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Title: Search for 22Na in novae supported by a novel method for measuring femtosecond nuclear lifetimes

Journal Article · · Nature Communications
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3]; ORCiD logo [4];  [2]; ORCiD logo [5]; ORCiD logo [2]; ORCiD logo [6]; ORCiD logo [7]; ORCiD logo [8];  [9];  [10];  [11];  [2];  [9]; ORCiD logo [12]; ORCiD logo [13]; ORCiD logo [14]; ORCiD logo [15];  [16] more »; ORCiD logo [17];  [18]; ORCiD logo [19]; ORCiD logo [20]; ORCiD logo [21];  [2];  [18];  [22]; ORCiD logo [23];  [15]; ORCiD logo [24]; ORCiD logo [25];  [2];  [15]; ORCiD logo [15]; ORCiD logo [26];  [24]; ORCiD logo [9]; ORCiD logo [27];  [21];  [2]; ORCiD logo [28]; ORCiD logo [29]; ORCiD logo [25]; ORCiD logo [30]; ORCiD logo [31];  [17]; ORCiD logo [18];  [32];  [2];  [15];  [33]; ORCiD logo [20]; ORCiD logo [23]; ORCiD logo [34];  [35]; ORCiD logo [19]; ORCiD logo [36]; ORCiD logo [37];  [21];  [12];  [37] « less
  1. Centre National de la Recherche Scientifique (CNRS), Caen (France). Grand Accelerateur National d'Ions Lourds (GANIL), Inst. National de Physique Nucleaire et de Physique des Particules (IN2P3); Alternative Energies and Atomic Energy Commission (CEA), Cean (France). Direction de la Recherche Fondamentale (DRF); Argonne National Laboratory (ANL), Argonne, IL (United States)
  2. Centre National de la Recherche Scientifique (CNRS), Caen (France). Grand Accelerateur National d'Ions Lourds (GANIL), Inst. National de Physique Nucleaire et de Physique des Particules (IN2P3); Alternative Energies and Atomic Energy Commission (CEA), Cean (France). Direction de la Recherche Fondamentale (DRF)
  3. Univ. Politecnica de Catalunya (Spain); Institut d'Estudis Espacials de Catalunya (IEEC), Barcelona (Spain)
  4. Centre National de la Recherche Scientifique (CNRS), Caen (France). Grand Accelerateur National d'Ions Lourds (GANIL), Inst. National de Physique Nucleaire et de Physique des Particules (IN2P3); Alternative Energies and Atomic Energy Commission (CEA), Cean (France). Direction de la Recherche Fondamentale (DRF); Inst. Laue-Langevin (ILL), Grenoble (France)
  5. Centre National de la Recherche Scientifique (CNRS), Caen (France). Grand Accelerateur National d'Ions Lourds (GANIL), Inst. National de Physique Nucleaire et de Physique des Particules (IN2P3); Alternative Energies and Atomic Energy Commission (CEA), Cean (France). Direction de la Recherche Fondamentale (DRF); Institute of Basic Science (IBS), Daejeon (Korea, Republic of)
  6. Univ. of Sao Paulo (Brazil)
  7. European Organization for Nuclear Research (CERN), Geneva (Switzerland)
  8. Helmholtz-Zentrum Dresden-Rossendorf (HZDR), (Germany). Institute of Ion Beam Physics and Materials Research
  9. Istituto Nazionale di Fisica Nucleare (INFN), Milano (Italy)
  10. Univ. of Liverpool (United Kingdom)
  11. Helmholtz-Zentrum Dresden-Rossendorf (HZDR) (Germany). Institute of Ion Beam Physics and Materials Research, Dresden,
  12. Univ. of Belgrade (Serbia)
  13. KTH Royal Inst. of Technology, Stockholm (Sweden)
  14. Polish Academy of Sciences (PAS), Krakow (Poland)
  15. Université Paris-Saclay, Orsay (France); Centre National de la Recherche Scientifique (CNRS), Orsay (France). Inst. National de Physique Nucleaire et de Physique des Particules (IN2P3)
  16. Spanish National Research Council and Polytechnic Univ. of Valencia, Valencia (Spain). Inst. de Fisica Corpuscular
  17. Univ. of Lyon (France); Université Claude-Bernard Lyon 1 (UCBL) (France); Centre National de la Recherche Scientifique (CNRS), Villeurbanne (France). Inst. National de Physique Nucleaire et de Physique des Particules (IN2P3)
  18. Univ. zu Koln (Germany)
  19. Hungarian Academy of Sciences, Debrecen (Hungary), ATOMKI
  20. Univ. of Valencia (Spain)
  21. National Inst. of Nuclear Physics (INFN), Legnaro (Italy). National Laboratory of Legnaro (INFN-LNL)
  22. Consejo Superior de Investigaciones Cientificas (CSIC), Madrid (Spain). Inst. de Estructura de la Materia
  23. Ankara Univ. (Turkey)
  24. Istituto Nazionale di Fisica Nucleare (INFN), Padova (Italy); Univ. degli Studi di Padova (Italy)
  25. Istituto Nazionale di Fisica Nucleare (INFN), Milano (Italy); Univ. di Milano (Italy)
  26. Istituto Nazionale di Fisica Nucleare (INFN), Padova (Italy)
  27. Czech Academy of Sciences (CAS), Rez (Czech Republic)
  28. Uppsala Univ. (Sweden)
  29. Univ. of Surrey, Guildford (United Kingdom)
  30. Univ. de Salamanca (Spain)
  31. Centre National de la Recherche Scientifique (CNRS), Caen (France). Grand Accelerateur National d'Ions Lourds (GANIL), Inst. National de Physique Nucleaire et de Physique des Particules (IN2P3); Alternative Energies and Atomic Energy Commission (CEA), Cean (France). Direction de la Recherche Fondamentale (DRF); Université Paris-Saclay, Orsay (France); Centre National de la Recherche Scientifique (CNRS), Orsay (France). Inst. National de Physique Nucleaire et de Physique des Particules (IN2P3)
  32. Istituto Nazionale di Fisica Nucleare (INFN), Padova (Italy); Centre National de la Recherche Scientifique (CNRS) and Univ. de Strasbourg, Strasbourg (France). Inst. Pluridisciplinaire Hubert CURIEN (IPHC)
  33. Univ. of Huelva (Spain)
  34. Argonne National Laboratory (ANL), Argonne, IL (United States); Commissariat a l'Energie Atomique et aux Energies Alternatives (CEA-Saclay), Gif-sur-Yvette (France); Univ. Paris-Saclay, Gif-sur-Yvette (France)
  35. Univ. de Bordeaux (France); Centre National de la Recherche Scientifique (CNRS), Gradignan (France). Inst. National de Physique Nucleaire et de Physique des Particules (IN2P3)
  36. Horia Hulubei National Institute for Physics and Nuclear Engineering, Magurele (Romania)
  37. Commissariat a l'Energie Atomique et aux Energies Alternatives (CEA-Saclay), Gif-sur-Yvette (France); Univ. Paris-Saclay, Gif-sur-Yvette (France)

Classical novae are thermonuclear explosions in stellar binary systems, and important sources of 26Al and 22Na. While γ rays from the decay of the former radioisotope have been observed throughout the Galaxy, 22Na remains untraceable. Its half-life (2.6 yr) would allow the observation of its 1.275 MeV γ-ray line from a cosmic source. However, the prediction of such an observation requires good knowledge of its nucleosynthesis. The 22Na(p, γ)23Mg reaction remains the only source of large uncertainty about the amount of 22Na ejected. Its rate is dominated by a single resonance on the short-lived state at 7785.0(7) keV in 23Mg. Here, we propose a combined analysis of particle-particle correlations and velocity-difference profiles to measure femtosecond nuclear lifetimes. The application of this method to the study of the 23Mg states, places strong limits on the amount of 22Na produced in novae and constrains its detectability with future space-borne observatories.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP); Spanish Ministerio de Economia y Competitividad (MINECO); Institute for Basic Science (IBS); Sao Paulo Research Foundation (FAPESP); Agència de Gestió d'Ajuts Universitaris i de Recerca (AGAUR); National Council for Scientific and Technological Development (CNPq)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
2404845
Journal Information:
Nature Communications, Journal Name: Nature Communications Journal Issue: 1 Vol. 14; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English

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