Accelerator Neutrinos

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Results from SAGE

Nuclear and Particle Physics Proceedings Elsevier 110 (2002) 315-319

Authors:

VM Vermul, JN Abdurashitov, TJ Bowles, ML Cherry, BT Cleveland, R Davis, SR Elliott, VN Gavrin, SV Girin, VV Gorbachev, TV Ibragimova, AV Kalikhov, NG Khairnasov, TV Knodel, K Lande, IN Mirmov, JS Nico, AA Shikhin, WA Teasdale, EP Veretenkin, VM Vermul, DL Wark, PS Wildenhain, JF Wilkerson, VE Yants, GT Zatsepin
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A measurement of the KS lifetime

Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 537:1-2 (2002) 28-40

Authors:

A Lai, D Marras, JR Batley, A Bevan, RS Dosanjh, TJ Gershon, B Hay, GE Kalmus, C Lazzeroni, DJ Munday, MD Needham, E Olaiya, MA Parker, TO White, SA Wotton, G Barr, G Bocquet, A Ceccucci, T Cuhadar-Dönszelmann, D Cundy, G D'Agostini, N Doble, V Falaleev, W Funk, L Gatignon, A Gonidec, B Gorini, G Govi, P Grafström, W Kubischta, A Lacourt, M Lenti, S Luitz, JP Matheys, I Mikulec, A Norton, S Palestini, B Panzer-Steindel, D Schinzel, G Tatishvili, H Taureg, M Velasco, O Vossnack, H Wahl, C Cheshkov, A Gaponenko, P Hristov, V Kekelidze, D Madigojine, N Molokanova, Y Potrebenikov, A Tkatchev, A Zinchenko, I Knowles, V Martin, H Parsons, R Sacco, A Walker, M Contalbrigo, P Dalpiaz, J Duclos, PL Frabetti, A Gianoli, M Martini, F Petrucci, M Savrié, M Scarpa, A Bizzeti, M Calvetti, G Collazuol, G Graziani, E Iacopini, F Martelli, M Veltri, HG Becker, H Blümer, D Coward, M Eppard, H Fox, A Hirstius, K Holtz, A Kalter, K Kleinknecht, U Koch, L Köpke, P Lopesda Silva

Abstract:

A measurement of the KS lifetime is presented using data recorded by the NA48 experiment at the CERN-SPS during 1998 and 1999. The KS lifetime is derived from the ratio of decay time distributions in simultaneous, collinear KS and KL beams, giving a result which is approximately independent of the detector acceptance and with reduced systematic errors. The result obtained is τS = (0.89598 ± 0.00048 ± 0.00051) × 10-10 s, where the first error is statistical and the second systematic. © 2002 Published by Elsevier Science B.V.
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The trigger for K0 → π0π0 decays of the NA48 experiment at CERN

Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 485:3 (2002) 676-697

Authors:

G Barr, D Cundy, F Formenti, B Gorini, B Hallgren, W Iwanski, P Kapusta, G Laverrière, M Lenti, I Mikulec, M Velasco, O Vossnack, H Wahl, M Ziolkowski, M Porcu, F Rossi, C Avanzini, P Calafiura, M Cirilli, F Costantini, F Laico, G Magazzù, F Morsani, GM Pierazzini, D Rizzi, M Sozzi, R Tripiccione, H Dibon, G Fischer, M Jeitler, M Markytan, G Neuhofer, M Pernicka, A Taurok, L Widhalm

Abstract:

The trigger used for the collection of the samples of K0 → π0π0decays in the NA48 experiment at CERN uses a novel pipeline design in order to satisfy the demanding specifications of a high rate kaon beam. The trigger algorithms, architecture and performance are described. © 2002 Elsevier Science B.V. All rights reserved.
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Precise measurement of the decay KL → π0γγ

Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 536:3-4 (2002) 229-240

Authors:

A Lai, D Marras, A Bevan, RS Dosanjh, TJ Gershon, B Hay, GE Kalmus, C Lazzeroni, DJ Munday, MD Needham, E Olaiya, MA Parker, TO White, SA Wotton, G Barr, G Bocquet, A Ceccucci, T Cuhadar-Dönszelmann, D Cundy, G D'Agostini, N Doble, V Falaleev, L Gatignon, A Gonidec, B Gorini, G Govi, P Grafström, W Kubischta, A Lacourt, M Lenti, S Luitz, I Mikulec, A Norton, S Palestini, B Panzer-Steindel, G Tatishvili, H Taureg, M Velasco, H Wahl, C Cheshkov, P Hristov, V Kekelidze, D Madigojine, N Molokanova, Y Potrebenikov, A Zinchenko, I Knowles, V Martin, R Sacco, A Walker, M Contalbrigo, P Dalpiaz, J Duclos, PL Frabetti, A Gianoli, M Martini

Abstract:

The decay rate of KL → π0 γγ has been measured with the NA48 detector at the CERN SPS. A total of 2558 KL π0γγ candidates have been observed with a residual background of 3.2%. The branching ratio is determined to be (1.36 ± 0.03(stat) ± 0.03(syst) ± 0.03(norm)) × 10-6 and the vector coupling constant av = -0.46 ± 0.03(stat) ± 0.04(syst). This result suggests that the CP-violation effects are dominating in the KL → π0e+e- decay. An upper limit for the KL → π0γγ decay rate in the two photon mass region mγγ < mπ0 is also given. © 2002 Published by Elsevier Science B.V.
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The MINOS Scintillator Calorimeter System

IEEE Transactions on Nuclear Science Institute of Electrical and Electronics Engineers (IEEE) 49:3 (2002) 861

Authors:

P Adamson, KV Alexandrov, G Alexeev, T Alexopoulos, WWM Allison, GJ Alner, B Anderson, DF Anderson, K Anderson, C Andreopoulos, C Arroyo, D Attree, F Avignone, DS Ayres, B Baller, B Barsh, M Barker, PD Barnes, WL Barrett, RH Bernstien, S Bilenky, GJ Bock, DJ Boehnlein, D Bogert, PM Border, C Bower, E Buckley-Geer, A Byon-Wagner, TR Chase, S Chernichenko, S Childress, BC Choudhary, JH Cobb, A Cohee, JD Cossairt, H Courant, JW Dawson, D DeMuth, PJ Dervan, A DeSanto, N Diaczenko, MV Diwan, G Drake, M Drew, R Ducar, T Durkin, R Edgecock, S Eichblatt, A Erwin, E Falk Harris, GJ Feldman, N Felt, TH Fields, HR Gallagher, M Gebhard, Yu Gilitsky, N Giokaris, MC Goodman, Yu Gornushkin, N Grossman, JJ Grudzinski, VJ Guarino, V Gudkov, J Guo, Yu Gutnikov, R Halsall, J Hanson, D Harris, PG Harris, E Hartouni, R Hatcher, S Hayden, R Heinz, K Heller, N Hill, QH Hu, T Hu, J Hylen, M Ignatenko, G Irwin, C James, T Joffe-Minor, T Kafka, SMS Kasahara, E Katsavounidis, J Kilmer, HY Kim, V Kochetkov, G Koizumi, S Kopp, M Kordosky, D Krakauer, Z Krumstein, A Kulik, YF Lai, K Lang, C Laughton, R LeBeau, A Lebedev, R Lee, PJ Litchfield, J Liu, NP Longley, P Lucas, S Madani, V Makeev, WA Mann, A Marchionni, ML Marshak, J McDonald, JR Meier, E Melnikov, GI Merzon, MD Messier, DG Michael, RH Milburn, L Miller, WH Miller, SR Mishra, PS Miyagawa, J Mofin, R Morse, L Mualem, S Mufson, M Murtagh, J Musser, A Napier, D Naples, C Nelson, JK Nelson, H Newman, TC Nicholls, A Nozdrin, J Oliver, W Oliver, A Olshevski, V Onuchin, V Paolone, A Para, T Patzak, GF Pearce, N Pearson, CW Peck, C Perry, EA Peterson, DA Petyt, A Pla-Dalmau, RK Plunkett, LE Price, DR Pushka, RA Rameika, AL Read, B Rebel, C Rosenfeld, K Ruddick, VA Ryabov, R Saakyan, A Sadovski, M Sanchez, N Saoulidou, J Schneps, PV Schoessow, V Semenov, I Shein, BW Sheng, A Sisakian, W Smart, V Smirnitsky, C Smith, PN Smith, V Smotriaev, A Soldatov, N Solomey, R Soltz, NI Starkov, P Sullivan, EC Swallow, M Szigety, R Talaga, J Thomas, JL Thron, V Tokmenin, DN Tovee, R Trendler, J Trevor, I Trostin, VA Tsarev, G Tzanakos, G Unel, J Urheim, A Usachev, T Vahle, MM Velasco, L Wai, D Wark, A Weber, RC Webb, A Wehmann, N West, RF White, R Wildberger, R Winston, SG Wojcicki, D Wright, XM Xia, WG Yan, JC Yun, ZA Zhu
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