SEARCH FOR NONMINIMAL HIGGS BOSONS IN Z0 DECAYS

ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS 57:3 (1993) 355-381

Authors:

O ADRIANI, M AGUILARBENITEZ, S AHLEN, J ALCARAZ, A ALOISIO, G ALVERSON, MG ALVIGGI, G AMBROSI, Q AN, H ANDERHUB, AL ANDERSON, VP ANDREEV, L ANTONOV, D ANTREASYAN, P ARCE, A AREFIEV, A ATAMANCHUK, T AZEMOON, T AZIZ, PVKS BABA, P BAGNAIA, JA BAKKEN, L BAKSAY, RC BALL, S BANERJEE, J BAO, R BARILLERE, L BARONE, A BASCHIROTTO, R BATTISTON, A BAY, F BECATTINI, U BECKER, F BEHNER, J BEHRENS, GL BENCZE, J BERDUGO, P BERGES, B BERTUCCI, BL BETEV, M BIASINI, A BILAND, GM BILEI, R BIZZARRI, JJ BLAISING, GJ BOBBINK, R BOCK, A BOHM, B BORGIA, M BOSETI, D BOURILKOV, M BOURQUIN, D BOUTIGNY, B BOUWENS, E BRAMBILLA, JG BRANSON, IC BROCK, M BROOKS, A BUJAK, JD BURGER, WJ BURGER, J BUSENITZ, XD CAI, M CAPELL, M CARIA, G CARLINO, AM CARTACCI, R CASTELLO, M CERRADA, F CESARONI, YH CHANG, UK CHATURVEDI, M CHEMARIN, A CHEN, C CHEN, GM CHEN, HF CHEN, HS CHEN, M CHEN, WY CHEN, G CHIEFARI, CY CHIEN, MT CHOI, S CHUNG, C CIVININI, I CLARE, R CLARE, TE COAN, HO COHN, G COIGNET, N COLINO, A CONTIN, XT CUI, XY CUI, TS DAI, R DALESSANDRO, R DEASMUNDIS, A DEGRE, K DEITERS, E DENES, P DENES, F DENOTARISTEFANI, M DHINA, D DIBITONTO, M DIEMOZ, HR DIMITROV, C DIONISI, L DJAMBAZOV, MT DOVA, E DRAGO, T DRIEVER, D DUCHESNEAU, P DUINKER, I DURAN, S EASO, H ELMAMOUNI, A ENGLER, FJ EPPLING, FC ERNE, P EXTERMANN, R FABBRETTI, M FABRE, S FALCIANO, SJ FAN, O FACKLER, J FAY, M FELCINI, T FERGUSON, D FERNANDEZ, G FERNANDEZ, F FERRONI, H FESEFELDT, E FIANDRINI, J FIELD, F FILTHAUT, G FINOCCHIARO, PH FISHER, G FORCONI, T FOREMAN, K FREUDENREICH, W FRIEBEL, M FUKUSHIMA, M GAILLOUD, Y GALAKTIONOV, E GALLO, SN GANGULI, P GARCIAABIA, D GELE, S GENTILE, S GOLDFARB, ZF GONG, E GONZALEZ, A GOUGAS, D GOUJON, G GRATTA, M GRUENEWALD, C GU, M GUANZIROLI, JK GUO, VK GUPTA, A GURTU, HR GUSTAFSON, LJ GUTAY, K HANGARTER, A HASAN, D HAUSCHILDT, CF HE, JT HE, T HEBBEKER, M HEBER, C HERTEN, A HERVE, K HILGERS, H HOFER, H HOORANI, G HU, GQ HU, B ILLE, MM ILYAS, V INNOCENTE, H JANSSEN, S JEZEQUEL, BN JIN, A KASSER, RA KHAN, Y KAMYSHKOV, P KAPINOS, JS KAPUSTINSKY, Y KARYOTAKIS, M KAUR, S KHOKHAR, MN KIENZLEFOCACCI, JK KIM, SC KIM, YG KIM, WW KINNISON, D KIRKBY, S KIRSCH, W KITTEL, A KLIMENTOV, AC KONIG, E KOFFEMAN, O KORNADT, V KOUTSENKO, A KOULBARDIS, RW KRAEMER, T KRAMER, VR KRASTEV, W KRENZ, A KRIVSHICH, H KUIJTEN, KS KUMAR, A KUNIN, G LANDI, D LANSKE, S LANZANO, P LEBRUN, P LECOMTE, P LECOQ, P LECOULTRE, DM LEE, I LEEDOM, C LEGGETT, JM LEGOFF, R LEISTE, M LENTI, E LEONARDI, X LEYTENS, C LI, HT LI, PJ LI, JY LIAO, WT LIN, ZY LIN, FL LINDE, B LINDEMANN, L LISTA, Y LIU, W LOHMANN, E LONGO, YS LU, JM LUBBERS, K LUBELSMEYER, C LUCI, D LUCKEY, L LUDOVICI, L LUMINARI, W LUSTERMANN, JM MA, WG MA, M MACDERMOTT, PK MALHOTRA, R MALIK, A MALININ, C MANA, M MAOLINBAY, P MARCHESINI, F MARION, A MARIN, JP MARTIN, L MARTINEZLASO, F MARZANO, GGG MASSARO, K MAZUMDAR, P MCBRIDE, T MCMAHON, D MCNALLY, M MERK, L MEROLA, M MESCHINI, WJ METZGER, Y MI, GB MILLS, Y MIR, G MIRABELLI, J MNICH, M MOLLER, B MONTELEONI, R MORAND, S MORGANTI, NE MOULAI, R MOUNT, S MULLER, A NADTOCHY, E NAGY, M NAPOLITANO, H NEWMAN, C NEYER, MA NIAZ, A NIPPE, H NOWAK, G ORGANTINI, D PANDOULAS, S PAOLETTI, P PAOLUCCI, G PASCALA, G PASSALEVA, S PATRICELLI, T PAUL, M PAULUZZI, C PAUS, F PAUSS, YJ PEI, S PENSOTTI, D PERRETGALLIX, J PERRIER, A PEVSNER, D PICCOLO, M PIERI, PA PITOUE, F PLASIL, V PLYASKIN, M POHL, V POJIDAEV, H POSTEMA, ZD QI, JM QIAN, KN QURESHI, R RAGHAVAN, G RAHALCALLOT, PG RANCOITA, M RATTAGGI, G RAVEN, P RAZIS, K READ, D REN, Z REN, M RESCIGNO, S REUCROFT, A RICKER, S RIEMANN, W RIEMERS, O RIND, HA RIZVI, FJ RODRIGUEZ, M ROHNER, S ROHNER, L ROMERO, J ROSE, S ROSIERLEES, R ROSMALEN, P ROSSELET, A RUBBIA, JA RUBIO, H RYKACZEWSKI, M SACHWITZ, E SAJAN, J SALICIO, JM SALICIO, GS SANDERS, A SANTOCCHIA, MS SARAKINOS, G SARTORELLI, M SASSOWSKY, G SAUVAGE, V SCHEGELSKY, D SCHMITZ, P SCHMITZ, M SCHNEEGANS, H SCHOPPER, DJ SCHOTANUS, S SHOTKIN, HJ SCHREIBER, J SHUKLA, R SCHULTE, S SCHULTE, K SCHULTZE, J SCHWENKE, G SCHWERING, C SCIACCA, I SCOTT, R SEHGAL, PG SEILER, JC SENS, L SERVOLI, I SHEER, DZ SHEN, S SHEVCHENKO, XR SHI, E SHUMILOV, V SHOUTKO, D SON, A SOPCZAK, C SPARTIOTIS, T SPICKERMANN, P SPILLANTINI, R STAROSTA, M STEUER, DP STICKLAND, F STICOZZI, H STONE, K STRAUCH, BC STRINGFELLOW, K SUDHAKAR, G SULTANOV, LZ SUN, H SUTER, JD SWAIN, AA SYED, XW TANG, L TAYLOR, G TERZI, SCC TING, SM TING, M TONUTTI, SC TONWAR, J TOTH, A TSAREGORODTSEV, G TSIPOLITIS, C TULLY, KI TUNG, J ULBRICHT, L URBAN, U UWER, E VALENTE, RT VANDEWALLE, I VETLITSKY, G VIERTEL, P VIKAS, U VIKAS, M VIVARGENT, H VOGEL, H VOGT, I VOROBIEV, AA VOROBOYOV, L VUILLEUMIER, M WADHWA, W WALLRAFF, C WANG, CR WANG, GH WANG, XL WANG, YF WANG, ZM WANG, A WEBER, J WEBER, R WEILL, TJ WENAUS, J WENNINGER, M WHITE, C WILLMOTT, F WITTGENSTEIN, D WRIGHT, SX WU, B WYSLOUCH, YY XIE, JG XU, ZZ XU, ZL XUE, DS YAN, BZ YANG, CG YANG, LG YANG, CH YE, JB YE, Q YE, SC YEH, ZW YIN, JM YOU, N YUNUS, M YZERMAN, C ZACCARDELLI, P ZEMP, M ZENG, Y ZENG, DH ZHANG, ZP ZHANG, B ZHOU, GJ ZHOU, RY ZHU, A ZICHICHI, BCC VANDERZWAAN

SEARCH FOR THE DECAY K(S)- PI(0)E+E

304 (1993) 381-385

Authors:

GD Barr, P Buchholz, D Coward, D Cundy, N Doble, L Gatignon, R Hagelberg, HN Nelson, H Wahl, KJ Peach, H Blumer, R Heinz, K Kleinknecht, P Mayer, B Panzer, B Renk, H Rohrer, HG Sander, J Schuller, A Wagner, E Auge, D Fournier, L Iconomidoufayard, O Perdereau, AC Schaffer, L Serin, L Bertanza, A Bigi, P Calafiura, M Calvetti, R Carosi, R Casali, I Mannelli, VM Marzulli, A Nappi, GM Pierazzini, M Holder, A Kreutz, M Rost, R Werthenbach

THE NA48 LIQUID KRYPTON PROTOTYPE CALORIMETER

NUCL INSTRUM METH A 323:1-2 (1992) 393-397

Authors:

GD BARR, P BUCHHOLZ, R CAROSI, D COWARD, D CUNDY, N DOBLE, L GATIGNON, A GONIDEC, B HALLGREN, G KESSELER, A LACOURT, G LAVERRIERE, G LINSER, M MAST, P SCHILLY, D SCHINZEL, W SEIDL, H TAUREG, H WAHL, P WICHT, L BERTANZA, A BIGI, P CALAFIURA, R CASALI, C CERRI, R FANTECHI, G GENNARO, B GORINI, I MANNELLI, V MARZULLI, G PIERAZZINI, D SCHIUMA, F SERGIAMPIETRI, D BEDEREDE, M DEBEER, P DEBU, B PEYAUD, A KREUTZ, E GRIESMAYER, M MARKYTAN, G NEUHOFER, M PERNICKA, A TAUROK, G VIEHHAUSER, CE WULZ

Sage: The Soviet-American gallium solar neutrino experiment

Nuclear and Particle Physics Proceedings Elsevier 28:1 (1992) 75-81

Authors:

VN Gavrin, OL Anosov, EL Faizov, VN Gavrin, AV Kalikhov, TV Knodel, II Knyshenko, VN Kornoukhov, SA Mesentseva, IN Mirmov, AV Ostrinsky, AM Pshukov, NE Revzin, AA Shikhin, PV Timofeyev, EP Veretenkin, VM Vermul, GT Zatsepin, TJ Bowles, BT Cleveland, SR Elliott, HA O'Brien, DL Wark, JF Wilkerson, R Davis, K Lande, ML Cherry, RT Kouzes

A measurement of the decay KL→π0γγ

Physics Letters B 284:3-4 (1992) 440-447

Authors:

GD Barr, P Buchholz, R Carosi, D Coward, D Cundy, N Doble, L Gatignon, P Grafström, R Hagelberg, HH Nelson, H Wahl, KJ Peach, H Blümer, R Heinz, K Kleinknecht, P Mayer, B Panzer, B Renk, H Rohrer, A Wagner, E Augé, D Fournier, L Iconomidou-Fayard, I Harrus, O Perdereau, AC Schaffer, L Serin, L Bertanza, A Bigi, P Calafiura, M Calvetti, R Casali, IG Mannelli, VM Marzulli, A Nappi, G Pierazzini, M Holder, A Kreutz, M Rost, R Werthenbach

Abstract:

The full data set of the experiment NA31 at CERN has been used to analyse the decay mode KL→π0γγ. A signal of 63 events has been observed with an estimated background of 6.0±1.7 events, corresponding to a branching ratio of (1.7±0.3)×10-6 consistent with our previous result based on partial statistics. The invariant mass spectrum of the two photons is found to be consistent with chiral perturbation theory, and the decay is dominated by the J = 0 two photon state. © 1992.