Search for low-mass weakly interacting massive particles using voltage-assisted calorimetric ionization detection in the SuperCDMS experiment

SuperCDMS is an experiment designed to directly detect weakly interacting massive particles (WIMPs), a favored candidate for dark matter ubiquitous in the Universe. In this Letter, we present WIMP-search results using a calorimetric technique we call CDMSlite, which relies on voltage-assisted Luke-N...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Veröffentlicht in:	Physical review letters 2014-01, Vol.112 (4), p.041302-041302, Article 041302
Hauptverfasser:	Agnese, R, Anderson, A J, Asai, M, Balakishiyeva, D, Basu Thakur, R, Bauer, D A, Billard, J, Borgland, A, Bowles, M A, Brandt, D, Brink, P L, Bunker, R, Cabrera, B, Caldwell, D O, Cerdeno, D G, Chagani, H, Cooley, J, Cornell, B, Crewdson, C H, Cushman, P, Daal, M, Di Stefano, P C F, Doughty, T, Esteban, L, Fallows, S, Figueroa-Feliciano, E, Godfrey, G L, Golwala, S R, Hall, J, Harris, H R, Hertel, S A, Hofer, T, Holmgren, D, Hsu, L, Huber, M E, Jastram, A, Kamaev, O, Kara, B, Kelsey, M H, Kennedy, A, Kiveni, M, Koch, K, Loer, B, Lopez Asamar, E, Mahapatra, R, Mandic, V, Martinez, C, McCarthy, K A, Mirabolfathi, N, Moffatt, R A, Moore, D C, Nadeau, P, Nelson, R H, Page, K, Partridge, R, Pepin, M, Phipps, A, Prasad, K, Pyle, M, Qiu, H, Rau, W, Redl, P, Reisetter, A, Ricci, Y, Saab, T, Sadoulet, B, Sander, J, Schneck, K, Schnee, R W, Scorza, S, Serfass, B, Shank, B, Speller, D, Villano, A N, Welliver, B, Wright, D H, Yellin, S, Yen, J J, Young, B A, Zhang, J
Format:	Artikel
Sprache:	eng
Schlagworte:	CDMS CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS dark matter Soudan Underground Laboratory WIMPs
Online-Zugang:	Volltext
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	SuperCDMS is an experiment designed to directly detect weakly interacting massive particles (WIMPs), a favored candidate for dark matter ubiquitous in the Universe. In this Letter, we present WIMP-search results using a calorimetric technique we call CDMSlite, which relies on voltage-assisted Luke-Neganov amplification of the ionization energy deposited by particle interactions. The data were collected with a single 0.6 kg germanium detector running for ten live days at the Soudan Underground Laboratory. A low energy threshold of 170 eVee (electron equivalent) was obtained, which allows us to constrain new WIMP-nucleon spin-independent parameter space for WIMP masses below 6 GeV/c2.
ISSN:	0031-9007 1079-7114
DOI:	10.1103/physrevlett.112.041302