMPOLI, P SCHACHER, J SCHMIDT, B SIMAK, V SINGH, S SONDERMANN, V SPIWOKS, R STAPNES, S TALAMONTI, C TONDINI, F TOVEY, S TSESMELIS, E UNAL, G VALDATANAPPI, M VERCESI, V WEIDBERG, A WELLS, P WHITE, T WOOD, D WOTTON, S ZACCONE, H ZYLBERSTEJN, A J., Alitti G., Ambrosini R., Ansari D., Autiero P., Bareyre I. A., Bertram G., Blaylock P., Bonamy K., Borer M., Bourliaud D., Buskulic G., Carboni D., Cavalli V., Cavasinni P., Cenci J. C., Chollet C., Conta G., Costa F., Costantini L., Cozzi A., Cravero M., Curatolo A., Dellacqua T., Delprete R. S., Dewolf L., Dilella Y., Ducro G. F., Egan K. F., Einsweiler B., Esposito L., Fayard A., Federspiel R., Ferrari M., Fraternali D., Froidevaux G., Fumagalli J. M., Gaillard F., Gianotti O., Gildemeister C., Gossling V. G., Goggi S., Grunendahl K., Hara S., Hellman J., Hrivnac H., Hufnagel E., Hugentobler K., Hultqvist E., Iacopini J., Incandela K., Jakob P., Jenni E. E., Kluge N., Kurz S., Lami P., Lariccia M., Lefebvre L., Linssen M., Livan P., Lubrano C., Magneville L., Mandelli L., Mapelli M., Mazzanti K., Meier B., Merkel J. P., Meyer M., Moniez R., Moning M., Morganti L., Muller D. J., Munday M., Nessi F., Nessitedaldi C., Onion T., Pal M. A., Parker G., Parrour F., Pastore E., Pennacchio J. M., Pentney M., Pepe L., Perini C., Petridou P., Petroff H., Plothowbesch G., Polesello A., Poppleton K., Pretzl M., Primavera M., Punturo J. P., Repellin A., Rimoldi M., Sacchi Scampoli, Paola J., Schacher B., Schmidt V., Simak S. L., Singh V., Sondermann R., Spiwok S., Stapne C., Talamonti F., Tondini S. N., Tovey E., Tsesmeli G., Unal M., Valdatanappi V., Vercesi A. R., Weidberg P. S., Well T. O., White D. R., Wood S. A., Wotton H., Zaccone A., Zylberstejn
Publication Year :
1992
Abstract
The process ppBAR --> e-nu-gamma + X is studied as square-root s = 630 GeV. The observed signal is used to extract a direct measurement of the parameters-kappa and lambda which define the magnetic dipole and electric quadrupole moments of the W boson and therefore the WW-gamma coupling. We find kappa = 1(-2.2)+2.6 and lambda = 0(-1.8)+1.7 and their 95% confidence limits -3.5 < kappa < 5.9 and -3.6 < lambda < 3.5. The results are model independent and in good agreement with the standard model values, kappa = 1 and lambda = 0.
Details
Language :
English
Database :
OpenAIRE
Accession number :
edsair.dedup.wf.001..17528dc66b0814bb494d443ae1ab36ba