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| 5. |
- Batenkov, O, et al.
(författare)
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High-precision spectrometer for studies of ion-induced and spontaneous fission dynamics
- 1997
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Ingår i: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT. - : ELSEVIER SCIENCE BV. - 0168-9002. ; 394:1-2, s. 235-242
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Tidskriftsartikel (refereegranskat)abstract
- A spectrometer has been designed and built to investigate the dynamics of spontaneous and ion-induced fission processes. It consists of 8 neutron detectors surrounding a low mass scattering chamber containing the fussionable targets and two fission fragme
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| 6. |
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| 7. |
- BLOMGREN, J, et al.
(författare)
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SEARCH FOR DOUBLE GAMOW-TELLER STRENGTH BY HEAVY-ION DOUBLE-CHARGE-EXCHANGE
- 1995
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Ingår i: PHYSICS LETTERS B. - 0370-2693. ; 362:1-4, s. 34-38
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Tidskriftsartikel (refereegranskat)abstract
- We have carried out a search for double Gamow-Teller excitations, employing the Mg-24(O-18,Ne-18)Ne-24 reaction at 100 and 76 MeV/nucleon at NSCL-MSU and GANIL, respectively, The cross sections for low-lying excitations are typically a few nb/sr, providin
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| 9. |
- Dangtip, S, et al.
(författare)
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The 9-Be(n,p)9-Li reaction at En = 97 MeV
- 1997
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Ingår i: Proceedings of the International Conference on Nuclear Data for Science and Technology, Trieste, 1997. ; , s. 345-
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)
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| 13. |
- ERICSON, TEO, et al.
(författare)
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PI-NN COUPLING FROM HIGH-PRECISION NP CHARGE-EXCHANGE AT 162 MEV
- 1995
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Ingår i: PHYSICAL REVIEW LETTERS. - : AMER INST PHYSICS. - 0031-9007. ; 75:6, s. 1046-1049
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Differential np cross sections for unpolarized neutrons of 162 MeV have been measured to high precision with particular attention to the absolute normalization. These data can be extrapolated precisely and model independently to the pion pole and give a p
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| 20. |
- Johansson, K, et al.
(författare)
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Neutron induced single-word multiple-bit upset in SRAM
- 1999
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Ingår i: IEEE TRANSACTIONS ON NUCLEAR SCIENCE. - : IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC. - 0018-9499. ; 46:6, s. 1427-1433
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- The Single-word Multiple-bit Upset (SMU) frequency fbr nine commercial Static Random Access Memories (SRAM) have been evaluated at eight different neutron energies; 0; 11MeV, 14MeV, 22MeV, 35MeV, 45MeV, 75MeV, 96MeV, 160MeV. The SRAM types used at these e
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| 23. |
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| 24. |
- Olsson, N, et al.
(författare)
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Neutron-proton scattering at 96 and 162 MeV
- 1997
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Ingår i: Proceedings of the International Conference on Nuclear Data for Science and Technology, Trieste, 1997. ; , s. 1230-
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Konferensbidrag (refereegranskat)
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| 25. |
- Rahm, J, et al.
(författare)
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np scattering measurements at 162 MeV and the pi NN coupling constant
- 1998
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Ingår i: PHYSICAL REVIEW C-NUCLEAR PHYSICS. - : AMERICAN PHYSICAL SOC. - 0556-2813. ; 57:3, s. 1077-1096
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- The differential np scattering cross section has been measured at 162 MeV in the angular range theta(c.m.) = 72 degrees-180 degrees, using the neutron beam facility at The Svedberg Laboratory in Uppsala. Special attention was paid to the absolute normaliz
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| 32. |
- Thyberg, J, et al.
(författare)
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Phenotypic modulation of smooth muscle cells after arterial injury is associated with changes in the distribution of laminin and fibronectin
- 1997
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Ingår i: The journal of histochemistry and cytochemistry : official journal of the Histochemistry Society. - : SAGE Publications. - 0022-1554. ; 45:6, s. 837-846
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Tidskriftsartikel (refereegranskat)abstract
- Earlier in vitro studies suggest opposing roles of laminin and fibronectin in regulation of differentiated properties of vascular smooth muscle cells. To find out if this may also be the case in vivo, we used immunoelectron microscopy to study the distribution of these proteins during formation of intimal thickening after arterial injury. In parallel, cell structure and content of smooth muscle α-actin was analyzed. The results indicate that the cells in the normal media are in a contractile phenotype with abundant α-actin filaments and an incomplete basement membrane. Within 1 week after endothelial denudation, most cells in the innermost layer of the media convert into a synthetic phenotype, as judged by loss of actin filaments, construction of a large secretory apparatus, and destruction of the basement membrane. Some of these cells migrate through fenestrae in the internal elastic lamina and invade a fibronectin-rich network deposited on its luminal surface. Within another few weeks a thick neointima forms, newly produced matrix components replace the strands of fibronectin, and a basement membrane reappears. Simultaneously, the cells resume a contractile phenotype, recognized by disappearance of secretory organelles and restoration of α-actin filaments. These findings support the notion that laminin and other basement membrane components promote the expression of a differentiated smooth muscle phenotype, whereas fibronectin stimulates the cells to adopt a proliferative and secretory phenotype.
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