Zobrazeno 1 - 10
of 21
pro vyhledávání: '"U. N. Funk"'
Autor:
Dieter H. H. Hoffmann, Christoph Niemann, U. N. Funk, Carmen Constantin, Joachim Jacoby, Serban Udrea, E. Dewald, U. Neuner, Dmitry Varentsov, Andreas Tauschwitz
Publikováno v:
Laser and Particle Beams. 22:59-63
Experimental investigations of heavy-ion-generated shock waves in solid, multilayered targets were performed by applying a Schlieren and a laser-deflection technique. Shock velocity and the corresponding pressures, temporal and spatial density profil
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1a9c6e50afcbb0fc1a98fd9bf458ba89
https://doi.org/10.1017/s0263034604221115
https://doi.org/10.1017/s0263034604221115
Autor:
Dmitry Varentsov, Naeem A. Tahir, C. Niemann, Serban Udrea, A. Shutov, Carmen Constantin, T. Schlegel, Joachim Jacoby, Eduard Dewald, Anna Tauschwitz, Peter Spiller, U. N. Funk, A. Kozyreva, Dieter Hoffmann, U. Neuner
Publikováno v:
Laser and Particle Beams. 20:521-526
The dynamics of low entropy weak shock waves induced by heavy ion beams in solid targets was investigated by means of a schlieren technique. The targets consist of a metallic absorber for the beam energy deposition followed by a plexiglass block for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::abdff31c226a5b03122f54579801ecf9
https://doi.org/10.1017/s0263034602202281
https://doi.org/10.1017/s0263034602202281
Autor:
A. Fertman, Joachim Jacoby, W. Süß, U. N. Funk, Markus Roth, I. Roudskoy, Matthias Geissel, Dieter H. H. Hoffmann, V. I. Turtikov, A. A. Golubev, H. Wahl, B. Sharkov, U. Neuner, Anna Tauschwitz
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 464:247-252
The energy losses and charge state distribution of 12 C, 36 Kr and 208 Pb ions in a plasma have been measured for ion beam energies from 3.6 MeV/u up to 11.4 MeV/u. A capillary discharge plasma target with a free electron density up to 5.5×10 19 cm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f1dc40a1b66f4ab5c91b287fa6f2106
https://doi.org/10.1016/s0168-9002(01)00043-2
https://doi.org/10.1016/s0168-9002(01)00043-2
Autor:
U. N. Funk, Masahiro Yoshida, Masao Ogawa, K. Nishigori, Yoshiyuki Oguri, Jun Hasegawa, M. Kojima, U. Neuner, A. Sakumi
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 464:262-266
A solid hydrogen target has been developed for the beam–plasma interaction with a GM cycle cryo-refrigerator. The hydrogen gas was fed into the solid forming cell at a pressure of about 30 Torr, and condensed directly into crystal. The hydrogen tar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4e35590b35e21ae7a37c879aa3e3ca90
https://doi.org/10.1016/s0168-9002(01)00046-8
https://doi.org/10.1016/s0168-9002(01)00046-8
Autor:
Dmitry Varentsov, D. Penache, H. Wahl, F. B. Rosmej, Markus Roth, U. Neuner, Dieter H. H. Hoffmann, Andreas Tauschwitz, Carmen Constantin, Olga Rosmej, W. Süß, A. Kozyreva, P. Pirzadeh, E. Dewald, J. Jacoby, Serban Udrea, U. N. Funk, R. Bock, M. Geissel, Naeem A. Tahir
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 464:326-330
The high current upgrade of the accelerator facilities at GSI Darmstadt, Germany, has created possibilities for a new class of experiments with heavy ion beams. Intense pulses of heavy ions can rapidly heat converter targets to high temperatures. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e53d8941015d77bad5629019eb56471
https://doi.org/10.1016/s0168-9002(01)00056-0
https://doi.org/10.1016/s0168-9002(01)00056-0
Autor:
Peter Spiller, Dmitry Varentsov, E. Dewald, Serban Udrea, A. Kozyreva, R. Bock, U. N. Funk, Dieter H. H. Hoffmann, Joachim Jacoby, Naeem A. Tahir, Carmen Constantin, U. Neuner
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 174:215-221
At the Gesellschaft fur Schwerionenforschung (GSI) Darmstadt, intense beams of energetic heavy ions have been used to generate hot dense plasmas by impact on solid targets. Recently, we have measured time evolution of the energy loss of intense beams
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1db0fcc3a7feb497e03e35efcae1087f
https://doi.org/10.1016/s0168-583x(00)00512-7
https://doi.org/10.1016/s0168-583x(00)00512-7
Autor:
R. Bock, U. Neuner, Andreas Tauschwitz, Naeem A. Tahir, Dieter H. H. Hoffmann, S. Hakuli, Peter Spiller, Carmen Constantin, U. N. Funk, M. Geissel, Serban Udrea, A. Kozyreva, Markus Roth, Dmitry Varentsov, Joachim Jacoby
Publikováno v:
Physical Review Letters. 85:4518-4521
A specifically tailored plasma lens could shape a high-energy, heavy-ion beam into the form of a hollow cylinder without loss of beam intensity. It has been experimentally confirmed that both a positive as well as a negative radial gradient of the cu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ec82d1a457824f7d7877b21a1665c95c
https://doi.org/10.1103/physrevlett.85.4518
https://doi.org/10.1103/physrevlett.85.4518
Autor:
S. Stöwe, Naeem A. Tahir, S. Golubev, A. Shutov, M. Kulish, Peter Spiller, W. Süss, R. Bock, V. B. Mintsev, Vladimir E. Fortov, V. V. Yakushev, U. N. Funk, M. Dornik, M. Stetter, Markus Roth, Matthias Geissel, Dieter H. H. Hoffmann, Anna Tauschwitz, B. Sharkov, U. Neuner
Publikováno v:
Laser and Particle Beams. 18:573-581
The hydrodynamic response of metal targets to volume heating by energy deposition of intense heavy-ion beams was investigated experimentally. Recent improvements in beam parameters led to a marked increase in specific deposition power: 2·101040Ar18+
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a7430031c57382b6c817efe2ba0e3fb9
https://doi.org/10.1017/s0263034600184010
https://doi.org/10.1017/s0263034600184010
Autor:
Francesco Flora, N. S. Shilkin, Dieter H. H. Hoffmann, M. Nantel, Sarah Bollanti, M. Kulisch, S. A. Pikuz, A. Scafati, T. Auguste, S. Hulin, M. Geißel, Pascal D'Oliveira, F. B. Rosmej, L. Reale, Vladislav Yakushev, Andreas Tauschwitz, Donald P. Umstadter, R. Bock, Anatoly Maksimchuk, A. Grilli, S. Stöwe, Giuseppe Tomassetti, P. Monot, U. N. Funk, M. Stetter, P. Di Lazzaro, A. Reale, Libero Palladino, T. A. Pikuz, I. Yu. Skobelev, Tommaso Letardi, A. Ya. Faenov, M. Dornik
Publikováno v:
Scopus-Elsevier
New types of space resolved X-ray spectra produced in light matter experiments with high intensity lasers have been investigated experimentally and theoretically. This type of spectra is characterised by the disappearance of distinct resonance line e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fc83c9409f7ef15c13bc5e65b9590825
https://doi.org/10.1016/s0022-4073(99)00091-6
https://doi.org/10.1016/s0022-4073(99)00091-6
Autor:
A. Ya. Faenov, R. Bock, M. Geissel, W. Süß, Anna Tauschwitz, Naeem A. Tahir, T. A. Pikuz, U. Neuner, U. N. Funk, F. B. Rosmej, Markus Roth, Dieter H. H. Hoffmann
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. :9-18
The unique combination of an intense heavy ion beam and a high-energy Nd:glass laser system at Gesellschaft f Schwerionenforschung (GSI-Darmstadt) facilitates pioneering beam-plasma interaction experiments and thus allows to address basic physics is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ac41d0c766eedb44c5a02d846f89c257
https://doi.org/10.1016/s0168-583x(99)00666-7
https://doi.org/10.1016/s0168-583x(99)00666-7