Deciphering nuclear phenomenology across energy scales

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20-23 September 2022

 

PROGRAM  ESNTprogram19Sept2022DefVf.pdf

 

Deciphering nuclear phenomenology across energy scales

Organizers: G. Giacalone (Univ. Heidelberg, contact), J.-Y. Ollitrault (CEA IPhT), You Zhou (N. Bohr Institute)

 

 

The plan is to have 4 days of intense discussions among experts (both theorists and experimentalists) from the high and low-energy nuclear communities to achieve the following goals :

1. Reviewing the variety of deformation effects (static deformation versus shape fluctuations, shape coexistence, shape changes when exciting nuclei...) observed in low-energy experiments, their imprint on observable phenomena in low-energy nuclear structure and reactions, and the types of deformation that are deduced from the data (axial, non-axial, octupolarity, hexadecapolarity...).
2. Reviewing the status of the manifestations of nuclear structure at high-energy colliders, what phenomena are deduced from such data (e.g. deformations, neutron-skin...), and how nuclear structure effects are modeled in theoretical calculations.
3. Pointing out important conceptual issues centred around the question : are high-energy and low-energy experiments observing the manifestation of the same thing ?
4. Identifying information from potential new low-energy experiments that may help explain high-energy data (e.g. recent evidence of deformation in collisions of ⁹⁶Zr and ⁹⁶Ru nuclei), and, conversely, assessing whether the great flexibility of high-energy experiments may be used to probe phenomena difficult to access via spectroscopic experiments (e.g. the deformations of any stable odd-mass nucleus, imprint of octupole deformations...).
5. Identifying optimal choices of nuclei that, if collided at high energy, would help make progress in our understanding of nuclear phenomenology across energy scales. 

 

List of talks

 

 

Day 1 – Tuesday 20/09/2022 – Topic: Nuclear deformation across energy scales

 

The importance of nuclear deformation in low-energy nuclear phenomenology and models, Benjamin Bally (ESNT, IRFU, Saclay)

Talk part I + part II (Thursday 22^nd):  TalkESNT_BBally_20_22sept22.pdf

Evidence of nuclear deformation in low-energy experiments : methods, limitations, interpretation, David Verney (IJCLab, Orsay)

TalkESNT_DVerney_20sept22.pdf

 

Evidence of nuclear deformation in high-energy experiments,  Giuliano Giacalone (ITP, Heidelberg) 

TalkESNT_GGiacalone_20sept22.pdf

 

  Discussion: Are we observing the same things ?

 

Day 2 – Wed. 21/09/2022 – Relativistic collisions of isobars : the 2021 breakthrough

 

Overview of nuclear deformation and shape coexistence around 96Zr and 96Ru, Magda Zielinska (IRFU, Saclay)

TalkESNT_MZielinska_21sept22.pdf

 

The isobar collision run at RHIC : a tool for precision studies, Jiangyong Jia (Stony Brook & BNL)

TalkESNT_JiangyongJia_21Sept22p.pdf

 

Precision phenomenology of nuclear structure in high-energy isobar collisions, Wilke van der Schee (CERN TH)

TalkESNT_WvdSchee_21sept22.pdf

 

Discussion: The unreasonable effectiveness of intrinsic nuclear shapes in high-energy collisions

 

 

Day 3 – Thursday 22/09/2022 – Nuclear models across energy scales

 

The Energy Density Functional (EDF), the quantum-number projection technique, Benjamin Bally (ESNT, IRFU, Saclay)

[Talk part II, see file on Monday 20th].

 

Effective theories of QCD for nuclei at low energy, Thomas Duguet (IRFU, Saclay)

TalkESNT_TDuguet_22sept22.pdf

 

Effective theories of QCD for nuclei at high energy, Sören Schlichting (Universitat Bielefeld)

TalkESNT_SoSchlichting_22sept22.pdf

 

 

Discussion: Towards a unified description

 

 

Day 4 – Friday 23/09/2022 –  Future perspectives on nuclear studies at high energy

 

Opportunities for QGP studies from Bayesian analyses with several ions, Matthew Luzum (Universidade de São Paulo)

TalkESNT_MLuzum_23sept22.pdf

 

Overview of nuclear parton distribution functions from LHC to EIC, Petja Paakkinen (University of Jyväskylä)

TalkESNT_PPaakkinen_23Sept22.pdf

 

The nuclear program beyond LHC Run4, Alexander Kalweit (CERN)
TalkESNT_AKalweit_23sept22.pdf

 

 

Discussion: High-energy experiments with several nuclear species

 

 

Schedule 

 

 

	Tue. 20/09	Wed. 21/09	Thu. 22/09	Fri. 23/09
09h-10h30	B. Bally	M. Zielinska	B. Bally	M. Luzum
	Break	Break	Break	Break
10h45-12h15	D. Verney	Jiangyong J.	T. Duguet	P. Paakkinen
12h15-13h30	Lunch	Lunch	Lunch	Lunch
13h30-15h15	G. Giacalone	W. van der Schee	S. Schlichting	A. Kalweit
15h15-16h30	Break Discussions	Break Discussions	Break Discussions	Break Discussions

 

 

 

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