Construction and performance of the new ALEPH vertex detector

D. Creanza, M. De Palma, M. Girone, G. Maggi, G. Selvaggi, L. Silvestris, G. Raso, P. Tempesta, M. Burns, P. Coyle, M. Frank, L. Moneta, G. Rizzo, M. Wachnik, A. Wagner, E. Focardi, G. Sguazzoni, G. Parrini, E. Scarlini, A. HalleyV. O'Shea, C. Raine, G. Barber, W. Cameron, P. Dornan, D. Gentry, N. Konstantmidis, A. Moutoussi, J. Nash, D. Price, A. Stacey, L. W. Toudup, M. I. Williams, M. Billault, A. Bonissent, G. Bujosa, D. Calvet, J. Carr, C. Diaconu, P. E. Blanc, J. J. Destelle, P. Karst, P. Payre, D. Rousseau, M. Thulasidas, H. Dietl, H. G. Moser, R. Settles, H. Seywerd, G. Waltermann, S. Bettarini, F. Bosi, R. Dell'Orso, A. Profeti, P. G. Verdini, J. Walsh, J. P. Bizzell, P. D. Maley, J. C. Thompson, A. E. Wright, S. Black, J. Dann, H. Y. Kim, L. Bosisio, J. Putz, J. Rothberg, S. Wasserbaech, P. Elmer

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4 Scopus citations


A new Silicon Vertex Detector was developed for the ALEPH experiment and first installed for the high energy run at 130 GeV at the end of 1995. The detector has an active length of 40 cm and consists of two concentric layers of silicon wafers with double-sided readout. It extends the angular coverage, has only half the passive material as the former detector in the tracking volume and is radiation hard to cope with the higher level of radiation background expected for the LEP2 phase. The construction and the performance of the detector is described.

Original languageEnglish (US)
Pages (from-to)201-206
Number of pages6
JournalNuclear Physics B - Proceedings Supplements
Issue number3 SUPPL.
StatePublished - Feb 1998
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics


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