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Direct Observation of Proton Emission in
Ayyad, Y; Olaizola, B; Mittig, W; Potel, G; Zelevinsky, V; Horoi, M; Beceiro-Novo, S; Alcorta, M; Andreoiu, C; Ahn, T; Anholm, M; Atar, L; Babu, A; Bazin, D; Bernier, N; Bhattacharjee, S S; Bowry, M; Caballero-Folch, R; Cortesi, M; Dalitz, C; Dunling, E; Garnsworthy, A B; Holl, M; Kootte, B; Leach, K G; Randhawa, J S; Saito, Y; Santamaria, C; Siuryte, P; Svensson, C E; Umashankar, R; Watwood, N; Yates, D.
Affiliation
  • Ayyad Y; Facility for Rare Isotope Beams, Michigan State University, East Lansing, Michigan 48824, USA.
  • Olaizola B; National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA.
  • Mittig W; TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia V6T 2A3, Canada.
  • Potel G; National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA.
  • Zelevinsky V; Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA.
  • Horoi M; Facility for Rare Isotope Beams, Michigan State University, East Lansing, Michigan 48824, USA.
  • Beceiro-Novo S; Facility for Rare Isotope Beams, Michigan State University, East Lansing, Michigan 48824, USA.
  • Alcorta M; National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA.
  • Andreoiu C; Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA.
  • Ahn T; Department of Physics, Central Michigan University, Mount Pleasant, Michigan 48859, USA.
  • Anholm M; Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA.
  • Atar L; TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia V6T 2A3, Canada.
  • Babu A; Department of Chemistry, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada.
  • Bazin D; Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556, USA.
  • Bernier N; TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia V6T 2A3, Canada.
  • Bhattacharjee SS; Department of Physics and Astronomy, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada.
  • Bowry M; Department of Physics, University of Guelph, Guelph, Ontario N1G 2W1, Canada.
  • Caballero-Folch R; TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia V6T 2A3, Canada.
  • Cortesi M; National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA.
  • Dalitz C; Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA.
  • Dunling E; TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia V6T 2A3, Canada.
  • Garnsworthy AB; Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada.
  • Holl M; TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia V6T 2A3, Canada.
  • Kootte B; TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia V6T 2A3, Canada.
  • Leach KG; TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia V6T 2A3, Canada.
  • Randhawa JS; National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA.
  • Saito Y; Niederrhein University of Applied Sciences, Institute for Pattern Recognition Reinarzstrasse 49, 47805 Krefeld, Germany.
  • Santamaria C; TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia V6T 2A3, Canada.
  • Siuryte P; Department of Physics, University of York, Heslington, York YO10 5DD, United Kingdom.
  • Svensson CE; TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia V6T 2A3, Canada.
  • Umashankar R; TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia V6T 2A3, Canada.
  • Watwood N; Department of Astronomy and Physics, Saint Marys University, Halifax, Nova Scotia B3H 3C3, Canada.
  • Yates D; TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia V6T 2A3, Canada.
Phys Rev Lett ; 123(8): 082501, 2019 Aug 23.
Article in En | MEDLINE | ID: mdl-31491233
ABSTRACT
The elusive ß^{-}p^{+} decay was observed in ^{11}Be by directly measuring the emitted protons and their energy distribution for the first time with the prototype Active Target Time Projection Chamber in an experiment performed at ISAC-TRIUMF. The measured ß^{-}p^{+} branching ratio is orders of magnitude larger than any previous theoretical model predicted. This can be explained by the presence of a narrow resonance in ^{11}B above the proton separation energy.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Type of study: Prognostic_studies Language: En Journal: Phys Rev Lett Year: 2019 Type: Article Affiliation country: United States
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Full text: 1 Collection: 01-internacional Database: MEDLINE Type of study: Prognostic_studies Language: En Journal: Phys Rev Lett Year: 2019 Type: Article Affiliation country: United States