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Title of Journal: Nuov Cim A

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Abbravation: Il Nuovo Cimento A (1965-1970)

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Società Italiana di Fisica

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DOI

10.1016/0022-2860(77)87097-x

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1826-9869

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Dynamical fission and transitional mechanisms in m

Authors: J P Coffin
Publish Date: 2007/10/16
Volume: 81, Issue: 1, Pages: 88-106
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Abstract

The reactions32S+59Co and32S+76Ge were studied in order to contribute to the experimental knowledge on the transitional mechanism in heavyion reactions induced on mediummass nuclei The fissionlike fragments from the two systems were detected as a function of mass bombarding energy and angle The shape and the FWHM of the fragment mass distributions and the crosssections of the fissionlike fragmentation have been investigated The presence of a dynamical fission component for both the processes investigated is shown besides the usual fusionfission components The extra extra push model seems to be the most satisfactory in reproducing the dataSono state studiate le reazioni32S +59Co e32S +76Ge per contribuire alla conoscenza sperimentale del meccanismo di transizione in reazioni a ioni pesanti indotte su nuclei di massa media I frammenti di tipo fissione dai due sistemi sono stati individuati in funzione della massa dell’energia di bombardamento e dell’angolo Sono stati studiati l’andamento e l’FWHM delle distribuzioni di massa dei frammenti e le sezioni d’urto delle frammentazioni di tipo fissione Si mostra la presenza d’una componente dinamica di fissione per entrambi i processi studiati oltre alle consuete componenti fusionefissione Il modello di extra extra push sembra il piú soddisfacente nel riprodurre i dati

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  1. Second-order phase transitions in three dimensions
  2. Projector in constrained quantum dynamics
  3. Pion inclusive distribution at cosmic-ray energies and comparison with ISR data
  4. Analysis of the reaction π + p → ρ 0 Δ ++ at 11.7 GeV/c incident momentum
  5. Primakoff effect and π 0 lifetime
  6. Computation of forward pp dispersion relations
  7. A new approach to heavy-ion fusion
  8. A measurement of the magnetic moment of the Σ + -hyperon
  9. Elastic and inelastic scattering of 0.8 GeV polarized protons from 18 O
  10. Surface waves in pion-proton elastic scattering
  11. A study of two-pion exchange contributions to quasi-elastic scattering at high energies
  12. Discrimination between the standard theory of electroweak interactions and its extensions
  13. Coloured supersymmetry
  14. Three generations and a large top-quark mass
  15. Doppler shift attenuation measurements on 57 Fe and 57 Co
  16. Charge radii of nucleons
  17. Regge poles with kinematic cuts in pion photoproduction
  18. Existence of solutions of partial-wave dispersion relations and singular N/D equations
  19. SU 9 «composite» symmetry and weak interactions
  20. Small-angle scattering and absorption of 3.0 GeV/c antiprotons in nuclear emulsion
  21. The spectrum of b $$\bar c$$ , t $$\bar c$$ and t $$\bar b$$ ; bound states in the two-step potential model
  22. The sequential light-particle emission in peripheral heavy-ion collisions. A theoretical approach
  23. Energy gain of spherical shell targets ablatively imploded by thermal radiation
  24. Finite-energy sum rules on hyperbolas. — II
  25. K X-ray spectrum of Na excited by photons
  26. Singular-value decomposition of the nucleon-nucleon reactance matrix
  27. Inelastic π - 3 He interaction at 180 MeV 3 He interaction at 180 MeV
  28. Mechanism of particle production in nucleon-nucleon interactions at very high energies
  29. 852 keV first-forbidden beta transition in 115 Cd g
  30. Natural orbital calculations of nucleon momentum distributions
  31. A redefinition of quantum-mechanical exchange and Coulomb integrals by a reinterpretation of atomic and molecular orbitals as Taylor expansions of a potential and a similar treatment of the electromagnetic field.
  32. Two-variable crossing-symmetric expansion of the ππ scattering amplitude and low-energy parameter sum rules
  33. Reduction of complex electromagnetic fields to the irreducible representations of the inhomogeneous Lorentz group
  34. Investigation of the 149 Sm (n, α) 146 Nd reaction induced by fast neutrons
  35. Conformal covariance of Dirac-Maxwell and ’t Hooft-Polyakov monopole theories
  36. The $$\bar K$$ N system near thresholdsystem near thresholdСистема $$\bar K$$ N вблиэи порогавблиэи порога
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  39. The pion decay constant as a scale for hadron dynamics
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  46. Baryon properties in chiral models
  47. Nuclear models and the hypernuclear interaction
  48. A χ 2 -test to study the α 1 , α 2 , α 3 convergence for high-precision LEP data, having in mind the SUSY threshold
  49. A study of the low-mass part of the (Kππ) system in the reaction K − p→K − pπ + π − at 8.25 GeV/c
  50. A homological approach to parametric Feynman integrals
  51. Once more on the role of the bound-state wave function in the leptonic decays of light hadrons
  52. Non-regge and hyper-regge effects in pion-nucleon charge exchange scattering at high energies
  53. Direct reconstruction of the pp scattering matrix below 500 MeV, an attempt
  54. Alternative interaction between spinor and Yang-Mills fields
  55. The proton leading-particle spectrum at accelerator energies
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  57. Lifetime of the ∑ − -hyperon
  58. A new approach to conformal invariant field theories
  59. Effective trajectories in the presence of Regge cuts
  60. π—-p interactions at 650 MeV
  61. Composite gauge fields from nonlinear realizations
  62. Approximate saturation of the algebra of axial currents
  63. A general treatment of current algebra
  64. Piecewise analyticity of S -matrix elements and nonlocal interactions
  65. The deck model for nucleon diffraction dissociation at very high energies
  66. Deformation and interaction energies in statistical multifragmentation
  67. Strings and fields
  68. Bound states of the two-dimensional O N model at finite temperatures
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  72. A boundary-condition model for the P 33 pion-nucleon state
  73. O 4 invariance of a Bethe-Salpeter equation
  74. Tests for general models of deep inelastic lepton scattering
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  77. Nonstatistical structures in 12 C( 14 N, 4 He) 22 Na reaction
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  79. Fully-symmetric dual models and Lorentz invariance
  80. A temporarily free SU 6 gauge field theory model for strong interactions
  81. Inclusive and exclusive cross-sections in K − p interactions at 14.3 GeV/c
  82. Parafermion representations of the lie-algebra chain O 7 ⊃ G 2 ⊃ SU 3
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  87. Fundamental coupling for weak interactions and masses
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  89. Distribution of transverse and longitudinal momentum in π−p interactions at 7.0 GeV/c
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  100. Electron form factors up to fourth order. - I
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