SPhN – Service de Physique Nucléaire

NuPECC in Paris - Michel Garçon – March 11, 2011 – 1

SPhN – Service de Physique Nucléaire

Our goal :

to understand all states of strongly interacting matter (partonic, hadronic, nuclear)

and to discover new ones,

while active in key applications of our science.

AGATAALICE GEELCLAS12 COMPASSVAMOS


Research themes at SPhN

Nuclear

structu

re

Nucleo

n stru

cture

with other divisions of Irfu: SEDI, SIS, SACM, SENAC, SPP


SPhN research staff and organization

- 41 physicists active in 7 research groups- 1 physicist on leave at IPNO - 2 physicists as directors- 2 (retired but active !) senior advisors- 15 post-docs- 14 PhD students

CSTS (Scientific and Technical Committee) meets once or twice a year :

- 6 external, appointed members,- 6 internal, elected members,- Head of Irfu and Head of SPhN.


SPhN organization: 4 research themes / 7 groups

M. GarçonF. Auger

2 adm. assistants 2 technicians

also host to ESNT : common structure for nuclear theory within CEA – DSM/Irfu, DAM/SPN and Ganil (no permanent staff)

ALICE / QGP6 physicists

A. Baldisseri

COMPASS8 physicists + 1

F. Kunne

CLAS4 physicists

J. Ball

Hadron Theory1 physicist + 1

P. Guichon

MNM7 physicistsF. Gunsing

Spallation3 physicists

S. Leray

Nuclear Structure12 physicists

W. Korten


M. GarçonF. Auger

ALICE / QGP6 physicists

A. Baldisseri

COMPASS8 physicists + 1

F. Kunne

CLAS4 physicists

J. Ball

Hadron Theory1 physicist + 1

P. Guichon

MNM7 physicistsF. Gunsing

Spallation3 physicists

S. Leray

Nuclear Structure12 physicists

W. Korten

2 adm. assistants 2 technicians

LENAC4 phys. + 3 eng.

+ 1 techn. + 1 adm.V. Blideanu

and soon to incorporate a laboratorywith nuclear expertise

on conception and dismantling

SPhN organization: 4 research themes / 7 groups + 1 lab.


Nuclear structure

Shell evolution toward drip lines

The nucleus and all its shapes

Heavy and superheavy nucleipr

oto n

s

neutrons

+ Nuclear theory

GANIL/SPIRAL SPIRAL2MSU, RIKEN GSI FAIR

GANILJYFL SPIRAL2

GANIL/SPIRALMSU, LNL, GSI SPIRAL2


Nuclear structure : some recent highlights

- ERC starting grant: MINOS (for future expts at RIKEN & GSI) / Alexandre Obertelli

- A good part of the funding for the base spectrometer S3 granted : « Equipex »

- First experiments with AGATA Demonstrator at Legnaro

- 24O studies at RIKEN (inelastic p,p’ with MUST2)

- Collisions of actinides (TDHF) : Lifetime of heaviest nuclear systems available on earth: 2 uranium nuclei in contact during a few zeptosecondes (10-21 s)

- Systematic studies over 500 nuclei with realistic NN + NNN forces (in progress).

preliminary


Nuclear reactions & applications

NeutronsnTOF Cern & IRMM-Geel

Fission at NFS and ILL

Protons and ionsspallation

GSI & modélisation

Photons – PhotoNucRetarded emissions

Bruyères-le-Ch.

Neutrinososcillations, non-proliferation

Double Chooz & Nucifer

γ


Recent highlight with neutrinos

2 highly visible publications from SPhN-SPP-Subatech):- the most « exact » calculations todate of neutrinos

spectra from nuclear reactors arXiv:1101.2663 - consequences for neutrino physics compatible with the

hypothesis of a « sterile » neutrino arXiv:1101.2755

Experimental checks proposed


valence quarks

gluons andsea quarks

10-3 10-1 110-2 x

Hera … EIC/ENC

Compass

JLab

Nucleon Structure : CLAS, COMPASS & LQCD

At stake: Quarks and gluons in the nucleon,Origin of hadron mass and spin(Generalized) parton distributionsUnderstanding confinement


Nucleon Structure : some recent highlights

- COMPASS proposal approved by SPSC, 5-year plan endorsed by Cern Reseach Board: DVCS/GPD, Drell-Yan, …- Fabienne Kunne new co-spokesperson of COMPASS- Increased precision on spin structure functions → better determination of polarized parton distributions Δu, Δd, … → indirect constraints on ΔG - COMPASS and RHIC agree for a small value of ΔG

- Original Micromegas cylindrical tracker under construction for CLAS12

- CLAS, COMPASS, Global DVCS analyses within HP3

- (Modest) GPU cluster installed for specific LQCDcalculations (ETMC collaboration).


Irfu concentrates on muon spectrometer: study of heavy quarkonia (J/Ψ, Υ, …) formation and attenuation in dense matter

From proton-proton to lead-lead collisions

Di-muons invariant mass

Evénement dimuon à √s = 7 TeV

QGP & ALICE


• Nuclear expertise in conception and dismantling• SPhN increases the span of its activities,

reaching over fundamental research to engineered applications of nuclear physics

SPhN towards its fifth dimension: Lenac

Reactor dismantling in Cadarache

S3 beam dump activation

Commercial cyclotron for medicine

Acceleration by laser


SPhN at Irfu (CEA-Saclay)

- Present and active on (nearly) all main sub-fields of our discipline

- Key role of our physicists in various collaborations

- Synergy with engineers and technicians at Irfu allows for significant impact on hardware and software projects.

- Open to key applications of our science (nuclear energy and engineering, space, medicine,…)

- Though not formally connected to universities (and « Grandes Ecoles »), involved in teaching and lab training of students

- Communication at large (exchange between journalists and physicists, film under preparation at DSM,…)


Irfu: the largest institute of CEACEA

~15 000

Matter Sciences

Irfu~ 630

Nuclear EnergyDefense Technology Life

Sciences


Irfu: research & technology CEA

~15 000

Matter Sciences

Irfu~ 630

Nuclear EnergyDefense Technology

IFMIF EVEDA

Particle Physics

Nuclear Physics

AstrophysicsSpace technologies

Accelerators, SC Magnets

Systems engineering

Detectors, electronics, computing

Nuclear expertise 0 20 40m

Ion SourceRFQ

Li Target

High Energy BeamTransport

Li Loop

Test modules insideTest Cell

PIE Facilities

Institute of Research into the Fundamental laws of Universe

Life Sciences

SPhN – Service de Physique Nucléaire

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