Nuclear excitations and resonances
18-22 November 2024
PROGRAM 
ProgESNTresonances2024.pdf
What’s new in the calculations of the nuclear excitations and multipole resonances ?
Organizers: Andrea Porro (TU Darmstadt, contact), Mikael Frosini (CEA DES, contact), Sophie Péru (CEA DAM DIF, contact),
contact: see e-mails in the program file
The main goals of the workshop are:
1. Providing a comprehensive overview of state-of-the-art microscopic models that describe collective modes in finite nuclei and their practical applications.
2. Identifying the quantities that can be evaluated using a diverse array of models and experimental data.
3. Exploring renewed theoretical interest in describing multi-phonon resonances and their experimental manifestations.
4. Facilitating discussions among participants employing different formalisms or frameworks capable of calculating specific quantities in the same system and comparing results.
The overarching goal is to foster the creation of a theoretical network equipped to address the needs of the experimental community.
Format of the workshop: The morning sessions will feature comprehensive review lectures, while the afternoons will pivot towards roundtable discussions centered on technical nuances or specific phenomena.
Talks
Introductory lectures on experimental and historical aspects
• Yorick Blumenfeld, IJCLab Orsay,
Giant Multipole Resonances: A chapter in the history of experimental nuclear physics
• Gianluca Colò, Università degli Studi di Milano,
Historical introduction on the theoretical description of multipole resonances and open issues
• Marine Vandebrouck, CEA Saclay,
Probing Giant Multipole Resonances today: precision in stable nuclei and new phenomena in unstable ones
Lectures on theoretical methods
• Danilo Gambacurta, INFN Catania,
The second RPA and its connection to collective states and multiphonons
• Denis Lacroix, IJCLab Orsay,
Time-dependent microscopic description of collective nuclear excitations
• Sophie Péru, CEA Bruyères-le-Châtel,
QRPA for deformed and odd nuclei study and systematic calculations
• Tomàs Rodriguez, Universidad Complutense de Madrid,
The PGCM and its connection to collective states and resonances
• Kamila Sieja, IPHC Strasbourg,
Configuration Interaction Shell Model: applications to dipole excitations of atomic nuclei
Lectures on applications
• Stéphane Goriely, Université Libre de Bruxelles,
Level densities and photon strength functions and their impact in astrophysics
• Stéphane Hilaire, CEA Bruyères-le-Châtel,
Collective excitations and the calculation of level densities and photon strength functions
Round tables on specific aspects, topic and chairperson
• Mikael Frosini, CEA Cadarache,
Electric versus magnetic modes and pertinence to describe low energy collective state
• Laurent Gaudefroy, CEA Bruyères-le-Châtel,
Experimental setup for gamma strength function measurement
• Sophie Péru, CEA Bruyères-le-Châtel,
Decaying operator and how to include the experiment kinematic in theoretical interpretation of multipolar resonances measurements
• Andrea Porro, Technische Universität Darmstadt,
Double and multi-phonon states and how to describe and/or identifying them
Technical talks animating the round tables
• Lysandra Batail, Université Libre de Bruxelles,
Monopole operators as a function of the excitation energy
• Stavros Bofos, CEA Cadarache,
Magnetic collective state in the PGCM/Shell Model hybrid approach
• Mikael Frosini, CEA Cadarache,
Individual mode extraction within Finite Amplitude Method
• Luis Gonzáles-Miret, CEA Bruyères-le-Châtel,
Comparison of QFAM RPA strength function from different interactions
• Andrea Porro, Technische Universität Darmstadt,
Description of multi-phonon states using ab initio PGCM calculations
Preliminary Schedule -18-22 November - b.703, 135
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Monday 18
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Tuesday 19 |
Wednesday 20 |
Thursday 21
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Friday 22 |
|
| 9h15 | Welcome | ||||
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9h30 |
Y. Blumenfeld | G. Colò | L. Rodriguez | D. Lacroix | S. Goriely |
| 10h30 | Break | Break | Break | Break | Break |
| 11h | M. Vandebrouck | S. Péru | K. Sieja | D. Gambacurta | S. Hilaire |
| 12h30 | Lunch |
Lunch |
Lunch |
Lunch | Lunch |
| 14h | L. Gaudefroy | L. Gonzales | S. Bofos | A. Porro | END |
| 15h | Round table | L. Batail | Round table | Round table |
|
| Discussions | Discussions |
Discussions |
Discussions | ||
| 16h30 | End |
End |
End |
End |
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