doi: 10.1103/PhysRevLett.118.251302.
Epub 2017 Jun 23.
Limits on Spin-Dependent WIMP-Nucleon Cross Section Obtained from the Complete LUX Exposure
D S Akerib
1
2
3
, S Alsum
4
, H M Araújo
5
, X Bai
6
, A J Bailey
5
, J Balajthy
7
, P Beltrame
8
, E P Bernard
9
10
, A Bernstein
11
, T P Biesiadzinski
1
2
3
, E M Boulton
9
10
12
, P Brás
13
, D Byram
14
15
, S B Cahn
10
, M C Carmona-Benitez
16
17
, C Chan
18
, A A Chiller
14
, C Chiller
14
, A Currie
5
, J E Cutter
19
, T J R Davison
8
, A Dobi
12
, J E Y Dobson
20
, E Druszkiewicz
21
, B N Edwards
10
, C H Faham
12
, S R Fallon
22
, S Fiorucci
12
18
, R J Gaitskell
18
, V M Gehman
12
, C Ghag
20
, M G D Gilchriese
12
, C R Hall
7
, M Hanhardt
6
15
, S J Haselschwardt
17
, S A Hertel
10
12
23
, D P Hogan
9
, M Horn
9
10
15
, D Q Huang
18
, C M Ignarra
2
3
, R G Jacobsen
9
, W Ji
1
2
3
, K Kamdin
9
, K Kazkaz
11
, D Khaitan
21
, R Knoche
7
, N A Larsen
10
, C Lee
1
2
3
, B G Lenardo
11
19
, K T Lesko
12
, A Lindote
13
, M I Lopes
13
, A Manalaysay
19
, R L Mannino
24
, M F Marzioni
8
, D N McKinsey
9
10
12
, D-M Mei
14
, J Mock
22
, M Moongweluwan
21
, J A Morad
19
, A St J Murphy
8
, C Nehrkorn
17
, H N Nelson
17
, F Neves
13
, K O'Sullivan
9
10
12
, K C Oliver-Mallory
9
, K J Palladino
2
3
4
, E K Pease
9
10
12
, L Reichhart
20
, C Rhyne
18
, S Shaw
17
20
, T A Shutt
1
3
, C Silva
13
, M Solmaz
17
, V N Solovov
13
, P Sorensen
12
, S Stephenson
19
, T J Sumner
5
, M Szydagis
22
, D J Taylor
15
, W C Taylor
18
, B P Tennyson
10
, P A Terman
24
, D R Tiedt
6
, W H To
1
2
3
25
, M Tripathi
19
, L Tvrznikova
9
10
12
, S Uvarov
19
, V Velan
9
, J R Verbus
18
, R C Webb
24
, J T White
24
, T J Whitis
1
2
3
, M S Witherell
12
, F L H Wolfs
21
, J Xu
11
, K Yazdani
5
, S K Young
22
, C Zhang
14
; LUX Collaboration
Affiliations
Affiliations
- 1 Case Western Reserve University, Department of Physics, 10900 Euclid Avenue, Cleveland, Ohio 44106, USA.
- 2 SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94205, USA.
- 3 Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, 452 Lomita Mall, Stanford, California 94309, USA.
- 4 University of Wisconsin-Madison, Department of Physics, 1150 University Avenue, Madison, Wisconsin 53706, USA.
- 5 Imperial College London, High Energy Physics, Blackett Laboratory, London SW7 2BZ, United Kingdom.
- 6 South Dakota School of Mines and Technology, 501 East St. Joseph Street, Rapid City, South Dakota 57701, USA.
- 7 University of Maryland, Department of Physics, College Park, Maryland 20742, USA.
- 8 SUPA, School of Physics and Astronomy, University of Edinburgh, Edinburgh EH9 3FD, United Kingdom.
- 9 University of California Berkeley, Department of Physics, Berkeley, California 94720, USA.
- 10 Yale University, Department of Physics, 217 Prospect Street, New Haven, Connecticut 06511, USA.
- 11 Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94551, USA.
- 12 Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720, USA.
- 13 LIP-Coimbra, Department of Physics, University of Coimbra, Rua Larga, 3004-516 Coimbra, Portugal.
- 14 University of South Dakota, Department of Physics, 414E Clark Street, Vermillion, South Dakota 57069, USA.
- 15 South Dakota Science and Technology Authority, Sanford Underground Research Facility, Lead, South Dakota 57754, USA.
- 16 Pennsylvania State University, Department of Physics, 104 Davey Lab, University Park, Pennsylvania 16802-6300, USA.
- 17 University of California Santa Barbara, Department of Physics, Santa Barbara, California 93106, USA.
- 18 Brown University, Department of Physics, 182 Hope Street, Providence, Rhode Island 02912, USA.
- 19 University of California Davis, Department of Physics, One Shields Avenue, Davis, California 95616, USA.
- 20 Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, United Kingdom.
- 21 University of Rochester, Department of Physics and Astronomy, Rochester, New York 14627, USA.
- 22 University at Albany, State University of New York, Department of Physics, 1400 Washington Avenue, Albany, New York 12222, USA.
- 23 University of Massachusetts, Department of Physics, Amherst, Massachusetts 01003-9337, USA.
- 24 Texas A&M University, Department of Physics, College Station, Texas 77843, USA.
- 25 California State University Stanislaus, Department of Physics, 1 University Circle, Turlock, California 95382, USA.
- PMID: 28696768
- DOI: 10.1103/PhysRevLett.118.251302
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Limits on Spin-Dependent WIMP-Nucleon Cross Section Obtained from the Complete LUX Exposure
D S Akerib et al.
Phys Rev Lett.
.
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doi: 10.1103/PhysRevLett.118.251302.
Epub 2017 Jun 23.
Authors
D S Akerib
1
2
3
, S Alsum
4
, H M Araújo
5
, X Bai
6
, A J Bailey
5
, J Balajthy
7
, P Beltrame
8
, E P Bernard
9
10
, A Bernstein
11
, T P Biesiadzinski
1
2
3
, E M Boulton
9
10
12
, P Brás
13
, D Byram
14
15
, S B Cahn
10
, M C Carmona-Benitez
16
17
, C Chan
18
, A A Chiller
14
, C Chiller
14
, A Currie
5
, J E Cutter
19
, T J R Davison
8
, A Dobi
12
, J E Y Dobson
20
, E Druszkiewicz
21
, B N Edwards
10
, C H Faham
12
, S R Fallon
22
, S Fiorucci
12
18
, R J Gaitskell
18
, V M Gehman
12
, C Ghag
20
, M G D Gilchriese
12
, C R Hall
7
, M Hanhardt
6
15
, S J Haselschwardt
17
, S A Hertel
10
12
23
, D P Hogan
9
, M Horn
9
10
15
, D Q Huang
18
, C M Ignarra
2
3
, R G Jacobsen
9
, W Ji
1
2
3
, K Kamdin
9
, K Kazkaz
11
, D Khaitan
21
, R Knoche
7
, N A Larsen
10
, C Lee
1
2
3
, B G Lenardo
11
19
, K T Lesko
12
, A Lindote
13
, M I Lopes
13
, A Manalaysay
19
, R L Mannino
24
, M F Marzioni
8
, D N McKinsey
9
10
12
, D-M Mei
14
, J Mock
22
, M Moongweluwan
21
, J A Morad
19
, A St J Murphy
8
, C Nehrkorn
17
, H N Nelson
17
, F Neves
13
, K O'Sullivan
9
10
12
, K C Oliver-Mallory
9
, K J Palladino
2
3
4
, E K Pease
9
10
12
, L Reichhart
20
, C Rhyne
18
, S Shaw
17
20
, T A Shutt
1
3
, C Silva
13
, M Solmaz
17
, V N Solovov
13
, P Sorensen
12
, S Stephenson
19
, T J Sumner
5
, M Szydagis
22
, D J Taylor
15
, W C Taylor
18
, B P Tennyson
10
, P A Terman
24
, D R Tiedt
6
, W H To
1
2
3
25
, M Tripathi
19
, L Tvrznikova
9
10
12
, S Uvarov
19
, V Velan
9
, J R Verbus
18
, R C Webb
24
, J T White
24
, T J Whitis
1
2
3
, M S Witherell
12
, F L H Wolfs
21
, J Xu
11
, K Yazdani
5
, S K Young
22
, C Zhang
14
; LUX Collaboration
Affiliations
- 1 Case Western Reserve University, Department of Physics, 10900 Euclid Avenue, Cleveland, Ohio 44106, USA.
- 2 SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94205, USA.
- 3 Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, 452 Lomita Mall, Stanford, California 94309, USA.
- 4 University of Wisconsin-Madison, Department of Physics, 1150 University Avenue, Madison, Wisconsin 53706, USA.
- 5 Imperial College London, High Energy Physics, Blackett Laboratory, London SW7 2BZ, United Kingdom.
- 6 South Dakota School of Mines and Technology, 501 East St. Joseph Street, Rapid City, South Dakota 57701, USA.
- 7 University of Maryland, Department of Physics, College Park, Maryland 20742, USA.
- 8 SUPA, School of Physics and Astronomy, University of Edinburgh, Edinburgh EH9 3FD, United Kingdom.
- 9 University of California Berkeley, Department of Physics, Berkeley, California 94720, USA.
- 10 Yale University, Department of Physics, 217 Prospect Street, New Haven, Connecticut 06511, USA.
- 11 Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94551, USA.
- 12 Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720, USA.
- 13 LIP-Coimbra, Department of Physics, University of Coimbra, Rua Larga, 3004-516 Coimbra, Portugal.
- 14 University of South Dakota, Department of Physics, 414E Clark Street, Vermillion, South Dakota 57069, USA.
- 15 South Dakota Science and Technology Authority, Sanford Underground Research Facility, Lead, South Dakota 57754, USA.
- 16 Pennsylvania State University, Department of Physics, 104 Davey Lab, University Park, Pennsylvania 16802-6300, USA.
- 17 University of California Santa Barbara, Department of Physics, Santa Barbara, California 93106, USA.
- 18 Brown University, Department of Physics, 182 Hope Street, Providence, Rhode Island 02912, USA.
- 19 University of California Davis, Department of Physics, One Shields Avenue, Davis, California 95616, USA.
- 20 Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, United Kingdom.
- 21 University of Rochester, Department of Physics and Astronomy, Rochester, New York 14627, USA.
- 22 University at Albany, State University of New York, Department of Physics, 1400 Washington Avenue, Albany, New York 12222, USA.
- 23 University of Massachusetts, Department of Physics, Amherst, Massachusetts 01003-9337, USA.
- 24 Texas A&M University, Department of Physics, College Station, Texas 77843, USA.
- 25 California State University Stanislaus, Department of Physics, 1 University Circle, Turlock, California 95382, USA.
- PMID: 28696768
- DOI: 10.1103/PhysRevLett.118.251302
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Abstract
We present experimental constraints on the spin-dependent WIMP-nucleon elastic cross sections from the total 129.5 kg yr exposure acquired by the Large Underground Xenon experiment (LUX), operating at the Sanford Underground Research Facility in Lead, South Dakota (USA). A profile likelihood ratio analysis allows 90% C.L. upper limits to be set on the WIMP-neutron (WIMP-proton) cross section of σ_{n}=1.6×10^{-41} cm^{2} (σ_{p}=5×10^{-40} cm^{2}) at 35 GeV c^{-2}, almost a sixfold improvement over the previous LUX spin-dependent results. The spin-dependent WIMP-neutron limit is the most sensitive constraint to date.
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