Physics Research International

Volume 2011, Article ID 128429, 12 pages

http://dx.doi.org/10.1155/2011/128429

## Neutron Production in Thick Targets Irradiated with High-Energy Ions

^{1}Institute of Nuclear Science, School of Physics, University of Sydney, Sydney, NSW 2006, Australia^{2}Physics Department, Aristotle University, 54124 Thessaloniki, Greece^{3}Joint Institute for Nuclear Research, 141980 Dubna, Russia^{4}Fachbereich Chemie, Philipps Universität, 35032 Marburg, Germany^{5}Institut für Materialwissenschaften, Technische Universität Darmstadt, 64287 Darmstadt, Germany^{6}Forschungszentrum Jülich GmbH, 52425 Jülich, Germany^{7}Dr. Westmeier GmbH, 35085 Ebsdorfergrund, Germany

Received 18 April 2011; Accepted 12 July 2011

Academic Editor: Ali Hussain Reshak

Copyright © 2011 S. R. Hashemi-Nezhad et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

#### Linked References

- R. Brandt, V. A. Ditlov, K. K. Dwivedi et al., “Interactions of relativistic heavy ions in thick heavy element targets and some unresolved problems,”
*Physics of Elementary Particles and Nuclei*, vol. 39, no. 2, pp. 507–526, 2008. View at Google Scholar - R. Brandt, V. A. Ditlov, K. K. Dwivedi et al., “Interactions of relativistic heavy ions in thick heavy element targets and some unresolved problems,”
*Physics of Particles and Nuclei*, vol. 39, no. 2, pp. 259–285, 2008. View at Google Scholar - O. Yordanov, K. Gunzert-Marx, P. Adrich et al., “Neutron yields from 1 GeV/nucleon ${}^{\text{238}}\text{U}$
ion beams on Fe target,”
*Nuclear Instruments and Methods in Physics Research, Section B*, vol. 240, no. 4, pp. 863–870, 2005. View at Publisher · View at Google Scholar · View at Scopus - W. Westmeier, R. Brandt, S. R. Hashemi-Nezhad et al.,
*Physics of Elementary Particles and Nuclei*. In press. - D. B. Pelowitz, J. S. Hendricks, J. W. Durkee et al., Report LA-UR-08-071822, Los Alamos National Laboratory, 2008.
- M. Fragopoulou, S. Stoulos, M. Manolopoulou, M. Krivopustov, and M. Zamani, “Dose measurements around spallation neutron sources,”
*Radiation Protection Dosimetry*, vol. 132, no. 3, pp. 277–282, 2008. View at Publisher · View at Google Scholar · View at PubMed - M. Ochs, I. G. Abdullaev, I. Adam et al., “SSNTD and radiochemical studies on the transmutation of nuclei using relativistic ions,”
*Radiation Measurements*, vol. 28, no. 1–6, pp. 255–268, 1997. View at Google Scholar - J. Adam, J. C. Adloff, A. Balabekyan et al., “Transmutation of ${}^{\text{239}}\text{Pu}$
and other nuclides using spallation neutrons produced by relativistic protons reacting with massive U- and Pb-targets,”
*Radiochimica Acta*, vol. 90, no. 8, pp. 431–442, 2002. View at Google Scholar - W. Westmeier, R. Brandt, E.-J. Langrock et al., “Transmutation experiments on ${}^{\text{129}}\text{I}$
, ${}^{\text{139}}\text{La}$
and ${}^{\text{237}}\text{Np}$
using the Nuclotron accelerator,”
*Radiochimica Acta*, vol. 93, no. 2, pp. 65–73, 2005. View at Publisher · View at Google Scholar - J.-S. Wan, Th. Schmidt, E.-J. Langrock et al., “Transmutation of ${}^{\text{129}}\text{I}$ and ${}^{\text{237}}\text{Np}$ using spallation neutrons produced by 1.5, 3.7 and 7.4 GeV protons,”
*Nuclear Instruments and Methods in Physics Research, Section A*, vol. 463, no. 3, pp. 634–652, 2001. View at Publisher · View at Google Scholar - R. G. Vasil'kov, Y. M. Chirkin, and N. S. Myzin, “Neutron yield from a massive lead target under the action of relativistic light ions,”
*Atomnaya Energiya*, vol. 79, no. 4, pp. 257–264, 1995 (Russian). View at Google Scholar - V. I. Yurevich, R. M. Yakovlev, R. G. Vassilkov, V. A. Nikolaev, V. G. Lyapin, and I. O. Tsvetkov, “Production and multiplication of neutrons in lead targets induced by protons above 1 GeV,”
*Nuclear Instruments and Methods in Physics Research, Section A*, vol. 562, no. 2, pp. 747–749, 2006. View at Publisher · View at Google Scholar - M. I. Krivopustov, D. Chultem, J. Adam et al., “First experiments with a large uranium blanket within the installation "energy plus transmutation" exposed to 1.5 GeV protons,”
*Kerntechnik*, vol. 68, no. 1-2, pp. 48–55, 2003. View at Google Scholar - M. I. Krivopustov, A. V. Pavliouk, A. D. Kovalenko et al., “First results studying the transmutation of ${}^{\text{129}}\text{I}$
, ${}^{\text{237}}\text{Np}$
, ${}^{\text{238}}\text{Pu}$
, and ${}^{\text{239}}\text{Pu}$
in the irradiation of an extended ${}^{\text{nat}}\text{U}$/Pb-assembly with 2.52 GeV deuterons,”
*Journal of Radioanalytical and Nuclear Chemistry*, vol. 279, no. 2, pp. 567–584, 2009. View at Publisher · View at Google Scholar - S. R. Hashemi-Nezhad, I. Zhuk, M. Kievets et al., “Determination of natural uranium fission rate in fast spallation and fission neutron field: an experimental and Monte Carlo study,”
*Nuclear Instruments and Methods in Physics Research, Section A*, vol. 391, no. 3, pp. 517–529, 2008. View at Publisher · View at Google Scholar - W. Westmeier, S. R. Hashemi-Nezhad et al. In preparation.
- Y. L. Wang, S. L. Guo, C. Q. Tu et al., “Investigation of neutron spectrum emitted from 44 GeV ${}^{\text{12}}\text{C}$
+Cu interactions with nuclear emulsion,”
*Radiation Measurements*, vol. 28, no. 1–6, pp. 269–272, 1997. View at Google Scholar · View at Scopus - R. Brandt, “Measurements of neutron yields and radioactive isotope transmutation in collisions of relativistic ion with heavy nuclei,” JINR-Print E1-99-251, Joint Institute for Nuclear Research, Dubna, Russia, 1999, Review-Report for the 85th Session of the JINR Scientific Council. View at Google Scholar
- K. Aleklett, R. Brandt, G. Dersch et al., “Unusual behavior of projectile fragments produced by the interactions of relativistic Ar ions with copper,”
*Physical Review C*, vol. 38, no. 4, pp. 1658–1673, 1988. View at Publisher · View at Google Scholar · View at Scopus - J. B. Cumming, P. E. Haustein, T. J. Ruth, and G. J. Virtes, “Spallation of copper by 80-GeV Ar40 Ions,”
*Physical Review C*, vol. 17, no. 5, pp. 1632–1641, 1978. View at Publisher · View at Google Scholar · View at Scopus - G. Haase, “Kernchemische Studien zum ungewöhnlichen Weitwinkelverhalten von Sekundärteilchen in relativistischen Schwerionenreaktionen,” , Ph.D. thesis, Fachbereich Physikalische Chemie, Philipps-Universität, Marburg, Germany, 1990. View at Google Scholar