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Evidence for top quark production in p̄p collisions at s =1.8 TeV

Physical Review Letters 73:2 (1994) 225-231

Authors:

F Abe, MG Albrow, SR Amendolia, D Amidei, J Antos, C Anway-Wiese, G Apollinari, H Areti, P Auchincloss, M Austern, F Azfar, P Azzi, N Bacchetta, W Badgett, MW Bailey, J Bao, P De Barbaro, A Barbaro-Galtieri, VE Barnes, BA Barnett, P Bartalini, G Bauer, T Baumann, F Bedeschi, S Behrends, S Belforte, G Bellettini, J Bellinger, D Benjamin, J Benlloch, J Bensinger, D Benton, A Beretvas, JP Berge, S Bertolucci, A Bhatti, K Biery, M Binkley, F Bird, D Bisello, RE Blair, C Blocker, A Bodek, V Bolognesi, D Bortoletto, C Boswell, T Boulos, G Brandenburg, E Buckley-Geer, HS Budd, K Burkett, G Busetto, A Byon-Wagner, KL Byrum, C Campagnari, M Campbell, A Caner, W Carithers, D Carlsmith, A Castro, Y Cen, F Cervelli, J Chapman, MT Cheng, G Chiarelli, T Chikamatsu, S Cihangir, AG Clark, M Cobal, M Contreras, J Conway, J Cooper, M Cordelli, DP Coupal, D Crane, JD Cunningham, T Daniels, F DeJongh, S Delchamps, S Dell'Agnello, M Dell'Orso, L Demortier, B Denby, M Deninno, PF Derwent, T Devlin, M Dickson, S Donati, RB Drucker, A Dunn, K Einsweiler, JE Elias, R Ely, E Engels, S Eno, D Errede, S Errede, Q Fan, B Farhat, I Fiori

Abstract:

We summarize a search for the top quark with the Collider Detector at Fermilab (CDF) in a sample of p̄p collisions at s =1.8 TeV with an integrated luminosity of 19.3 pb-1. We find 12 events consistent with either two W bosons, or a W boson and at least one b jet. The probability that the measured yield is consistent with the background is 0.26%. Though the statistics are too limited to establish firmly the existence of the top quark, a natural interpretation of the excess is that it is due to tt̄ production. Under this assumption, constrained fits to individual events yield a top quark mass of 174±10-12+13 GeV/c2. The tt̄ production cross section is measured to be 13.9-4.8+6.1 pb. © 1994 The American Physical Society.
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Search for the top quark decaying to a charged higgs boson in p̄p collisions at s=1.8 TeV

Physical Review Letters 73:20 (1994) 2667-2671

Authors:

F Abe, MG Albrow, D Amidei, J Antos, C Anway-Wiese, G Apollinari, H Areti, M Atac, P Auchincloss, F Azfar, P Azzi, N Bacchetta, W Badgett, MW Bailey, J Bao, P De Barbaro, A Barbaro-Galtieri, VE Barnes, BA Barnett, P Bartalini, G Bauer, T Baumann, F Bedeschi, S Behrends, S Belforte, G Bellettini, J Bellinger, D Benjamin, J Benlloch, J Bensinger, D Benton, A Beretvas, JP Berge, S Bertolucci, A Bhatti, K Biery, M Binkley, F Bird, D Bisello, RE Blair, C Blocker, A Bodek, V Bolognesi, D Bortoletto, C Boswell, T Boulos, G Brandenburg, E Buckley-Geer, HS Budd, K Burkett, G Busetto, A Byon-Wagner, KL Byrum, J Cammerata, C Campagnari, M Campbell, A Caner, W Carithers, D Carlsmith, A Castro, Y Cen, F Cervelli, J Chapman, MT Cheng, G Chiarelli, T Chikamatsu, S Cihangir, AG Clark, M Cobal, M Contreras, J Conway, J Cooper, M Cordelli, D Crane, JD Cunningham, T Daniels, F DeJongh, S Delchamps, S Dell'Agnello, M Dell'Orso, L Demortier, B Denby, M Deninno, PF Derwent, T Devlin, M Dickson, S Donati, RB Drucker, A Dunn, K Einsweiler, JE Elias, R Ely, E Engels, S Eno, D Errede, S Errede, Q Fan, B Farhat, I Fiori, B Flaugher

Abstract:

We present the results of a search in p̄p collisions at s=1.8 TeV for the top quark decaying to a charged Higgs boson (H±). We search for dilepton final states from the decay chain tt̄→HH (or HW, or WW) + bb̄→ll+X. In a sample of 19.3 pb-1 collected during 1992-93 with the Collider Detector at Fermilab, we observe 2 events with a background estimation of 3.0 ± 1.0 events. Limits at 95% C.L. in the (Mtop,MH±) plane are presented. For the case Mtop
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ELECTRICAL PERFORMANCE OF THE CDF SILICON VERTEX DETECTOR

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 342:1 (1994) 251-259

Authors:

D AMIDEI, P AZZI, N BACCHETTA, M BAILEY, B BARNETT, F BEDESCHI, D BISELLO, V BOLOGNESI, C BOSWELL, G BUSETTO, WC CARITHERS, H CARTER, A CASTRO, S DELLAGNELLO, PF DERWENT, R DUCAR, A DUNN, RP ELY, B FLAUGHER, S GALEOTTI, A BARBAROGALTIERI, AF GARFINKEL, C HABER, S HOLLAND, M HRYCYK, D HERRUP, R HUGHES, S KLEINFELDER, M LORETI, M MARIOTTI, J MATTHEWS, A MENZIONE, T MERRICK, C NELSON, L PESCARA, N PRODUIT, G PUNZI, F RAFFAELLI, L RISTORI, O SCHNEIDER, S SEGLER, MD SHAPIRO, NM SHAW, T SHAW, J SKARHA, FR SNIDER, TY SONG, A SPIES, F TARTARELLI, P TIPTON, S TKACZYK, J TSENG, N TURINI, K TURNER, S VEJCIK, G WATTS, TR WESSON, WC WESTER, H WENZEL, M WONG, W YAO, F ZETTI
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INFRARED IMAGING OF SPIRAL GALAXIES - COLORS AND LUMINOSITY PROFILES

ASTROPHYSICAL JOURNAL 432:2 (1994) 518-546

Authors:

DM TERNDRUP, RL DAVIES, JA FROGEL, DL DEPOY, LA WELLS
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MEASUREMENT OF DRELL-YAN ELECTRON AND MUON PAIR DIFFERENTIAL CROSS-SECTIONS IN (P)OVER-BAR-P COLLISIONS AT ROOT-S = 1.8 TEV

PHYSICAL REVIEW D 49:1 (1994) R1-R6

Authors:

F ABE, M ALBROW, D AMIDEI, C ANWAYWIESE, G APOLLINARI, M ATAC, P AUCHINCLOSS, P AZZI, N BACCHETTA, AR BADEN, W BADGETT, MW BAILEY, A BAMBERGER, P DEBARBARO, A BARBAROGALTIERI, VE BARNES, BA BARNETT, G BAUER, T BAUMANN, F BEDESCHI, S BEHRENDS, S BELFORTE, G BELLETTINI, J BELLINGER, D BENJAMIN, J BENLLOCH, J BENSINGER, A BERETVAS, JP BERGE, S BERTOLUCCI, K BIERY, S BHADRA, M BINKLEY, D BISELLO, R BLAIR, C BLOCKER, K BLOOM, A BODEK, V BOLOGNESI, AW BOOTH, C BOSWELL, G BRANDENBURG, D BROWN, E BUCKLEYGEER, HS BUDD, G BUSETTO, A BYONWAGNER, KL BYRUM, C CAMPAGNARI, M CAMPBELL, A CANER, R CAREY, W CARITHERS, D CARLSMITH, JT CARROLL, R CASHMORE, A CASTRO, Y CEN, F CERVELLI, K CHADWICK, J CHAPMAN, G CHIARELLI, W CHINOWSKY, S CHIHANGIR, AG CLARK, M COBAL, D CONNOR, M CONTRERAS, J COOPER, M CORDELLI, D CRANE, JD CUNNINGHAM, C DAY, F DEJONGH, S DELLAGNELLO, M DELLORSO, L DEMORTIER, B DENBY, PF DERWENT, T DEVLIN, D DIBITONTO, M DICKSON, RB DRUCKER, A DUNN, K EINSWEILER, JE ELIAS, R ELY, S ENO, S ERREDE, A ETCHEGOYEN, B FARHAT, M FRAUTSCHI, GJ FELDMAN, B FLAUGHER, GW FOSTER, M FRANKLIN, J FREEMAN, H FRISCH, T FUESS, Y FUKUI, AF GARFINKEL, A GAUTHIER, S GEER, DW GERDES, P GIANNETTI, N GIOKARIS, P GIROMINI, L GLADNEY, M GOLD, J GONZALEZ, K GOULIANOS, H GRASSMANN, GM GRIECO, R GRINDLEY, C GROSSOPILCHER, C HABER, SR HAHN, R HANDLER, K HARA, B HARRAL, RM HARRIS, SA HAUGER, J HAUSER, C HAWK, T HESSING, R HOLLEBEEK, L HOLLOWAY, A HOLSCHER, S HONG, G HOUK, P HU, B HUBBARD, BT HUFFMAN, R HUGHES, P HURST, J HUTH, J HYLEN, M INCAGLI, T INO, H ISO, H JENSEN, CP JESSOP, RP JOHNSON, U JOSHI, RW KADEL, T KAMON, S KANDA, DA KARDELIS, I KARLINER, E KEARNS, L KEEBLE, R KEPHART, P KESTEN, RM KEUP, H KEUTELIAN, D KIM, SB KIM, SH KIM, YK KIM, L KIRSCH, K KONDO, J KONIGSBERG, K KORDAS, E KOVACS, M KRASBERG, SE KUHLMANN, E KUNS, AT LAASANEN, S LAMMEL, JI LAMOUREUX, S LEONE, JD LEWIS, W LI, P LIMON, M LINDGREN, TM LISS, N LOCKYER, M LORETI, EH LOW, D LUCCHESI, CB LUCHINI, P LUKENS, P MAAS, K MAESHIMA, M MANGANO, JP MARRINER, M MARIOTTI, R MARKELOFF, LA MARKOSKY, JAJ MATTHEWS, R MATTINGLY, P MCINTYRE, A MENZIONE, E MESCHI, T MEYER, S MIKAMO, M MILLER, T MIMASHI, S MISCETTI, M MISHINA, S MIYASHITA, Y MORITA, S MOULDING, J MUELLER, A MUKHERJEE, T MULLER, LF NAKAE, I NAKANO, C NELSON, D NEUBERGER, C NEWMANHOLMES, JST NG, M NINOMIYA, L NODULMAN, S OGAWA, R PAOLETTI, V PAPADIMITRIOU, A PARA, E PARE, S PARK, J PATRICK, G PAULETTA, L PESCARA, TJ PHILLIPS, AG PIACENTINO, R PLUNKETT, L PONDROM, J PROUDFOOT, F PTOHOS, G PUNZI, D QUARRIE, K RAGAN, G REDLINGER, J RHOADES, M ROACH, F RIMONDI, L RISTORI, WJ ROBERTSON, T RODRIGO, T ROHALY, A ROODMAN, WK SAKUMOTO, A SANSONI, RD SARD, A SAVOYNAVARRO, V SCARPINE, P SCHLABACH, EE SCHMIDT, O SCHNEIDER, MH SCHUB, R SCHWITTERS, G SCIACCA, A SCRIBANO, S SEGLER, S SEIDEL, Y SEIYA, G SGANOS, M SHAPIRO, NM SHAW, M SHEAFF, M SHOCHET, J SIEGRIST, A SILL, P SINERVO, J SKARHA, K SLIWA, DA SMITH, FD SNIDER, L SONG, T SONG, M SPAHN, P SPHICAS, A SPIES, R STDENIS, L STANCO, A STEFANINI, G SULLIVAN, K SUMOROK, RL SWARTZ, M TAKANO, K TAKIKAWA, S TAREM, F TARTARELLI, S TETHER, D THERIOT, M TIMKO, P TIPTON, S TKACZYK, A TOLLESTRUP, J TONNISON, W TRISCHUK, Y TSAY, J TSENG, N TURINI, F UKEGAWA, D UNDERWOOD, S VEJCIK, R VIDAL, RG WAGNER, RL WAGNER, N WAINER, RC WALKER, J WALSH, A WARBURTON, G WATTS, T WATTS, R WEBB, C WENDT, H WENZEL, WC WESTER, T WESTHUSING, SN WHITE, AB WICKLUND, E WICKLUND, HH WILLIAMS, BL WINER, J WOLINSKI, DY WU, X WU, J WYSS, A YAGIL, K YASUOKA, Y YE, GP YEH, J YOH, M YOKOYAMA, JC YUN, A ZANETTI, F ZETTI, S ZHANG, W ZHANG, S ZUCCHELLI
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