Giant Dipole Resonance â tool for hot nuclei studies Giant Dipole ...

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New very efficient high-energy γ-ray detector PARIS desing concepts: - high efficiency detector consisting of phoswich detectors for medium resolution spectroscopy and calorimetry of γ rays in large energy range Phoswich detector will consit of new LaBr 3 (Ce) 5 x 5 cm crystals and conventional crystals NaI. The first stage will be the prototype made of 9 phoswich detectors. prototype PARIS will be used as a high and low-energy photon deterctor, multiplicity filter of high resolution and sum-energy detector (calorimeter), It will be mechanically compatible with other detectors: e. g. AGATA, GASPARD Maria Kmiecik International Workshop on Acceleration and Applications of Heavy Ions, Warszawa 2011
Summary The GDR strength functions (lineshape) measurements deliver information on properties of nucleus (at ground and exited state) At given temperature the shape of the nucleus is described by the shape distribution The deformation of nucleus increases with spin due to increase of angular momentum and it is larger for higher rotational frequency The thermal shape fluctuations are important in describing shapes of nuclei as a function of temperature At high temperatures the CN life time has to be taken into account The GDR can be built on superdeformed structure, and low energy component feeds the highly deformed states. The GDR spectra measurements provide information about isospin mixing coefficient Perspectives for future investigations concern Jacobi and Poincare shape transitions at new facilities with radioactive beams The new, very efficient detector PARIS is developed Maria Kmiecik International Workshop on Acceleration and Applications of Heavy Ions, Warszawa 2011
Page 1 and 2: Giant Dipole Resonance - tool for h
Page 3 and 4: Giant Nuclear Resonances Collectiv
Page 5 and 6: Electric Giant Resonances Isoscalar
Page 7 and 8: Ground state GDR σ(E γ ) Photoabs
Page 9 and 10: GDR in excited nuclei GDR can be bu
Page 11 and 12: Decay of compound nucleus E * [MeV]
Page 13 and 14: Extraction of GDR parameters 10 2
Page 15 and 16: Thermal shape fluctuations P( β ,
Page 17 and 18: Measurements EB IV + HECTOR + EUCLI
Page 19 and 20: GDR width Γ and deformation parame
Page 21 and 22: The GDR width at finite temperature
Page 23 and 24: The temperature evolution of GDR wi
Page 25 and 26: The GARFIELD+HECTOR experiment (γ
Page 27 and 28: Theoretical shapes of rotating grav
Page 29 and 30: Jacobi shape transition - theoretic
Page 31 and 32: First signatures of Jacobi shape tr
Page 33 and 34: Coriolis splitting of the GDR compo
Page 35 and 36: GDR built on superdeformed nucleus
Page 37 and 38: GDR built on superdeformed nucleus
Page 39 and 40: Search for highly deformed states i
Page 41 and 42: GDR studies in Warszawa JANOSIK se
Page 43 and 44: Isospin mixing studied by HECTOR co
Page 45 and 46: Theoretical predictions for Jacobi
Page 47: Poincare shapes investigations Poin

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