Limits on spin-dependent WIMP-nucleon cross sections from 225 live days of 
XENON100 data

XENON100 collaboration; Aprile, E.; Alfonsi, M.; Arisaka, K.; Arneodo, F.; Balan, C.; Baudis, L.; Bauermeister, B.; Behrens, A.; Beltrame, P.; Beltrame, P.; Bokeloh, K.; Brown, A.; Brown, E.; Bruno, G.; Budnik, R.; Cardoso, J. M. R.; Chen, W. -T.; Choi, B.; Colijn, A. P.; Contreras, H.; Cussonneau, J. P.; Decowski, M. P.; Duchovni, E.; Fattori, S.; Ferella, A. D.; Ferella, A. D.; Fulgione, W.; Gao, F.; Garbini, M.; Ghag, C.; Giboni, K. -L.; Goetzke, L. W.; Grignon, C.; Gross, E.; Hampel, W.; Kaether, F.; Kish, A.; Lamblin, J.; Landsman, H.; Lang, R. F.; Calloch, M. Le; Lellouch, D.; Levy, C.; Lim, K. E.; Lin, Q.; Lindner, M.; Lopes, J. A. M.; Lung, K.; Marrodan Undagoitia, Teresa; Massoli, F. V.; Fernandez, A. J. Melgarejo; Meng, Y.; Messina, M.; Molinario, A.; Ni, K.; Oberlack, U.; Orrigo, S. E. A.; Pantic, E.; Persiani, R.; Plante, G.; Priel, N.; Rizzo, A.; Rosendahl, S.; Santos, J. M. F. dos; Sartorelli, G.; Schreiner, J.; Schumann, M.; Lavina, L. Scotto; Scovell, P. R.; Selvi, M.; Shagin, P.; Simgen, H.; Teymourian, A.; Thers, D.; Vitells, O.; Wang, H.; Weber, M.; Weinheimer, C.

doi:10.1103/PhysRevLett.111.021301

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Limits on spin-dependent WIMP-nucleon cross sections from 225 live days of XENON100 data

MPS-Authors

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Hampel, W.
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

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Kaether, F.
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

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Lindner, M.
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

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Marrodan Undagoitia, Teresa
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

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Schreiner, J.
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

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Simgen, H.
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

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Weber, M.
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

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http://link.aps.org/doi/10.1103/PhysRevLett.111.021301
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1301.6620v2Xenon100Limits.pdf
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Citation

XENON100 collaboration, Aprile, E., Alfonsi, M., Arisaka, K., Arneodo, F., Balan, C., et al. (2013). Limits on spin-dependent WIMP-nucleon cross sections from 225 live days of XENON100 data. Physical Review Letters, 111(2): 021301, pp. 1-5. doi:10.1103/PhysRevLett.111.021301.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0014-48B3-8

Abstract

We present new experimental constraints on the elastic, spin-dependent WIMP-nucleon cross section using recent data from the XENON100 experiment, operated in the Laboratori Nazionali del Gran Sasso in Italy. An analysis of 224.6 live days x 34 kg of exposure acquired during 2011 and 2012 revealed no excess signal due to axial-vector WIMP interactions with 129-Xe and 131-Xe nuclei. This leads to the most stringent upper limits on WIMP-neutron cross sections for WIMP masses above 6 GeV, with a minimum cross section of 3.5 x 10^{-40} cm^2 at a WIMP mass of 45 GeV, at 90% confidence level.