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Your search keyword '"Gerald Badurek"' showing total 9 results
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9 results on '"Gerald Badurek"'

1. MONOPOL - A traveling-wave magnetic neutron spin resonator for tailoring polarized neutron beams

Author

Stefan Baumgartner, E. Jericha, Gerald Badurek, Christoph Gösselsberger, Hartmut Abele, Peter Geltenbort, Masahiro Hino, Tatsuro Oda, B. M. Berger, Robert Raab, Institut Laue-Langevin (ILL), and ILL

Subjects
[PHYS.PHYS.PHYS-ACC-PH]Physics [physics]/Physics [physics]/Accelerator Physics [physics.acc-ph], Quantum physics, Nuclear physics, lcsh:Medicine, 01 natural sciences, Article, Techniques and instrumentation, law.invention, Spin magnetic moment, Resonator, Optics, law, 0103 physical sciences, Neutron, spin: polarization, 010306 general physics, n: spin, lcsh:Science, time resolution, Spin-½, Monochromator, Physics, n: semileptonic decay, Multidisciplinary, 010308 nuclear & particles physics, business.industry, lcsh:R, Particle physics, n: particle source, Polarizer, Neutron radiation, Applied physics, n: polarized beam, lcsh:Q, nuclear reactor, business, monochromatic beam, Beam (structure)
Abstract

We report on first experimental tests of a neutron magnetic spin resonator at a very cold neutron beam port of the high flux reactor at the ILL Grenoble. When placed between two supermirror neutron polarizers and operated in a pulsed traveling-wave mode it allows to decouple its time- and wavelength-resolution and can therefore be used simultaneously as electronically tunable monochromator and fast beam chopper. As a first ‘real’ scientific application we intend its implementation in the PERC (p roton and e lectron r adiation c hannel) project related to high-precision experiments in neutron beta decay.

Published
2020
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2. Die Fakultät für Physik / The Faculty of Physics

Author

Gerald Badurek and Gerald Badurek

Abstract

The hallmark of Technical Physics at the Faculty of Physics is the close connection between research and teaching. Despite the high level of specialisation required for remaining internationally competitive in cutting-edge research, physics at TU Vienna nevertheless covers a remarkably broad range of topics that can be roughly divided into three core areas: the physics of matter, physical technology, and fundamental interactions. This volume is intended to give the non-specialised reader an impression of the outstanding research and teaching done at our faculty.

Published
2015

3. Neutron-induced fission cross section ofNp237in the keV to MeV range at the CERN n_TOF facility

Author

L. Sarchiapone, S. Andriamonje, G. Cortes, J. Marganiec, R. C. Haight, P. E. Koehler, H. Álvarez, Masayuki Igashira, K. Ioannidis, M. Oshima, C. Lamboudis, J. L. Tain, C. Paradela, E. Chiaveri, P. F. Mastinu, A. Dorochenko, J. Andrzejewski, G. Aerts, J. Cox, A. J. M. Plompen, Isabel Lopes, B. Haas, Matthias Heil, J. Pancin, E. Skordis, L. Audouin, F. Voss, P. Cennini, S. David, Roberto Capote, P.A. Assimakopoulos, Thomas Rauscher, F. Neves, P. M. Milazzo, A. Tsinganis, Y. Kadi, G. Tagliente, I. Duran, H. Frais-Koelbl, Carlos Guerrero, U. Abbondanno, M. Mosconi, P. Pavlopoulos, D. Karadimos, Nicola Colonna, C. Rubbia, M. Kokkoris, Michael Wiescher, V. Konovalov, F. Bečvář, Heinz Oberhummer, S. O'Brien, E. González-Romero, Isabel S. Gonçalves, K. C. Stamoulis, S. Marrone, W. Dridi, I. Savvidis, J. Salgado, D. Cano-Ott, Marco Calviani, M. Diakaki, A. Poch, Vasilis Vlachoudis, A. Lindote, M. Sedysheva, R. Terlizzi, A. Goverdovski, M. Kerveno, Rene Reifarth, E. Griesmayer, V. Ketlerov, A. Plukis, F. Alvarez-Velarde, A. Carrillo de Albornoz, C. Papadopoulos, M. Embid-Segura, L. Ferrant, L. Tavora, K. Fuji, Gerald Badurek, F. Käppeler, Paraskevi Demetriou, L. Fitzpatrick, F. Gramegna, Ralf Plag, R. Dolfini, A. Pavlik, J. M. Quesada, C. Eleftheriadis, M. Rosetti, C. Pretel, Manuel Lozano, C. Domingo-Pardo, L. Tassan-Got, M. C. Vincente, D. Villamarin, P. Rullhusen, M. Krtička, F. Calviño, W.I. Furman, L. Perrot, Corrie S. Moreau, R. Ferreira-Marques, S. Lukic, V. Chepel, A. Herrera-Martinez, N. Patronis, G. Rudolf, L. Marques, P. Vaz, Arnaud Ferrari, Aaron Couture, P. Baumann, Alberto Mengoni, S. Isaev, A. Ventura, R. Vlastou, E. Berthoumieux, G. Vannini, R. Gallino, K. Wisshak, D. Karamanis, H. Wendler, D. Kolokolov, H. Leeb, C. Stephan, F. Gunsing, Cristian Massimi, and E. Jericha

Subjects
Physics, Large Hadron Collider, 010308 nuclear & particles physics, Fission, Model parameters, 7. Clean energy, 01 natural sciences, Nuclear physics, 0103 physical sciences, Homogeneity (physics), Ionization chamber, Neutron cross section, Neutron, Atomic physics, Nuclear Experiment, 010306 general physics, Spectroscopy
Abstract

The neutron-induced fission cross section of Np237 was experimentally determined at the high-resolution and high-intensity facility n-TOF, at CERN, in the energy range 100 keV to 9 MeV, using the U235(n,f) and U238(n,f) cross section standards below and above 2 MeV, respectively. A fast ionization chamber was used in order to detect the fission fragments from the reactions and the targets were characterized as far as their mass and homogeneity are concerned by means of α spectroscopy and Rutherford backscattering spectroscopy respectively. Theoretical calculations within the Hauser-Feshbach formalism have been performed, employing the empire code, and the model parameters were tuned in order to successfully reproduce the experimental fission cross-sectional data and simultaneously all the competing reaction channels.

Published
2016
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4. Towards the high-accuracy determination of the 238U fission cross section at the threshold region at CERN -€“ n_TOF

Author

S. Valenta, N. Colonna, Carlos Guerrero, M. P. W. Chin, P. Zugec, Marco Calviani, V. Ketlerov, F. Roman, C. Le Naour, Masayuki Igashira, V. Bécares, J. Salgado, N. Patronis, K. Fraval, E. Leal-Cidoncha, G. Cortes, C. Eleftheriadis, Roberto Capote, J. Pancin, L. Cosentino, W. Mondelaers, Thomas Rauscher, A. K. Saxena, Arnaud Ferrari, G. Rudolf, P. Rullhusen, Y. Kadi, J. Marganiec, D. Karadimos, S. Andriamonje, W.I. Furman, M. Embid-Segura, J. Billowes, D. Cano-Ott, C. Santos, S. Heinitz, M. Diakaki, B. Berthier, M. B. Gómez-Hornillos, E. González-Romero, E. Chiaveri, P. Cennini, Christoph Langer, F. Cerutti, M. Kerveno, L. Sarchiapone, Michael Heil, M. J. Vermeulen, L. Plukis, K. Fujii, G. Giubrone, M. Mosconi, A. R. García, M. Wiesher, I. F. Gonçalves, P. F. Mastinu, V. Variale, Roberto Versaci, W. Dridi, M. Brugger, T. Ware, F. Voss, S. O'Brien, E. Mendoza, E. Jericha, Paolo Finocchiaro, Dorothea Schumann, Diego Tarrio, Rene Reifarth, F. Kaeppeler, Stefan Schmidt, P. Pavlopoulos, Javier Praena, S. Lo Meo, E. Griesmayer, S. David, Srinivasan Ganesan, R. Terlizzi, P. Baumann, Vittorio Boccone, D. G. Jenkins, J. M. Quesada, Peter Schillebeeckx, L. Tassan-Got, A. Manousos, D. Bosnar, G. Tagliente, F. Mingrone, J. Andrzejewski, G. Aerts, P. Gurusamy, Ralf Plag, M. Kokkoris, Alberto Mengoni, M. Krtička, F. Calviño, M. A. Cortés-Giraldo, L. Ferrant, I. Duran, H. Álvarez, J. L. Tain, C. Weiß, V. Konovalov, C. Pretel, Niko Kivel, D. Villamarin, L. Perrot, T. Martinez, C. Rubbia, S. Marrone, S. Altstadt, P. Vaz, Alberto Ventura, P. M. Milazzo, Aaron Couture, C. Carrapiço, C. Lampoudis, A. Pavlik, C. Domingo-Pardo, G. Vannini, A. Musumarra, Marco T. Pigni, I. Dillmann, D. Karamanis, T. J. Wright, M. C. Vincente, Christoph A. Stephan, S. Isaev, R. C. Haight, C. Paradela, L. Audouin, R. Sarmento, R. Vlastou, E. Berthoumieux, M. Mastromarco, L. Tavora, Massimo Barbagallo, Anton Wallner, E. Dupont, A. J. M. Plompen, James L. Cox, Corrie S. Moreau, Jeri Kroll, C. Lederer, Maria Victoria Lozano, A. Riego, S. Walter, A. Goverdovski, F. Alvarez-Velarde, Gerald Badurek, Roberto Losito, F. Gramegna, F. Belloni, F. Gunsing, A. Poch, Cristian Massimi, Rugard Dressler, K. Wisshak, Mario Weigand, F. Becvar, M. Mirea, A. Tsinganis, H. Leeb, J. Perkowski, L.S. Leong, Vasilis Vlachoudis, Serot, O., Diakaki, M., Audouin, L., Berthoumieux, E., Calviani, M., Colonna, N., Dupont, E., Duran, I., Gunsing, F., Leal-Cidoncha, E., Le Naour, C., Leong, L.S., Mastromarco, M., Paradela, C., Tarrio, D., Tassan-Got, L., Aerts, G., Altstadt, S., Alvarez, H., Alvarez-Velarde, F., Andriamonje, S., Andrzejewski, J., Badurek, G., Barbagallo, M., Baumann, P., Becares, V., Becvar, F., Belloni, F., Berthier, B., Billowes, J., Boccone, V., Bosnar, D., Brugger, M., Calvino, F., Cano-Ott, D., Capote, R., Carrapiço, C., Cennini, P., Cerutti, F., Chiaveri, E., Chin, M., Cortes, G., Cortes-Giraldo, M.A., Cosentino, L., Couture, A., Cox, J., David, S., Dillmann, I., Domingo-Pardo, C., Dressler, R., Dridi, W., Eleftheriadis, C., Embid-Segura, M., Ferrant, L., Ferrari, A., Finocchiaro, P., Fraval, K., Fujii, K., Furman, W., Ganesan, S., Garcia, A.R., Giubrone, G., Gomez-Hornillos, M.B., Goncalves, I.F., Gonzalez-Romero, E., Goverdovski, A., Gramegna, F., Griesmayer, E., Guerrero, C., Gurusamy, P., Haight, R., Heil, M., Heinitz, S., Igashira, M., Isaev, S., Jenkins, D.G., Jericha, E., Kadi, Y., Kaeppeler, F., Karadimos, D., Karamanis, D., Kerveno, M., Ketlerov, V., Kivel, N., Kokkoris, M., Konovalov, V., Krticka, M., Kroll, J., Lampoudis, C., Langer, C., Lederer, C., Leeb, H., Lo Meo, S., Losito, R., Lozano, M., Manousos, A., Marganiec, J., Martinez, T., Marrone, S., Massimi, C., Mastinu, P., Mendoza, E., Mengoni, A., Milazzo, P.M., Mingrone, F., Mirea, M., Mondelaers, W., Moreau, C., Mosconi, M., Musumarra, A., O’Brien, S., Pancin, J., Patronis, N., Pavlik, A., Pavlopoulos, P., Perkowski, J., Perrot, L., Pigni, M.T., Plag, R., Plompen, A., Plukis, L., Poch, A., Pretel, C., Praena, J., Quesada, J., Rauscher, T., Reifarth, R., Riego, A., Roman, F., Rudolf, G., Rubbia, C., Rullhusen, P., Salgado, J., Santos, C., Sarchiapone, L., Sarmento, R., Saxena, A., Schillebeeckx, P., Schmidt, S., Schumann, D., Stephan, C., Tagliente, G., Tain, J.L., Tavora, L., Terlizzi, R., Tsinganis, A., Valenta, S., Vannini, G., Variale, V., Vaz, P., Ventura, A., Versaci, R., Vermeulen, M.J., Villamarin, D., Vincente, M.C., Vlachoudis, V., Vlastou, R., Voss, F., Wallner, A., Walter, S., Ware, T., Weigand, M., Weiß, C., Wiesher, M., Wisshak, K., Wright, T., Zugec, P., Universitat Politècnica de Catalunya. Departament de Física, and Universitat Politècnica de Catalunya. ANT - Advanced Nuclear Technologies Research Group

Subjects
Nuclear reaction, Fission, QC1-999, Nuclear Theory, Nuclear physics, Mechanical engineering, U238, neutron fission, 7. Clean energy, 01 natural sciences, Fissió nuclear, ANGULAR-DISTRIBUTION, Subatomär fysik, Cross section (physics), 0103 physical sciences, Subatomic Physics, Neutron, 010306 general physics, Nuclear Experiment, Energies::Energia nuclear [Àrees temàtiques de la UPC], Physics, Large Hadron Collider, 010308 nuclear & particles physics, Nuclear fission, Física nuclear
Abstract

The U-238 fission cross section is an international standard beyond 2 MeV where the fission plateau starts. However, due to its importance in fission reactors, this cross-section should be very accurately known also in the threshold region below 2 MeV. The U-238 fission cross section has been measured relative to the U-235 fission cross section at CERN - n_TOF with different detection systems. These datasets have been collected and suitably combined to increase the counting statistics in the threshold region from about 300 keV up to 3 MeV. The results are compared with other experimental data, evaluated libraries, and the IAEA standards.

Published
2016

9. High accuracy U-235(n,f) data in the resonance energy region

Author

Carlos Guerrero, U. Abbondanno, I. Dillmann, I. Savvidis, M. Kerveno, C. Lederer, H. Leeb, A. Pavlik, L. Ferrant, F. Gramegna, D. Villamarin, Ralf Plag, I. Duran, A. Goverdovski, F. Gunsing, Christoph A. Stephan, F. Alvarez-Velarde, P. Pavlopoulos, C. Le Naour, M. Embid-Segura, S. David, A. Ventura, Cristian Massimi, P. Rullhusen, Gerald Badurek, Marco Calviani, F. Voss, P. M. Milazzo, G. Tagliente, A. Plukis, S. Lukic, A. Couture, G. Cortes, W.I. Furman, C. Rubbia, S. Isaev, C. Eleftheriadis, R. C. Haight, S. Marrone, K. Fujii, C. Paradela, P. Baumann, L. Perrot, K. Wisshak, J. Salgado, Thomas Rauscher, P. Cennini, A. Poch, Roberto Capote, L. Audouin, M. Krtička, F. Calviño, I. F. Gonçalves, D. Karadimos, R. Vlastou, E. Berthoumieux, V. Chepel, W. Dridi, C. Santos, M.C. Vincente, L. Tavora, M. Mosconi, L. Sarchiapone, E. González-Romero, E. Jericha, G. Aerts, R. Ferreira-Marques, T. Martinez, Rene Reifarth, S. Walter, J. L. Tain, P. E. Koehler, F. Becvar, A. Lindote, Diego Tarrio, J. M. Quesada, L. Tassan-Got, J. Marganiec, Nicola Colonna, S. Andriamonje, C. Carrapiço, R. Terlizzi, C. Weiss, V. Ketlerov, Vasilis Vlachoudis, H. Alvarez-Pol, E. Chiaveri, Javier Praena, P. F. Mastinu, Y. Kadi, C. Pretel, G. Rudolf, B. Berthier, Michael Heil, A. J. M. Plompen, Corrie S. Moreau, C. Lampoudis, C. Domingo-Pardo, M. Dahlfors, M. Wiesher, P. Vaz, D. Cano-Ott, Arnaud Ferrari, Alberto Mengoni, J. Andrzejewski, V. Konovalov, J. Cox, Masayuki Igashira, F. Kaeppeler, Universitat Politècnica de Catalunya. Departament de Física, Universitat Politècnica de Catalunya. ANT - Advanced Nuclear Technologies Research Group, Serot, O., Paradela, C., Duran, I., Tassan-Got, L., Audouin, L., Berthier, B., Isaev, S., Le Naour, C., Stephan, C., Tarrío, D., Abbondanno, U., Aerts, G., Álvarez-Pol, H., Álvarez-Velarde, F., Andriamonje, S., Andrzejewski, J., Badurek, G., Baumann, P., Becvar, F., Berthoumieux, E., Calviño, F., Calviani, M., Cano-Ott, D., Capote, R., Carrapiço, C., Cennini, P., Chepel, V., Chiaveri, E., Colonna, N., Cortes, G., Couture, A., Cox, J., Dahlfors, M., David, S., Dillmann, I., Domingo-Pardo, C., Dridi, W., Eleftheriadis, C., Embid-Segura, M., Ferrant, L., Ferrari, A., Ferreira-Marques, R., Fujii, K., Furman, W., Gonçalves, I.F., Gonzalez-Romero, E., Goverdovski, A., Gramegna, F., Guerrero, C., Gunsing, F., Haight, R., Heil, M., Igashira, M., Jericha, E., Kadi, Y., Kaeppeler, F., Karadimos, D., Kerveno, M., Ketlerov, V., Koehler, P., Konovalov, V., Krticka, M., Lampoudis, C., Lederer, C., Leeb, H., Lindote, A., Lukic, S., Marganiec, J., Martinez, T., Marrone, S., Massimi, C., Mastinu, P., Mengoni, A., Milazzo, P.M., Moreau, C., Mosconi, M., Pancin, S, Pavlik, A., Pavlopoulos, P., Perrot, L., Plag, R., Plompen, A., Plukis, A., Poch, A., Pretel, C., Praena, J., Quesada, J., Rauscher, T., Reifarth, R., Rubbia, C., Rudolf, G., Rullhusen, P., Salgado, J., Santos, C., Sarchiapone, L., Savvidis, I., Tagliente, G., Tain, J.L., Tavora, L., Terlizzi, R., Vaz, P., Ventura, A., Villamarin, D., Vincente, M.C., Vlachoudis, V., Vlastou, R., Voss, F., Walter, S., Weiss, C., Wiesher, M., and Wisshak, K.

Subjects
Nuclear reaction, Fission, nTOF, QC1-999, Neutron, 01 natural sciences, Resonance (particle physics), Nuclear physics, Subatomär fysik, Cross section (physics), U235, Ionization, 0103 physical sciences, Subatomic Physics, CERN, ddc:530, 010306 general physics, Physics, Energies::Energia nuclear [Àrees temàtiques de la UPC], Neutrons, Range (particle radiation), Large Hadron Collider, Física [Àrees temàtiques de la UPC], Reaccions nuclears, Cross section, 010308 nuclear & particles physics, Nuclear fission, nuclear technologies, Engineering physics, Física nuclear, Nuclear reactions
Abstract

The $^{235}$U neutron-induced cross section is widely used as reference cross section for measuring other fission cross sections, but in the resonance region it is not considered as an IAEA standard because of the scarce experimental data covering the full region. In this work, we deal with a new analysis of the experimental data obtained with a detection setup based on parallel plate ionization chambers (PPACs) at the CERN n_TOF facility in the range from 1 eV to 10 keV. The relative cross section has been normalised to the IAEA value in the region between 7.8 and 11 eV, which is claimed as well-known. Comparison with the ENDF/B-VII evaluation and the IAEA reference file from 100 eV to 10 keV are provided.

Published
2015

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