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Aprile E, Aalbers J, Agostini F, et al. Search for Event Rate Modulation in XENON100 Electronic Recoil Data. Phys Rev Lett. 2015;115(9):091302doi: 10.1103/PhysRevLett.115.091302.
Aprile, E., Aalbers, J., Agostini, F., Alfonsi, M., Anthony, M., Arazi, L., Arisaka, K., Arneodo, F., Balan, C., Barrow, P., Baudis, L., Bauermeister, B., Breur, P. A., Brown, A., Brown, E., Bruenner, S., Bruno, G., Budnik, R., Bütikofer, L., Cardoso, J. M., Cervantes, M., Coderre, D., Colijn, A. P., Contreras, H., Cussonneau, J. P., Decowski, M. P., de Perio, P., Di Giovanni, A., Duchovni, E., Fattori, S., Ferella, A. D., Fieguth, A., Fulgione, W., Gao, F., Garbini, M., Geis, C., Goetzke, L. W., Grignon, C., Gross, E., Hampel, W., Hasterok, C., Itay, R., Kaether, F., Kaminsky, B., Kessler, G., Kish, A., Landsman, H., Lang, R. F., Le Calloch, M., Lellouch, D., Levinson, L., Levy, C., Lindemann, S., Lindner, M., Lopes, J. A., Lyashenko, A., Macmullin, S., Marrodán Undagoitia, T., Masbou, J., Massoli, F. V., Mayani, D., Melgarejo Fernandez, A. J., Meng, Y., Messina, M., Micheneau, K., Miguez, B., Molinario, A., Murra, M., Naganoma, J., Ni, K., Oberlack, U., Orrigo, S. E., Pakarha, P., Persiani, R., Piastra, F., Pienaar, J., Plante, G., Priel, N., Rauch, L., Reichard, S., Reuter, C., Rizzo, A., Rosendahl, S., Dos Santos, J. M., Sartorelli, G., Schindler, S., Schreiner, J., Schumann, M., Scotto Lavina, L., Selvi, M., Shagin, P., Simgen, H., Teymourian, A., Thers, D., Tiseni, A., Trinchero, G., Tunnell, C., Wall, R., Wang, H., Weber, M., Weinheimer, C., Zhang, Y. (2015). Search for Event Rate Modulation in XENON100 Electronic Recoil Data. Physical review letters, 115(9), 091302. https://doi.org/10.1103/PhysRevLett.115.091302
Aprile, E, et al. "Search for Event Rate Modulation in XENON100 Electronic Recoil Data." Physical review letters vol. 115,9 (2015): 091302. doi: https://doi.org/10.1103/PhysRevLett.115.091302
Aprile E, Aalbers J, Agostini F, Alfonsi M, Anthony M, Arazi L, Arisaka K, Arneodo F, Balan C, Barrow P, Baudis L, Bauermeister B, Breur PA, Brown A, Brown E, Bruenner S, Bruno G, Budnik R, Bütikofer L, Cardoso JM, Cervantes M, Coderre D, Colijn AP, Contreras H, Cussonneau JP, Decowski MP, de Perio P, Di Giovanni A, Duchovni E, Fattori S, Ferella AD, Fieguth A, Fulgione W, Gao F, Garbini M, Geis C, Goetzke LW, Grignon C, Gross E, Hampel W, Hasterok C, Itay R, Kaether F, Kaminsky B, Kessler G, Kish A, Landsman H, Lang RF, Le Calloch M, Lellouch D, Levinson L, Levy C, Lindemann S, Lindner M, Lopes JA, Lyashenko A, Macmullin S, Marrodán Undagoitia T, Masbou J, Massoli FV, Mayani D, Melgarejo Fernandez AJ, Meng Y, Messina M, Micheneau K, Miguez B, Molinario A, Murra M, Naganoma J, Ni K, Oberlack U, Orrigo SE, Pakarha P, Persiani R, Piastra F, Pienaar J, Plante G, Priel N, Rauch L, Reichard S, Reuter C, Rizzo A, Rosendahl S, Dos Santos JM, Sartorelli G, Schindler S, Schreiner J, Schumann M, Scotto Lavina L, Selvi M, Shagin P, Simgen H, Teymourian A, Thers D, Tiseni A, Trinchero G, Tunnell C, Wall R, Wang H, Weber M, Weinheimer C, Zhang Y. Search for Event Rate Modulation in XENON100 Electronic Recoil Data. Phys Rev Lett. 2015 Aug 28;115(9):091302. doi: 10.1103/PhysRevLett.115.091302. Epub 2015 Aug 28. PMID: 26371638.
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Phys Rev Lett. 2015 Aug 28;115(9):091302. doi: 10.1103/PhysRevLett.115.091302. Epub 2015 Aug 28.

Search for Event Rate Modulation in XENON100 Electronic Recoil Data.

Physical review letters

E Aprile, J Aalbers, F Agostini, M Alfonsi, M Anthony, L Arazi, K Arisaka, F Arneodo, C Balan, P Barrow, L Baudis, B Bauermeister, P A Breur, A Brown, E Brown, S Bruenner, G Bruno, R Budnik, L Bütikofer, J M R Cardoso, M Cervantes, D Coderre, A P Colijn, H Contreras, J P Cussonneau, M P Decowski, P de Perio, A Di Giovanni, E Duchovni, S Fattori, A D Ferella, A Fieguth, W Fulgione, F Gao, M Garbini, C Geis, L W Goetzke, C Grignon, E Gross, W Hampel, C Hasterok, R Itay, F Kaether, B Kaminsky, G Kessler, A Kish, H Landsman, R F Lang, M Le Calloch, D Lellouch, L Levinson, C Levy, S Lindemann, M Lindner, J A M Lopes, A Lyashenko, S Macmullin, T Marrodán Undagoitia, J Masbou, F V Massoli, D Mayani, A J Melgarejo Fernandez, Y Meng, M Messina, K Micheneau, B Miguez, A Molinario, M Murra, J Naganoma, K Ni, U Oberlack, S E A Orrigo, P Pakarha, R Persiani, F Piastra, J Pienaar, G Plante, N Priel, L Rauch, S Reichard, C Reuter, A Rizzo, S Rosendahl, J M F Dos Santos, G Sartorelli, S Schindler, J Schreiner, M Schumann, L Scotto Lavina, M Selvi, P Shagin, H Simgen, A Teymourian, D Thers, A Tiseni, G Trinchero, C Tunnell, R Wall, H Wang, M Weber, C Weinheimer, Y Zhang,

Affiliations

  1. Physics Department, Columbia University, New York, New York 10027, USA.
  2. Nikhef and the University of Amsterdam, Science Park, 1098XG Amsterdam, Netherlands.
  3. INFN-Laboratori Nazionali del Gran Sasso and Gran Sasso Science Institute, 67100 L'Aquila, Italy.
  4. Department of Physics and Astrophysics, University of Bologna and INFN-Bologna, 40126 Bologna, Italy.
  5. Institut für Physik & Exzellenzcluster PRISMA, Johannes Gutenberg-Universität Mainz, 55099 Mainz, Germany.
  6. Department of Particle Physics and Astrophysics, Weizmann Institute of Science, Rehovot, 7610001, Israel.
  7. Physics & Astronomy Department, University of California, Los Angeles, California 90095, USA.
  8. New York University Abu Dhabi, Abu Dhabi, United Arab Emirates.
  9. Department of Physics, University of Coimbra, 3004-516, Coimbra, Portugal.
  10. Physik-Institut, University of Zurich, 8057 Zurich, Switzerland.
  11. Department of Physics and Astronomy, Purdue University, West Lafayette, Indiana 47907, USA.
  12. Department of Physics, Applied Physics and Astronomy, Rensselaer Polytechnic Institute, Troy, New York 12180, USA.
  13. Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, 48149 Münster, Germany.
  14. Max-Planck-Institut für Kernphysik, 69117 Heidelberg, Germany.
  15. Albert Einstein Center for Fundamental Physics, University of Bern, 3012 Bern, Switzerland.
  16. SUBATECH, Ecole des Mines de Nantes, CNRS/In2p3, Université de Nantes, Nantes 44307, France.
  17. Department of Physics & Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China.
  18. INFN-Torino and Osservatorio Astrofisico di Torino, 10125 Torino, Italy.
  19. Department of Physics and Astronomy, Rice University, Houston, Texas 77005, USA.

PMID: 26371638 DOI: 10.1103/PhysRevLett.115.091302

Abstract

We have searched for periodic variations of the electronic recoil event rate in the (2-6) keV energy range recorded between February 2011 and March 2012 with the XENON100 detector, adding up to 224.6 live days in total. Following a detailed study to establish the stability of the detector and its background contributions during this run, we performed an unbinned profile likelihood analysis to identify any periodicity up to 500 days. We find a global significance of less than 1σ for all periods, suggesting no statistically significant modulation in the data. While the local significance for an annual modulation is 2.8σ, the analysis of a multiple-scatter control sample and the phase of the modulation disfavor a dark matter interpretation. The DAMA/LIBRA annual modulation interpreted as a dark matter signature with axial-vector coupling of weakly interacting massive particles to electrons is excluded at 4.8σ.

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