CERN Accelerating science

CERN Document Server 13 registres trobats  1 - 10següent  anar al registre: La cerca s'ha fet en 0.53 segons. 
1.
Decommissioning and safety issues of liquid-mercury waste generated from high power spallation sources with particle accelerators / Chiriki, S (Julich, Forschungszentrum) ; Fachinger, J (Julich, Forschungszentrum) ; Odoj, R (Julich, Forschungszentrum) ; Moormann, R (Julich, Forschungszentrum) ; Hinssen, H. K (Julich, Forschungszentrum) ; Bukaemskiy, A (Julich, Forschungszentrum)
Large spallation sources are intended to be constructed in Europe (EURISOL nuclear physics facility and ESS-European Spallation Source). These facilities accumulate more than 20 metric tons of irradiated mercury in the target, which has to be treated as highly radioactive and chemo-toxic waste. [...]
EURISOL-05-22-2008-0044; EURISOL-05-23-2008-0018.- 2009 - Published in : Nuclear Technology: 168 (2008) , pp. 264-269 Fulltext: PDF TXT;
2.
Investigation of Neutron Spectra and Transmutation of ^{129}I, ^{237}Np and Other Nuclides with 1.5 GeV Protons from the Dubna Nuclotron Using the Electronuclear Setup "Energy plus Transmutation" / Krivopustov, M I ; Adam, J ; Balabekyan, A R ; Batusov, Yu A ; Bielewicz, M ; Brandt, R ; Chaloun, P ; Chultem, D ; Dwivedi, K K ; Elishev, A F et al.
Experiments which are part of the scientific program "Investigations of physical aspects of electronuclear method of energy production and transmutation for radioactive waste of atomic energetics using relativistic beams from the JINR Synchrophasotron/Nuclotron" (project "Energy plus Transmutation") are described. [...]
E1-2004-79 ; JINR-E1-2004-79.
- 2004. - 33 p.
Fulltext from JINR Dubna
3.
Spallation Neutron Spectrum on a Massive Lead/Paraffin Target Irradiated with 1 GeV Protons / Adam, J ; Balabekyan, A R ; Barashenkov, V S ; Brandt, R ; Golovatiouk, V M ; Kalinnikov, V G ; Katovsky, K ; Krivopustov, M I ; Kumar, V ; Kumawat, H et al.
The spectra of gamma-ray emitted by decaying residual nuclei, produced by spallation neutrons with (n, xn), (n,xnyp), (n,p), (n,gamma) reactions in activation threshold detectors - namely, ^{209}Bi, ^{197}Au, ^{59}Co, ^{115}In, ^{232}Th, were measured in the Laboratory of Nuclear Problems (LNP), JINR, Dubna, Russia. [...]
E1-2004-16 ; JINR-E1-2004-16.
- 2004. - 12 p.
Fulltext from JINR Dubna
4.
Influence of Different Moderator Materials on Characteristics of Neutron Fluxes Generated under Irradiation of Lead Target with Proton Beams / Sosnin, A N ; Sosnin, A N ; Polanski, A ; Petrochenkov, S A ; Golovatyuk, V M ; Krivopustov, M I ; Bamblevski, V P ; Westmeier, W ; Odoj, R ; Brandt, R et al.
Neutron fields generated in extended heavy (Z\geq 82) targets under irradiation with proton beams at energies in the range of 1 GeV are investigated. [...]
JINR-E2-2002-258.
- 2002. - 9 p.
Fulltext from JINR Dubna
5.
Transmutation of $^{239}$Pu and Other Nuclides Using Spallation Neutrons Produced by Relativistic Protons Reacting with Massive U- and Pb-Targets / Adam, J ; Balabekyan, A R ; Bamblevski, V P ; Barabanov, M Yu ; Bradnova, V ; Chaloun, P ; Hella, K M ; Kalinnikov, V G ; Krivopustov, M I ; Kulakov, B A et al.
Experimental studies on the transmutation of some long-lived radioactive waste nuclei, such as ^{129}I, ^{237}Np, and ^{239}Pu, as well as on natural uranium and lanthanum (all of them used as sensors) were carried out at the Synchrophasotron of the Laboratory for High Energies (JINR, Dubna). [...]
E1-2001-136 ; JINR-E1-2001-136.
- 2001. - 24 p.
Fulltext from JINR Dubna
6.
Investigation of the Formation of Residual Nuclei from the Radioactive $^{237}Np$ and $^{241}Am$ Targets in the Reaction with 660 MeV Protons / Adam, J ; Balabekyan, A R ; Brandt, R ; Dzhelepov, V P ; Gustov, S A ; Kalinnikov, V G ; Krivopustov, M I ; Mirokhin, I V ; Mrazek, J ; Odoj, R et al.
Radioactive ^{237}Np and ^{241}Am targets were irradiated by proton beams with energy 660 MeV. [...]
E15-2000-256 ; JINR-E15-2000-256.
- 2000. - 18 p.
Fulltext from JINR Dubna
7.
Monte Carlo analysis of accelerator-driven systems : studies on spallation neutron yield and energy gain / Hashemi-Nezhad, S R ; Brandt, R ; Westmeier, W ; Bamblevski, V P ; Krivopustov, M I ; Kulakov, B A ; Sosnin, A N ; Wan, J S ; Odoj, R
The neutron yield in the interaction of protons with lead and uranium targets has been studied using the LAHET code system. The dependence of the neutron multiplicity on target dimensions and proton energy has been calculated and the dependence of the energy amplification on the proton energy has been investigated in an accelerator-driven system of a given effective multiplication coefficient. [...]
2001 - Published in : Kerntech.: 66 (2001) , no. 1-2, pp. 47-53
8.
Transmutation studies using SSNTD and radiochemistry and the associated production of secondary neutrons / Brandt, R ; Ochs, M ; Wan, J S ; Schmidt, T ; Langrock, E J ; Vater, P ; Adam, J ; Bamblevski, V P ; Bradnova, V ; Gelovani, L K et al.
Experiments using 1.5 GeV, 3.7 GeV and 7.4 GeV protons from the Synchrophasotron, LHE, JINR, Dubna, Russia, on extended Pb- and U- targets were carried out using SSNTD and radiochemical sensors for the study of secondary neutron $9 fluences. We also carried out first transmutation studies on the long-lived radwaste nuclei /sup 129/I and /sup 237/Np. [...]
1999 - Published in : Radiat. Meas. 31 (1999) 497-506
9.
Investigation of temperature and neutron fields in lead medium during the interaction with relativistic protons / Brandt, R ; Beljakov, D V ; Bisplinghoff, B ; Dyachenko, V M ; Zarubin, P I ; Kaznovskij, S P ; Kaznovskij, S P ; Krivopustov, M I ; Langrok, E J ; Modolo, D et al.
P1-99-117.
- 1999. - 24 p.
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10.
Transmutation of $^{129}I$ and $^{237}Np$ using spallation neutrons produced by 1.5, 3.7 and 7.4 GeV protons / Ochs, M ; Wan, J S ; Schmidt, T ; Langrock, E J ; Vater, P ; Brandt, R ; Adam, J ; Bamblevski, V P ; Bradnova, V ; Gelovani, L K et al.
E1-99-1 ; JINR-E1-99-1.
- 1999. - 31 p.
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