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Sequential and simultaneous emission of fragments from p+Al collisions | | M.Fidelus
; D.Filges
; F. Goldenbaum
; H.Hodde
; A.Jany
; L.Jarczyk
; B.Kamys
; M.Kistryn
; St.Kistryn
; St.Kliczewski
; E.Kozik
; P.Kulessa
; H.Machner
; A.Magiera
; B.Piskor-Ignatowicz
; K.Pysz
; Z.Rudy
; Sushil K.Sharma
; R.Siudak
; M.Wojciechowski
; | | Date: |
14 Sep 2011 | | Abstract: | The energy and angular dependencies of double differential cross sections
d^2sigma/dOmegadE were measured for p,d,t,^{3,4,6}He,^{6,7,8}Li,{7,9,10}Be, and
^{10,11,12}B produced in collisions of 1.2, 1.9, and 2.5 GeV protons with an Al
target. The spectra and angular distributions of Li, Be, and B isotopes
indicate a presence of two contributions: an isotropic, low energy one which is
attributed to the evaporation of particles from excited remnants of the
intranuclear cascade, and an anisotropic part which is interpreted to be due to
multifragmentation of the remnants. It was found that such a hypothesis leads
to very good description of spectra and angular distributions of all
intermediate mass fragments (^6He-^{12}B) using the critical value of the
excitation energy per nucleon as a single parameter, varying slowly with the
beam energy. | | Source: | arXiv, 1109.3043 | | Services: | Forum | Review | PDF | Favorites | |
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