| Issue |
EPJ Web of Conferences
Volume 95, 2015
3rd International Conference on New Frontiers in Physics
|
|
|---|---|---|
| Article Number | 04035 | |
| Number of page(s) | 7 | |
| Section | Parallel | |
| DOI | https://doi.org/10.1051/epjconf/20159504035 | |
| Published online | 29 May 2015 | |
https://doi.org/10.1051/epjconf/20159504035
Small-angle fragmentation of carbon ions at 0.6 GeV/n: a comparison with models of ion-ion interactions
1 Institute for Theoretical and Experimental Physics (ITEP), Moscow, 117218, Russia
2 Los Alamos National Laboratory (LANL), Los Alamos, NM 87545, USA
a e-mail: Anna.Krutenkova@itep.ru
Published online: 29 May 2015
Momentum distributions of hydrogen and helium isotopes from 12C fragmentation at 3.5° were measured at 0.6 GeV/nucleon in the FRAGM experiment at ITEP TWA heavy ion accelerator. The fragments were selected by correlated time of flight and dE/dx measurements with a magnetic spectrometer with scintillation counters. The main attention was drawn to the high momentum region where the fragment velocity exceeds the velocity of the projectile nucleus. The momentum spectra of fragments span the region of the fragmentation peak as well as the cumulative region. The differential cross sections cover six orders of magnitude. The distributions measured are compared to the predictions of three ion-ion interaction models: BC, QMD and LAQGSM03.03. The kinetic energy spectra of fragments in the projectile rest frame have an exponential shape with two temperatures, being defined by their slope parameters.
© Owned by the authors, published by EDP Sciences, 2015
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