Constraining the Spin-Dependent WIMP-Nucleon Cross Sections with XENON1T

We report the first experimental results on spin-dependent elastic weakly interacting massive particle (WIMP) nucleon scattering from the XENON1T dark matter search experiment. The analysis uses the full ton year exposure of XENON1T to constrain the spin-dependent proton-only and neutron-only cases....

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Veröffentlicht in:	arXiv.org 2019-04
Hauptverfasser:	Aprile, E, Aalbers, J, Agostini, F, Alfonsi, M, Amaro, F D, Antochi, V C, Arneodo, F, Baudis, L, Bauermeister, B, Benabderrahmane, M L, Berger, T, Breur, P A, Brown, E, Bruenner, S, Budnik, R, Capelli, C, Cardoso, J M R, Cichon, D, Coderre, D, Conrad, J, Cussonneau, J P, de Perio, P, A Di Giovanni, Elykov, A, Eurin, G, Fei, J, Ferella, A D, Fulgione, W, A Gallo Rosso, Galloway, M, Gao, F, Garbini, M, Grandi, L, Hasterok, C, Itay, R, Kazama, S, Koltman, G, Kopec, A, Landsman, H, Lang, R F, Levinson, L, Lin, Q, Lindemann, S, Lombardi, F, Macolino, C, Mahlstedt, J, Manfredini, A, Marignetti, F, T Marrodán Undagoitia, Masson, D, Mastroianni, S, Messina, M, Micheneau, K, Miller, K, Molinario, A, Morå, K, Mosbacher, Y, Murra, M, K Ni, Oberlack, U, Odgers, K, Pelssers, B, Piastra, F, Pienaar, J, Pizzella, V, Plante, G, Priel, N, Qiu, H, D Ramírez García, Reichard, S, Riedel, B, Rizzo, A, Rocchetti, A, Rupp, N, J M F dos Santos, Sartorelli, G, Šarčević, N, Schulte, D, Schumann, M, L Scotto Lavina, Selvi, M, Shagin, P, Silva, M, Simgen, H, Thers, D, Toschi, F, Trinchero, G, Tunnell, C, Upole, N, Vargas, M, Wack, O, Wang, Z, Wei, Y, Weinheimer, C, Wenz, D, Wittweg, C, Z Xu, J Ye, Zhang, Y, Zhu, T
Format:	Artikel
Sprache:	eng
Schlagworte:	Confidence intervals Dark matter Elastic scattering Likelihood ratio Neutrons Nuclear cross sections Physics - Cosmology and Nongalactic Astrophysics Physics - High Energy Physics - Phenomenology Weakly interacting massive particles
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Zusammenfassung:	We report the first experimental results on spin-dependent elastic weakly interacting massive particle (WIMP) nucleon scattering from the XENON1T dark matter search experiment. The analysis uses the full ton year exposure of XENON1T to constrain the spin-dependent proton-only and neutron-only cases. No significant signal excess is observed, and a profile likelihood ratio analysis is used to set exclusion limits on the WIMP-nucleon interactions. This includes the most stringent constraint to date on the WIMP-neutron cross section, with a minimum of \(6.3\times10^{-42}\) cm\(^2\) at 30 GeV/c\({}^2\) and 90% confidence level. The results are compared with those from collider searches and used to exclude new parameter space in an isoscalar theory with an axial-vector mediator.
ISSN:	2331-8422
DOI:	10.48550/arxiv.1902.03234