The WIMP Argon Programme (WARP) is an experiment at

Laboratori Nazionali del Gran Sasso Laboratori Nazionali del Gran Sasso (LNGS) is the largest underground research center in the world. Situated below Gran Sasso mountain in Italy, it is well known for particle physics research by the INFN. In addition to a surface portion of th ...

, Italy, for the research of

cold dark matter In cosmology and physics, cold dark matter (CDM) is a hypothetical type of dark matter. According to the current standard model of cosmology, Lambda-CDM model, approximately 27% of the universe is dark matter and 68% is dark energy, with only a sm ...

. It aims to detect nuclear recoils in liquid

argon Argon is a chemical element with the symbol Ar and atomic number 18. It is in group 18 of the periodic table and is a noble gas. Argon is the third-most abundant gas in Earth's atmosphere, at 0.934% (9340 ppmv). It is more than twice a ...

induced by

weakly interacting massive particle Weakly interacting massive particles (WIMPs) are hypothetical particles that are one of the proposed candidates for dark matter. There exists no formal definition of a WIMP, but broadly, a WIMP is a new elementary particle which interacts via g ...

s (WIMP) through scintillation light; the apparatus can also detect ionization so to exclude interactions of photons and electrons. The experiment is a recognized

CERN The European Organization for Nuclear Research, known as CERN (; ; ), is an intergovernmental organization that operates the largest particle physics laboratory in the world. Established in 1954, it is based in a northwestern suburb of Gen ...

experiment (RE15).

Collaboration Members

;Università degli Studi di Pavia e INFN P.Benetti, E.Calligarich, M.Cambiaghi, C.Montanari(+), A.Rappoldi, G.L.Raselli, M.Roncadelli, M.Rossella, C.Vignoli ;Laboratori Nazionali del Gran Sasso (INFN-LNGS) M. Antonello, O.Palamara, L.Pandola, C.Rubbia(*), E.Segreto, A.Szelc ;Università degli Studi dell'Aquila e INFN R.Acciarri, M. Antonello, N. Canci, F.Cavanna, F.Di Pompeo(++), L.Grandi(++) (++ also at INFN-LNGS) ;Università degli Studi di Napoli e INFN F.Carbonara, A.Cocco, G.Fiorillo, G.Mangano ;Princeton University Department of Physics F.Calaprice, C.Galbiati, B.Loer, R.Saldanha ;Università degli Studi di Padova e INFN B.Baibussinov, S.Centro, M.B.Ceolin, G.Meng, F.Pietropaolo,S.Ventura

References

External links

WARP: Wimp Argon Programme
on the LNGS website. Experiments for dark matter search CERN experiments {{particle-stub