publication . Article . Preprint . Other literature type . 2019

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

Aprile, E.; Aalbers, J.; Agostini, F.; Alfonsi, M.; Althueser, L.; Amaro, F. D.; Antochi, V. C.; Angelino, E.; Arneodo, F.; Barge, D.; ...
Open Access English
  • Published: 13 Dec 2019
  • Publisher: HAL CCSD
Abstract
Direct dark matter detection experiments based on a liquid xenon target are leading the search for dark matter particles with masses above <math><mo>∼</mo><mn>5</mn><mtext> </mtext><mtext> </mtext><mi>GeV</mi><mo>/</mo><msup><mi>c</mi><mn>2</mn></msup></math>, 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 l...
Subjects
free text keywords: atom, recoil, excited state, momentum transfer, scintillation counter, sensitivity, elastic scattering, ionization, xenon: target, xenon: liquid, down: mass, photon: bremsstrahlung, bremsstrahlung: emission, dark matter: interaction, Elementary Particles and Fields, * Automatic Keywords *, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], S030DP5, S030DI5, S030DN5, General Physics and Astronomy, High Energy Physics - Experiment, Astrophysics - Cosmology and Nongalactic Astrophysics, Physics - Instrumentation and Detectors, Light Dark Matter Direct search Liquid Xenon TPC, Dark matter, Light dark matter, Physics, Bremsstrahlung, Nuclear physics
Funded by
EC| INVISIBLES
Project
INVISIBLES
INVISIBLES
  • Funder: European Commission (EC)
  • Project Code: 289442
  • Funding stream: FP7 | SP3 | PEOPLE
,
EC| ELUSIVES
Project
ELUSIVES
The Elusives Enterprise: Asymmetries of the Invisible Universe
  • Funder: European Commission (EC)
  • Project Code: 674896
  • Funding stream: H2020 | MSCA-ITN-ETN
,
EC| InvisiblesPlus
Project
InvisiblesPlus
InvisiblesPlus
  • Funder: European Commission (EC)
  • Project Code: 690575
  • Funding stream: H2020 | MSCA-RISE
42 references, page 1 of 3

23LAL, Universite´ Paris-Sud, CNRS/IN2P3, Universite´ Paris-Saclay, F-91405 Orsay, France

24Department of Physics and Astronomy, Rice University, Houston, Texas 77005, USA

25Physics and Astronomy Department, University of California, Los Angeles, California 90095, USA

3584 CC Utrecht, Netherlands.

‡ql2265@vip.163.com

§Also at Coimbra Polytechnic-ISEC, 3030-199 Coimbra,

∥xenon@lngs.infn.it [1] D. Clowe, A. Gonzalez, and M. Markevitch, Astrophys. J.

604, 596 (2004). [2] V. C. Rubin, W. K. Ford, Jr., and N. Thonnard, Astrophys. J.

238, 471 (1980). [3] N. Aghanim et al. (Planck Collaboration), arXiv:1807

.06209. [4] G. Jungman, M. Kamionkowski, and K. Griest, Phys. Rep.

267, 195 (1996). [5] B. W. Lee and S. Weinberg, Phys. Rev. Lett. 39, 165 (1977). [6] D. S. Akerib et al. (LUX Collaboration), Phys. Rev. Lett.

116, 161302 (2016). [7] X. Cui et al. (PandaX-II Collaboration), Phys. Rev. Lett.

119, 181302 (2017). [8] E. Aprile et al. (XENON Collaboration), Phys. Rev. Lett.

121, 111302 (2018). [9] M. Battaglieri et al., arXiv:1707.04591. [10] C. Kouvaris and J. Pradler, Phys. Rev. Lett. 118, 031803

(2017). [11] A. B. Migdal, J. Phys. (USSR) 4, 449 (1941). [12] M. Ibe, W. Nakano, Y. Shoji, and K. Suzuki, J. High Energy

42 references, page 1 of 3
Abstract
Direct dark matter detection experiments based on a liquid xenon target are leading the search for dark matter particles with masses above <math><mo>∼</mo><mn>5</mn><mtext> </mtext><mtext> </mtext><mi>GeV</mi><mo>/</mo><msup><mi>c</mi><mn>2</mn></msup></math>, 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 l...
Subjects
free text keywords: atom, recoil, excited state, momentum transfer, scintillation counter, sensitivity, elastic scattering, ionization, xenon: target, xenon: liquid, down: mass, photon: bremsstrahlung, bremsstrahlung: emission, dark matter: interaction, Elementary Particles and Fields, * Automatic Keywords *, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], S030DP5, S030DI5, S030DN5, General Physics and Astronomy, High Energy Physics - Experiment, Astrophysics - Cosmology and Nongalactic Astrophysics, Physics - Instrumentation and Detectors, Light Dark Matter Direct search Liquid Xenon TPC, Dark matter, Light dark matter, Physics, Bremsstrahlung, Nuclear physics
Funded by
EC| INVISIBLES
Project
INVISIBLES
INVISIBLES
  • Funder: European Commission (EC)
  • Project Code: 289442
  • Funding stream: FP7 | SP3 | PEOPLE
,
EC| ELUSIVES
Project
ELUSIVES
The Elusives Enterprise: Asymmetries of the Invisible Universe
  • Funder: European Commission (EC)
  • Project Code: 674896
  • Funding stream: H2020 | MSCA-ITN-ETN
,
EC| InvisiblesPlus
Project
InvisiblesPlus
InvisiblesPlus
  • Funder: European Commission (EC)
  • Project Code: 690575
  • Funding stream: H2020 | MSCA-RISE
42 references, page 1 of 3

23LAL, Universite´ Paris-Sud, CNRS/IN2P3, Universite´ Paris-Saclay, F-91405 Orsay, France

24Department of Physics and Astronomy, Rice University, Houston, Texas 77005, USA

25Physics and Astronomy Department, University of California, Los Angeles, California 90095, USA

3584 CC Utrecht, Netherlands.

‡ql2265@vip.163.com

§Also at Coimbra Polytechnic-ISEC, 3030-199 Coimbra,

∥xenon@lngs.infn.it [1] D. Clowe, A. Gonzalez, and M. Markevitch, Astrophys. J.

604, 596 (2004). [2] V. C. Rubin, W. K. Ford, Jr., and N. Thonnard, Astrophys. J.

238, 471 (1980). [3] N. Aghanim et al. (Planck Collaboration), arXiv:1807

.06209. [4] G. Jungman, M. Kamionkowski, and K. Griest, Phys. Rep.

267, 195 (1996). [5] B. W. Lee and S. Weinberg, Phys. Rev. Lett. 39, 165 (1977). [6] D. S. Akerib et al. (LUX Collaboration), Phys. Rev. Lett.

116, 161302 (2016). [7] X. Cui et al. (PandaX-II Collaboration), Phys. Rev. Lett.

119, 181302 (2017). [8] E. Aprile et al. (XENON Collaboration), Phys. Rev. Lett.

121, 111302 (2018). [9] M. Battaglieri et al., arXiv:1707.04591. [10] C. Kouvaris and J. Pradler, Phys. Rev. Lett. 118, 031803

(2017). [11] A. B. Migdal, J. Phys. (USSR) 4, 449 (1941). [12] M. Ibe, W. Nakano, Y. Shoji, and K. Suzuki, J. High Energy

42 references, page 1 of 3
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