Zobrazeno 1 - 10
of 59
pro vyhledávání: '"S. Heule"'
Autor:
S. Heule, F. Atchison, Reinhold Henneck, R Schelldorfer, Malgorzata Kasprzak, M. Daum, M Horisberger, M. Meier, Geza Zsigmond, G. Petzoldt, U. Straumann, Klaus Kirch, M. Kuzniak, C. Plonka-Spehr, A. Mtchedlishvili, Bernhard Lauss, A. Knecht
Publikováno v:
The European Physical Journal A. 44:23-29
We report a measurement of the reflection of ultracold neutrons from flat, large-area plates of different Fermi potential materials with low surface roughness. The results were used to test two diffuse reflection models, the well-known Lambert model
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::920a8e9a4dda15a44d34a4ea4c1dd74e
https://doi.org/10.1140/epja/i2010-10926-x
https://doi.org/10.1140/epja/i2010-10926-x
Autor:
Mike Seidel, Wolfgang Wagner, P. Geltenbort, J. A. Konter, T. Korhonen, R. Reiser, A. Anghel, Jacek Zejma, F. Heinrich, St. Kistryn, A. Mtchedlishvili, Kazimierz Bodek, M. Dubs, C. Plonka, Michael Wohlmuther, R. Doelling, Th. Hofmann, M. Kuzniak, A. Pichlmaier, Klaus Kirch, Reinhold Henneck, G. Petzoldt, B. van den Brandt, B. Blau, St. Joray, S. Heule, S. Grigoriev, D. George, G. Heidenreich, Pierre-Andre Duperrex, A. Mezger, F. Atchison, Geza Zsigmond, Patrick Hautle, H. Spitzer, U. Rohrer, J. Zuellig, M. Daum, L. Gültl, A. Fuchs, A. Knecht, Bernhard Lauss, Davide Reggiani, Knud Thomsen, Malgorzata Kasprzak
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 611:272-275
A new type of ultra-cold neutron (UCN) source based on the spallation process is under construction at PSI. The essential elements are a pulsed proton beam with highest intensity ( I p ≥ 2 mA ) and a low duty cycle (1%), a lead spallation target, a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::59ee284b6b6ee6abe8ae583ff465d5db
https://doi.org/10.1016/j.nima.2009.07.077
https://doi.org/10.1016/j.nima.2009.07.077
Autor:
Jacek Zejma, M. Kuźniak, Patrick Hautle, P. Fierlinger, Andreas Knecht, A. Pichlmaier, C.-Y. Liu, P. Geltenbort, Geza Zsigmond, A. T. Holley, M. Daum, A. Frei, D. Tortorella, Reinhold Henneck, B. Blau, F. Atchison, T. Bryś, J. A. Konter, Christopher Morris, B. van den Brandt, Kazimierz Bodek, C. Plonka, Klaus Kirch, Alexander Saunders, Yu. N. Pokotilovski, Malgorzata Kasprzak, Y. Shin, Michael Wohlmuther, A. R. Young, S. Heule
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 611:252-255
We have investigated the properties of the ultracold neutron converter materials deuterium D 2 , oxygen O 2 and heavy methane CD 4 in the temperature range between 8 K and room temperature. The experimental program was performed at the FUNSPIN beamli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::195de7adf750ae770aa09100e7209e98
https://doi.org/10.1016/j.nima.2009.07.072
https://doi.org/10.1016/j.nima.2009.07.072
Autor:
A. Knecht, M. Kuźniak, Bernhard Lauss, Reinhold Henneck, M. Meier, Kazimierz Bodek, Malgorzata Kasprzak, M. Daum, Klaus Kirch, G. Petzoldt, M. Schneider, S. Heule, Geza Zsigmond
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 597:222-226
We report the use of deuterated polystyrene (dPS) and deuterated polyethylene (dPE) for the storage of ultracold neutrons (UCN) in an experiment to search for a finite neutron electric dipole moment (nEDM). The Fermi potential of thin film coatings o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a70ecd9a1fcfdf35e8f121919a050266
https://doi.org/10.1016/j.nima.2008.09.018
https://doi.org/10.1016/j.nima.2008.09.018
Autor:
M. Döbeli, Malgorzata Kasprzak, Rolf Schelldorfer, M. Daum, Klaus Kirch, S. Heule, M. Kuźniak, A. Foelske, Reinhold Henneck, Günther Dollinger, Andreas Bergmaier, P. Fierlinger, Geza Zsigmond, A. Knecht, A. Pichlmaier, F. Atchison
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 587:82-88
We report the characterization of diamond-like carbon (DLC) surfaces to be used for the storage of ultracold neutrons (UCN). The samples investigated were 100–300-nm-thick tetragonal amorphous carbon (ta-C) coatings produced by vacuum-arc technolog
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0565e93cd503312396969c89ef151464
https://doi.org/10.1016/j.nima.2007.12.037
https://doi.org/10.1016/j.nima.2007.12.037
Autor:
Reinhold Henneck, B. Blau, Klaus Kirch, A. Knecht, Geza Zsigmond, S. Heule, Oliver Zimmer, Mukul Gupta, R. Reiser, M. Daum, Malgorzata Kasprzak, Peter Geltenbort, M. Kuźniak, M. Meier, F. Atchison, P. Fierlinger, A. Pichlmaier, B. Theiler
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 260:647-656
The Fermi potential Vf of diamond-like carbon (DLC) coatings produced with laser-controlled vacuum arc deposition and that of diamond, Al, Si, Be, Cu, Fe and Ni was measured using two different methods, (i) transmission of slow neutrons through foils
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2b23857307db856701631fa2f3124ccc
https://doi.org/10.1016/j.nimb.2007.04.253
https://doi.org/10.1016/j.nimb.2007.04.253
Autor:
A. Foelske, S. Heule, A. Knecht, M. Daum, M. Kuźniak, Malgorzata Kasprzak, M. Meier, F. Atchison, Reinhold Henneck, Thomas Lippert, U. Straumann, A. Pichlmaier, Klaus Kirch
Publikováno v:
Applied Surface Science. 253:8245-8249
It has been shown recently that diamond-like carbon (DLC) with a sp 3 fraction above 60% is a better wall coating material for ultracold neutron applications than beryllium. We report on results of Raman spectroscopic and XPS measurements obtained fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9136e5016808ec49efda6b532f40014
https://doi.org/10.1016/j.apsusc.2007.02.139
https://doi.org/10.1016/j.apsusc.2007.02.139
Autor:
S. Heule, M. Kuźniak, Dieter Schneider, M. Daum, F. Nolting, Rüdiger Kötz, Reinhold Henneck, Bernd Schultrich, U. Straumann, Klaus Kirch, F. Atchison, Thomas Lippert, P. Fierlinger, C.-F. Meyer, P. Siemroth, T. Bryś, A. Pichlmaier, Mukul Gupta, A. Foelske, Malgorzata Kasprzak
Publikováno v:
Diamond and Related Materials. 16:334-341
We have produced hydrogen-free diamond-like carbon (DLC) films by vacuum arc deposition for use as wall coating material in ultracold neutron (UCN) applications. The sp 3 fraction, the main quality factor for DLC used in UCN applications, was varied
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::373717921be91b540ff236783d301ea0
https://doi.org/10.1016/j.diamond.2006.06.008
https://doi.org/10.1016/j.diamond.2006.06.008
Autor:
M. Daum, Oliver Zimmer, A. Foelske, P. Fierlinger, Klaus Kirch, S. Heule, Malgorzata Kasprzak, M. Kuźniak, Peter Geltenbort, M. Meier, Reinhold Henneck, B. Blau, Ch. Plonka, A. Pichlmaier, Geza Zsigmond, F. Atchison, B. Theiler, R. Reiser, Mukul Gupta
Publikováno v:
Physics Letters B. 642:24-27
To complete our study of ultracold neutron (UCN) storage-vessel coatings, we have measured the Fermi potential for neutrons on diamondlike carbon coatings produced by laser induced vacuum arc deposition. A sample with an sp3 content of 0.45, measured
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::85acd6f47af0506c8b4f1c4dc55aea95
https://doi.org/10.1016/j.physletb.2006.09.024
https://doi.org/10.1016/j.physletb.2006.09.024
Autor:
Reinhold Henneck, S. Heule, Mukul Gupta, A. Pichlmaier, P. Fierlinger, M. Kuzniak, M. Daum, T. Brys, M. Meier, Klaus Kirch, U. Straumann, Thomas Lippert, A. Foelske, Malgorzata Kasprzak
Publikováno v:
Diamond and Related Materials. 15:928-931
Diamond-like carbon (DLC) is a promising new wall coating material for use in applications with Ultracold Neutrons (UCN). It can potentially replace the toxic beryllium which has been widely used for the storage and transport of UCN. Our aim is to pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::84aa36b8da689dd431c2238ff9e11704
https://doi.org/10.1016/j.diamond.2005.10.029
https://doi.org/10.1016/j.diamond.2005.10.029