First Measurement of the Neutron-Emission Probability with a Surrogate Reaction in Inverse Kinematics at a Heavy-Ion Storage Ring
Neutron-induced reaction cross sections of short-lived nuclei are imperative to understand the origin of heavy elements in stellar nucleosynthesis and for societal applications, but their measurement is extremely complicated due to the radioactivity of the targets involved. One way of overcoming this issue is to combine surrogate reactions with the unique possibilities offered by heavy-ion storage rings. In this work, we describe the first surrogate-reaction experiment in inverse kinematics, which we successfully conducted at the Experimental Storage Ring (ESR) of the GSI/FAIR facility, using the ^{208}Pb(p,p^{'}) reaction as a surrogate for neutron capture on ^{207}Pb. Thanks to the outstanding detection efficiencies possible at the ESR, we were able to measure for the first time the neutron-emission probability as a function of the excitation energy of ^{208}Pb. We have used this probability to select different descriptions of the γ-ray strength function and nuclear level density, and provide reliable results for the neutron-induced radiative capture cross section of ^{207}Pb at energies for which no experimental data exist.
Authors
- B. Włoch (ORCID: https://orcid.org/0000-0003-4886-9947)
- S. Dellmann (ORCID: https://orcid.org/0000-0002-6348-858X)
- R. S. Sidhu (ORCID: https://orcid.org/0000-0002-1637-7502)
- M. Roche
- P. Ascher (ORCID: https://orcid.org/0000-0002-1990-0848)
- N. Petridis (ORCID: https://orcid.org/0000-0002-2629-4727)
- V. Méot
- R. Heß (ORCID: https://orcid.org/0000-0003-1239-2585)
- J. Pibernat
- O. Forstner (ORCID: https://orcid.org/0000-0003-3636-4669)
- B. Thomas (ORCID: https://orcid.org/0000-0002-4874-3220)
- D. Kurtulgil
- Yu. A. Litvinov (ORCID: https://orcid.org/0000-0002-7043-4993)
- R. Reifarth (ORCID: https://orcid.org/0000-0002-3855-5816)
- B. Brückner (ORCID: https://orcid.org/0000-0003-2145-8363)
- U. Spillmann (ORCID: https://orcid.org/0000-0001-7281-5063)
- A. Gumberidze (ORCID: https://orcid.org/0000-0002-2498-971X)
- Β. Blank (ORCID: https://orcid.org/0000-0001-8050-6850)
- B. Jurado (ORCID: https://orcid.org/0000-0002-7889-9736)
- M. S. Sanjari (ORCID: https://orcid.org/0000-0001-7321-0429)
- I. Dillmann (ORCID: https://orcid.org/0000-0001-8521-3635)
- M. Versteegen (ORCID: https://orcid.org/0000-0002-5062-2882)
- M. Gerbaux (ORCID: https://orcid.org/0000-0002-3852-2643)
- C. J. Griffin (ORCID: https://orcid.org/0000-0003-4982-6252)
- L. Thulliez
- J. Adamczewski-Musch (ORCID: https://orcid.org/0000-0002-7586-8504)
- L. Audouin (ORCID: https://orcid.org/0000-0001-9899-6923)
- Th. Stöhlker (ORCID: https://orcid.org/0000-0003-0461-3560)
- S. Grévy (ORCID: https://orcid.org/0000-0003-2680-1802)
- G. Leckenby (ORCID: https://orcid.org/0000-0001-5002-763X)
- D. Freire-Fernández (ORCID: https://orcid.org/0000-0002-5898-9291)
- J. Michaud (ORCID: https://orcid.org/0000-0003-1375-244X)
- M. Sguazzin (ORCID: https://orcid.org/0000-0001-6611-392X)
- C. Domingo‐Pardo (ORCID: https://orcid.org/0000-0002-2915-5466)
- J. Glorius (ORCID: https://orcid.org/0000-0003-1785-3221)
- S. Litvinov (ORCID: https://orcid.org/0000-0002-7055-6763)
- Marc Dupuis
- Stefan R. Heil
- P. Alfaurt
- J. Giovinazzo (ORCID: https://orcid.org/0000-0001-7436-8877)
- C. Berthelot
- S. Pérard
- K. Blaum (ORCID: https://orcid.org/0000-0003-4468-9316)
- D. Ramos (ORCID: https://orcid.org/0000-0003-1822-6537)
- N. Kurz (ORCID: https://orcid.org/0000-0001-5128-3491)
- M. Grieser (ORCID: https://orcid.org/0000-0002-5066-2550)
- A. Heinz
- P. Erbacher (ORCID: https://orcid.org/0000-0001-8481-7189)
- M. Flayol
- J. A. Swartz (ORCID: https://orcid.org/0000-0002-5999-2791)
- U. Popp
- M. Steck
- B. Lorentz (ORCID: https://orcid.org/0009-0007-5943-8911)
Institutions
- Goethe University Frankfurt (DE)
- Helmholtz Institute Jena (DE)
- TRIUMF (CA)
- Los Alamos National Laboratory (US)
- University of British Columbia (CA)
- Université de Bordeaux (FR)
- Universitat de València (ES)
- GSI Helmholtz Centre for Heavy Ion Research (DE)
- University of Victoria (CA)
- Heidelberg University (DE)
- Commissariat à l'Énergie Atomique et aux Énergies Alternatives (FR)
- Université Paris-Saclay (FR)
- CEA DAM Île-de-France (FR)
- Institut National de Physique Nucléaire et de Physique des Particules (FR)
- Grand Accélérateur National d'Ions Lourds (FR)
- Max Planck Institute for Nuclear Physics (DE)
- Centre Émile Durkheim (FR)
- Chalmers University of Technology (SE)
- Friedrich Schiller University Jena (DE)
- University of Edinburgh (GB)
- FH Aachen (DE)
Publication Details
- Journal
- Physical Review Letters
- Published
- 2025-02-18
- DOI
- https://doi.org/10.1103/physrevlett.134.072501
- Citations
- 7
- Primary Topic
- Nuclear physics research studies
- Type
- article
- Field-Weighted Citation Impact
- 13.09
Funders
- European Commission
- Knut och Alice Wallenbergs Stiftelse
- Centre National de la Recherche Scientifique
- Horizon 2020 Framework Programme
- European Research Council
- GSI Helmholtzzentrum für Schwerionenforschung
- Institut National de Physique Nucléaire et de Physique des Particules