Accelerator Neutrinos

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Search for bottom squarks in pp̄ collisions at √s=1.8 TeV

Physical Review D Particles Fields Gravitation and Cosmology 60:3 (1999) 1-5

Authors:

B Abbott, M Abolins, V Abramov, BS Acharya, I Adam, DL Adams, M Adams, S Ahn, V Akimov, GA Alves, N Amos, EW Anderson, MM Baarmand, VV Babintsev, L Babukhadia, A Baden, B Baldin, S Banerjee, J Bantly, E Barberis, P Baringer, JF Bartlett, A Belyaev, SB Beri, I Bertram, VA Bezzubov, PC Bhat, V Bhatnagar, M Bhattacharjee, N Biswas, G Blazey, S Blessing, P Bloom, A Boehnlein, NI Bojko, F Borcherding, C Boswell, A Brandt, R Breedon, G Briskin, R Brock, A Bross, D Buchholz, VS Burtovoi, JM Butler, W Carvalho, D Casey, Z Casilum, H Castilla-Valdez, D Chakraborty, SV Chekulaev, W Chen, S Choi, S Chopra, BC Choudhary, JH Christenson, M Chung, D Claes, AR Clark, WG Cobau, J Cochran, L Coney, WE Cooper, D Coppage, C Cretsinger, D Cullen-Vidal, MAC Cummings, D Cutts, OI Dahl, K Davis, K De, K Del Signore, M Demarteau, D Denisov, SP Denisov, HT Diehl, M Diesburg, G Di Loreto, P Draper, Y Ducros, LV Dudko, SR Dugad, A Dyshkant, D Edmunds, J Ellison, VD Elvira, R Engelmann, S Eno, G Eppley, P Ermolov, OV Eroshin, VN Evdokimov, T Fahland, MK Fatyga, S Feher, D Fein, T Ferbel, HE Fisk, Y Fisyak, E Flattum
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The CLEO-III ring imaging Cherenkov detector

Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment Elsevier 433:1-2 (1999) 77-86

Authors:

RJ Mountain, M Artuso, R Ayad, F Azfar, A Efimov, S Kopp, G Majumder, S Schuh, T Skwarnicki, S Stone, G Viehhauser, JC Wang, S Anderson, A Smith, Y Kubota, E Lipeles, T Coan, J Staeck, V Fadeyev, I Volobouev, J Ye

Abstract:

The CLEO-III detector upgrade for charged particle identification is discussed. The RICH design uses solid LiF crystal radiators coupled with multi-wire chamber photon detectors, using TEA as the photosensor, and low-noise Viking readout electronics. Results from our beam test at Fermilab are presented.
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Measurement of the top quark pair production cross section in pp̄ collisions using multijet final states

Physical Review D Particles Fields Gravitation and Cosmology 60:1 (1999) 1-26

Authors:

B Abbott, M Abolins, V Abramov, BS Acharya, I Adam, DL Adams, M Adams, S Ahn, H Aihara, GA Alves, N Amos, EW Anderson, MM Baarmand, VV Babintsev, L Babukhadia, A Baden, B Baldin, S Banerjee, J Bantly, E Barberis, P Baringer, JF Bartlett, A Belyaev, SB Beri, I Bertram, VA Bezzubov, PC Bhat, V Bhatnagar, M Bhattacharjee, N Biswas, G Blazey, S Blessing, P Bloom, A Boehnlein, NI Bojko, F Borcherding, C Boswell, A Brandt, R Breedon, R Brock, A Bross, D Buchholz, VS Burtovoi, JM Butler, W Carvalho, D Casey, Z Casilum, H Castilla-Valdez, D Chakraborty, SM Chang, SV Chekulaev, W Chen, S Choi, S Chopra, BC Choudhary, JH Christenson, M Chung, D Claes, AR Clark, WG Cobau, J Cochran, L Coney, WE Cooper, C Cretsinger, D Cullen-Vidal, MAC Cummings, D Cutts, OI Dahl, K Davis, K De, K Del Signore, M Demarteau, D Denisov, SP Denisov, HT Diehl, M Diesburg, G Di Loreto, P Draper, Y Ducros, LV Dudko, SR Dugad, A Dyshkant, D Edmunds, J Ellison, VD Elvira, R Engelmann, S Eno, G Eppley, P Ermolov, OV Eroshin, VN Evdokimov, T Fahland, MK Fatyga, S Feher, D Fein, T Ferbel, G Finocchiaro, HE Fisk, Y Fisyak, E Flattum

Abstract:

We have studied tt̄ production using multijet final states in pp̄ collisions at a center-of-mass energy of 1.8 TeV, with an integrated luminosity of 110.3 pb-1. Each of the top quarks with these final states decays exclusively to a bottom quark and a W boson, with the W bosons decaying into quark-antiquark pairs. The analysis has been optimized using neural networks to achieve the smallest expected fractional uncertainty on the tt̄ production cross section, and yields a cross section of 7.1±2.8 (stat)±1.5 (syst) pb, assuming a top quark mass of 172.1 GeV/c2. Combining this result with previous DØ measurements, where one or both of the W bosons decay leptonically, gives a tt̄ production cross section of 5.9±1.2 (stat)±1.1 (syst) pb. ©1999 The American Physical Society.
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Solar neutrino results from SAGE

Nuclear and Particle Physics Proceedings Elsevier 77:1-3 (1999) 20-25

Authors:

VN Gavrin, JN Abdurashitov, TJ Bowles, ML Cherry, BT Cleveland, T Daily, R Davis, SR Elliott, VN Gavrin, SV Girin, VV Gorbachev, TV Ibragimova, AV Kalikhov, NG Khairnasov, TV Knodel, K Lande, CK Lee, IN Mirmov, SN Nico, AA Shikhin, WA Teasdale, EP Veretenkin, VM Vermul, DL Wark, PW Wildenhain, JF Wilkerson, VE Yants, GT Zatsepin
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Measurement of the response of a gallium metal solar neutrino experiment to neutrinos from a 51Cr source

Physical Review C American Physical Society (APS) 59:4 (1999) 2246-2263

Authors:

JN Abdurashitov, VN Gavrin, SV Girin, VV Gorbachev, TV Ibragimova, AV Kalikhov, NG Khairnasov, TV Knodel, VN Kornoukhov, IN Mirmov, AA Shikhin, EP Veretenkin, VM Vermul, VE Yants, GT Zatsepin, Yu S Khomyakov, AV Zvonarev, TJ Bowles, JS Nico, WA Teasdale, DL Wark, ML Cherry, VN Karaulov, VL Levitin, VI Maev, PI Nazarenko, VS Shkol’nik, NV Skorikov, BT Cleveland, T Daily, R Davis, K Lande, CK Lee, PS Wildenhain, SR Elliott, JF Wilkerson
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