Lowering the low-energy threshold of xenon detectors

P. Sorensen; J. Angle; E. Aprile; F. Arneodo; L. Baudis; A. Bernstein; A. Bolozdynya; L. C.C. Coelho; C. E. Dahl; L. DeViveiros; A. D. Ferella; L. M.P. Fernandes; S. Fiorucci; R. J. Gaitskell; K. L. Giboni; R. Gomez; R. Hasty; L. Kastens; J. Kwong; J. A.M. Lopes; N. Madden; A. Manalaysay; A. Manzur; D. N. McKinsey; M. E. Monzani; K. Ni; U. Oberlack; J. Orboeck; G. Plante; R. Santorelli; J. M.F. Dos Santos; S. Schulte; P. Shagin; T. Shutt; C. Winant; M. Yamashita

Lowering the low-energy threshold of xenon detectors

P. Sorensen, J. Angle, E. Aprile, F. Arneodo, L. Baudis, A. Bernstein, A. Bolozdynya, L. C.C. Coelho, C. E. Dahl, L. DeViveiros, A. D. Ferella, L. M.P. Fernandes, S. Fiorucci, R. J. Gaitskell, K. L. Giboni, R. Gomez, R. Hasty, L. Kastens, J. Kwong, J. A.M. LopesN. Madden, A. Manalaysay, A. Manzur, D. N. McKinsey, M. E. Monzani, K. Ni, U. Oberlack, J. Orboeck, G. Plante, R. Santorelli, J. M.F. Dos Santos, S. Schulte, P. Shagin, T. Shutt, C. Winant, M. Yamashita

Physics

Research output: Contribution to journal › Conference article › peer-review

Abstract

We show that the energy threshold for nuclear recoils in the XENON10 dark matter search data can be lowered to ∼ 1 keV, by using only the ionization signal. In other words, we make no requirement that a valid event contain a primary scintillation signal. We therefore relinquish incident particle type discrimination, which is based on the ratio of ionization to scintillation in liquid xenon. This method compromises the detector's ability to precisely determine the z coordinate of a particle interaction. However, we show for the first time that it is possible to discriminate bulk events from surface events based solely on the ionization signal.

Original language	English (US)
Journal	Proceedings of Science
State	Published - 2010
Event	8th International Workshop on Identification of Dark Matter, IDM 2010 - Montpellier, France Duration: Jul 26 2010 → Jul 30 2010

ASJC Scopus subject areas

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Sorensen, P., Angle, J., Aprile, E., Arneodo, F., Baudis, L., Bernstein, A., Bolozdynya, A., Coelho, L. C. C., Dahl, C. E., DeViveiros, L., Ferella, A. D., Fernandes, L. M. P., Fiorucci, S., Gaitskell, R. J., Giboni, K. L., Gomez, R., Hasty, R., Kastens, L., Kwong, J., ... Yamashita, M. (2010). Lowering the low-energy threshold of xenon detectors. Proceedings of Science.

Sorensen, P, Angle, J, Aprile, E, Arneodo, F, Baudis, L, Bernstein, A, Bolozdynya, A, Coelho, LCC, Dahl, CE, DeViveiros, L, Ferella, AD, Fernandes, LMP, Fiorucci, S, Gaitskell, RJ, Giboni, KL, Gomez, R, Hasty, R, Kastens, L, Kwong, J, Lopes, JAM, Madden, N, Manalaysay, A, Manzur, A, McKinsey, DN, Monzani, ME, Ni, K, Oberlack, U, Orboeck, J, Plante, G, Santorelli, R, Dos Santos, JMF, Schulte, S, Shagin, P, Shutt, T, Winant, C & Yamashita, M 2010, 'Lowering the low-energy threshold of xenon detectors', Proceedings of Science.

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title = "Lowering the low-energy threshold of xenon detectors",

abstract = "We show that the energy threshold for nuclear recoils in the XENON10 dark matter search data can be lowered to ∼ 1 keV, by using only the ionization signal. In other words, we make no requirement that a valid event contain a primary scintillation signal. We therefore relinquish incident particle type discrimination, which is based on the ratio of ionization to scintillation in liquid xenon. This method compromises the detector's ability to precisely determine the z coordinate of a particle interaction. However, we show for the first time that it is possible to discriminate bulk events from surface events based solely on the ionization signal.",

author = "P. Sorensen and J. Angle and E. Aprile and F. Arneodo and L. Baudis and A. Bernstein and A. Bolozdynya and Coelho, {L. C.C.} and Dahl, {C. E.} and L. DeViveiros and Ferella, {A. D.} and Fernandes, {L. M.P.} and S. Fiorucci and Gaitskell, {R. J.} and Giboni, {K. L.} and R. Gomez and R. Hasty and L. Kastens and J. Kwong and Lopes, {J. A.M.} and N. Madden and A. Manalaysay and A. Manzur and McKinsey, {D. N.} and Monzani, {M. E.} and K. Ni and U. Oberlack and J. Orboeck and G. Plante and R. Santorelli and {Dos Santos}, {J. M.F.} and S. Schulte and P. Shagin and T. Shutt and C. Winant and M. Yamashita",

year = "2010",

language = "English (US)",

journal = "Proceedings of Science",

issn = "1824-8039",

publisher = "Sissa Medialab Srl",

note = "8th International Workshop on Identification of Dark Matter, IDM 2010 ; Conference date: 26-07-2010 Through 30-07-2010",

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TY - JOUR

T1 - Lowering the low-energy threshold of xenon detectors

AU - Sorensen, P.

AU - Angle, J.

AU - Aprile, E.

AU - Arneodo, F.

AU - Baudis, L.

AU - Bernstein, A.

AU - Bolozdynya, A.

AU - Coelho, L. C.C.

AU - Dahl, C. E.

AU - DeViveiros, L.

AU - Ferella, A. D.

AU - Fernandes, L. M.P.

AU - Fiorucci, S.

AU - Gaitskell, R. J.

AU - Giboni, K. L.

AU - Gomez, R.

AU - Hasty, R.

AU - Kastens, L.

AU - Kwong, J.

AU - Lopes, J. A.M.

AU - Madden, N.

AU - Manalaysay, A.

AU - Manzur, A.

AU - McKinsey, D. N.

AU - Monzani, M. E.

AU - Ni, K.

AU - Oberlack, U.

AU - Orboeck, J.

AU - Plante, G.

AU - Santorelli, R.

AU - Dos Santos, J. M.F.

AU - Schulte, S.

AU - Shagin, P.

AU - Shutt, T.

AU - Winant, C.

AU - Yamashita, M.

PY - 2010

Y1 - 2010

N2 - We show that the energy threshold for nuclear recoils in the XENON10 dark matter search data can be lowered to ∼ 1 keV, by using only the ionization signal. In other words, we make no requirement that a valid event contain a primary scintillation signal. We therefore relinquish incident particle type discrimination, which is based on the ratio of ionization to scintillation in liquid xenon. This method compromises the detector's ability to precisely determine the z coordinate of a particle interaction. However, we show for the first time that it is possible to discriminate bulk events from surface events based solely on the ionization signal.

AB - We show that the energy threshold for nuclear recoils in the XENON10 dark matter search data can be lowered to ∼ 1 keV, by using only the ionization signal. In other words, we make no requirement that a valid event contain a primary scintillation signal. We therefore relinquish incident particle type discrimination, which is based on the ratio of ionization to scintillation in liquid xenon. This method compromises the detector's ability to precisely determine the z coordinate of a particle interaction. However, we show for the first time that it is possible to discriminate bulk events from surface events based solely on the ionization signal.

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UR - http://www.scopus.com/inward/citedby.url?scp=84876682093&partnerID=8YFLogxK

M3 - Conference article

AN - SCOPUS:84876682093

SN - 1824-8039

JO - Proceedings of Science

JF - Proceedings of Science

T2 - 8th International Workshop on Identification of Dark Matter, IDM 2010

Y2 - 26 July 2010 through 30 July 2010

ER -

Lowering the low-energy threshold of xenon detectors

Abstract

ASJC Scopus subject areas

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