Search for low-mass dark matter with CDMSlite using a profile likelihood fit
Abstract
The Cryogenic Dark Matter Search low ionization threshold experiment (CDMSlite) searches for interactions between dark matter particles and germanium nuclei in cryogenic detectors. The experiment has achieved a low energy threshold with improved sensitivity to low-mass (<10 GeV/c2) dark matter particles. We present an analysis of the final CDMSlite dataset, taken with a different detector than was used for the two previous CDMSlite datasets. This analysis includes a data “salting” method to protect against bias, improved noise discrimination, background modeling, and the use of profile likelihood methods to search for a dark matter signal in the presence of backgrounds. We achieve an energy threshold of 70 eV and significantly improve the sensitivity for dark matter particles with masses between 2.5 and 10 GeV/c2 compared to previous analyses. Here, we set an upper limit on the dark matter-nucleon scattering cross section in germanium of 5.4×10-42 cm2 at 5 GeV/c2, a factor of ~2.5 improvement over the previous CDMSlite result.
- Authors:
- more »
- Publication Date:
- Research Org.:
- SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Pacific Northwest National Laboratory (PNNL), Richland, WA (United States); University of South Dakota, Vermillion SD (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- Contributing Org.:
- SuperCDMS; SuperCDMS Collaboration
- OSTI Identifier:
- 1478020
- Alternate Identifier(s):
- OSTI ID: 1526707; OSTI ID: 1546191; OSTI ID: 1598287
- Report Number(s):
- FERMILAB-PUB-18-435-AE; arXiv:1808.09098
Journal ID: ISSN 2470-0010; PRVDAQ; oai:inspirehep.net:1691860
- Grant/Contract Number:
- AC02-07CH11359; AC02-76SF00515; AC05-76RL01830; 15-S-33; SC0015657
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review. D.
- Additional Journal Information:
- Journal Volume: 99; Journal Issue: 6; Journal ID: ISSN 2470-0010
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 79 ASTRONOMY AND ASTROPHYSICS; 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
Citation Formats
Agnese, R., Aralis, T., Aramaki, T., Arnquist, I. J., Azadbakht, E., Baker, W., Banik, S., Barker, D., Bauer, D. A., Binder, T., Bowles, M. A., Brink, P. L., Bunker, R., Cabrera, B., Calkins, R., Cameron, R. A., Cartaro, C., Cerdeño, D. G., Chang, Y. -Y., Cooley, J., Cornell, B., Cushman, P., De Brienne, F., Doughty, T., Fascione, E., Figueroa-Feliciano, E., Fink, C. W., Fritts, M., Gerbier, G., Germond, R., Ghaith, M., Golwala, S. R., Harris, H. R., Herbert, N., Hong, Z., Hoppe, E. W., Hsu, L., Huber, M. E., Iyer, V., Jardin, D., Jastram, A., Jena, C., Kelsey, M. H., Kennedy, A., Kubik, A., Kurinsky, N. A., Lawrence, R. E., Loer, B., Lopez Asamar, E., Lukens, P., MacDonell, D., Mahapatra, R., Mandic, V., Mast, N., Miller, E., Mirabolfathi, N., Mohanty, B., Morales Mendoza, J. D., Nelson, J., Neog, H., Orrell, J. L., Oser, S. M., Page, W. A., Partridge, R., Pepin, M., Ponce, F., Poudel, S., Pyle, M., Qiu, H., Rau, W., Reisetter, A., Ren, R., Reynolds, T., Roberts, A., Robinson, A. E., Rogers, H. E., Saab, T., Sadoulet, B., Sander, J., Scarff, A., Schnee, R. W., Scorza, S., Senapati, K., Serfass, B., Speller, D., Stanford, C., Stein, M., Street, J., Tanaka, H. A., Toback, D., Underwood, R., Villano, A. N., von Krosigk, B., Watkins, S. L., Wilson, J. S., Wilson, M. J., Winchell, J., Wright, D. H., Yellin, S., Young, B. A., Zhang, X., and Zhao, X. Search for low-mass dark matter with CDMSlite using a profile likelihood fit. United States: N. p., 2019.
Web. doi:10.1103/PhysRevD.99.062001.
Agnese, R., Aralis, T., Aramaki, T., Arnquist, I. J., Azadbakht, E., Baker, W., Banik, S., Barker, D., Bauer, D. A., Binder, T., Bowles, M. A., Brink, P. L., Bunker, R., Cabrera, B., Calkins, R., Cameron, R. A., Cartaro, C., Cerdeño, D. G., Chang, Y. -Y., Cooley, J., Cornell, B., Cushman, P., De Brienne, F., Doughty, T., Fascione, E., Figueroa-Feliciano, E., Fink, C. W., Fritts, M., Gerbier, G., Germond, R., Ghaith, M., Golwala, S. R., Harris, H. R., Herbert, N., Hong, Z., Hoppe, E. W., Hsu, L., Huber, M. E., Iyer, V., Jardin, D., Jastram, A., Jena, C., Kelsey, M. H., Kennedy, A., Kubik, A., Kurinsky, N. A., Lawrence, R. E., Loer, B., Lopez Asamar, E., Lukens, P., MacDonell, D., Mahapatra, R., Mandic, V., Mast, N., Miller, E., Mirabolfathi, N., Mohanty, B., Morales Mendoza, J. D., Nelson, J., Neog, H., Orrell, J. L., Oser, S. M., Page, W. A., Partridge, R., Pepin, M., Ponce, F., Poudel, S., Pyle, M., Qiu, H., Rau, W., Reisetter, A., Ren, R., Reynolds, T., Roberts, A., Robinson, A. E., Rogers, H. E., Saab, T., Sadoulet, B., Sander, J., Scarff, A., Schnee, R. W., Scorza, S., Senapati, K., Serfass, B., Speller, D., Stanford, C., Stein, M., Street, J., Tanaka, H. A., Toback, D., Underwood, R., Villano, A. N., von Krosigk, B., Watkins, S. L., Wilson, J. S., Wilson, M. J., Winchell, J., Wright, D. H., Yellin, S., Young, B. A., Zhang, X., & Zhao, X. Search for low-mass dark matter with CDMSlite using a profile likelihood fit. United States. https://doi.org/10.1103/PhysRevD.99.062001
Agnese, R., Aralis, T., Aramaki, T., Arnquist, I. J., Azadbakht, E., Baker, W., Banik, S., Barker, D., Bauer, D. A., Binder, T., Bowles, M. A., Brink, P. L., Bunker, R., Cabrera, B., Calkins, R., Cameron, R. A., Cartaro, C., Cerdeño, D. G., Chang, Y. -Y., Cooley, J., Cornell, B., Cushman, P., De Brienne, F., Doughty, T., Fascione, E., Figueroa-Feliciano, E., Fink, C. W., Fritts, M., Gerbier, G., Germond, R., Ghaith, M., Golwala, S. R., Harris, H. R., Herbert, N., Hong, Z., Hoppe, E. W., Hsu, L., Huber, M. E., Iyer, V., Jardin, D., Jastram, A., Jena, C., Kelsey, M. H., Kennedy, A., Kubik, A., Kurinsky, N. A., Lawrence, R. E., Loer, B., Lopez Asamar, E., Lukens, P., MacDonell, D., Mahapatra, R., Mandic, V., Mast, N., Miller, E., Mirabolfathi, N., Mohanty, B., Morales Mendoza, J. D., Nelson, J., Neog, H., Orrell, J. L., Oser, S. M., Page, W. A., Partridge, R., Pepin, M., Ponce, F., Poudel, S., Pyle, M., Qiu, H., Rau, W., Reisetter, A., Ren, R., Reynolds, T., Roberts, A., Robinson, A. E., Rogers, H. E., Saab, T., Sadoulet, B., Sander, J., Scarff, A., Schnee, R. W., Scorza, S., Senapati, K., Serfass, B., Speller, D., Stanford, C., Stein, M., Street, J., Tanaka, H. A., Toback, D., Underwood, R., Villano, A. N., von Krosigk, B., Watkins, S. L., Wilson, J. S., Wilson, M. J., Winchell, J., Wright, D. H., Yellin, S., Young, B. A., Zhang, X., and Zhao, X. Fri .
"Search for low-mass dark matter with CDMSlite using a profile likelihood fit". United States. https://doi.org/10.1103/PhysRevD.99.062001. https://www.osti.gov/servlets/purl/1478020.
@article{osti_1478020,
title = {Search for low-mass dark matter with CDMSlite using a profile likelihood fit},
author = {Agnese, R. and Aralis, T. and Aramaki, T. and Arnquist, I. J. and Azadbakht, E. and Baker, W. and Banik, S. and Barker, D. and Bauer, D. A. and Binder, T. and Bowles, M. A. and Brink, P. L. and Bunker, R. and Cabrera, B. and Calkins, R. and Cameron, R. A. and Cartaro, C. and Cerdeño, D. G. and Chang, Y. -Y. and Cooley, J. and Cornell, B. and Cushman, P. and De Brienne, F. and Doughty, T. and Fascione, E. and Figueroa-Feliciano, E. and Fink, C. W. and Fritts, M. and Gerbier, G. and Germond, R. and Ghaith, M. and Golwala, S. R. and Harris, H. R. and Herbert, N. and Hong, Z. and Hoppe, E. W. and Hsu, L. and Huber, M. E. and Iyer, V. and Jardin, D. and Jastram, A. and Jena, C. and Kelsey, M. H. and Kennedy, A. and Kubik, A. and Kurinsky, N. A. and Lawrence, R. E. and Loer, B. and Lopez Asamar, E. and Lukens, P. and MacDonell, D. and Mahapatra, R. and Mandic, V. and Mast, N. and Miller, E. and Mirabolfathi, N. and Mohanty, B. and Morales Mendoza, J. D. and Nelson, J. and Neog, H. and Orrell, J. L. and Oser, S. M. and Page, W. A. and Partridge, R. and Pepin, M. and Ponce, F. and Poudel, S. and Pyle, M. and Qiu, H. and Rau, W. and Reisetter, A. and Ren, R. and Reynolds, T. and Roberts, A. and Robinson, A. E. and Rogers, H. E. and Saab, T. and Sadoulet, B. and Sander, J. and Scarff, A. and Schnee, R. W. and Scorza, S. and Senapati, K. and Serfass, B. and Speller, D. and Stanford, C. and Stein, M. and Street, J. and Tanaka, H. A. and Toback, D. and Underwood, R. and Villano, A. N. and von Krosigk, B. and Watkins, S. L. and Wilson, J. S. and Wilson, M. J. and Winchell, J. and Wright, D. H. and Yellin, S. and Young, B. A. and Zhang, X. and Zhao, X.},
abstractNote = {The Cryogenic Dark Matter Search low ionization threshold experiment (CDMSlite) searches for interactions between dark matter particles and germanium nuclei in cryogenic detectors. The experiment has achieved a low energy threshold with improved sensitivity to low-mass (<10 GeV/c2) dark matter particles. We present an analysis of the final CDMSlite dataset, taken with a different detector than was used for the two previous CDMSlite datasets. This analysis includes a data “salting” method to protect against bias, improved noise discrimination, background modeling, and the use of profile likelihood methods to search for a dark matter signal in the presence of backgrounds. We achieve an energy threshold of 70 eV and significantly improve the sensitivity for dark matter particles with masses between 2.5 and 10 GeV/c2 compared to previous analyses. Here, we set an upper limit on the dark matter-nucleon scattering cross section in germanium of 5.4×10-42 cm2 at 5 GeV/c2, a factor of ~2.5 improvement over the previous CDMSlite result.},
doi = {10.1103/PhysRevD.99.062001},
journal = {Physical Review. D.},
number = 6,
volume = 99,
place = {United States},
year = {Fri Mar 15 00:00:00 EDT 2019},
month = {Fri Mar 15 00:00:00 EDT 2019}
}
Web of Science
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