Probing nuclear structure with beta-decay energy spectra
7-10 July 2025
PROGRAM 
ProgramESNTBetaDecay2025.pdf
Probing nuclear structure with beta-decay energy spectra, present and near future state
Organizers: B. Charles Rasco (ORNL), X. Mougeot (CEA-LIST, LNHB, contact [at] cea.fr )
The main goals of the workshop are:
1. To allow experimental and theoretical beta-decay experts to discuss and exchange their approaches on different models, limits, and possible improvements thereof.
2. To decide on common actions such as comparing analysis approaches of the same experimental dataset, and comparing theoretical predictions on parts of the nuclear structure models.
3. To list priority nuclei and transitions for common studies, focusing on those with possible high impact on related fields.
4. Ultimately, to agree in the community on a robust procedure to improve nuclear structure models with experimental information from b-decay energy spectra.
This workshop is seen as the first of several workshops as it is anticipated that reaching these lofty goals will likely require several years and several workshops.
List of participants/ speakers
Monday 7th - Precision weak interaction studies Precision and accuracy of current measurements (or lack thereof)
Opening X. Mougeot (CEA LIST LNHB) & B.C. Rasco (ORNL)
O. Naviliat-Cuncic (FRIB-IRL-MSU) I. Beta decay within and beyond the Standard Model
O. Naviliat-Cuncic (FRIB-IRL-MSU) II. Searches for tensor-type interactions in beta decay
B. C. Rasco (ORNL) The dominant corrections in beta decay
L. Jokiniemi (TRIUMF) Ab initio calculations on beta decays for beyond-standard-model studies
P. A. Hervieux (IPCCMS, Univ. Strasbourg) Influence of atomic modeling and chemical environment on electron capture decay
Tuesday 8th - Nuclear Structure Influences on Beta Decay
M. Loidl (CEA LIST LNHB) Beta-decay with microcalorimetry measurements (241Pu, 63Ni, 14C, 99Tc, 129I, 36Cl)
X. Mougeot (CEA) Beta spectrum calculations with the nuclear shell model
S. Péru (CEA DAM DIF) Charge exchange QRPA using Gogny interaction for nuclear structure studies
G.-B. Kim (LLNL) 241Pu Beta Spectrum Measurement with Magnetic Microcalorimeters and a New Approach for Low Energy Rate Estimation down to 0.0 eV
G. de Gregorio (INFN, Napoli) Beta decay calculations within the realistic shell model
A. Glick-Magid (INT, Univ. of Washington) Unique forbidden transitions for precision weak interaction studies
Wednesday 9th - Nuclear Structure Influences on Beta Decay
E. Cantacuzene (IJCLab) Nuclear structure beyond the neutron threshold in the N=50 region from beta-decay experiments at ALTO
B.C. Rasco (ORNL) Isolating individual beta transitions in complex beta decay
A. Algora (IFIC Univ. of Valencia) TAGS measurements in Jyvaskyla
J. Menéndez (ICC Barcelona) Double-beta decay electron spectra: theory confronts experiment
A. Andreyev (Univ. of York) Selected examples of beta-decay studies of Hg-Fr isotopes at the ISOLDE Decay Station
Thursday 10th
G. Alcalá (IFIC, University of Valencia) Beta Decay Spectra Measurements for the Study of Reactor Antineutrino Spectra
Program
Talks (35'+10' questions)
|
Monday 7th July |
Tuesday 8 |
Wednesday 9 |
Thursday 10 |
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|
9h30 OPENING |
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|
9h30 |
O. Naviliat I | M. Loidl | E. Cantacuzene |
9h30-10h G. Alcalà |
| 10h30 | Break | Break | Break |
Break |
| 11h | B.C. Rasco | X. Mougeot |
Seminar B.C. Rasco |
Discussions Working group |
| 11h45 |
O. Naviliat II |
S. Péru | ||
| 12h30 | Lunch |
Lunch |
12h15 Lunch |
Lunch |
| 14h15 | L. Jokiniemi | G. B. Kim | A. Algora | End |
| 15h | P.A. Hervieux | G. de Gregorio | J. Menéndez | |
| 15h45 | Break | Break | Break | |
| 16h15 | Discussions | A. Glick-Magid | A. Andreyev | |
| 16h50 | Discussions | Discussions |
Discussions |
|
| ~17h30 | End |
End |
End |
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