Performance and running experience of the BaBar silicon vertex tracker

V. Re, C. Bozzi, V. Carassiti, A. Cotta Ramusino, S. Dittongo, M. Folegani, L. Piemontese, B. K. Abbott, A. B. Breon, D. Brown, A. R. Clark, S. Dow, Q. Fan, F. Goozen, C. Hernikl, A. Karcher, L. T. Kerth, I. Kipnis, S. Kluth, A. GritsanG. Lynch, M. Levi, P. Luft, L. Luo, M. Nyman, M. Pedrali-Noy, A. Perazzo, N. A. Roe, G. Zizka, D. Roberts, J. Schieck, D. Barniy, E. Brenna, I. Defendi, A. Forti, D. Giugni, F. Lanni, F. Palombo, V. Vaniev, A. Leona, E. Mandelli, P. F. Manfredi, C. Angelini, G. Batignani, S. Bettarini, M. Bondioli, F. Bosi, G. Calderini, M. Carpinelli, F. Forti, D. Gagliardi, M. A. Giorgi, A. Lusiani, P. Mammini, M. Morganti, F. Morsani, N. Neri, E. Paoloni, A. Profeti, M. Rama, G. Rampino, G. Rizzo, F. Sandrelli, G. Simi, G. Triggiani, S. Tritto, R. Vitale, J. Walsh, P. Burchat, C. Cheng, D. Kirkby, T. I. Meyer, C. Roat, M. Bona, F. Bianchi, F. Daudo, B. di Girolamo, D. Gamba, G. Giraudo, P. Grosso, A. Romero, A. Smol, P. Trapani, D. Zanin, L. Bosisio, G. della Ricca, L. Lanceri, A. Pompili, P. Poropat, M. Prest, C. Rastelli, I. Rashevskaia, E. Vallazza, G. Vuagnin, C. Hast, E. P. Potter, V. Sharma, S. Burke, D. Callahan, G. Campagnari, B. Dahmes, A. Eppich, D. Hale, K. Hall, P. Hart, N. Kuznetsova, S. Kyre, S. Levy, O. Long, J. May, J. Richman, W. Verkerke, M. Witherell, J. Beringer, A. M. Eisner, A. Frey, A. Grillo, M. Grothe, R. Johnson, W. Kroeger, W. Lockman, T. Pulliam, W. Rowe, R. Schmitz, A. Seiden, E. Spencer, M. Turri, W. Walkowiak, M. Wilder, E. Charles, P. Elmer, J. Nielsen, W. Orejudos, I. Scott, H. Zobernig

Research output: Contribution to conferencePaperpeer-review

Abstract

The Silicon Vertex Tracker (SVT) of the BaBar experiment at PEP-II, the crucial tool to measure the decay positions of B-mesons and extract CP-asymmetries, is described. SVT is structured in 5 layers made of double sided AC-coupled Silicon strip detectors , and read-out by a full- custom integrated circuit to amplify, digitize and transmit data. During its first year of operation, SVT has routinely performed spatial measurements with a precision of 10μm (inner layers) and 30μm (outer layers), with a single hit efficiency of 97%. Other relevant SVT features and their impact on physics measurements are reported. New measurements on radiation damage induced by iGeV electrons and electron-induced e.m. showers are described and compared with the data on SVT modules. New data indicate a greater radiation damage than expected from Cobalt source irradiations, setting a limit of 4 years at full PEP-II luminosity for the lifetime of the inner SVT layers.

Original languageEnglish (US)
Pages3/65-3/69
StatePublished - 2000
Externally publishedYes
Event2000 IEEE Nuclear Science Symposium Conference Record - Lyon, France
Duration: Oct 15 2000Oct 20 2000

Other

Other2000 IEEE Nuclear Science Symposium Conference Record
Country/TerritoryFrance
CityLyon
Period10/15/0010/20/00

All Science Journal Classification (ASJC) codes

  • Radiation
  • Nuclear and High Energy Physics
  • Radiology Nuclear Medicine and imaging

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