Low-threshold analysis of CDMS shallow-site data

D. S. Akerib; M. J. Attisha; L. Baudis; D. A. Bauer; A. I. Bolozdynya; P. L. Brink; R. Bunker; B. Cabrera; D. O. Caldwell; C. L. Chang; R. M. Clarke; J. Cooley; M. B. Crisler; P. Cushman; F. Dejongh; R. Dixon; D. D. Driscoll; J. Filippini; S. Funkhouser; R. J. Gaitskell; S. R. Golwala; D. Holmgren; L. Hsu; M. E. Huber; S. Kamat; R. Mahapatra; V. Mandic; P. Meunier; N. Mirabolfathi; D. Moore; S. W. Nam; H. Nelson; R. W. Ogburn; X. Qiu; W. Rau; A. Reisetter; T. Saab; B. Sadoulet; J. Sander; C. Savage; R. W. Schnee; D. N. Seitz; T. A. Shutt; G. Wang; S. Yellin; J. Yoo; B. A. Young

doi:10.1103/PhysRevD.82.122004

Low-threshold analysis of CDMS shallow-site data

D. S. Akerib, M. J. Attisha, L. Baudis, D. A. Bauer, A. I. Bolozdynya, P. L. Brink, R. Bunker, B. Cabrera, D. O. Caldwell, C. L. Chang, R. M. Clarke, J. Cooley, M. B. Crisler, P. Cushman, F. Dejongh, R. Dixon, D. D. Driscoll, J. Filippini, S. Funkhouser, R. J. GaitskellS. R. Golwala, D. Holmgren, L. Hsu, M. E. Huber, S. Kamat, R. Mahapatra, V. Mandic, P. Meunier, N. Mirabolfathi, D. Moore, S. W. Nam, H. Nelson, R. W. Ogburn, X. Qiu, W. Rau, A. Reisetter, T. Saab, B. Sadoulet, J. Sander, C. Savage, R. W. Schnee, D. N. Seitz, T. A. Shutt, G. Wang, S. Yellin, J. Yoo, B. A. Young

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Abstract

Data taken during the final shallow-site run of the first tower of the Cryogenic Dark Matter Search (CDMS II) detectors have been reanalyzed with improved sensitivity to small energy depositions. Four ∼224g germanium and two ∼105g silicon detectors were operated at the Stanford Underground Facility (SUF) between December 2001 and June 2002, yielding 118 live days of raw exposure. Three of the germanium and both silicon detectors were analyzed with a new low-threshold technique, making it possible to lower the germanium and silicon analysis thresholds down to the actual trigger thresholds of ∼1 and ∼2keV, respectively. Limits on the spin-independent cross section for weakly interacting massive particles (WIMPs) to elastically scatter from nuclei based on these data exclude interesting parameter space for WIMPs with masses below 9GeV/c2. Under standard halo assumptions, these data partially exclude parameter space favored by interpretations of the DAMA/LIBRA and CoGeNT experiments' data as WIMP signals, and exclude new parameter space for WIMP masses between 3 and 4GeV/c2.

Original language	English (US)
Article number	122004
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	82
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevD.82.122004
State	Published - Dec 22 2010
Externally published	Yes

ASJC Scopus subject areas

Nuclear and High Energy Physics
Physics and Astronomy (miscellaneous)

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10.1103/PhysRevD.82.122004

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Akerib, D. S., Attisha, M. J., Baudis, L., Bauer, D. A., Bolozdynya, A. I., Brink, P. L., Bunker, R., Cabrera, B., Caldwell, D. O., Chang, C. L., Clarke, R. M., Cooley, J., Crisler, M. B., Cushman, P., Dejongh, F., Dixon, R., Driscoll, D. D., Filippini, J., Funkhouser, S., ... Young, B. A. (2010). Low-threshold analysis of CDMS shallow-site data. Physical Review D - Particles, Fields, Gravitation and Cosmology, 82(12), [122004]. https://doi.org/10.1103/PhysRevD.82.122004

Akerib, DS, Attisha, MJ, Baudis, L, Bauer, DA, Bolozdynya, AI, Brink, PL, Bunker, R, Cabrera, B, Caldwell, DO, Chang, CL, Clarke, RM, Cooley, J, Crisler, MB, Cushman, P, Dejongh, F, Dixon, R, Driscoll, DD, Filippini, J, Funkhouser, S, Gaitskell, RJ, Golwala, SR, Holmgren, D, Hsu, L, Huber, ME, Kamat, S, Mahapatra, R, Mandic, V, Meunier, P, Mirabolfathi, N, Moore, D, Nam, SW, Nelson, H, Ogburn, RW, Qiu, X, Rau, W, Reisetter, A, Saab, T, Sadoulet, B, Sander, J, Savage, C, Schnee, RW, Seitz, DN, Shutt, TA, Wang, G, Yellin, S, Yoo, J & Young, BA 2010, 'Low-threshold analysis of CDMS shallow-site data', Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 82, no. 12, 122004. https://doi.org/10.1103/PhysRevD.82.122004

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title = "Low-threshold analysis of CDMS shallow-site data",

abstract = "Data taken during the final shallow-site run of the first tower of the Cryogenic Dark Matter Search (CDMS II) detectors have been reanalyzed with improved sensitivity to small energy depositions. Four ∼224g germanium and two ∼105g silicon detectors were operated at the Stanford Underground Facility (SUF) between December 2001 and June 2002, yielding 118 live days of raw exposure. Three of the germanium and both silicon detectors were analyzed with a new low-threshold technique, making it possible to lower the germanium and silicon analysis thresholds down to the actual trigger thresholds of ∼1 and ∼2keV, respectively. Limits on the spin-independent cross section for weakly interacting massive particles (WIMPs) to elastically scatter from nuclei based on these data exclude interesting parameter space for WIMPs with masses below 9GeV/c2. Under standard halo assumptions, these data partially exclude parameter space favored by interpretations of the DAMA/LIBRA and CoGeNT experiments' data as WIMP signals, and exclude new parameter space for WIMP masses between 3 and 4GeV/c2.",

author = "Akerib, {D. S.} and Attisha, {M. J.} and L. Baudis and Bauer, {D. A.} and Bolozdynya, {A. I.} and Brink, {P. L.} and R. Bunker and B. Cabrera and Caldwell, {D. O.} and Chang, {C. L.} and Clarke, {R. M.} and J. Cooley and Crisler, {M. B.} and P. Cushman and F. Dejongh and R. Dixon and Driscoll, {D. D.} and J. Filippini and S. Funkhouser and Gaitskell, {R. J.} and Golwala, {S. R.} and D. Holmgren and L. Hsu and Huber, {M. E.} and S. Kamat and R. Mahapatra and V. Mandic and P. Meunier and N. Mirabolfathi and D. Moore and Nam, {S. W.} and H. Nelson and Ogburn, {R. W.} and X. Qiu and W. Rau and A. Reisetter and T. Saab and B. Sadoulet and J. Sander and C. Savage and Schnee, {R. W.} and Seitz, {D. N.} and Shutt, {T. A.} and G. Wang and S. Yellin and J. Yoo and Young, {B. A.}",

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AU - Akerib, D. S.

AU - Attisha, M. J.

AU - Baudis, L.

AU - Bauer, D. A.

AU - Bolozdynya, A. I.

AU - Brink, P. L.

AU - Bunker, R.

AU - Cabrera, B.

AU - Caldwell, D. O.

AU - Chang, C. L.

AU - Clarke, R. M.

AU - Cooley, J.

AU - Crisler, M. B.

AU - Cushman, P.

AU - Dejongh, F.

AU - Dixon, R.

AU - Driscoll, D. D.

AU - Filippini, J.

AU - Funkhouser, S.

AU - Gaitskell, R. J.

AU - Golwala, S. R.

AU - Holmgren, D.

AU - Hsu, L.

AU - Huber, M. E.

AU - Kamat, S.

AU - Mahapatra, R.

AU - Mandic, V.

AU - Meunier, P.

AU - Mirabolfathi, N.

AU - Moore, D.

AU - Nam, S. W.

AU - Nelson, H.

AU - Ogburn, R. W.

AU - Qiu, X.

AU - Rau, W.

AU - Reisetter, A.

AU - Saab, T.

AU - Sadoulet, B.

AU - Sander, J.

AU - Savage, C.

AU - Schnee, R. W.

AU - Seitz, D. N.

AU - Shutt, T. A.

AU - Wang, G.

AU - Yellin, S.

AU - Yoo, J.

AU - Young, B. A.

PY - 2010/12/22

Y1 - 2010/12/22

N2 - Data taken during the final shallow-site run of the first tower of the Cryogenic Dark Matter Search (CDMS II) detectors have been reanalyzed with improved sensitivity to small energy depositions. Four ∼224g germanium and two ∼105g silicon detectors were operated at the Stanford Underground Facility (SUF) between December 2001 and June 2002, yielding 118 live days of raw exposure. Three of the germanium and both silicon detectors were analyzed with a new low-threshold technique, making it possible to lower the germanium and silicon analysis thresholds down to the actual trigger thresholds of ∼1 and ∼2keV, respectively. Limits on the spin-independent cross section for weakly interacting massive particles (WIMPs) to elastically scatter from nuclei based on these data exclude interesting parameter space for WIMPs with masses below 9GeV/c2. Under standard halo assumptions, these data partially exclude parameter space favored by interpretations of the DAMA/LIBRA and CoGeNT experiments' data as WIMP signals, and exclude new parameter space for WIMP masses between 3 and 4GeV/c2.

AB - Data taken during the final shallow-site run of the first tower of the Cryogenic Dark Matter Search (CDMS II) detectors have been reanalyzed with improved sensitivity to small energy depositions. Four ∼224g germanium and two ∼105g silicon detectors were operated at the Stanford Underground Facility (SUF) between December 2001 and June 2002, yielding 118 live days of raw exposure. Three of the germanium and both silicon detectors were analyzed with a new low-threshold technique, making it possible to lower the germanium and silicon analysis thresholds down to the actual trigger thresholds of ∼1 and ∼2keV, respectively. Limits on the spin-independent cross section for weakly interacting massive particles (WIMPs) to elastically scatter from nuclei based on these data exclude interesting parameter space for WIMPs with masses below 9GeV/c2. Under standard halo assumptions, these data partially exclude parameter space favored by interpretations of the DAMA/LIBRA and CoGeNT experiments' data as WIMP signals, and exclude new parameter space for WIMP masses between 3 and 4GeV/c2.

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DO - 10.1103/PhysRevD.82.122004

M3 - Article

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SN - 1550-7998

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JO - Physical Review D - Particles, Fields, Gravitation and Cosmology

JF - Physical Review D - Particles, Fields, Gravitation and Cosmology

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ER -

Low-threshold analysis of CDMS shallow-site data

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