Nuclear Fragmentation Reactions from Research to Applications

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Evaporation/fission of compound nucleus t=0 fm/c p A CN low excitation � � �0 t>1000 fm/c fission Compound Nucleus (CN) is an equilibrated hot nucleus whose excitation energy is distributed over many microscopic d.o.f. (introduced by Niels Bohr in 1936-39) Sequential evaporation model—Weiskopf 1937, Statistical fission model—Bohr-Wheeler 1939, Frenkel 1939
Nuclear break-up: multifragmentation t=0 fm/c p pA collision A peripheral AA collision A A , moderate excitation � � P � 0 0 slow expansion � t>100 fm/c equilibrated system at freeze-out Power-low fragment mass distribution around critical point, Y(A)~A -τ Can be well understood within an equilibrium statistical approach Early 80s: Randrup&Koonin, D.H.E. Gross et al, Bondorf-Mishustin-Botvina, Hahn&Stoecker; Later: S. Das Gupta et al., Gulminelli et al, Raduta et al,...
Page 1 and 2: NUFRA2011, Kemer, Turkey, October 2
Page 3 and 4: Centenary of Nuclear Physics Planet
Page 5: Anticipation of nuclear “explosio
Page 9 and 10: We with Jakob Bondorf started our t
Page 11 and 12: Part 1.1: Statistical description o
Page 13 and 14: SMM: “micro-canonical” ensemble
Page 15 and 16: Exact formula derived by Ramanajan
Page 17 and 18: Multifragmentation of relativistic
Page 19 and 20: Isoscaling and symmetry energy ALAD
Page 21 and 22: Liquid-gas phase transition in nucl
Page 23 and 24: Nuclear caloric curve Predicted in
Page 25 and 26: Bragg discovery in 1904 �W.H. Bra
Page 27 and 28: Ions can deliver significant fracti
Page 29 and 30: Ion-beam cancer therapy short histo
Page 31 and 32: Part 2.2: Cancer therapy with heavy
Page 33 and 34: 12 C nuclei fragmentation in tissue
Page 35 and 36: MCHIT simulation: importance of nuc
Page 37 and 38: Secondary fragments: models at work
Page 39 and 40: Secondary neutrons in 12 C therapy
Page 41 and 42: RBE Radiation effects on bio-molecu
Page 43 and 44: Part 2.3: Transmutation of radio- a
Page 45 and 46: Monte Carlo model for Accelerator D
Page 47 and 48: Neutron interactions in W target al
Page 49 and 50: Conditions in a fissile target (U)
Page 51 and 52: � proton accelerator of 600 MeV (
Page 53 and 54: Simulations of the initial stage: f
Page 55: Gantry Heidelberg Ion-Therapy Cente

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