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Featured researches published by Joerg Heyse.


EPJ Web of Conferences | 2017

Energy dependence of fission product yields from 235U, 238U, and 239Pu with monoenergetic neutrons between thermal and 14.8 MeV

Matthew Gooden; Charles Arnold; Megha Bhike; T. A. Bredeweg; Malcolm Fowler; A. P. Tonchev; W. Tornow; Mark Stoyer; David Vieira; J. B. Wilhelmy; A. Plompen; Franz-Josef Hambsch; P. Schillebeeckx; W. Mondelaers; Joerg Heyse; S. Kopecky; P. Siegler; S. Oberstedt

Under a joint collaboration between TUNL-LANL-LLNL, a set of absolute fission product yield measurements has been performed. The energy dependence of a number of cumulative fission product yields (FPY) have been measured using quasi-monoenergetic neutron beams for three actinide targets, 235 U, 238 U and 239 Pu, between 0.5 and 14.8 MeV. The FPYs were measured by a combination of fission counting using specially designed dual-fission chambers and γ-ray counting. Each dual-fission chamber is a back-to-back ionization chamber encasing an activation target in the center with thin deposits of the same target isotope in each chamber. This method allows for the direct measurement of the total number of fissions in the activation target with no reference to the fission cross-section, thus reducing uncertainties. γ-ray counting of the activation target was performed on well-shielded HPGe detectors over a period of two months post irradiation to properly identify fission products. Reported are absolute cumulative fission product yields for incident neutron energies of 0.5, 1.37, 2.4, 3.6, 4.6, 5.5, 7.5, 8.9 and 14.8 MeV. Preliminary results from thermal irradiations at the MIT research reactor will also be presented and compared to present data and evaluations. This work was performed under the auspices of the U.S. Department of Energy by Los Alamos National Security, LLC under contract DE-AC52-06NA25396, Lawrence Livermore National Laboratory under contract DE-AC52-07NA27344 and by Duke University and Triangle Universities Nuclear Laboratory through NNSA Stewardship Science Academic Alliance grant No. DE-FG52-09NA29465, DE-FG52-09NA29448 and Office of Nuclear Physics Grant No. DE-FG02-97ER41033.


Archive | 1996

Method for manfacturing an orifice plate

Stefan Arndt; Dietmar Hahn; Heinz Fuchs; Gottfried Flik; Guenter Dantes; Gilbert Moersch; Detlef Nowak; Joerg Heyse; Beate Ader; Frank Schatz


Archive | 1996

Orifice plate, in particular for injection valves

Stefan Arndt; Dietmar Hahn; Heinz Fuchs; Gottfried Flik; Guenter Dantes; Gilbert Moersch; Detlef Nowak; Joerg Heyse; Beate Ader; Frank Schatz


Archive | 1996

Orifice plate, in particular for injection valves, and method for manufacturing an orifice plate

Stefan Arndt; Dietmar Hahn; Heinz Fuchs; Gottfried Flik; Guenter Dantes; Gilbert Moersch; Detlef Nowak; Joerg Heyse; Beate Ader; Frank Schatz


Archive | 2000

Fuel injection valve and a method for manufacturing exit outlets on the valve

Martin Maier; Guenther Hohl; Guenter Dantes; Detlef Nowak; Joerg Heyse; Norbert Keim


Archive | 1996

Fuel injector valve for IC engine

Gerhard Benz; Christian Dr. Preussner; Gilbert Moersch; Joerg Heyse; Norbert Belzner; Michael Klaski


Archive | 1998

Perforated disk or atomizing disk and an injection valve with a perforated disk or atomizing disk

Stefan Arndt; Martin Maier; Joerg Heyse


Archive | 1996

Valve having a nozzle plate provided with a plurality of radially running slots

Georg Zimmermann; Horst Magenau; Jurgen Buehring; Gilbert Moersch; Joerg Heyse; Harald Koenig


Archive | 1999

FUEL INJECTION VALVE AND A METHOD FOR INSTALLING A FUEL INJECTION VALVE

Guenter Dantes; Detlef Nowak; Joerg Heyse


Archive | 2001

Fuel-injection valve comprising a swirl element

Guenter Dantes; Detlef Nowak; Joerg Heyse; Michael Klaski; Wolfgang Mertzky; Matthias Waldau

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