Demonstration of surface electron rejection with interleaved germanium detectors for dark matter searches
Author
Agnése, R.; Anderson, Adam J.; Balakishiyeva, Durdana N.; Basu Thakur, R.; Bauer, Daniel A.; Borgland, AW W.; Brandt, Daniel E.; Brink, Paul L.; Bunker, Robert L.; Cabrera, Blas; Całdwell, David O.; Cerdeño, David G.; Chagani, Hassan; Cherry, Matthew R.; Cooley, Jodi A.; Cornell, Bradford; Crewdson, Chase H.; Cushman, Priscilla B.; Daal, Miguel; Di Stéfano, Philippe C F; Do Couto E Silva, Eduardo; Doughty, T.; Esteban, L.; Fallows, S.; Figueroa-Feliciano, Enectalí; Fox, Jake R.; Fritts, M. C.; Godfrey, Gary L.; Golwala, Sunil R.; Hall, Jeter C.; Harris, Harlan Rusty; Hasi, Jasmine; Hertel, Scott A.; Hines, Bruce A.; Hofer, T.; Holmgren, Donald J.; Hsu, L.; Huber, Martin E.; Jastram, A.; Kamaev, Oleg; Kara, B.; Kelsey, Michael H.; Kenany, S. A.; Kennedy, A.; Kenney, Christopher J.; Kiveni, M.; Koch, Katrin; Loer, Ben; Lopez Asamar, E.; Mahapatra, Rupak; Mandic, Vuk; Martínez, César; McCarthy, Kevin A.; Mirabolfathi, N.; Moffatt, R. A.; Moore, David C.; Nadeau, P.; Nelson, Robert H.; Novák, Libor; Page, Katharine; Partridge, Richard A.; Pépin, Marc P.; Phipps, Alex T J; Prasad, Karthik Ganeshwar; Pyle, M. C.; Qiu, H.; Radpour, R.; Rau, Wolfgang; Redl, Peter; Reisetter, A.; Resch, R. W.; Ricci, Y.; Saab, Tarek; Sadoulet, Bernard; Sander, Jonathan S.; Schmitt, Richard L.; Schneck, K.; Schnee, Richard W.; Scorza, Silvia; Seitz, Dennis N.; Serfass, Bruno; Shank, B.; Speller, D.; Tomada, Astrid; Villano, A. N.; Welliver, B.; Wright, Dennis H.; Yellin, Steven J.; Yen, Jeffrey J.; Young, Betty; Zhang, J.Entity
UAM. Departamento de Física TeóricaPublisher
American Institute of PhysicsDate
2013-10-14Citation
10.1063/1.4826093
Applied Physics Letters 103.16 (2013): 164105
ISSN
0003-6951 (print); 1077-3118 (online)DOI
10.1063/1.4826093Funded by
This work is supported in part by the National Science Foundation (Grant Nos. AST-9978911, NSF-0847342, PHY-1102795,NSF-1151869, PHY-0542066, PHY-0503729, PHY-0503629, PHY-0503641, PHY-0504224, PHY-0705052,PHY-0801708, PHY-0801712, PHY-0802575, PHY-0847342, PHY-0855299, PHY-0855525, and PHY-1205898), by the Department of Energy (Contract Nos. DE-AC03-76SF00098, DE-FG02-92ER40701, DE-FG02-94ER40823,DE-FG03-90ER40569, DE-FG03-91ER40618, and DESC0004022),by NSERC Canada (Grant Nos. SAPIN 341314 and SAPPJ 386399), and by MULTIDARK CSD2009-00064 and FPA2012-34694. Fermilab is operated by Fermi Research Alliance, LLC under Contract No. De-AC02-07CH11359, while SLAC is operated under Contract No. DE-AC02-76SF00515 with the United States Department of Energy.Editor's Version
http://dx.doi.org/10.1063/1.4826093Subjects
Ionization; Lead; Germanium; Surface ionization; Electrodes; FísicaNote
The following article appeared in Applied Physics Letters 103.16 (2013): 164105 and may be found at http://scitation.aip.org/content/aip/journal/apl/100/26/10.1063/1.4729825Rights
© 2013 AIP Publishing LLC.Abstract
The SuperCDMS experiment in the Soudan Underground Laboratory searches for dark matter with a 9-kg array of cryogenic germanium detectors. Symmetric sensors on opposite sides measure both charge and phonons from each particle interaction, providing excellent discrimination between electron and nuclear recoils, and between surface and interior events. Surface event rejection capabilities were tested with two 210 Pb sources producing ∼130 beta decays/hr. In ∼800 live hours, no events leaked into the 8–115 keV signal region, giving upper limit leakage fraction 1.7 × 10−5 at 90% C.L., corresponding to < 0.6 surface event background in the future 200-kg SuperCDMS SNOLAB experiment.
Files in this item
Google Scholar:Agnése, R.
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Anderson, Adam J.
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Balakishiyeva, Durdana N.
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Basu Thakur, R.
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Bauer, Daniel A.
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Borgland, AW W.
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Brandt, Daniel E.
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Brink, Paul L.
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Bunker, Robert L.
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Cabrera, Blas
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Całdwell, David O.
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Cerdeño, David G.
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Chagani, Hassan
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Cherry, Matthew R.
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Cooley, Jodi A.
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Cornell, Bradford
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Crewdson, Chase H.
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Cushman, Priscilla B.
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Daal, Miguel
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Di Stéfano, Philippe C F
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Do Couto E Silva, Eduardo
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Doughty, T.
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Esteban, L.
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Fallows, S.
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Figueroa-Feliciano, Enectalí
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Fox, Jake R.
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Fritts, M. C.
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Godfrey, Gary L.
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Golwala, Sunil R.
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Hall, Jeter C.
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Harris, Harlan Rusty
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Hasi, Jasmine
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Hertel, Scott A.
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Hines, Bruce A.
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Hofer, T.
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Holmgren, Donald J.
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Hsu, L.
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Huber, Martin E.
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Jastram, A.
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Kamaev, Oleg
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Kara, B.
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Kelsey, Michael H.
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Kenany, S. A.
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Kennedy, A.
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Kenney, Christopher J.
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Kiveni, M.
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Koch, Katrin
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Loer, Ben
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Lopez Asamar, E.
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Mahapatra, Rupak
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Mandic, Vuk
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Martínez, César
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McCarthy, Kevin A.
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Mirabolfathi, N.
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Moffatt, R. A.
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Moore, David C.
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Nadeau, P.
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Nelson, Robert H.
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Novák, Libor
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Page, Katharine
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Partridge, Richard A.
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Pépin, Marc P.
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Phipps, Alex T J
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Prasad, Karthik Ganeshwar
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Pyle, M. C.
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Qiu, H.
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Radpour, R.
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Rau, Wolfgang
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Redl, Peter
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Reisetter, A.
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Resch, R. W.
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Ricci, Y.
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Saab, Tarek
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Sadoulet, Bernard
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Sander, Jonathan S.
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Schmitt, Richard L.
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Schneck, K.
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Schnee, Richard W.
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Scorza, Silvia
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Seitz, Dennis N.
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Serfass, Bruno
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Shank, B.
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Speller, D.
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Tomada, Astrid
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Villano, A. N.
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Welliver, B.
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Wright, Dennis H.
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Yellin, Steven J.
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Yen, Jeffrey J.
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Young, Betty
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Zhang, J.
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