Exotic Shapes and High Spin physics with Intense Stable Beams.

Slides:

Advertisements

Similar presentations

Future prospects and needs for nuclear structure studies with higher intensity stable beams F. Azaiez (IPN-Orsay) NUPECC Meeting – Frascati ( december.

Advertisements

N. Pietralla and K. Sonnabend for the SFB 634

Kerstin Sonnabend, IKP, TU Darmstadt S-DALINAC - Nuclear Astrophysics Nuclear Astrophysics at the Darmstadt superconducting electron linear accelerator.

Decay- and in-beam spectroscopy of heavy nuclei at the proton dripline Triple-shape coexistence.

Future prospects and needs for nuclear structure studies with high intensity stable beams.

Some (more) Nuclear Structure

LoI Relativistic Coulomb M1 excitation of neutron-rich 85 Br N. Pietralla G. Rainovski J. Gerl D. Jenkins.

Advanced GAmma Tracking Array

Daisuke Kameda BigRIPS team, RIKEN Nishina Center

Shell model studies along the N~126 line Zsolt Podolyák.

Initial Science Case For GRETINA at ATLAS M.P. Carpenter Physics Division, Argonne National Laboratory ANL Gretina Workshop March 1, 2013.

Alpha Stucture of 12 B Studied by Elastic Scattering of 8 Li Excyt Beam on 4 He Thick Target M.G. Pellegriti Laboratori Nazionali del Sud – INFN Dipartimento.

Γ spectroscopy of neutron-rich 95,96 Rb nuclei by the incomplete fusion reaction of 94 Kr on 7 Li Simone Bottoni University of Milan Mini Workshop 1°-

From Magic 208 Pb to the 170 Dy Mid-Shell Paddy Regan WNSL, Yale University, New Haven, CT and Dept. of Physics, University of Surrey, UK

Oslo-07-TD Landscapes and fluctuations of two-dimensional rotational  - spectra – coupling between rotational and thermal motion Rare earth nuclei p resolved.

Proton Inelastic Scattering on Island-of-Inversion Nuclei Shin’ichiro Michimasa (CNS, Univ. of Tokyo) Phy. Rev. C 89, (2014)

The Collective Model Aard Keimpema.

Search for Triaxial Deformation in Neutron-Rich Mo/Ru Nuclei Daryl Hartley US Naval Academy Support from the National Science Foundation is Gratefully.

High spin states in 136,137 La, 148 Ce and 105 Mo.

Relativistic Coulomb excitation of nuclei near 100 Sn C.Fahlander, J. Eckman, M. Mineva, D. Rudolph, Dept. Phys., Lund University, Sweden M.G., A.Banu,

University of Brighton 30 March 2004RISING stopped beam physics workshop Microsecond isomers in A~110 nuclei Few nuclei have oblate ground states (~86%

218 Po ‘ 218 Po =Radium A’ ‘ 218 At =Radium B’ C D E 210 Po =Radium ‘F’ Radon =‘Emanation’ ‘Radium’ C’ C’’ The Natural Decay Chain for 238 U Aside: information.

Superheavy Element Studies Sub-task members: Paul GreenleesJyväskylä Rodi Herzberg, Peter Butler, RDPLiverpool Christophe TheisenCEA Saclay Fritz HessbergerGSI.

Proton and Two-Proton Decay of a High-Spin Isomer in 94 Ag Ernst ROECKL GSI Darmstadt and Warsaw University.

Workshop on Physics on Nuclei at Extremes, Tokyo Institute of Technology, Institute for Nuclear Research and Nuclear Energy Bulgarian Academy.

N. Redon AW Uppsala July Proposal for a commissioning experiment with the AGATA Demonstrator Proposal for a commissioning experiment with the AGATA.

Dinuclear system model in nuclear structure and reactions.

Reiner Krücken - Yale University Reiner Krücken Wright Nuclear Structure Laboratory Yale University Why do we measure lifetimes ? The recoil-distance method.

The stability of triaxial superdeformed shape in odd-odd Lu isotopes Tu Ya.

5. Exotic modes of nuclear rotation Tilted Axis Cranking -TAC.

Research activities of ATOMKI at former LSF IReS Strasbourg High-spin states J Timár, ATOMKI, Debrecen Prague 2007.

Study Of Nuclei at High Angular Momentum – Day 1 Michael P. Carpenter Nuclear Physics School, Goa, India Nov. 9-17, 2011 Outline 1)Introduction 2)Producing.

1 undressing (to fiddle the decay probability) keV gamma E0, 0 + ->0 + e - conversion decay E x =509 keV, T 1/2 ~20 ns Fully stripping.

Neutron transfer reactions at large internuclear distances studied with the PRISMA spectrometer and the AGATA demonstrator.

Search for two-phonon octupole excitations in 146 Gd Energy Postgraduate Conference 2013 University of Zululand/ University of the Western Cape Nontobeko.

High-spin structures in the 159 Lu nucleus Jilin University, China Institute of Atomic Energy 李聪博 The 13th National Nuclear Structure Conference of China.

Search for the Exotic Wobbling Mode in 171 Re MIDN 1/C Eowyn Pedicini, USN Advisers: Professor Daryl Hartley LT Brian Cummings, USN.

Anti-neutrinos Spectra from Nuclear Reactors Alejandro Sonzogni National Nuclear Data Center.

Nuclear Structure studies using fast radioactive beams J. Gerl SNP2008 July Ohio University, Athens Ohio USA –The RISING experiment –Relativistic.

1 Reaction Mechanisms with low energy RIBs: limits and perspectives Alessia Di Pietro INFN-Laboratori Nazionali del Sud.

Low-lying dipole strength in unstable nuclei. References: N. Ryezayeva et al., Phys. Rev. Lett. 89 (2002) P. Adrich, A. Kimkiewicz et al., Phys.Rev.

Wolfram KORTEN 1 Euroschool Leuven – September 2009 Coulomb excitation with radioactive ion beams Motivation and introduction Theoretical aspects of Coulomb.

Pygmy Dipole Resonance in 64Fe

Proton emission from deformed rare earth nuclei: A possible AIDA physics campaign Paul Sapple PRESPEC Decay Physics Workshop Brighton 12 January 2011.

Core-excited states in 101 Sn Darek Seweryniak, ANL GS/FMA collaboration.

Spontaneous symmetry breaking and rotational bands S. Frauendorf Department of Physics University of Notre Dame.

Doppler-Shift Lifetime Measurements - The Yale Plunger -

RNB Cortina d’Ampezzo, July 3th – 7th 2006 Elisa Rapisarda Università degli studi di Catania E.Rapisarda for the Diproton collaboration 18 *

 2-proton emission  experimental set-up  decay results  2p emission from 45 Fe  perspectives Jérôme Giovinazzo – CEN Bordeaux-Gradignan – France PROCON’03.

W. Nazarewicz. Limit of stability for heavy nuclei Meitner & Frisch (1939): Nucleus is like liquid drop For Z>100: repulsive Coulomb force stronger than.

Search for chiral doublet structures in odd-A 79 Kr with the Hyperball2 CYRIC CYRIC/Tohoku University J.Timar ATOMKI (Hungary) K. Starosta (MSU)

NS08 MSU, June 3rd – 6th 2008 Elisa Rapisarda Università degli studi di Catania E.Rapisarda 18 2.

Protons Neutrons Nuclear structure at finite temperature probed by the Giant Dipole Resonance G. Benzoni, O. Wieland, A. Bracco, N. Blasi, F. Camera, F.

A close up of the spinning nucleus S. Frauendorf Department of Physics University of Notre Dame, USA IKH, Forschungszentrum Rossendorf Dresden, Germany.

Nuclear Spectrcosopy in Exotic Nuclei Paddy Regan Dept,. Of Physics University of Surrey, Guildford, UK

Beta decay around 64 Cr GANIL, March 25 th V 63 V 64 V 60 V 61 V 63 Cr 64 Cr 65 Cr 61 Cr 62 Cr 60 Cr 64 Mn 65 Mn 66 Mn 65 Fe 67 Fe 1) 2 + in 64.

Héloïse Goutte CERN Summer student program 2009 Introduction to Nuclear physics; The nucleus a complex system Héloïse Goutte CEA, DAM, DIF

Observation of new neutron-deficient multinucleon transfer reactions

Adam Maj IFJ PAN Krakow Search for Pigmy Dipole Resonance in 68 Ni RISING experiment in GSI EWON Meeting Prague, May, 2007.

SuperCHICO; a 4π heavy-ion detector C.Y. Wu and D. Cline An arsenal of auxiliary charged-particle detectors must be an integral component of GRETA in order.

Exotic Nuclear Shapes Probing the limits of nuclear stability

g-ray spectroscopy of the sd-shell hypernuclei

Dimitar Tonev, Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences Lifetime measurements in mass regions A=100 and A=130 as.

Workshop Spiral II - Caen 4-6th October 2005

The role of isospin symmetry in medium-mass N ~ Z nuclei

Isospin Symmetry test on the semimagic 44Cr

Feeding of low-energy structures with different deformations by the GDR decay: the nuBall array coupled to PARIS M. Kmiecik, A. Maj, B. Fornal, P. Bednarczyk.

High spin physics- achievements and perspectives

clustering : deterministic annealing filter (DAF)

Nuclei at the Extremes of Spin: The Superdeformed Bands in 131,132Ce

Presentation transcript:

Exotic Shapes and High Spin physics with Intense Stable Beams

Shell structure far from spherical magic numbers Which is the adopted deformation and how it changes with spin and energy ? What are the active orbitals and their correlations ? How is spin generated ? How much spin can the nucleus sustain ?

Superdeformed world = more than 250 SD rotational bands Octupole vibrations Gyromagnetic factors Triaxial bands + wobbling Band termination Particle decay Large Shell Model calculations SD binding energies

Jacobi shape transition Rotational damping Hyperdeformation Chaos Assisted tunneling superdeformation fission SPIN ENERGY GDR Tetrahedral nuclei A domain rich of new exotic phenomena to be discovered and studied HIGH L

HLHD Experiment EUROBALL: 64 Ni + 64 Ni 261 MeV: 52 keV ridge appears 4 x 52 keV Int.: 993 Int.: 1367 Ridge intensity ~5 x 10 -5

Search for discrete-line HD spectra Euroball, ) E ( ~ 52 keV A strange feeling of déjà vu

Triaxiality and Wobbling TSD4 TSD1 TSD2 TSD3 Relative population TSD1:10% TSD2:3% TSD3:1.2% TSD4:0.9% Experimental results in 163 Lu The best Wobbler D.R. Jensen et al., Phys. Rev. Lett. 89 (2002),

I=0 I=25 I=27 I=34 Looking for Jacoby shape transition spin OblateProlate

Gates: Time of Flight Residues nuclei ( 42 Ca) Low energy multiplicity Theory: (Jacoby shape transition) LSD model + Coriolis Splitting A. Maj et al. Nucl. Phys. A731 (2004) 319

Fusion evaporation reactions I beam ~ p/s Limitation: counting rate in the Germanium detectors and/or common acquisition dead-time Resolving power ~ Limitation: current arrays (5-10 pnA) High spin states populated in Fighting to observe VERY WEAK signals…

Gamma-ray Detector Development Advances in detector technology have resulted in new discoveries. Innovations have improved detector performance. –Energy resolution –Efficiency –Peak-to-total ratio –Position resolution –Directional information –Polarization –Auxiliary detectors Tracking is feasible, will provide new opportunities and meet the challenges of new facilities. Central Role in Nuclear Physics

high granularity + digital electronics AGATA will be able to handle 10 – 100 times more beam Advanced GAmma Tracking Array N evt = N p x N t x x d