Dark matter spin-dependent limits for WIMP interactions on 19F by PICASSO

S. Archambault; F. Aubin; M. Auger; E. Behnke; B. Beltran; K. Clark; X. Dai; A. Davour; J. Farine; R. Faust; M. H. Genest; G. Giroux; R. Gornea; C. Krauss; S. Kumaratunga; I. Lawson; C. Leroy; L. Lessard; C. Levy; I. Levine; R. MacDonald; J. P. Martin; P. Nadeau; A. Noble; M. C. Piro; S. Pospisil; T. Shepherd; N. Starinski; I. Stekl; C. Storey; U. Wichoski; V. Zacek

doi:10.1016/j.physletb.2009.11.019

Dark matter spin-dependent limits for WIMP interactions on ¹⁹F by PICASSO

S. Archambault, F. Aubin, M. Auger, E. Behnke, B. Beltran, K. Clark, X. Dai, A. Davour, J. Farine, R. Faust, M. H. Genest, G. Giroux, R. Gornea, C. Krauss, S. Kumaratunga, I. Lawson, C. Leroy, L. Lessard, C. Levy, I. LevineR. MacDonald, J. P. Martin, P. Nadeau, A. Noble, M. C. Piro, S. Pospisil, T. Shepherd, N. Starinski, I. Stekl, C. Storey, U. Wichoski, V. Zacek

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Article › peer-review

137 Scopus citations

Abstract

The PICASSO experiment at SNOLAB reports new results for spin-dependent WIMP interactions on ¹⁹F using the superheated droplet technique. A new generation of detectors and new features which enable background discrimination via the rejection of non-particle induced events are described. First results are presented for a subset of two detectors with target masses of ¹⁹F of 65 g and 69 g respectively and a total exposure of 13.75 ± 0.48 kg d. No dark matter signal was found and for WIMP masses around 24 GeV/ c² new limits have been obtained on the spin-dependent cross section on ¹⁹F of σ_F = 13.9 pb (90% C.L.) which can be converted into cross section limits on protons and neutrons of σ_p = 0.16 pb and σ_n = 2.60 pb respectively (90% C.L.). The obtained limits on protons restrict recent interpretations of the DAMA/LIBRA annual modulations in terms of spin-dependent interactions.

Original language	English (US)
Pages (from-to)	185-192
Number of pages	8
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	682
Issue number	2
DOIs	https://doi.org/10.1016/j.physletb.2009.11.019
State	Published - Nov 30 2009

Bibliographical note

Funding Information:
We wish to acknowledge the support of the National Sciences and Engineering Research Council of Canada (NSERC) , the Canada Foundation for Innovation (CFI) , the National Science Foundation (NSF) for funding and the Czech Ministry of Education, Youth and Sports within the project MSM6840770029 for financial support. We also thank SNOLAB and its staff for its hospitality and for providing help and competent advice whenever needed. This work is also supported by the NSF grant PHY-0856273 and the Indiana University South Bend Research and Development Committee .

Keywords

Dark matter
SNOLAB
Superheated droplets
WIMPS

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Archambault, S., Aubin, F., Auger, M., Behnke, E., Beltran, B., Clark, K., Dai, X., Davour, A., Farine, J., Faust, R., Genest, M. H., Giroux, G., Gornea, R., Krauss, C., Kumaratunga, S., Lawson, I., Leroy, C., Lessard, L., Levy, C., ... Zacek, V. (2009). Dark matter spin-dependent limits for WIMP interactions on ¹⁹F by PICASSO. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 682(2), 185-192. https://doi.org/10.1016/j.physletb.2009.11.019

Archambault, S, Aubin, F, Auger, M, Behnke, E, Beltran, B, Clark, K, Dai, X, Davour, A, Farine, J, Faust, R, Genest, MH, Giroux, G, Gornea, R, Krauss, C, Kumaratunga, S, Lawson, I, Leroy, C, Lessard, L, Levy, C, Levine, I, MacDonald, R, Martin, JP, Nadeau, P, Noble, A, Piro, MC, Pospisil, S, Shepherd, T, Starinski, N, Stekl, I, Storey, C, Wichoski, U & Zacek, V 2009, 'Dark matter spin-dependent limits for WIMP interactions on ¹⁹F by PICASSO', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 682, no. 2, pp. 185-192. https://doi.org/10.1016/j.physletb.2009.11.019

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title = "Dark matter spin-dependent limits for WIMP interactions on 19F by PICASSO",

abstract = "The PICASSO experiment at SNOLAB reports new results for spin-dependent WIMP interactions on 19F using the superheated droplet technique. A new generation of detectors and new features which enable background discrimination via the rejection of non-particle induced events are described. First results are presented for a subset of two detectors with target masses of 19F of 65 g and 69 g respectively and a total exposure of 13.75 ± 0.48 kg d. No dark matter signal was found and for WIMP masses around 24 GeV/ c2 new limits have been obtained on the spin-dependent cross section on 19F of σF = 13.9 pb (90% C.L.) which can be converted into cross section limits on protons and neutrons of σp = 0.16 pb and σn = 2.60 pb respectively (90% C.L.). The obtained limits on protons restrict recent interpretations of the DAMA/LIBRA annual modulations in terms of spin-dependent interactions.",

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author = "S. Archambault and F. Aubin and M. Auger and E. Behnke and B. Beltran and K. Clark and X. Dai and A. Davour and J. Farine and R. Faust and Genest, {M. H.} and G. Giroux and R. Gornea and C. Krauss and S. Kumaratunga and I. Lawson and C. Leroy and L. Lessard and C. Levy and I. Levine and R. MacDonald and Martin, {J. P.} and P. Nadeau and A. Noble and Piro, {M. C.} and S. Pospisil and T. Shepherd and N. Starinski and I. Stekl and C. Storey and U. Wichoski and V. Zacek",

note = "Funding Information: We wish to acknowledge the support of the National Sciences and Engineering Research Council of Canada (NSERC) , the Canada Foundation for Innovation (CFI) , the National Science Foundation (NSF) for funding and the Czech Ministry of Education, Youth and Sports within the project MSM6840770029 for financial support. We also thank SNOLAB and its staff for its hospitality and for providing help and competent advice whenever needed. This work is also supported by the NSF grant PHY-0856273 and the Indiana University South Bend Research and Development Committee .",

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T1 - Dark matter spin-dependent limits for WIMP interactions on 19F by PICASSO

AU - Archambault, S.

AU - Aubin, F.

AU - Auger, M.

AU - Behnke, E.

AU - Beltran, B.

AU - Clark, K.

AU - Dai, X.

AU - Davour, A.

AU - Farine, J.

AU - Faust, R.

AU - Genest, M. H.

AU - Giroux, G.

AU - Gornea, R.

AU - Krauss, C.

AU - Kumaratunga, S.

AU - Lawson, I.

AU - Leroy, C.

AU - Lessard, L.

AU - Levy, C.

AU - Levine, I.

AU - MacDonald, R.

AU - Martin, J. P.

AU - Nadeau, P.

AU - Noble, A.

AU - Piro, M. C.

AU - Pospisil, S.

AU - Shepherd, T.

AU - Starinski, N.

AU - Stekl, I.

AU - Storey, C.

AU - Wichoski, U.

AU - Zacek, V.

N1 - Funding Information: We wish to acknowledge the support of the National Sciences and Engineering Research Council of Canada (NSERC) , the Canada Foundation for Innovation (CFI) , the National Science Foundation (NSF) for funding and the Czech Ministry of Education, Youth and Sports within the project MSM6840770029 for financial support. We also thank SNOLAB and its staff for its hospitality and for providing help and competent advice whenever needed. This work is also supported by the NSF grant PHY-0856273 and the Indiana University South Bend Research and Development Committee .

PY - 2009/11/30

Y1 - 2009/11/30

N2 - The PICASSO experiment at SNOLAB reports new results for spin-dependent WIMP interactions on 19F using the superheated droplet technique. A new generation of detectors and new features which enable background discrimination via the rejection of non-particle induced events are described. First results are presented for a subset of two detectors with target masses of 19F of 65 g and 69 g respectively and a total exposure of 13.75 ± 0.48 kg d. No dark matter signal was found and for WIMP masses around 24 GeV/ c2 new limits have been obtained on the spin-dependent cross section on 19F of σF = 13.9 pb (90% C.L.) which can be converted into cross section limits on protons and neutrons of σp = 0.16 pb and σn = 2.60 pb respectively (90% C.L.). The obtained limits on protons restrict recent interpretations of the DAMA/LIBRA annual modulations in terms of spin-dependent interactions.

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KW - WIMPS

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