Search for Light Dark Matter Interactions Enhanced by the Migdal Effect or Bremsstrahlung in XENON1T

E Aprile¹, J Aalbers², F Agostini³, M Alfonsi⁴, L Althueser⁵, F D Amaro⁶, V C Antochi², E Angelino⁷, F Arneodo⁸, D Barge², L Baudis⁹, B Bauermeister², L Bellagamba³, M L Benabderrahmane⁸, T Berger¹⁰, P A Breur¹¹, A Brown⁹, E Brown¹⁰, S Bruenner¹², G Bruno⁸, R Budnik¹³, C Capelli⁹, J M R Cardoso⁶, D Cichon¹², D Coderre¹⁴, A P Colijn¹¹, J Conrad², J P Cussonneau¹⁵, M P Decowski¹¹, P de Perio¹, A Depoian¹⁶, P Di Gangi³, A Di Giovanni⁸, S Diglio¹⁵, A Elykov¹⁴, G Eurin¹², J Fei¹⁷, A D Ferella², A Fieguth⁵, W Fulgione^{7

18}, P Gaemers¹¹, A Gallo Rosso¹⁸, M Galloway⁹, F Gao¹, M Garbini³, L Grandi¹⁹, Z Greene¹, C Hasterok¹², C Hils⁴, E Hogenbirk¹¹, J Howlett¹, M Iacovacci²⁰, R Itay¹³, F Joerg¹², S Kazama²¹, A Kish⁹, M Kobayashi¹, G Koltman¹³, A Kopec¹⁶, H Landsman¹³, R F Lang¹⁶, L Levinson¹³, Q Lin¹, S Lindemann¹⁴, M Lindner¹², F Lombardi^{6

17}, J A M Lopes⁶, E López Fune²², C Macolino²³, J Mahlstedt², M Manenti⁸, A Manfredini^{9

13}, F Marignetti²⁰, T Marrodán Undagoitia¹², J Masbou¹⁵, S Mastroianni²⁰, M Messina^{8

18}, K Micheneau¹⁵, K Miller¹⁹, A Molinario¹⁸, K Morå², Y Mosbacher¹³, M Murra⁵, J Naganoma^{18

24}, K Ni¹⁷, U Oberlack⁴, K Odgers¹⁰, J Palacio¹⁵, B Pelssers², R Peres⁹, J Pienaar¹⁹, V Pizzella¹², G Plante¹, R Podviianiuk¹⁸, J Qin¹⁶, H Qiu¹³, D Ramírez García¹⁴, S Reichard⁹, B Riedel¹⁹, A Rocchetti¹⁴, N Rupp¹², J M F Dos Santos⁶, G Sartorelli³, N Šarčević¹⁴, M Scheibelhut⁴, S Schindler⁴, J Schreiner¹², D Schulte⁵, M Schumann¹⁴, L Scotto Lavina²², M Selvi³, P Shagin²⁴, E Shockley¹⁹, M Silva⁶, H Simgen¹², C Therreau¹⁵, D Thers¹⁵, F Toschi¹⁴, G Trinchero⁷, C Tunnell²⁴, N Upole¹⁹, M Vargas⁵, G Volta⁹, O Wack¹², H Wang²⁵, Y Wei¹⁷, C Weinheimer⁵, D Wenz⁴, C Wittweg⁵, J Wulf⁹, J Ye¹⁷, Y Zhang¹, T Zhu¹, J P Zopounidis²²; XENON Collaboration

Affiliations

¹ Physics Department, Columbia University, New York, New York 10027, USA.
² Oskar Klein Centre, Department of Physics, Stockholm University, AlbaNova, Stockholm SE-10691, Sweden.
³ Department of Physics and Astronomy, University of Bologna and INFN-Bologna, 40126 Bologna, Italy.
⁴ Institut für Physik and Exzellenzcluster PRISMA, Johannes Gutenberg-Universität Mainz, 55099 Mainz, Germany.
⁵ Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, 48149 Münster, Germany.
⁶ LIBPhys, Department of Physics, University of Coimbra, 3004-516 Coimbra, Portugal.
⁷ INAF-Astrophysical Observatory of Torino, Department of Physics, University of Torino and INFN-Torino, 10125 Torino, Italy.
⁸ New York University Abu Dhabi, P.O. Box 129188, Abu Dhabi, United Arab Emirates.
⁹ Physik-Institut, University of Zurich, 8057 Zurich, Switzerland.
¹⁰ Department of Physics, Applied Physics and Astronomy, Rensselaer Polytechnic Institute, Troy, New York 12180, USA.
¹¹ Nikhef and the University of Amsterdam, Science Park, 1098XG Amsterdam, Netherlands.
¹² Max-Planck-Institut für Kernphysik, 69117 Heidelberg, Germany.
¹³ Department of Particle Physics and Astrophysics, Weizmann Institute of Science, Rehovot 7610001, Israel.
¹⁴ Physikalisches Institut, Universität Freiburg, 79104 Freiburg, Germany.
¹⁵ SUBATECH, IMT Atlantique, CNRS/IN2P3, Université de Nantes, Nantes 44307, France.
¹⁶ Department of Physics and Astronomy, Purdue University, West Lafayette, Indiana 47907, USA.
¹⁷ Department of Physics, University of California, San Diego, California 92093, USA.
¹⁸ INFN-Laboratori Nazionali del Gran Sasso and Gran Sasso Science Institute, 67100 L'Aquila, Italy.
¹⁹ Department of Physics and Kavli Institute for Cosmological Physics, University of Chicago, Chicago, Illinois 60637, USA.
²⁰ Department of Physics "Ettore Pancini," University of Napoli and INFN-Napoli, 80126 Napoli, Italy.
²¹ Kobayashi-Maskawa Institute for the Origin of Particles and the Universe, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8602, Japan.
²² LPNHE, Université Pierre et Marie Curie, Université Paris Diderot, CNRS/IN2P3, Paris 75252, France.
²³ LAL, Université Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, F-91405 Orsay, France.
²⁴ Department of Physics and Astronomy, Rice University, Houston, Texas 77005, USA.
²⁵ Physics and Astronomy Department, University of California, Los Angeles, California 90095, USA.

PMID: 31922867
DOI: 10.1103/PhysRevLett.123.241803

Free article

Search for Light Dark Matter Interactions Enhanced by the Migdal Effect or Bremsstrahlung in XENON1T

E Aprile et al. Phys Rev Lett. 2019.

Free article

. 2019 Dec 13;123(24):241803.

doi: 10.1103/PhysRevLett.123.241803.

Authors

Affiliations

¹ Physics Department, Columbia University, New York, New York 10027, USA.
² Oskar Klein Centre, Department of Physics, Stockholm University, AlbaNova, Stockholm SE-10691, Sweden.
³ Department of Physics and Astronomy, University of Bologna and INFN-Bologna, 40126 Bologna, Italy.
⁴ Institut für Physik and Exzellenzcluster PRISMA, Johannes Gutenberg-Universität Mainz, 55099 Mainz, Germany.
⁵ Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, 48149 Münster, Germany.
⁶ LIBPhys, Department of Physics, University of Coimbra, 3004-516 Coimbra, Portugal.
⁷ INAF-Astrophysical Observatory of Torino, Department of Physics, University of Torino and INFN-Torino, 10125 Torino, Italy.
⁸ New York University Abu Dhabi, P.O. Box 129188, Abu Dhabi, United Arab Emirates.
⁹ Physik-Institut, University of Zurich, 8057 Zurich, Switzerland.
¹⁰ Department of Physics, Applied Physics and Astronomy, Rensselaer Polytechnic Institute, Troy, New York 12180, USA.
¹¹ Nikhef and the University of Amsterdam, Science Park, 1098XG Amsterdam, Netherlands.
¹² Max-Planck-Institut für Kernphysik, 69117 Heidelberg, Germany.
¹³ Department of Particle Physics and Astrophysics, Weizmann Institute of Science, Rehovot 7610001, Israel.
¹⁴ Physikalisches Institut, Universität Freiburg, 79104 Freiburg, Germany.
¹⁵ SUBATECH, IMT Atlantique, CNRS/IN2P3, Université de Nantes, Nantes 44307, France.
¹⁶ Department of Physics and Astronomy, Purdue University, West Lafayette, Indiana 47907, USA.
¹⁷ Department of Physics, University of California, San Diego, California 92093, USA.
¹⁸ INFN-Laboratori Nazionali del Gran Sasso and Gran Sasso Science Institute, 67100 L'Aquila, Italy.
¹⁹ Department of Physics and Kavli Institute for Cosmological Physics, University of Chicago, Chicago, Illinois 60637, USA.
²⁰ Department of Physics "Ettore Pancini," University of Napoli and INFN-Napoli, 80126 Napoli, Italy.
²¹ Kobayashi-Maskawa Institute for the Origin of Particles and the Universe, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8602, Japan.
²² LPNHE, Université Pierre et Marie Curie, Université Paris Diderot, CNRS/IN2P3, Paris 75252, France.
²³ LAL, Université Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, F-91405 Orsay, France.
²⁴ Department of Physics and Astronomy, Rice University, Houston, Texas 77005, USA.
²⁵ Physics and Astronomy Department, University of California, Los Angeles, California 90095, USA.

PMID: 31922867
DOI: 10.1103/PhysRevLett.123.241803

Abstract

Direct dark matter detection experiments based on a liquid xenon target are leading the search for dark matter particles with masses above ∼5 GeV/c^{2}, but have limited sensitivity to lighter masses because of the small momentum transfer in dark matter-nucleus elastic scattering. However, there is an irreducible contribution from inelastic processes accompanying the elastic scattering, which leads to the excitation and ionization of the recoiling atom (the Migdal effect) or the emission of a bremsstrahlung photon. In this Letter, we report on a probe of low-mass dark matter with masses down to about 85 MeV/c^{2} by looking for electronic recoils induced by the Migdal effect and bremsstrahlung using data from the XENON1T experiment. Besides the approach of detecting both scintillation and ionization signals, we exploit an approach that uses ionization signals only, which allows for a lower detection threshold. This analysis significantly enhances the sensitivity of XENON1T to light dark matter previously beyond its reach.

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Search for Light Dark Matter Interactions Enhanced by the Migdal Effect or Bremsstrahlung in XENON1T

Affiliations

Search for Light Dark Matter Interactions Enhanced by the Migdal Effect or Bremsstrahlung in XENON1T

Authors

Affiliations

Abstract

LinkOut - more resources

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