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Titolo:
First-year experience with the BaBar silicon vertex tracker
Autore:
Bozzia, C; Carassiti, V; Ramusino, AC; Dittongo, S; Folegani, M; Piemontese, L; Abbott, BK; Breon, AB; Clark, AR; Dow, S; Fan, Q; Goozen, F; Hernikl, C; Karcher, A; Kerth, LT; Kipnis, I; Kluth, S; Lynch, G; Levi, M; Luft, P; Luo, L; Nyman, M; Pedrali-Noy, M; Roe, NA; Zizka, G; Roberts, D; Schieck, J; Barni, D; Brenna, E; Defendi, I; Forti, A; Giugni, D; Lanni, F; Palombo, F; Vaniev, V; Leona, A; Mandelli, E; Manfredi, PF; Perazzo, A; Re, V; Angelini, C; Batignani, G; Bettarini, S; Bondioli, M; Bosi, F; Calderini, G; Carpinelli, M; Forti, F; Gagliardi, D; Giorgi, MA; Lusiani, A; Mammini, P; Morganti, M; Morsani, F; Neri, N; Paoloni, E; Profeti, A; Rama, M; Rampino, G; Rizzo, G; Sandrelli, F; Simi, G; Triggiani, G; Tritto, S; Vitale, R; Walsh, J; Burchat, P; Cheng, C; Kirkby, D; Meyer, T; Roat, C; Bona, M; Bianchi, F; Daudo, F; Di Girolamo, B; Gamba, D; Giraudo, G; Grosso, P; Romero, A; Smol, A; Trapani, P; Zanin, D; Bosisio, L; Della Ricca, G; Rashevskaia, I; Lanceri, L; Pompili, A; Poropat, P; Prest, M; Rastelli, C; Vallazza, E; Vuagnin, G; Hast, C; Potter, EP; Sharma, V; Burke, S; Callahan, D; Campagnari, C; Dahmes, B; Eppich, A; Hale, D; Hall, K; Hart, P; Kuznetsova, N; Kyre, S; Levy, S; Long, O; May, J; Richman, J; Verkerke, W; Witherell, M; Beringer, J; Eisner, AM; Frey, A; Grillo, A; Grothe, M; Johnson, R; Kroeger, W; Lockman, W; Pulliam, T; Rowe, W; Schmitz, R; Seiden, A; Spencer, E; Turri, M; Walkowiak, W; Wilder, M; Charles, E; Elmer, P; Nielsen, J; Orejudos, W; Scott, I; Zobernig, H;
Indirizzi:
Univ Calif Santa Cruz, Santa Cruz, CA 95064 USA Univ Calif Santa Cruz Santa Cruz CA USA 95064 z, Santa Cruz, CA 95064 USA Univ Wisconsin, Madison, WI USA Univ Wisconsin Madison WI USAUniv Wisconsin, Madison, WI USA Univ Trieste, Trieste, Italy Univ Trieste Trieste ItalyUniv Trieste, Trieste, Italy Ist Nazl Fis Nucl, Trieste, Italy Ist Nazl Fis Nucl Trieste ItalyIst Nazl Fis Nucl, Trieste, Italy Univ Calif San Diego, San Diego, CA 92103 USA Univ Calif San Diego San Diego CA USA 92103 iego, San Diego, CA 92103 USA Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA Univ Calif Santa Barbara Santa Barbara CA USA 93106 Barbara, CA 93106 USA Univ Ferrara, I-44100 Ferrara, Italy Univ Ferrara Ferrara Italy I-44100Univ Ferrara, I-44100 Ferrara, Italy Ist Nazl Fis Nucl, Ferrara, Italy Ist Nazl Fis Nucl Ferrara ItalyIst Nazl Fis Nucl, Ferrara, Italy Lawrence Berkeley Lab, Berkeley, CA USA Lawrence Berkeley Lab Berkeley CAUSA nce Berkeley Lab, Berkeley, CA USA Univ Maryland, College Pk, MD 20742 USA Univ Maryland College Pk MD USA 20742 Maryland, College Pk, MD 20742 USA Univ Milan, Milan, Italy Univ Milan Milan ItalyUniv Milan, Milan, Italy Ist Nazl Fis Nucl, Milan, Italy Ist Nazl Fis Nucl Milan ItalyIst Nazl Fis Nucl, Milan, Italy Univ Pavia, I-27100 Pavia, Italy Univ Pavia Pavia Italy I-27100Univ Pavia, I-27100 Pavia, Italy Ist Nazl Fis Nucl, I-27100 Pavia, Italy Ist Nazl Fis Nucl Pavia Italy I-27100 azl Fis Nucl, I-27100 Pavia, Italy Univ Bergamo, Bergamo, Italy Univ Bergamo Bergamo ItalyUniv Bergamo, Bergamo, Italy Univ Pisa, Pisa, Italy Univ Pisa Pisa ItalyUniv Pisa, Pisa, Italy Ist Nazl Fis Nucl, Pisa, Italy Ist Nazl Fis Nucl Pisa ItalyIst Nazl Fis Nucl, Pisa, Italy Stanford Univ, Stanford, CA 94305 USA Stanford Univ Stanford CA USA 94305Stanford Univ, Stanford, CA 94305 USA Univ Turin, Turin, Italy Univ Turin Turin ItalyUniv Turin, Turin, Italy Ist Nazl Fis Nucl, I-10125 Turin, Italy Ist Nazl Fis Nucl Turin Italy I-10125 azl Fis Nucl, I-10125 Turin, Italy
Titolo Testata:
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
fascicolo: 1-2, volume: 473, anno: 2001,
pagine: 7 - 16
SICI:
0168-9002(20011101)473:1-2<7:FEWTBS>2.0.ZU;2-3
Fonte:
ISI
Lingua:
ENG
Keywords:
silicon-strip detector; BaBar experiment;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
Citazioni:
8
Recensione:
Indirizzi per estratti:
Indirizzo: Grothe, M Univ Calif Santa Cruz, Santa Cruz, CA 95064 USA Univ Calif SantaCruz Santa Cruz CA USA 95064 ruz, CA 95064 USA
Citazione:
C. Bozzia et al., "First-year experience with the BaBar silicon vertex tracker", NUCL INST A, 473(1-2), 2001, pp. 7-16

Abstract

Within its first year of operation, the BaBar Silicon Vertex Tracker (SVT)has accomplished its primary design goal, measuring the z vertex coordinate with sufficient accuracy as to allow the measurement of the time-dependent CP asymmetry in the neutral B-meson system. The SVT consists of five layers of double-sided. AC-coupled silicon-strip detectors of 300 mum thicknesswith a readout strip pitch of 50-210 mum and a stereo angle of 90 degrees between the strips on the two sides. Detector alignment and performance with respect to spatial resolution and efficiency in the reconstruction of single hits are discussed. In the day-to-day operation of the SVT., radiation damage and protection issues were of primary concern. The SVT is equipped with a dedicated system (SVTRAD) for radiation monitoring and protection, using reverse-biased photodiodes. The evolution of the SVTRAD thresholds on the tolerated radiation level is described. Results on the first-year radiation exposure as measured with the SVTRAD system and on the so far accumulated damage are presented. The implications of test-irradiation results and possible future PEP-II luminosity upgrades on the radiation limited lifetimeof the SVT are discussed. (C) 2001 Elsevier Science B.V. All rights reserved.

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Documento generato il 25/11/20 alle ore 04:39:00