Cosmogenic production of 37Ar in the context of the LUX-ZEPLIN experiment

被引：8

作者：

Aalbers, J. ^{[1
,2
]}

Akerib, D. S. ^{[1
,2
]}

Al Musalhi, A. K. ^{[3
]}

Alder, F. ^{[4
]}

Alsum, S. K. ^{[5
]}

Amarasinghe, C. S. ^{[6
]}

Ames, A. ^{[1
,2
]}

Anderson, T. J. ^{[1
,2
]}

Angelides, N. ^{[4
]}

Araujo, H. M. ^{[7
]}

Armstrong, J. E. ^{[8
]}

Arthurs, M. ^{[6
]}

Bai, X. ^{[9
]}

Baker, A. ^{[7
]}

Balajthy, J. ^{[10
]}

Balashov, S. ^{[11
]}

Bang, J. ^{[12
]}

Bargemann, J. W. ^{[13
]}

Bauer, D. ^{[7
]}

Baxter, A. ^{[14
]}

Beattie, K. ^{[15
]}

Bernard, E. P. ^{[15
,16
]}

Bhatti, A. ^{[8
]}

Biekert, A. ^{[15
,16
]}

Biesiadzinski, T. P. ^{[1
,2
]}

Birch, H. J. ^{[6
]}

Blockinger, G. M. ^{[17
]}

Bodnia, E. ^{[13
]}

Boxer, B. ^{[10
]}

Brew, C. A. J. ^{[11
]}

Bras, P. ^{[18
]}

Burdin, S. ^{[14
]}

Busenitz, J. K. ^{[19
]}

Buuck, M. ^{[1
,2
]}

Cabrita, R. ^{[18
]}

Carmona-Benitez, M. C. ^{[20
]}

Cascella, M. ^{[4
]}

Chan, C. ^{[12
]}

Chawla, A. ^{[21
]}

Chen, H. ^{[15
]}

Chott, N., I ^{[9
]}

Cole, A. ^{[15
]}

Converse, M., V ^{[22
]}

Cottle, A. ^{[3
,23
]}

Cox, G. ^{[20
]}

Creaner, O. ^{[15
,23
,36
]}

Cutter, J. E. ^{[10
]}

Dahl, C. E. ^{[23
,24
]}

David, A. ^{[4
]}

de Viveiros, L. ^{[20
]}

机构：

[1] SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA

[2] Stanford Univ, Kavli Inst Particle Astrophys & Cosmol, Stanford, CA 94305 USA

[3] Univ Oxford, Dept Phys, Oxford OX1 3RH, England

[4] Univ Coll London UCL, Dept Phys & Astron, London WCIE 6BT, England

[5] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA

[6] Univ Michigan, Randall Lab Phys, Ann Arbor, MI 48109 USA

[7] Imperial Coll London, Phys Dept, Blackett Lab, London SW7 2AZ, England

[8] Univ Maryland, Dept Phys, College Pk, MD 20742 USA

[9] South Dakota Sch Mines & Technol, Rapid City, SD 57701 USA

[10] Univ Calif Davis, Dept Phys, Davis, CA 95616 USA

[11] STFC Rutherford Appleton Lab RAL, Didcot OX11 OQX, Oxon, England

[12] Brown Univ, Dept Phys, Providence, RI 02912 USA

[13] Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA

[14] Univ Liverpool, Dept Phys, Liverpool L69 7ZE, Merseyside, England

[15] Lawrence Berkeley Natl Lab LBNL, Berkeley, CA 94720 USA

[16] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

[17] SUNY Albany, Dept Phys, Albany, NY 12222 USA

[18] Univ Coimbra, Lab Instrumentacoes & Fis Expt Particulas LIP, P-3004516 Coimbra, Portugal

[19] Univ Alabama, Dept Phys & Astron, Tuscaloosa, AL 34587 USA

[20] Penn State Univ, Dept Phys, University Pk, PA 16802 USA

[21] Univ London, Dept Phys, Royal Holloway, Egham TW20 OEX, Surrey, England

[22] Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USA

[23] Fermi Natl Accelerator Lab FNAL, Batavia, IL 60510 USA

[24] Northwestern Univ, Dept Phys & Astron, Evanston, IL 60208 USA

[25] Univ Bristol, HH Wills Phys Lab, Bristol BS8 1TL, Avon, England

[26] Brookhaven Natl Lab BNL, Upton, NY 11973 USA

[27] Univ Massachusetts, Dept Phys, Amherst, MA 01003 USA

[28] South Dakota Sci & Technol Author SDSTA, Sanford Underground Res Facil, Lead, SD 57754 USA

[29] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA

[30] Univ Sheffield, Dept Phys & Astron, Sheffield S3 7RH, S Yorkshire, England

[31] Univ Edinburgh, Sch Phys & Astron, SUPA, Edinburgh EH9 3FD, Midlothian, Scotland

[32] IBS Ctr Underground Phys CUP, Daejeon 34126, South Korea

[33] Lawrence Livermore Natl Lab LLNL, Livermore, CA 94550 USA

[34] Black Hills State Univ, Sch Nat Sci, Spearfish, SD 57799 USA

[35] Texas A&M Univ, Dept Phys & Astron, College Stn, TX 77843 USA

[36] Dublin Inst Adv Studies, Dublin D02 XF86, Ireland

来源：

PHYSICAL REVIEW D | 2022年 / 105卷 / 08期

基金：

美国国家科学基金会;

关键词：

PARTIAL CROSS-SECTIONS; ENERGY NUCLEAR-REACTIONS; ASTROPHYSICAL APPLICATIONS; XENON; DISTILLATION; SEPARATION; KRYPTON;

D O I：

10.1103/PhysRevD.105.082004

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We estimate the amount of Ar-37 produced in natural xenon via cosmic-my-induced spallation, an inevitable consequence of the transportation and storage of xenon on the Earth's surface. We then calculate the resulting Ar-37 concentration in a 10-tonne payload (similar to that of the LUX-ZEPLIN experiment) assuming a representative schedule of xenon purification, storage, and delivery to the underground facility. Using the spallation model by Silberberg and Tsao, the sea-level production rate of Ar-37 in natural xenon is estimated to be 0.024 atoms/kg/day. Assuming the xenon is successively purified to remove radioactive contaminants in 1-tonne batches at a rate of 1 tonne/month, the average Ar-37 activity after 10 tons are purified and transported underground is 0.058 - 0.090 mu Bq/kg, depending on the degree of argon removal during above-ground purification. Such cosmogenic Ar-37 will appear as a noticeable background in the early science data, while decaying with a 35-day half-life. This newly noticed production mechanism of Ar-37 should be considered when planning for future liquid-xenon-based experiments.

引用

页数：8

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