WARP: A double phase Argon programme for Dark Matter detection

E. Calligarich, M. Cambiaghi, C. De Vecchi, R. Dolfini, L. Grandi, A. Menegolli, C. Montanari, M. Prata, A. Rappoldi, G. L. Raselli, M. Roncadelli, M. Rossella, C. Rubbia, C. Vignoli, F. Carbonara, Alfredo G. Cocco, A. Ereditato, G. Fiorillo, G. Mangano, R. SantorelliF. Cavanna, N. Ferrari, O. Palamara, C. Galbiati, A. Szelc

Research output: Contribution to journalConference articlepeer-review

Abstract

The WARP (WIMP Argon Programme) experiment aims to the detection of WIMP elastic scattering interactions occurring in a target of liquid Argon. The simultaneous detection of prompt scintillation light in liquid Argon and delayed signals coming form the extraction of ionization electrons in the gas phase provides a clean identification of recoil events in the range 10 100 keV. The 100 liter detector under construction at the Laboratori Nazionali del Gran Sasso (Italy) will be able to achieve a sensitivity of few 10 8 pbarn. In the same underground site a 2.3 liter prototype has been operated for one year collecting more than 5 106 events. Based on this data, results on the amount of 39Ar isotope in commercial liquid Argon together with a study on the background rejection power achievable by the event selection technique is reported.

Original languageEnglish (US)
JournalProceedings of Science
Volume21
StatePublished - 2005
Event2005 International Europhysics Conference on High Energy Physics, HEP 2005 - Lisboa, Portugal
Duration: Jul 21 2005Jul 27 2005

All Science Journal Classification (ASJC) codes

  • General

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