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@ARTICLE{Bondarenko:437116,
      author       = {Bondarenko, Kyrylo and Boyarsky, Alexey and Bringmann,
                      Torsten and Hufnagel, Marco and Schmidt-Hoberg, Kai and
                      Sokolenko, Anastasia},
      title        = {{D}irect detection and complementary constraints for
                      sub-{G}e{V} dark matter},
      journal      = {Journal of high energy physics},
      volume       = {2020},
      number       = {3},
      issn         = {1029-8479},
      address      = {[Trieste]},
      publisher    = {SISSA},
      reportid     = {PUBDB-2020-01343, DESY-19-140. arXiv:1909.08632},
      pages        = {118},
      year         = {2020},
      note         = {39 pages, 7 figures; matches the published version ;
                      publication: JHEP 2020 (2020) 118 ; ;},
      abstract     = {Traditional direct searches for dark matter, looking for
                      nuclear recoils in deep underground detectors, are
                      challenged by an almost complete loss of sensitivity for
                      light dark matter particles. Consequently, there is a
                      significant effort in the community to devise new methods
                      and experiments to overcome these difficulties, constantly
                      pushing the limits of the lowest dark matter mass that can
                      be probed this way. From a model-building perspective, the
                      scattering of sub-GeV dark matter on nucleons essentially
                      must proceed via new light mediator particles, given that
                      collider searches place extremely stringent bounds on
                      contact-type interactions. Here we present an updated
                      compilation of relevant limits for the case of a scalar
                      mediator, including a new estimate of the near-future
                      sensitivity of the NA62 experiment as well as a detailed
                      evaluation of the model-specific limits from Big Bang
                      nucleosynthesis. We also derive updated and more general
                      limits on DM particles upscattered by cosmic rays,
                      applicable to arbitrary energy- and momentum dependences of
                      the scattering cross section. Finally we stress that dark
                      matter self-interactions, when evaluated beyond the common
                      s-wave approximation, place stringent limits independently
                      of the dark matter production mechanism. These are, for the
                      relevant parameter space, generically comparable to those
                      that apply in the commonly studied freeze-out case. We
                      conclude that the combination of existing (or expected)
                      constraints from accelerators and astrophysics, combined
                      with cosmological requirements, puts robust limits on the
                      maximally possible nuclear scattering rate. In most regions
                      of parameter space these are at least competitive with the
                      best projected limits from currently planned direct
                      detection experiments.},
      keywords     = {dark matter: production (INSPIRE) / dark matter: mass
                      (INSPIRE) / nucleus: scattering (INSPIRE) / nucleosynthesis:
                      big bang (INSPIRE) / nucleus: recoil (INSPIRE) / direct
                      detection (INSPIRE) / sensitivity (INSPIRE) / mediation
                      (INSPIRE) / deep underground detector (INSPIRE) / momentum
                      dependence (INSPIRE) / cosmic radiation (INSPIRE) /
                      accelerator (INSPIRE) / freeze-out (INSPIRE) / nucleon
                      (INSPIRE) / NA62 (INSPIRE)},
      cin          = {T},
      ddc          = {530},
      cid          = {I:(DE-H253)T-20120731},
      pnm          = {611 - Fundamental Particles and Forces (POF3-611) / NewAve
                      - New avenues towards solving the dark matter puzzle
                      (638528) / NuBSM - From Fermi to Planck : a bottom up
                      approach (694896) / DFG project 390833306 - EXC 2121:
                      Quantum Universe (390833306)},
      pid          = {G:(DE-HGF)POF3-611 / G:(EU-Grant)638528 /
                      G:(EU-Grant)694896 / G:(GEPRIS)390833306},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)16},
      eprint       = {1909.08632},
      howpublished = {arXiv:1909.08632},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:1909.08632;\%\%$},
      UT           = {WOS:000521995800001},
      doi          = {10.1007/JHEP03(2020)118},
      url          = {https://bib-pubdb1.desy.de/record/437116},
}