SwePub - sökning: WFRF:(Aleklett K.)

Numrering	Referens	Omslagsbild	Hitta
1.	Souliotis, G. A., et al. (författare) Production of neutron-rich nuclides and radioactive beams by intermediate energy 238 U fission 1997 Ingår i: Physical Review C. - 2469-9993 .- 2469-9985. ; 55:5, s. 2146-2149 Tidskriftsartikel (refereegranskat)abstract The yields of neutron-rich fission fragments from the interaction of 20 MeV/nucleon 238U with 208Pb have been measured. The production mechanism of these fragments is consistent with sequential fission following a quasielastic or deep inelastic collision. Substantial yields of very n-rich fragments are observed. The importance of these data for generation of n-rich radioactive beams by fission of intermediate-energy projectiles is discussed.
2.	Adelsköld, G, et al. (författare) Problem-based distance learning of energy via computer 1999 Ingår i: Distance Education 20. ; :129 Tidskriftsartikel (refereegranskat)
3.	Adelsköld, G, et al. (författare) Problem-based distance learning on energy via computer 1998 Ingår i: Conference on quality and developement work at universities and colleges: Luleå, Sweden, June 10-11, 1998. Konferensbidrag (populärvet., debatt m.m.)
4.	Aleklett, K, et al. (författare) Formation of Large Target Residues in Intermediate Energy Nuclear Collisions 1987 Ingår i: Fizika 19. ; :A471, s. 175c-190c Tidskriftsartikel (refereegranskat)
5.	Aleklett, K, et al. (författare) Heavy Residue Linear Momenta in Intermediate Energy Krypton-Gold Collisions 1990 Ingår i: Physics Letters. ; :B236, s. 404- Tidskriftsartikel (refereegranskat)
6.	Aleklett, K, et al. (författare) Heavy Residue Spectra in the Interaction of 85 A MeV 12C with 197Au 1989 Ingår i: Nuclear Physics. ; :A499, s. 591- Tidskriftsartikel (refereegranskat)
7.	Aleklett, K, et al. (författare) Problem-based learning in a distance course 1998 Rapport (populärvet., debatt m.m.)
8.	Aleklett, K, et al. (författare) Production of Intermediate Mass Fragments in Ultrarelativistic Nuclear Collisions 1987 Ingår i: Physics Letters. ; :B197, s. 34- Tidskriftsartikel (refereegranskat)
9.	Aleklett, K (författare) Survival of hot heavy nuclei. 2001 Ingår i: ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY. - : AMER CHEMICAL SOC. ; 221 Annan publikation (övrigt vetenskapligt/konstnärligt)
10.	Aleklett, K, et al. (författare) Target Fragmentation in Ultrarelativistic Nuclear Collisions 1987 Ingår i: Fizika 19. ; :19, s. 71- Tidskriftsartikel (refereegranskat)
11.	Batenkov, O.I, et al. (författare) Comparison of Experimental and Calculated Mass Distributions of Fission Fragments in Proton-Induced Fission of Th-232, U-235 and Np-237 in the Intermediate Energy Region 2005 Ingår i: Proc. of the Int. Conf. on Nuclear Data for Science and Technology: Santa Fé, New Mexico, USA, September 26 - October 1, 2004. ; , s. 625- Konferensbidrag (refereegranskat)
12.	Carlén, Lars, et al. (författare) Dynamical. and statistical fragment emission properties in 200 A MeV Ne-20+Ar-40 collisions 2006 Ingår i: Nuclear Physics, Section A. - : Elsevier BV. - 0375-9474. ; 764, s. 15-23 Tidskriftsartikel (refereegranskat)abstract Dynamical and statistical fragment emission processes in 200 A MeV Ne-20 + Ar-40 collisions are well probed by measurements of charge (Z), mass (A) and momentum vector ((p) over right arrow) of all fragments in large parts of the available momentum space. We present such data obtained at the cluster-jet target of the CELSIUS storage ring, for the first time with an internal, ultra-high vacuum (UHV) compatible detector system (CHICSi). Energy and angular dependence in Z and A distributions are not reproduced by a single-step model, e.g., those based on molecular dynamics (MD), but require a complete three-step model. We use here the intranuclear cascade+ statistical multifragmentation + secondary evaporation model (CFEM). The angular dependence of isobaric ratios, like He-6/Li-6 at low emission velocities and temperatures extracted from isotopic (double) ratios, do exhibit differences, even from this model. These differences, which call for adjustment of model parameters, are discussed. (c) 2005 Elsevier B.V. All rights reserved.
13.	Carlén, L., et al. (författare) Dynamical and Statistical Fragment Emission Properties in 200 MeV/nucleon Ne-20 + Ar-40 Collisions 2006 Ingår i: Nuclear Physics. ; A764, s. 15- Tidskriftsartikel (refereegranskat)
14.	Casey, C, et al. (författare) Nonequilibrium Fission and Heavy Residue Production in the Interaction of 12-16 MeV/Nucleon 32S with 165Ho 1989 Ingår i: Physical Review. ; :C40, s. 1244- Tidskriftsartikel (refereegranskat)
15.	Djerroud, B, et al. (författare) Heavy residues and intermediate-mass fragment production in dissipative Au-197+Kr-86 collisions at E/A=35 MeV 2001 Ingår i: PHYSICAL REVIEW C. - : AMERICAN PHYSICAL SOC. - 0556-2813. ; 6403:3 Tidskriftsartikel (refereegranskat)abstract Neutrons and charged light and intermediate-mass products from the Au-197 + Kr-86 reaction at E-lab/A = 35 MeV were measured with 4 pi angular coverage, in coincidence with projectilelike (PLFs) and targetlike fragments (TLFs). The characteristics of PLF
16.	Kuznetsov, AV, et al. (författare) A compact Ultra-High Vacuum (UHV) compatible instrument for time of flight-energy measurements of slow heavy reaction products 2000 Ingår i: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT. - : ELSEVIER SCIENCE BV. - 0168-9002. ; 452:3, s. 525-532 Tidskriftsartikel (refereegranskat)abstract A compact Ultra-High Vacuum (UHV) compatible instrument for time of flight-energy measurements of slow heavy reaction products from nuclear reactions has been designed and tested at the CELSIUS storage ring in Uppsala. The construction is based on MicroCh
17.	Loveland, W, et al. (författare) Changes in Target Fragmentation Mechanisms with Increasing Projectile Energy in Intermediate Energy Nuclear Collisions 1990 Ingår i: Physices Review. ; :C41, s. 973- Tidskriftsartikel (refereegranskat)
18.	Loveland, W, et al. (författare) Unusual Backward Emission of Multifragmentation Products in Ultrarelativistic Nucleus-Nucleus Collisions 1988 Ingår i: Pysical Review. ; :C37, s. 1311- Tidskriftsartikel (refereegranskat)
19.	Peterson, D, et al. (författare) Direct observation of first-chance fission of No-258 2009 Ingår i: Physical Review C. Nuclear Physics. - 0556-2813 .- 1089-490X. ; 79:4, s. 044607- Tidskriftsartikel (refereegranskat)abstract The multiplicities, angular correlations, and energy spectra of the neutrons associated with fission were measured for the reactions of Mg-25,Mg-26 + Th-232 at Mg-25 and Mg-26 projectile energies of 132 and 148 MeV, respectively. From these data, we extracted a value of Gamma(n)/Gamma(f) for the first-chance fission of No-258 at an excitation energy of 61 MeV. The implications of this result for understanding the survival probabilities of excited heavy nuclei formed in "hot" fusion reactions are discussed.
20.	Rudstam, G., et al. (författare) Delayed-Neutron Branching Ratios of Precursors in the Fission Product Region 1993 Ingår i: Data and Nuclear Data Tables. ; :53, s. 1- Tidskriftsartikel (refereegranskat)
21.	Sihver, Lembit, 1962, et al. (författare) Gold Target Fragmentation by 800 GeV protons 1992 Ingår i: Nuclear Physics. ; :A543, s. 703- Tidskriftsartikel (refereegranskat)
22.	Souliotis G.A., Loveland W., Zyromski K.E., Wozniak G.J., Morrissey D.J., Liljenzin J.O., and Aleklett Kjell (författare) Production of Neutron-Rich Nuclides and Radioactive Beams by Intermediate Energy 238U Fission 1997 Ingår i: Phys. Rev C. ; 55, s. 2146- Tidskriftsartikel (refereegranskat)
23.	Yanez, R, et al. (författare) Observation of fusion-like residues in energetic nuclear collisions at the Celsius storage ring 2002 Ingår i: Revista Mexicana de Física. - 0035-001X. ; 48:Suppl 3, s. 100-102 Tidskriftsartikel (refereegranskat)abstract Recent experiments at the CELSIUS storage ring of Uppsala, Sweden, have revealed the existence of high momentum transfer target-like fragments contrary to expectations. Recoiling heavy fragments in the reaction of 250 MCV/nucleon N-14 on Xe-131 have been measured at 10degrees with respect to the beam direction with specially designed recoil telescopes, Simulations with the Boltzmann-Uehling-Uhlenbeck (BUU) transport equation are not able to reproduce the experimental observations, Intermediate mass fragments (IMF: 3 less than or equal to Z less than or equal to 8) were also measured using three elements of the CIRCSi DeltaE - E telescopes. Single energy spectra of IMFs suggest that the larger fragments (Z = 7, 8) are preferentially emitted from a single equilibrated, but very hot source (T approximate to 9 MeV).
24.	Yanez, R, et al. (författare) Observation of Fusion-Like Residues in Energetic Nuclear Collisions at the CELSIUS Storage Ring 2000 Ingår i: Proc. XII Symp. Chilean Physical Society, 2000, Revista Mexicana de Fisica. Konferensbidrag (övrigt vetenskapligt/konstnärligt)
25.	Zyromski, KE, et al. (författare) Fusion enhancement in the S-32,S-38+Ta-181 reaction 2001 Ingår i: PHYSICAL REVIEW C. - : AMERICAN PHYSICAL SOC. - 0556-2813. ; 6302:2 Tidskriftsartikel (refereegranskat)abstract We measured the capture-fission excitation functions for the S-32+Ta-181 reaction and the S-38+Ta-181 reaction. (The radioactive S-38 beam was produced by projectile fragmentation.) In the S-32-induced reaction, an incomplete fusion component was observed
26.	Zyromski, KE, et al. (författare) Fusion enhancement with neutron-rich radioactive beams 1997 Ingår i: ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY. - : AMER CHEMICAL SOC. ; , s. 32-NUCL Konferensbidrag (övrigt vetenskapligt/konstnärligt)

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