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39 results on '"Cowan, T"'

1. Recovery of release cloud from laser shock-loaded graphite and hydrocarbon targets: in search of diamonds

Author: Schuster, A K, primary, Voigt, K, additional, Klemmed, B, additional, Hartley, N J, additional, Lütgert, J, additional, Zhang, M, additional, Bähtz, C, additional, Benad, A, additional, Brabetz, C, additional, Cowan, T, additional, Döppner, T, additional, Erb, D J, additional, Eychmüller, A, additional, Facsko, S, additional, Falcone, R W, additional, Fletcher, L B, additional, Frydrych, S, additional, Ganzenmüller, G C, additional, Gericke, D O, additional, Glenzer, S H, additional, Grenzer, J, additional, Helbig, U, additional, Hiermaier, S, additional, Hübner, R, additional, Laso Garcia, A, additional, Lee, H J, additional, MacDonald, M J, additional, McBride, E E, additional, Neumayer, P, additional, Pak, A, additional, Pelka, A, additional, Prencipe, I, additional, Prosvetov, A, additional, Rack, A, additional, Ravasio, A, additional, Redmer, R, additional, Reemts, D, additional, Rödel, M, additional, Schoelmerich, M, additional, Schumacher, D, additional, Tomut, M, additional, Turner, S J, additional, Saunders, A M, additional, Sun, P, additional, Vorberger, J, additional, Zettl, A, additional, and Kraus, D, additional
Published: 2022
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2. Recovery of release cloud from laser shock-loaded graphite and hydrocarbon targets: in search of diamonds

Author: Schuster, A. K., Voigt, K., Klemmed, B., Hartley, N. J., Lütgert, J., Zhang, M., Bähtz, C., Benad, A., Brabetz, C., Cowan, T., Döppner, T., Erb, D. J., Eychmüller, A., Facsko, S., Falcone, R. W., Fletcher, L. B., Frydrych, S., Ganzenmüller, G. C., Gericke, D. O., Glenzer, S. H., Grenzer, J., Helbig, U., Hiermaier, S., Hübner, R., Laso Garcia, A., Lee, H. J., MacDonald, M. J., McBride, E. E., Neumayer, P., Pak, A., Pelka, A., Prencipe, I., Prosvetov, A., Rack, A., Ravasio, A., Redmer, R., Reemts, D., Rödel, M., Schoelmerich, M., Schumacher, D., Tomut, M., Turner, S. J., Saunders, A. M., Sun, P., Vorberger, J., Zettl, A., Kraus, D., Schuster, A. K., Voigt, K., Klemmed, B., Hartley, N. J., Lütgert, J., Zhang, M., Bähtz, C., Benad, A., Brabetz, C., Cowan, T., Döppner, T., Erb, D. J., Eychmüller, A., Facsko, S., Falcone, R. W., Fletcher, L. B., Frydrych, S., Ganzenmüller, G. C., Gericke, D. O., Glenzer, S. H., Grenzer, J., Helbig, U., Hiermaier, S., Hübner, R., Laso Garcia, A., Lee, H. J., MacDonald, M. J., McBride, E. E., Neumayer, P., Pak, A., Pelka, A., Prencipe, I., Prosvetov, A., Rack, A., Ravasio, A., Redmer, R., Reemts, D., Rödel, M., Schoelmerich, M., Schumacher, D., Tomut, M., Turner, S. J., Saunders, A. M., Sun, P., Vorberger, J., Zettl, A., and Kraus, D.
Abstract: This work presents first insights into the dynamics of free-surface release clouds from dynamically compressed polystyrene and pyrolytic graphite at pressures up to 200 GPa, where they transform into diamond or lonsdaleite, respectively. These ejecta clouds are released into either vacuum or various types of catcher systems, and are monitored with high-speed recordings (frame rates up to 10 MHz). Molecular dynamics simulations are used to give insights to the rate of diamond preservation throughout the free expansion and the catcher impact process, highlighting the challenges of diamond retrieval. Raman spectroscopy data show graphitic signatures on a catcher plate confirming that the shock-compressed PS is transformed. First electron microscopy analyses of solid catcher plates yield an outstanding number of different spherical-like objects in the size range between ten(s) up to hundreds of nanometres, which are one type of two potential diamond candidates identified. The origin of some objects can unambiguously be assigned, while the history of others remains speculative.
Published: 2022

3. Laboratory Study of Bilateral Supernova Remnants and Continuous MHD Shocks.

Author: Mabey, P., Albertazzi, B., Rigon, G., Marqučs, J.-R., Palmer, C. A. J., Topp-Mugglestone, J., Perez-Martin, P., Kroll, F., Brack, F.-E., Cowan, T. E., Schramm, U., Falk, K., Gregori, G., Falize, E., and Koenig, M.
Subjects: SUPERNOVA remnants, BLAST waves, SHOCK waves, MAGNETIC fields, INTERSTELLAR medium, GALACTIC magnetic fields
Abstract: Many supernova remnants (SNRs), such as G296.5+10.0, exhibit an axisymmetric or barrel shape. Such morphologies have previously been linked to the direction of the Galactic magnetic field, although this remains uncertain. These SNRs generate magnetohydrodynamic shocks in the interstellar medium, modifying its physical and chemical properties. The ability to study these shocks through observations is difficult due to the small spatial scales involved. In order to answer these questions, we perform a scaled laboratory experiment in which a laser-generated blast wave expands under the influence of a uniform magnetic field. The blast wave exhibits a spheroidal shape, whose major axis is aligned with the magnetic field, in addition to a more continuous shock front. The implications of our results are discussed in the context of astrophysical systems. [ABSTRACT FROM AUTHOR]
Published: 2020
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4. On-shot characterization of single plasma mirror temporal contrast improvement

Author: Obst, L, primary, Metzkes-Ng, J, additional, Bock, S, additional, Cochran, G E, additional, Cowan, T E, additional, Oksenhendler, T, additional, Poole, P L, additional, Prencipe, I, additional, Rehwald, M, additional, Rödel, C, additional, Schlenvoigt, H-P, additional, Schramm, U, additional, Schumacher, D W, additional, Ziegler, T, additional, and Zeil, K, additional
Published: 2018
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5. Laser-ablation-based ion source characterization and manipulation for laser-driven ion acceleration

Author: Sommer, P, primary, Metzkes-Ng, J, additional, Brack, F-E, additional, Cowan, T E, additional, Kraft, S D, additional, Obst, L, additional, Rehwald, M, additional, Schlenvoigt, H-P, additional, Schramm, U, additional, and Zeil, K, additional
Published: 2018
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6. Laser-driven ion acceleration via target normal sheath acceleration in the relativistic transparency regime

Author: Poole, P L, primary, Obst, L, additional, Cochran, G E, additional, Metzkes, J, additional, Schlenvoigt, H-P, additional, Prencipe, I, additional, Kluge, T, additional, Cowan, T, additional, Schramm, U, additional, Schumacher, D W, additional, and Zeil, K, additional
Published: 2018
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7. A light-weight compact proton gantry design with a novel dose delivery system for broad-energetic laser-accelerated beams

Author: Masood, U, primary, Cowan, T E, additional, Enghardt, W, additional, Hofmann, K M, additional, Karsch, L, additional, Kroll, F, additional, Schramm, U, additional, Wilkens, J J, additional, and Pawelke, J, additional
Published: 2017
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8. Femtosecond laser-generated high-energy-density states studied by x-ray FELs

Author: Nakatsutsumi, M, primary, Appel, K, additional, Baehtz, C, additional, Chen, B, additional, Cowan, T E, additional, Göde, S, additional, Konopkova, Z, additional, Pelka, A, additional, Priebe, G, additional, Schmidt, A, additional, Sukharnikov, K, additional, Thorpe, I, additional, Tschentscher, Th, additional, and Zastrau, U, additional
Published: 2016
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9. Reflective optical probing of laser-driven plasmas at the rear surface of solid targets

Author: Metzkes, J, primary, Zeil, K, additional, Kraft, S D, additional, Rehwald, M, additional, Cowan, T E, additional, and Schramm, U, additional
Published: 2016
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10. Program and status for the planned underground accelerator in the Dresden Felsenkeller

Author: Bemmerer, D, primary, Akhmadaliev, S, additional, Al-Abdullah, T, additional, Anders, M, additional, Cowan, T E, additional, Elekes, Z, additional, Junghans, A R, additional, Gohl, St, additional, Krause, J, additional, Reinhardt, T P, additional, Reinicke, S, additional, Rimarzig, B, additional, Röder, M, additional, Schmidt, K, additional, Schwengner, R, additional, Szücs, T, additional, Takács, M, additional, Wagner, A, additional, Wagner, L, additional, Wielicki, J, additional, and Zuber, K, additional
Published: 2016
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11. Filamentation control and collimation of laser accelerated MeV protons

Author: Ramakrishna, B, primary, Tayyab, M, additional, Bagchi, S, additional, Mandal, T, additional, Upadhyay, A, additional, Weng, S M, additional, Murakami, M, additional, Cowan, T E, additional, Chakera, J A, additional, Naik, P A, additional, and Gupta, P D, additional
Published: 2015
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12. Positron-Annihilation Lifetime Spectroscopy using Electron Bremsstrahlung

Author: Wagner, A, primary, Anwand, W, additional, Butterling, M, additional, Cowan, T E, additional, Fiedler, F, additional, Fritz, F, additional, Kempe, M, additional, and Krause-Rehberg, R, additional
Published: 2015
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13. Robust energy enhancement of ultrashort pulse laser accelerated protons from reduced mass targets

Author: Zeil, K, primary, Metzkes, J, additional, Kluge, T, additional, Bussmann, M, additional, Cowan, T E, additional, Kraft, S D, additional, Sauerbrey, R, additional, Schmidt, B, additional, Zier, M, additional, and Schramm, U, additional
Published: 2014
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14. Tomographic Positron Annihilation Lifetime Spectroscopy

Author: Wagner, A, primary, Anwand, W, additional, Butterling, M, additional, Fiedler, F, additional, Fritz, F, additional, Kempe, M, additional, and Cowan, T E, additional
Published: 2014
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15. Experimental observation of transverse modulations in laser-driven proton beams

Author: Metzkes, J, primary, Kluge, T, additional, Zeil, K, additional, Bussmann, M, additional, Kraft, S D, additional, Cowan, T E, additional, and Schramm, U, additional
Published: 2014
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16. Position-resolved Positron Annihilation Lifetime Spectroscopy

Author: Wagner, A, primary, Butterling, M, additional, Fiedler, F, additional, Fritz, F, additional, Kempe, M, additional, and Cowan, T E, additional
Published: 2013
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17. First Experiments with MePS

Author: Jungmann, M, primary, Haeberle, J, additional, Krause-Rehberg, R, additional, Anwand, W, additional, Butterling, M, additional, Wagner, A, additional, Johnson, J M, additional, and Cowan, T E, additional
Published: 2013
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18. Prototyping a 2m × 0.5m MRPC-based neutron TOF-wall with steel converter plates

Author: Röder, M, primary, Aumann, T, additional, Bemmerer, D, additional, Boretzky, K, additional, Caesar, C, additional, Cowan, T E, additional, Hehner, J, additional, Heil, M, additional, Elekes, Z, additional, Kempe, M, additional, Maroussov, V, additional, Reinhardt, T P, additional, Simon, H, additional, Sobiella, M, additional, Stach, D, additional, Wagner, A, additional, Wüstenfeld, J, additional, Yakorev, D, additional, Zilges, A, additional, and Zuber, K, additional
Published: 2012
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19. High proton energies from cone targets: electron acceleration mechanisms

Author: Kluge, T, primary, Gaillard, S A, additional, Flippo, K A, additional, Burris-Mog, T, additional, Enghardt, W, additional, Gall, B, additional, Geissel, M, additional, Helm, A, additional, Kraft, S D, additional, Lockard, T, additional, Metzkes, J, additional, Offermann, D T, additional, Schollmeier, M, additional, Schramm, U, additional, Zeil, K, additional, Bussmann, M, additional, and Cowan, T E, additional
Published: 2012
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20. A possible underground accelerator in the Dresden Felsenkeller

Author: Szücs, T, primary, Bemmerer, D, additional, Cowan, T, additional, and Zuber, K, additional
Published: 2012
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21. Use of superconducting linacs for positron generation: the EPOS system at the Forschungszentrum Dresden-Rossendorf (FZD)

Author: Krause-Rehberg, R, primary, Jungmann, M, additional, Krille, A, additional, Werlich, B, additional, Pohl, A, additional, Anwand, W, additional, Brauer, G, additional, Butterling, M, additional, Büttig, H, additional, Kosev, K M, additional, Teichert, J, additional, Wagner, A, additional, and Cowan, T E, additional
Published: 2011
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22. Dose-dependent biological damage of tumour cells by laser-accelerated proton beams

Author: Kraft, S D, primary, Richter, C, additional, Zeil, K, additional, Baumann, M, additional, Beyreuther, E, additional, Bock, S, additional, Bussmann, M, additional, Cowan, T E, additional, Dammene, Y, additional, Enghardt, W, additional, Helbig, U, additional, Karsch, L, additional, Kluge, T, additional, Laschinsky, L, additional, Lessmann, E, additional, Metzkes, J, additional, Naumburger, D, additional, Sauerbrey, R, additional, Schürer, M., additional, Sobiella, M, additional, Woithe, J, additional, Schramm, U, additional, and Pawelke, J, additional
Published: 2010
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23. Transport of hot electron currents in solid targets irradiated by high intensity short laser pulses

Author: Antici, P, primary, Audebert, P, additional, Borghesi, M, additional, Cowan, T, additional, Gremillet, L, additional, Sentoku, Y, additional, and Fuchs, J, additional
Published: 2010
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24. Investigation of high intensity laser proton acceleration with underdense targets

Author: d'Humiéres, E, primary, Feugeas, J L, additional, Nicolaï, P, additional, Gaillard, S, additional, Cowan, T, additional, Sentoku, Y, additional, and Tikhonchuk, V, additional
Published: 2010
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25. Proton acceleration from ultrahigh-intensity short-pulse laser-matter interactions with Cu micro-cone targets at an intrinsic ∼10−8contrast

Author: Gaillard, S A, primary, Flippo, K A, additional, Lowenstern, M E, additional, Mucino, J E, additional, Rassuchine, J M, additional, Gautier, D C, additional, Workman, J, additional, and Cowan, T E, additional
Published: 2010
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26. The scaling of proton energies in ultrashort pulse laser plasma acceleration

Author: Zeil, K, primary, Kraft, S D, additional, Bock, S, additional, Bussmann, M, additional, Cowan, T E, additional, Kluge, T, additional, Metzkes, J, additional, Richter, T, additional, Sauerbrey, R, additional, and Schramm, U, additional
Published: 2010
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27. Processes associated with the fast warming rate of the Southern Hemisphere midlatitude ocean

Author: Cai, Wenju, primary and Cowan, T, additional
Published: 2009
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28. The observed and simulated anatomy of ocean temperature trends

Author: Wiiffels, Susan, primary, Barker, P, additional, Cowan, T, additional, Sullivan, A, additional, and Feng, M, additional
Published: 2009
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29. Recent experiment on fast electron transport in ultra-high intensity laser interaction

Author: Batani, D, primary, Baton, S, additional, Koenig, M, additional, Guillou, P, additional, Loupias, B, additional, Vinci, T, additional, Rousseaux, C, additional, Gremillet, L, additional, Morace, A, additional, Redaelli, R, additional, Nakatsutsumi, M, additional, Kodama, R, additional, Ozaki, N, additional, Norimatsu, T, additional, Rassuchine, J, additional, Cowan, T, additional, Dorchies, F, additional, Fourment, C, additional, and Santos, J J, additional
Published: 2008
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30. Enhanced energy localization and heating in high contrast ultra-intense laser produced plasmas via novel conical micro-target design

Author: Rassuchine, J, primary, d'Humières, E, additional, Baton, S, additional, Fuchs, J, additional, Guillou, P, additional, Koenig, M, additional, Kodama, R, additional, Nakatsutsumi, M, additional, Norimatsu, T, additional, Batani, D, additional, Morace, A, additional, Redaelli, R, additional, Gremillet, L, additional, Rousseaux, C, additional, Dorchies, F, additional, Fourment, C, additional, Santos, J J, additional, Adams, J, additional, Korgan, G, additional, Malekos, S, additional, Sentoku, Y, additional, and Cowan, T E, additional
Published: 2008
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31. Laser wakefield simulations towards development of compact particle accelerators

Author: Geddes, C G R, primary, Bruhwiler, D, additional, Cary, J R, additional, Cormier-Michel, E, additional, Esarey, E, additional, Schroeder, C B, additional, Isaacs, W A, additional, Stinus, N, additional, Messmer, P, additional, Hakim, A, additional, Nakamura, K, additional, Gonsalves, A J, additional, Panasenko, D, additional, Plateau, G R, additional, Toth, Cs, additional, Nagler, B, additional, Tilborg, J van, additional, Cowan, T, additional, Hooker, S M, additional, and Leemans, W P, additional
Published: 2007
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32. Large-scale calculation of dielectronic recombination parameters for Mg-like Fe

Author: Murakami, I, primary, Kato, T, additional, Kato, D, additional, Safronova, U I, additional, Cowan, T E, additional, and Ralchenko, Yu, additional
Published: 2006
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33. Excitation energies, hyperfine constants, E1 transition rates and lifetimes of 4s2nlstates in neutral gallium

Author: Safronova, U I, primary, Cowan, T E, additional, and Safronova, M S, additional
Published: 2006
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34. Laser accelerated ions in ICF research prospects and experiments

Author: Roth, M, primary, Brambrink, E, additional, Audebert, P, additional, Basko, M, additional, Blazevic, A, additional, Clarke, R, additional, Cobble, J, additional, Cowan, T E, additional, Fernandez, J, additional, Fuchs, J, additional, Hegelich, M, additional, Ledingham, K, additional, Logan, B G, additional, Neely, D, additional, Ruhl, H, additional, and Schollmeier, M, additional
Published: 2005
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35. Relativistic many-body calculations of electric-dipole lifetimes, transition rates and oscillator strengths for 2l−13l′ states in Ne-like ions

Author: Safronova, U I, primary, Cowan, T E, additional, and Safronova, M S, additional
Published: 2005
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36. Super-intense quasi-neutral proton beams interacting with plasma: a numerical investigation

Author: Ruhl, H, primary, Cowan, T, additional, Dahlburg, J, additional, Parks, P, additional, and Stephens, R, additional
Published: 2004
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37. The generation of high-quality, intense ion beams by ultra-intense lasers

Author: Roth, M, primary, Allen, M, additional, Audebert, P, additional, Blazevic, A, additional, Brambrink, E, additional, Cowan, T E, additional, Fuchs, J, additional, Gauthier, J-C, additional, Gei el, M, additional, Hegelich, M, additional, Karsch, S, additional, Meyer-ter-Vehn, J, additional, Ruhl, H, additional, Schlegel, T, additional, and Stephens, R B, additional
Published: 2002
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38. Hard x-ray and hot electron production from intense laser irradiation of wavelength-scale particles

Author: Donnelly, T D, primary, Rust, M, additional, Weiner, I, additional, Allen, M, additional, Smith, R A, additional, Steinke, C A, additional, Wilks, S, additional, Zweiback, J, additional, Cowan, T E, additional, and Ditmire, T, additional
Published: 2001
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39. Impact of field ionization on the velocity of an ionization front induced by an electron beam propagating in a solid insulator.

Author: Frolov, B., Krasheninnikov, S., Kemp, A., and Cowan, T.
Published: 2006
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