A. Lu
University of California, Santa Barbara
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Featured researches published by A. Lu.
Physical Review Letters | 2000
R. Abusaidi; D. S. Akerib; P. D. Barnes; D. A. Bauer; A. Bolozdynya; P. L. Brink; R. Bunker; B. Cabrera; David O. Caldwell; J. P. Castle; R. M. Clarke; P. Colling; M. B. Crisler; A. C. Cummings; Da Silva A; A. K. Davies; R. Dixon; B. L. Dougherty; D. Driscoll; S. Eichblatt; J. Emes; R.J. Gaitskell; Golwala; Daniel E. Hale; E. E. Haller; J. Hellmig; M. E. Huber; K. D. Irwin; J. Jochum; F. P. Lipschultz
The Cryogenic Dark Matter Search (CDMS) employs Ge and Si detectors to search for WIMPs via their elastic-scattering interactions with nuclei while discriminating against interactions of background particles. CDMS data give limits on the spin-independent WIMP-nucleon elastic-scattering cross-section that exclude unexplored parameter space above 10 GeV c^{-2} WIMP mass and, at>84% CL, the entire 3
Physical Review D | 2002
R. Abusaidi; D. S. Akerib; P. D. Barnes; D. A. Bauer; A. Bolozdynya; P. L. Brink; R. Bunker; B. Cabrera; David O. Caldwell; J. P. Castle; R. M. Clarke; P. Colling; M. B. Crisler; A. C. Cummings; A. Da Silva; A. K. Davies; R. Dixon; B. L. Dougherty; D. Driscoll; S. Eichblatt; J. Emes; R.J. Gaitskell; S. R. Golwala; Daniel E. Hale; E. E. Haller; J. Hellmig; M. E. Huber; K. D. Irwin; J. Jochum; F. P. Lipschultz
sigma
Physical Review D | 2003
D. S. Akerib; J. Alvaro-Dean; M. S. Armel; M. J. Attisha; L. Baudis; D. A. Bauer; A. Bolozdynya; P. L. Brink; R. Bunker; B. Cabrera; David O. Caldwell; J. P. Castle; C.L. Chang; R. M. Clarke; M. B. Crisler; P. Cushman; A. K. Davies; R. Dixon; D. Driscoll; L. Duong; J. Emes; R. Ferril; R.J. Gaitskell; S. R. Golwala; M. Haldeman; J. Hellmig; M. Hennessey; D. Holmgren; M. E. Huber; S. Kamat
allowed region for the WIMP signal reported by the DAMA experiment.
Journal of Low Temperature Physics | 1993
P. D. BarnesJr.; A. Da Silva; É. Aubourg; D. S. Akerib; D. A. Bauer; D. Borden; B. Cabrera; David O. Caldwell; B. Chugg; A. C. Cummings; Brian Dougherty; J. Emes; M. Gray; D. Hale; E. E. Haller; K. D. Irwin; A. E. Lange; A. Lu; S. Margulies; M. J. Penn; A. A. Pomansky; B. Pritychenko; R. R. Ross; B. Sadoulet; T. Shutt; A. R. Smith; G. Smith; W. Stockwell; J.D. Taylor; Simon D. M. White
The Cryogenic Dark Matter Search (CDMS) employs low-temperature Ge and Si detectors to search for Weakly Interacting Massive Particles (WIMPs) via their elastic-scattering interactions with nuclei while discriminating against interactions of background particles. For recoil energies above 10 keV, events due to background photons are rejected with>99.9% efficiency, and surface events are rejected with>95% efficiency. The estimate of the background due to neutrons is based primarily on the observation of multiple-scatter events that should all be neutrons. Data selection is determined primarily by examining calibration data and vetoed events. Resulting efficiencies should be accurate to about 10%. Results of CDMS data from 1998 and 1999 with a relaxed fiducial-volume cut (resulting in 15.8 kg-days exposure on Ge) are consistent with an earlier analysis with a more restrictive fiducial-volume cut. Twenty-three WIMP candidate events are observed, but these events are consistent with a background from neutrons in all ways tested. Resulting limits on the spin-independent WIMP-nucleon elastic-scattering cross-section exclude unexplored parameter space for WIMPs with masses between 10-70 GeV c^{-2}. These limits border, but do not exclude, parameter space allowed by supersymmetry models and accelerator constraints. Results are compatible with some regions reported as allowed at 3-sigma by the annual-modulation measurement of the DAMA collaboration. However, under the assumptions of standard WIMP interactions and a standard halo, the results are incompatible with the DAMA most likely value at>99.9% CL, and are incompatible with the model-independent annual-modulation signal of DAMA at 99.99% CL in the asymptotic limit.
Nuclear Physics B - Proceedings Supplements | 1996
T. Shutt; D. S. Akerib; P. D. Barnes; D. A. Bauer; P. L. Brink; B. Cabrera; David O. Caldwell; B. Chugg; R. M. Clarke; Ashley M. Dasilva; A. K. Davies; Brian Dougherty; J. Emes; R.J. Gaitskell; S. R. Golwala; Daniel E. Hale; E. E. Haller; K. D. Irwin; William B. Knowlton; V. Kuzminov; A. Lu; M. Muno; Suk Woo Nam; V. Novikov; M. J. Penn; R. R. Ross; B. Sadoulet; D. N. Seitz; A. R. Smith; G. Smith
The Cryogenic Dark Matter Search experiment uses low-temperature solid-state detectors to seek Weakly Interacting Massive Particles (WIMPs) and has the worlds best exclusion limit on the spin-independent WIMP-nucleon cross section. The experiment uses ionization and athermal phonon signals from particle interactions to discriminate between candidate (nuclear recoil) and background (electron recoil) events with extremely high efficiency. The detectors low energy threshold for electron recoil events allows us to perform the search for relic axions and solar axions which can interact in the detector via the axio-electric coupling
Proceedings of the Fourth International Workshop | 2003
T. Saab; P. L. Brink; L. Baudis; B. Cabrera; J. P. Castle; C.L. Chang; R.J. Gaitskell; J. P. Thomson; D. S. Akerib; D. Driscoll; S. Kamat; T. A. Perera; R. W. Schnee; Gensheng Wang; M. B. Crisler; R. Dixon; D. Holmgren; J. Emes; R. R. Ross; A. J. S. Smith; G. Smith; John M. Martinis; T. Shutt; B. A. Young; M. S. Armel; V. Mandic; P. Meunier; W. Rau; B. Sadoulet; D. N. Seitz
g_{abar{e}e}
Proceedings of the Fourth International Workshop | 2003
P. L. Brink; L. Baudis; B. Cabrera; J. P. Castle; C.L. Chang; T. Saab; R.J. Gaitskell; J. P. Thomson; D. S. Akerib; D. Driscoll; S. Kamat; T. A. Perera; R. W. Schnee; Gensheng Wang; M. B. Crisler; R. Dixon; D. Holmgren; J. Emes; R. R. Ross; A. J. S. Smith; G. Smith; John M. Martinis; T. Shutt; B. A. Young; M. S. Armel; V. Mandic; P. Meunier; W. Rau; B. Sadoulet; D. N. Seitz
and the Primakoff coupling
Physica B-condensed Matter | 2003
David S. Abrams; D. S. Akerib; M. S. Armel-Funkhouser; L. Baudis; D. A. Bauer; P. L. Brink; R. Bunker; B. Cabrera; David O. Caldwell; J. P. Castle; C.L Chang; M.B. Crisler; R. Dixon; D. Driscoll; J. Emes; R.J. Gaitskell; J. Hellmig; D. Holmgren; M. E. Huber; S. Kamat; A. Lu; V. Mandic; John M. Martinis; P. Meunier; H. N. Nelson; T. A. Perera; M. C. Perillo Isaac; W. Rau; R.R. Ross; T. Saab
g_{agammagamma}
Nuclear Physics B - Proceedings Supplements | 2003
R. W. Schnee; David S. Abrams; D. S. Akerib; M. S. Armel-Funkhouser; L. Baudis; D. A. Bauer; A. Bolozdynya; P. L. Brink; R. Bunker; B. Cabrera; David O. Caldwell; J. P. Castle; C.L. Chang; R. M. Clarke; M. B. Crisler; R. Dixon; D. Driscoll; S. Eichblatt; R.J. Gaitskell; S. R. Golwala; E. E. Haller; J. Hellmig; D. Holmgren; M. E. Huber; S. Kamat; A. Lu; V. Mandi; John M. Martinis; P. Meunier; Sae Woo Nam
respectively. We describe the experiment and our most recent results from the Soudan 5-tower data runs which include a world-leading upper limit on the WIMP-nucleon spin-independent cross section with a minimum of
RELATIVISTIC ASTROPHYSICS: 20th Texas Symposium | 2002
B. Cabrera; R. Abusaidi; D. S. Akerib; P. D. Barnes; D. A. Bauer; A. Bolozdynya; P. L. Brink; R. Bunker; David O. Caldwell; J. P. Castle; C.L. Chang; R. M. Clarke; P. Colling; M. B. Cristler; A. C. Cummings; A. Da Silva; A. K. Davies; R. Dixon; Brian Dougherty; D. Driscoll; S. Eichblatt; J. Emes; R.J. Gaitskell; S. R. Golwala; Daniel E. Hale; E. E. Haller; D. Holmgren; J. Hellmig; M. E. Huber; K. D. Irwin
4.6times10^{-44}