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@MISC{Collaboration:250974,
      author       = {{ALICE Collaboration}},
      title        = {{F}irst measurement of the absorption of $^{3}\overline{\rm
                      {H}e}$ nuclei in matter and impact on their propagation in
                      the galaxy},
      reportid     = {GSI-2023-00175},
      year         = {2022},
      note         = {Journal Article GSI record: GSI-2023-00113},
      abstract     = {In our Galaxy, light antinuclei composed of antiprotons and
                      antineutrons can be produced through high-energy cosmic-ray
                      collisions with the interstellar medium or could also
                      originate from the annihilation of dark-matter particles
                      that have not yet been discovered. On Earth, the only way to
                      produce and study antinuclei with high precision is to
                      create them at high-energy particle accelerators. Although
                      the properties of elementary antiparticles have been studied
                      in detail, the knowledge of the interaction of light
                      antinuclei with matter is limited. We determine the
                      disappearance probability of $^3$He when it encounters
                      matter particles and annihilates or disintegrates within the
                      ALICE detector at the Large Hadron Collider. We extract the
                      inelastic interaction cross section, which is then used as
                      input to calculations of the transparency of our Galaxy to
                      the propagation of $^3$He stemming from dark-matter
                      annihilation and cosmic-ray interactions within the
                      interstellar medium. For a specific dark-matter profile, we
                      estimate a transparency of about 50\%, whereas it varies
                      with increasing $^3$He momentum from 25\% to 90\% for
                      cosmic-ray sources. The results indicate that nuclei can
                      travel long distances in the Galaxy, and can be used to
                      study cosmic-ray interactions and dark-matter annihilation.},
      cin          = {ALI / DTL / CIT / EXM / ALICE@CERN},
      cid          = {I:(DE-Ds200)ALI-20080822OR105 /
                      I:(DE-Ds200)DTL-20051214OR031 /
                      I:(DE-Ds200)CIT-20110310OR121 /
                      I:(DE-Ds200)EXM-20080818OR100 / I:(DE-Ds200)Coll-CERN-ALICE},
      pnm          = {612 - Cosmic Matter in the Laboratory (POF4-612) / HGS-HIRe
                      - HGS-HIRe for FAIR (HGS-HIRe) / SUC-GSI-Heidelberg -
                      Strategic university cooperation GSI-U Heidelberg
                      (SUC-GSI-HE) / SUC-GSI-Frankfurt - Strategic university
                      cooperation GSI-U Frankfurt/M (SUC-GSI-FR) /
                      SUC-GSI-Darmstadt - Strategic university cooperation GSI-TU
                      Darmstadt (SUC-GSI-DA)},
      pid          = {G:(DE-HGF)POF4-612 / G:(DE-Ds200)HGS-HIRe /
                      G:(DE-Ds200)SUC-GSI-HE / G:(DE-Ds200)SUC-GSI-FR /
                      G:(DE-Ds200)SUC-GSI-DA},
      experiment   = {EXP:(DE-H253)LHC-Exp-ALICE-20150101},
      typ          = {PUB:(DE-HGF)32},
      doi          = {10.17182/HEPDATA.133480},
      url          = {https://repository.gsi.de/record/250974},
}