The neutron background of the XENON100 dark matter search experiment
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Research Areas
- Ethics and Fundamental Issues of Law and Justice (Fundamental Issues and Purpose of Human Life)
- Evolution of Thought (Fundamental Issues and Purpose of Human Life)
- Humanities (Human and social sciences)
- Language, Knowledge, Significance and Thought Building (Fundamental Issues and Purpose of Human Life)
- Ontological and Metaphysical Matters (Fundamental Issues and Purpose of Human Life)
- Social Relations and Structures (Human and social sciences)
Publication Details
Output type: Journal article
Author list: Aprile E, Alfonsi M, Arisaka K, Arneodo F, Balan C, Baudis L, Bauermeister B, Behrens A, Beltrame P, Bokeloh K, Brown A, Brown E, Bruno G, Budnik R, Cardoso JMR, Chen WT, Choi B, Colijn AP, Contreras H, Cussonneau JP, Decowski MP, Duchovni E, Fattori S, Ferella AD, Fulgione W, Gao F, Garbini M, Ghag C, Giboni KL, Goetzke LW, Grignon C, Gross E, Hampel W, Kaether F, Kish A, Lamblin J, Landsman H, Lang RF, Le Calloch M, Levy C, Lim KE, Lin Q, Lindemann S, Lindner M, Lopes JAM, Lung K, Undagoitia TM, Massoli FV, Fernandez AJM, Meng Y, Messina M, Molinario A, Ni K, Oberlack U, Orrigo SEA, Pantic E, Persiani R, Plante G, Priel N, Rizzo A, Rosendahl S, dos Santos JMF, Sartorelli G, Schreiner J, Schumann M, Lavina LS, Scovell PR, Selvi M, Shagin P, Simgen H, Teymourian A, Thers D, Tziaferi E, Vitells O, Wang H, Weber M, Weinheimer C
Publisher: IOP Publishing
Publication year: 2013
Journal: Journal of Physics G: Nuclear and Particle Physics (0954-3899)
Volume number: 40
Issue number: 11
ISSN: 0954-3899
eISSN: 1361-6471
Languages: English-Great Britain (EN-GB)
Unpaywall Data
Open access status: green
Full text URL: https://estudogeral.sib.uc.pt/bitstream/10316/80011/1/Aprile_2013_J._Phys._G%253A_Nucl._Part._Phys._40_115201.pdf
Abstract
TheXENON100 experiment, installed underground at the LaboratoriNazionali del Gran Sasso, aims to directly detect dark matter in the form of weakly interacting massive particles (WIMPs) via their elastic scattering off xenon nuclei. This paper presents a study on the nuclear recoil background of the experiment, taking into account neutron backgrounds from (alpha, n) reactions and spontaneous fission due to natural radioactivity in the detector and shield materials, as well as muon-induced neutrons. Based on MonteCarlo simulations and using measured radioactive contaminations of all detector components, we predict the nuclear recoil backgrounds for the WIMP search results published by theXENON100 experiment in 2011 and 2012, 0.11(-0.04)(+0.08) events and 0.17(-0.07)(+0.12) events, respectively, and conclude that they do not limit the sensitivity of the experiment.
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