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Alkhatib I, Amaral DWP, Aralis T, Aramaki T, Arnquist IJ, Ataee Langroudy I, Azadbakht E, Banik S, Barker D, Bathurst C, Bauer DA, Bezerra LVS, Bhattacharyya R, Bowles MA, Brink PL, Bunker R, Cabrera B, Calkins R, Cameron RA, Cartaro C, Cerdeño DG, Chang YY, Chaudhuri M, Chen R, Chott N, Cooley J, Coombes H, Corbett J, Cushman P, De Brienne F, di Vacri ML, Diamond MD, Fascione E, Figueroa-Feliciano E, Fink CW, Fouts K, Fritts M, Gerbier G, Germond R, Ghaith M, Golwala SR, Harris HR, Hines BA, Hollister MI, Hong Z, Hoppe EW, Hsu L, Huber ME, Iyer V, Jardin D, Jastram A, Kashyap VKS, Kelsey MH, Kubik A, Kurinsky NA, Lawrence RE, Li A, Loer B, Lopez Asamar E, Lukens P, MacFarlane DB, Mahapatra R, Mandic V, Mast N, Mayer AJ, Meyer Zu Theenhausen H, Michaud ÉM, Michielin E, Mirabolfathi N, Mohanty B, Morales Mendoza JD, Nagorny S, Nelson J, Neog H, Novati V, Orrell JL, Oser SM, Page WA, Partridge R, Podviianiuk R, Ponce F, Poudel S, Pradeep A, Pyle M, Rau W, Reid E, Ren R, Reynolds T, Roberts A, Robinson AE, Saab T, Sadoulet B, Sander J, Sattari A, Schnee RW, Scorza S, Serfass B, Sincavage DJ, Stanford C, Street J, Toback D, Underwood R, Verma S, Villano AN, von Krosigk B, Watkins SL, Wilson JS, Wilson MJ, Winchell J, Wright DH, Yellin S, Young BA, Yu TC, Zhang E, Zhang HG, Zhao X, Zheng L. Constraints on Lightly Ionizing Particles from CDMSlite. Phys Rev Lett 2021; 127:081802. [PMID: 34477436 DOI: 10.1103/physrevlett.127.081802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 06/11/2021] [Accepted: 07/27/2021] [Indexed: 06/13/2023]
Abstract
The Cryogenic Dark Matter Search low ionization threshold experiment (CDMSlite) achieved efficient detection of very small recoil energies in its germanium target, resulting in sensitivity to lightly ionizing particles (LIPs) in a previously unexplored region of charge, mass, and velocity parameter space. We report first direct-detection limits calculated using the optimum interval method on the vertical intensity of cosmogenically produced LIPs with an electric charge smaller than e/(3×10^{5}), as well as the strongest limits for charge ≤e/160, with a minimum vertical intensity of 1.36×10^{-7} cm^{-2} s^{-1} sr^{-1} at charge e/160. These results apply over a wide range of LIP masses (5 MeV/c^{2} to 100 TeV/c^{2}) and cover a wide range of βγ values (0.1-10^{6}), thus excluding nonrelativistic LIPs with βγ as small as 0.1 for the first time.
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Affiliation(s)
- I Alkhatib
- Department of Physics, University of Toronto, Toronto, Ontario M5S 1A7, Canada
| | - D W P Amaral
- Department of Physics, Durham University, Durham DH1 3LE, United Kingdom
| | - T Aralis
- Division of Physics, Mathematics, & Astronomy, California Institute of Technology, Pasadena, California 91125, USA
| | - T Aramaki
- SLAC National Accelerator Laboratory/Kavli Institute for Particle Astrophysics and Cosmology, Menlo Park, California 94025, USA
| | - I J Arnquist
- Pacific Northwest National Laboratory, Richland, Washington, D.C. 99352, USA
| | - I Ataee Langroudy
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - E Azadbakht
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - S Banik
- School of Physical Sciences, National Institute of Science Education and Research, HBNI, Jatni-752050, India
| | - D Barker
- School of Physics & Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA
| | - C Bathurst
- Department of Physics, University of Florida, Gainesville, Florida 32611, USA
| | - D A Bauer
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - L V S Bezerra
- Department of Physics & Astronomy, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
- TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
| | - R Bhattacharyya
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - M A Bowles
- Department of Physics, South Dakota School of Mines and Technology, Rapid City, South Dakota 57701, USA
| | - P L Brink
- SLAC National Accelerator Laboratory/Kavli Institute for Particle Astrophysics and Cosmology, Menlo Park, California 94025, USA
| | - R Bunker
- Pacific Northwest National Laboratory, Richland, Washington, D.C. 99352, USA
| | - B Cabrera
- Department of Physics, Stanford University, Stanford, California 94305, USA
| | - R Calkins
- Department of Physics, Southern Methodist University, Dallas, Texas 75275, USA
| | - R A Cameron
- SLAC National Accelerator Laboratory/Kavli Institute for Particle Astrophysics and Cosmology, Menlo Park, California 94025, USA
| | - C Cartaro
- SLAC National Accelerator Laboratory/Kavli Institute for Particle Astrophysics and Cosmology, Menlo Park, California 94025, USA
| | - D G Cerdeño
- Department of Physics, Durham University, Durham DH1 3LE, United Kingdom
- Instituto de Física Teórica UAM/CSIC, Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - Y-Y Chang
- Division of Physics, Mathematics, & Astronomy, California Institute of Technology, Pasadena, California 91125, USA
| | - M Chaudhuri
- School of Physical Sciences, National Institute of Science Education and Research, HBNI, Jatni-752050, India
| | - R Chen
- Department of Physics & Astronomy, Northwestern University, Evanston, Illinois 60208-3112, USA
| | - N Chott
- Department of Physics, South Dakota School of Mines and Technology, Rapid City, South Dakota 57701, USA
| | - J Cooley
- Department of Physics, Southern Methodist University, Dallas, Texas 75275, USA
| | - H Coombes
- Department of Physics, University of Florida, Gainesville, Florida 32611, USA
| | - J Corbett
- Department of Physics, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - P Cushman
- School of Physics & Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA
| | - F De Brienne
- Département de Physique, Université de Montréal, Montréal, Quebec H3C 3J7, Canada
| | - M L di Vacri
- Pacific Northwest National Laboratory, Richland, Washington, D.C. 99352, USA
| | - M D Diamond
- Department of Physics, University of Toronto, Toronto, Ontario M5S 1A7, Canada
| | - E Fascione
- TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
- Department of Physics, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - E Figueroa-Feliciano
- Department of Physics & Astronomy, Northwestern University, Evanston, Illinois 60208-3112, USA
| | - C W Fink
- Department of Physics, University of California, Berkeley, California 94720, USA
| | - K Fouts
- SLAC National Accelerator Laboratory/Kavli Institute for Particle Astrophysics and Cosmology, Menlo Park, California 94025, USA
| | - M Fritts
- School of Physics & Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA
| | - G Gerbier
- Department of Physics, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - R Germond
- TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
- Department of Physics, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - M Ghaith
- Department of Physics, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - S R Golwala
- Division of Physics, Mathematics, & Astronomy, California Institute of Technology, Pasadena, California 91125, USA
| | - H R Harris
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
- Department of Electrical and Computer Engineering, Texas A&M University, College Station, Texas 77843, USA
| | - B A Hines
- Department of Physics, University of Colorado Denver, Denver, Colorado 80217, USA
| | - M I Hollister
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - Z Hong
- Department of Physics & Astronomy, Northwestern University, Evanston, Illinois 60208-3112, USA
| | - E W Hoppe
- Pacific Northwest National Laboratory, Richland, Washington, D.C. 99352, USA
| | - L Hsu
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - M E Huber
- Department of Physics, University of Colorado Denver, Denver, Colorado 80217, USA
- Department of Electrical Engineering, University of Colorado Denver, Denver, Colorado 80217, USA
| | - V Iyer
- School of Physical Sciences, National Institute of Science Education and Research, HBNI, Jatni-752050, India
| | - D Jardin
- Department of Physics, Southern Methodist University, Dallas, Texas 75275, USA
| | - A Jastram
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - V K S Kashyap
- School of Physical Sciences, National Institute of Science Education and Research, HBNI, Jatni-752050, India
| | - M H Kelsey
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - A Kubik
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - N A Kurinsky
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - R E Lawrence
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - A Li
- Department of Physics & Astronomy, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
- TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
| | - B Loer
- Pacific Northwest National Laboratory, Richland, Washington, D.C. 99352, USA
| | - E Lopez Asamar
- Department of Physics, Durham University, Durham DH1 3LE, United Kingdom
| | - P Lukens
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - D B MacFarlane
- SLAC National Accelerator Laboratory/Kavli Institute for Particle Astrophysics and Cosmology, Menlo Park, California 94025, USA
| | - R Mahapatra
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - V Mandic
- School of Physics & Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA
| | - N Mast
- School of Physics & Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA
| | - A J Mayer
- TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
| | | | - É M Michaud
- Département de Physique, Université de Montréal, Montréal, Quebec H3C 3J7, Canada
| | - E Michielin
- Department of Physics & Astronomy, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
- TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
| | - N Mirabolfathi
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - B Mohanty
- School of Physical Sciences, National Institute of Science Education and Research, HBNI, Jatni-752050, India
| | - J D Morales Mendoza
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - S Nagorny
- Department of Physics, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - J Nelson
- School of Physics & Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA
| | - H Neog
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - V Novati
- Department of Physics & Astronomy, Northwestern University, Evanston, Illinois 60208-3112, USA
| | - J L Orrell
- Pacific Northwest National Laboratory, Richland, Washington, D.C. 99352, USA
| | - S M Oser
- Department of Physics & Astronomy, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
- TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
| | - W A Page
- Department of Physics, University of California, Berkeley, California 94720, USA
| | - R Partridge
- SLAC National Accelerator Laboratory/Kavli Institute for Particle Astrophysics and Cosmology, Menlo Park, California 94025, USA
| | - R Podviianiuk
- Department of Physics, University of South Dakota, Vermillion, South Dakota 57069, USA
| | - F Ponce
- Department of Physics, Stanford University, Stanford, California 94305, USA
| | - S Poudel
- Department of Physics, University of South Dakota, Vermillion, South Dakota 57069, USA
| | - A Pradeep
- Department of Physics & Astronomy, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
- TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
| | - M Pyle
- Department of Physics, University of California, Berkeley, California 94720, USA
| | - W Rau
- TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
| | - E Reid
- Department of Physics, Durham University, Durham DH1 3LE, United Kingdom
| | - R Ren
- Department of Physics & Astronomy, Northwestern University, Evanston, Illinois 60208-3112, USA
| | - T Reynolds
- Department of Physics, University of Florida, Gainesville, Florida 32611, USA
| | - A Roberts
- Department of Physics, University of Colorado Denver, Denver, Colorado 80217, USA
| | - A E Robinson
- Département de Physique, Université de Montréal, Montréal, Quebec H3C 3J7, Canada
| | - T Saab
- Department of Physics, University of Florida, Gainesville, Florida 32611, USA
| | - B Sadoulet
- Department of Physics, University of California, Berkeley, California 94720, USA
- Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - J Sander
- Department of Physics, University of South Dakota, Vermillion, South Dakota 57069, USA
| | - A Sattari
- Department of Physics, University of Toronto, Toronto, Ontario M5S 1A7, Canada
| | - R W Schnee
- Department of Physics, South Dakota School of Mines and Technology, Rapid City, South Dakota 57701, USA
| | - S Scorza
- SNOLAB, Creighton Mine #9, 1039 Regional Road 24, Sudbury, Ontario P3Y 1N2, Canada
- Laurentian University, Department of Physics, 935 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada
| | - B Serfass
- Department of Physics, University of California, Berkeley, California 94720, USA
| | - D J Sincavage
- School of Physics & Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA
| | - C Stanford
- Department of Physics, Stanford University, Stanford, California 94305, USA
| | - J Street
- Department of Physics, South Dakota School of Mines and Technology, Rapid City, South Dakota 57701, USA
| | - D Toback
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - R Underwood
- TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
- Department of Physics, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - S Verma
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - A N Villano
- Department of Physics, University of Colorado Denver, Denver, Colorado 80217, USA
| | - B von Krosigk
- Institut für Experimentalphysik, Universität Hamburg, 22761 Hamburg, Germany
| | - S L Watkins
- Department of Physics, University of California, Berkeley, California 94720, USA
| | - J S Wilson
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - M J Wilson
- Department of Physics, University of Toronto, Toronto, Ontario M5S 1A7, Canada
- Institut für Experimentalphysik, Universität Hamburg, 22761 Hamburg, Germany
| | - J Winchell
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - D H Wright
- SLAC National Accelerator Laboratory/Kavli Institute for Particle Astrophysics and Cosmology, Menlo Park, California 94025, USA
| | - S Yellin
- Department of Physics, Stanford University, Stanford, California 94305, USA
| | - B A Young
- Department of Physics, Santa Clara University, Santa Clara, California 95053, USA
| | - T C Yu
- SLAC National Accelerator Laboratory/Kavli Institute for Particle Astrophysics and Cosmology, Menlo Park, California 94025, USA
| | - E Zhang
- Department of Physics, University of Toronto, Toronto, Ontario M5S 1A7, Canada
| | - H G Zhang
- School of Physics & Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA
| | - X Zhao
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - L Zheng
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
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Alkhatib I, Amaral DWP, Aralis T, Aramaki T, Arnquist IJ, Ataee Langroudy I, Azadbakht E, Banik S, Barker D, Bathurst C, Bauer DA, Bezerra LVS, Bhattacharyya R, Binder T, Bowles MA, Brink PL, Bunker R, Cabrera B, Calkins R, Cameron RA, Cartaro C, Cerdeño DG, Chang YY, Chaudhuri M, Chen R, Chott N, Cooley J, Coombes H, Corbett J, Cushman P, De Brienne F, di Vacri ML, Diamond MD, Fascione E, Figueroa-Feliciano E, Fink CW, Fouts K, Fritts M, Gerbier G, Germond R, Ghaith M, Golwala SR, Harris HR, Herbert N, Hines BA, Hollister MI, Hong Z, Hoppe EW, Hsu L, Huber ME, Iyer V, Jardin D, Jastram A, Kashyap VKS, Kelsey MH, Kubik A, Kurinsky NA, Lawrence RE, Li A, Loer B, Lopez Asamar E, Lukens P, MacDonell D, MacFarlane DB, Mahapatra R, Mandic V, Mast N, Mayer AJ, Meyer Zu Theenhausen H, Michaud ÉM, Michielin E, Mirabolfathi N, Mohanty B, Morales Mendoza JD, Nagorny S, Nelson J, Neog H, Novati V, Orrell JL, Oser SM, Page WA, Pakarha P, Partridge R, Podviianiuk R, Ponce F, Poudel S, Pyle M, Rau W, Reid E, Ren R, Reynolds T, Roberts A, Robinson AE, Saab T, Sadoulet B, Sander J, Sattari A, Schnee RW, Scorza S, Serfass B, Sincavage DJ, Stanford C, Street J, Toback D, Underwood R, Verma S, Villano AN, von Krosigk B, Watkins SL, Wills L, Wilson JS, Wilson MJ, Winchell J, Wright DH, Yellin S, Young BA, Yu TC, Zhang E, Zhang HG, Zhao X, Zheng L, Camilleri J, Kolomensky YG, Zuber S. Light Dark Matter Search with a High-Resolution Athermal Phonon Detector Operated above Ground. Phys Rev Lett 2021; 127:061801. [PMID: 34420312 DOI: 10.1103/physrevlett.127.061801] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 05/06/2021] [Accepted: 07/08/2021] [Indexed: 06/13/2023]
Abstract
We present limits on spin-independent dark matter-nucleon interactions using a 10.6 g Si athermal phonon detector with a baseline energy resolution of σ_{E}=3.86±0.04(stat)_{-0.00}^{+0.19}(syst) eV. This exclusion analysis sets the most stringent dark matter-nucleon scattering cross-section limits achieved by a cryogenic detector for dark matter particle masses from 93 to 140 MeV/c^{2}, with a raw exposure of 9.9 g d acquired at an above-ground facility. This work illustrates the scientific potential of detectors with athermal phonon sensors with eV-scale energy resolution for future dark matter searches.
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Affiliation(s)
- I Alkhatib
- Department of Physics, University of Toronto, Toronto, Ontario M5S 1A7, Canada
| | - D W P Amaral
- Department of Physics, Durham University, Durham DH1 3LE, United Kingdom
| | - T Aralis
- Division of Physics, Mathematics, & Astronomy, California Institute of Technology, Pasadena, California 91125, USA
| | - T Aramaki
- SLAC National Accelerator Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Menlo Park, California 94025, USA
| | - I J Arnquist
- Pacific Northwest National Laboratory, Richland, Washington 99352, USA
| | - I Ataee Langroudy
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - E Azadbakht
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - S Banik
- School of Physical Sciences, National Institute of Science Education and Research, HBNI, Jatni-752050, India
| | - D Barker
- School of Physics & Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA
| | - C Bathurst
- Department of Physics, University of Florida, Gainesville, Florida 32611, USA
| | - D A Bauer
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - L V S Bezerra
- Department of Physics & Astronomy, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
- TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
| | - R Bhattacharyya
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - T Binder
- Department of Physics, University of South Dakota, Vermillion, South Dakota 57069, USA
| | - M A Bowles
- Department of Physics, South Dakota School of Mines and Technology, Rapid City, South Dakota 57701, USA
| | - P L Brink
- SLAC National Accelerator Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Menlo Park, California 94025, USA
| | - R Bunker
- Pacific Northwest National Laboratory, Richland, Washington 99352, USA
| | - B Cabrera
- Department of Physics, Stanford University, Stanford, California 94305, USA
| | - R Calkins
- Department of Physics, Southern Methodist University, Dallas, Texas 75275, USA
| | - R A Cameron
- SLAC National Accelerator Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Menlo Park, California 94025, USA
| | - C Cartaro
- SLAC National Accelerator Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Menlo Park, California 94025, USA
| | - D G Cerdeño
- Department of Physics, Durham University, Durham DH1 3LE, United Kingdom
- Instituto de Física Teórica UAM/CSIC, Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - Y-Y Chang
- Division of Physics, Mathematics, & Astronomy, California Institute of Technology, Pasadena, California 91125, USA
| | - M Chaudhuri
- School of Physical Sciences, National Institute of Science Education and Research, HBNI, Jatni-752050, India
| | - R Chen
- Department of Physics & Astronomy, Northwestern University, Evanston, Illinois 60208-3112, USA
| | - N Chott
- Department of Physics, South Dakota School of Mines and Technology, Rapid City, South Dakota 57701, USA
| | - J Cooley
- Department of Physics, Southern Methodist University, Dallas, Texas 75275, USA
| | - H Coombes
- Department of Physics, University of Florida, Gainesville, Florida 32611, USA
| | - J Corbett
- Department of Physics, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - P Cushman
- School of Physics & Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA
| | - F De Brienne
- Département de Physique, Université de Montréal, Montréal, Quebec H3C 3J7, Canada
| | - M L di Vacri
- Pacific Northwest National Laboratory, Richland, Washington 99352, USA
| | - M D Diamond
- Department of Physics, University of Toronto, Toronto, Ontario M5S 1A7, Canada
| | - E Fascione
- TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
- Department of Physics, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - E Figueroa-Feliciano
- Department of Physics & Astronomy, Northwestern University, Evanston, Illinois 60208-3112, USA
| | - C W Fink
- Department of Physics, University of California, Berkeley, California 94720, USA
| | - K Fouts
- SLAC National Accelerator Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Menlo Park, California 94025, USA
| | - M Fritts
- School of Physics & Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA
| | - G Gerbier
- Department of Physics, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - R Germond
- TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
- Department of Physics, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - M Ghaith
- Department of Physics, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - S R Golwala
- Division of Physics, Mathematics, & Astronomy, California Institute of Technology, Pasadena, California 91125, USA
| | - H R Harris
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
- Department of Electrical and Computer Engineering, Texas A&M University, College Station, Texas 77843, USA
| | - N Herbert
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - B A Hines
- Department of Physics, University of Colorado Denver, Denver, Colorado 80217, USA
| | - M I Hollister
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - Z Hong
- Department of Physics & Astronomy, Northwestern University, Evanston, Illinois 60208-3112, USA
| | - E W Hoppe
- Pacific Northwest National Laboratory, Richland, Washington 99352, USA
| | - L Hsu
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - M E Huber
- Department of Physics, University of Colorado Denver, Denver, Colorado 80217, USA
- Department of Electrical Engineering, University of Colorado Denver, Denver, Colorado 80217, USA
| | - V Iyer
- School of Physical Sciences, National Institute of Science Education and Research, HBNI, Jatni-752050, India
| | - D Jardin
- Department of Physics, Southern Methodist University, Dallas, Texas 75275, USA
| | - A Jastram
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - V K S Kashyap
- School of Physical Sciences, National Institute of Science Education and Research, HBNI, Jatni-752050, India
| | - M H Kelsey
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - A Kubik
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - N A Kurinsky
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - R E Lawrence
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - A Li
- Department of Physics & Astronomy, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
- TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
| | - B Loer
- Pacific Northwest National Laboratory, Richland, Washington 99352, USA
| | - E Lopez Asamar
- Department of Physics, Durham University, Durham DH1 3LE, United Kingdom
| | - P Lukens
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - D MacDonell
- Department of Physics & Astronomy, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
- TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
| | - D B MacFarlane
- SLAC National Accelerator Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Menlo Park, California 94025, USA
| | - R Mahapatra
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - V Mandic
- School of Physics & Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA
| | - N Mast
- School of Physics & Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA
| | - A J Mayer
- TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
| | | | - É M Michaud
- Département de Physique, Université de Montréal, Montréal, Quebec H3C 3J7, Canada
| | - E Michielin
- Department of Physics & Astronomy, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
- TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
| | - N Mirabolfathi
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - B Mohanty
- School of Physical Sciences, National Institute of Science Education and Research, HBNI, Jatni-752050, India
| | - J D Morales Mendoza
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - S Nagorny
- Department of Physics, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - J Nelson
- School of Physics & Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA
| | - H Neog
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - V Novati
- Pacific Northwest National Laboratory, Richland, Washington 99352, USA
| | - J L Orrell
- Pacific Northwest National Laboratory, Richland, Washington 99352, USA
| | - S M Oser
- Department of Physics & Astronomy, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
- TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
| | - W A Page
- Department of Physics, University of California, Berkeley, California 94720, USA
| | - P Pakarha
- Department of Physics, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - R Partridge
- SLAC National Accelerator Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Menlo Park, California 94025, USA
| | - R Podviianiuk
- Department of Physics, University of South Dakota, Vermillion, South Dakota 57069, USA
| | - F Ponce
- Department of Physics, Stanford University, Stanford, California 94305, USA
| | - S Poudel
- Department of Physics, University of South Dakota, Vermillion, South Dakota 57069, USA
| | - M Pyle
- Department of Physics, University of California, Berkeley, California 94720, USA
| | - W Rau
- TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
| | - E Reid
- Department of Physics, Durham University, Durham DH1 3LE, United Kingdom
| | - R Ren
- Department of Physics & Astronomy, Northwestern University, Evanston, Illinois 60208-3112, USA
| | - T Reynolds
- Department of Physics, University of Florida, Gainesville, Florida 32611, USA
| | - A Roberts
- Department of Physics, University of Colorado Denver, Denver, Colorado 80217, USA
| | - A E Robinson
- Département de Physique, Université de Montréal, Montréal, Quebec H3C 3J7, Canada
| | - T Saab
- Department of Physics, University of Florida, Gainesville, Florida 32611, USA
| | - B Sadoulet
- Department of Physics, University of California, Berkeley, California 94720, USA
- Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - J Sander
- Department of Physics, University of South Dakota, Vermillion, South Dakota 57069, USA
| | - A Sattari
- Department of Physics, University of Toronto, Toronto, Ontario M5S 1A7, Canada
| | - R W Schnee
- Department of Physics, South Dakota School of Mines and Technology, Rapid City, South Dakota 57701, USA
| | - S Scorza
- SNOLAB, Creighton Mine #9, 1039 Regional Road 24, Sudbury, Ontario P3Y 1N2, Canada
| | - B Serfass
- Department of Physics, University of California, Berkeley, California 94720, USA
| | - D J Sincavage
- School of Physics & Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA
| | - C Stanford
- Department of Physics, Stanford University, Stanford, California 94305, USA
| | - J Street
- Department of Physics, South Dakota School of Mines and Technology, Rapid City, South Dakota 57701, USA
| | - D Toback
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - R Underwood
- TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
- Department of Physics, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - S Verma
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - A N Villano
- Department of Physics, University of Colorado Denver, Denver, Colorado 80217, USA
| | - B von Krosigk
- Institut für Experimentalphysik, Universität Hamburg, 22761 Hamburg, Germany
| | - S L Watkins
- Department of Physics, University of California, Berkeley, California 94720, USA
| | - L Wills
- Département de Physique, Université de Montréal, Montréal, Quebec H3C 3J7, Canada
| | - J S Wilson
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - M J Wilson
- Department of Physics, University of Toronto, Toronto, Ontario M5S 1A7, Canada
- Institut für Experimentalphysik, Universität Hamburg, 22761 Hamburg, Germany
| | - J Winchell
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - D H Wright
- SLAC National Accelerator Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Menlo Park, California 94025, USA
| | - S Yellin
- Department of Physics, Stanford University, Stanford, California 94305, USA
| | - B A Young
- Department of Physics, Santa Clara University, Santa Clara, California 95053, USA
| | - T C Yu
- SLAC National Accelerator Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Menlo Park, California 94025, USA
| | - E Zhang
- Department of Physics, University of Toronto, Toronto, Ontario M5S 1A7, Canada
| | - H G Zhang
- School of Physics & Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA
| | - X Zhao
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - L Zheng
- Department of Physics and Astronomy, and the Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
| | - J Camilleri
- Department of Physics, University of California, Berkeley, California 94720, USA
| | - Yu G Kolomensky
- Department of Physics, University of California, Berkeley, California 94720, USA
- Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - S Zuber
- Department of Physics, University of California, Berkeley, California 94720, USA
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