Search Results - "ISCHEBECK, R"

Generation and Characterization of Intense Ultralow-Emittance Electron Beams for Compact X-Ray Free-Electron Lasers by Prat, E, Dijkstal, P, Aiba, M, Bettoni, S, Craievich, P, Ferrari, E, Ischebeck, R, Löhl, F, Malyzhenkov, A, Orlandi, G L, Reiche, S, Schietinger, T

“…The transverse emittance of the electron beam is a fundamental parameter in linac-based x-ray free-electron lasers (FELs). We present results of emittance…”
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Breakdown limits on Gigavolt-per-meter electron-beam-driven wakefields in dielectric structures by Thompson, M C, Badakov, H, Cook, A M, Rosenzweig, J B, Tikhoplav, R, Travish, G, Blumenfeld, I, Hogan, M J, Ischebeck, R, Kirby, N, Siemann, R, Walz, D, Muggli, P, Scott, A, Yoder, R B

“…First measurements of the breakdown threshold in a dielectric subjected to GV/m wakefields produced by short (30-330 fs), 28.5 GeV electron bunches have been…”
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Generation of coherent 19- and 38-nm radiation at a free-electron laser directly seeded at 38 nm by Ackermann, S, Azima, A, Bajt, S, Bödewadt, J, Curbis, F, Dachraoui, H, Delsim-Hashemi, H, Drescher, M, Düsterer, S, Faatz, B, Felber, M, Feldhaus, J, Hass, E, Hipp, U, Honkavaara, K, Ischebeck, R, Khan, S, Laarmann, T, Lechner, C, Maltezopoulos, Th, Miltchev, V, Mittenzwey, M, Rehders, M, Rönsch-Schulenburg, J, Rossbach, J, Schlarb, H, Schreiber, S, Schroedter, L, Schulz, M, Schulz, S, Tarkeshian, R, Tischer, M, Wacker, V, Wieland, M

“…Initiating the gain process in a free-electron laser (FEL) from an external highly coherent source of radiation is a promising way to improve the pulse…”
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Ionization-induced electron trapping in ultrarelativistic plasma wakes by Oz, E, Deng, S, Katsouleas, T, Muggli, P, Barnes, C D, Blumenfeld, I, Decker, F J, Emma, P, Hogan, M J, Ischebeck, R, Iverson, R H, Kirby, N, Krejcik, P, O'Connell, C, Siemann, R H, Walz, D, Auerbach, D, Clayton, C E, Huang, C, Johnson, D K, Joshi, C, Lu, W, Marsh, K A, Mori, W B, Zhou, M

“…The onset of trapping of electrons born inside a highly relativistic, 3D beam-driven plasma wake is investigated. Trapping occurs in the transition regions of…”
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High-precision x-ray FEL pulse arrival time measurements at SACLA by a THz streak camera with Xe clusters by Juranić, P N, Stepanov, A, Ischebeck, R, Schlott, V, Pradervand, C, Patthey, L, Radović, M, Gorgisyan, I, Rivkin, L, Hauri, C P, Monoszlai, B, Ivanov, R, Peier, P, Liu, J, Togashi, T, Owada, S, Ogawa, K, Katayama, T, Yabashi, M, Abela, R

“…The accurate measurement of the arrival time of a hard X-ray free electron laser (FEL) pulse with respect to a laser is of utmost importance for pump-probe…”
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Loss monitoring for undulator protection at SwissFEL by Ozkan Loch, C., Llorente Sancho, D., Divall, E., Ebner, E., Pollet, P., Ischebeck, R., Loehl, F.

“…At the x-ray free-electron laser SwissFEL, at the Paul Scherrer Institute, Switzerland, beam loss monitors are used to determine loss positions along the…”
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Simulation of FEL pulse length calculation with THz streaking method by Gorgisyan, I., Ischebeck, R., Prat, E., Reiche, S., Rivkin, L., Juranić, P.

“…Having accurate and comprehensive photon diagnostics for the X‐ray pulses delivered by free‐electron laser (FEL) facilities is of utmost importance. Along with…”
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Nanofabricated free-standing wire scanners for beam diagnostics with submicrometer resolution by Orlandi, G. L., David, C., Ferrari, E., Guzenko, V. A., Ischebeck, R., Prat, E., Hermann, B., Ferianis, M., Penco, G., Veronese, M., Cefarin, N., Dal Zilio, S., Lazzarino, M.

“…Results on fabrication and experimental characterization of wire scanners (WS) with submicrometer spatial resolution are presented. Independently fabricated at…”
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Clocking femtosecond X rays by CAVALIERI, A. L, FRITZ, D. M, SIDDONS, D. P, LOWNEY, D. P, MACPHEE, A. G, WEINSTEIN, D, FALCONE, R. W, PAHL, R, ALS-NIELSEN, J, BLOME, C, DÜSTERER, S, ISCHEBECK, R, LEE, S. H, SCHLARB, H, SCHULTE-SCHREPPING, H, TSCHENTSCHER, Th, SCHNEIDER, J, HIGNETTE, O, SETTE, F, SOKOLOWSKI-TINTEN, K, CHAPMAN, H. N, LEE, R. W, HANSEN, T. N, BUCKSBAUM, P. H, SYNNERGREN, O, LARSSON, J, TECHERT, S, SHEPPARD, J, WARK, J. S, BERGH, M, CALEMAN, C, HULDT, G, VAN DER SPOEL, D, TIMNEANU, N, REIS, D. A, HAJDU, J, AKRE, R. A, BONG, E, EMMA, P, KREJCIK, P, ARTHUR, J, BRENNAN, S, GAFFNEY, K. J, LINDENBERG, A. M, LUENING, K, RUDATI, J, HASTINGS, J. B, MILLS, D. M, FUOSS, P. H, STEPHENSON, G. B, KAO, C. C

“…Linear-accelerator-based sources will revolutionize ultrafast x-ray science due to their unprecedented brightness and short pulse duration. However,…”
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Hosing instability in the blow-out regime for plasma-wakefield acceleration by Huang, C, Lu, W, Zhou, M, Clayton, C E, Joshi, C, Mori, W B, Muggli, P, Deng, S, Oz, E, Katsouleas, T, Hogan, M J, Blumenfeld, I, Decker, F J, Ischebeck, R, Iverson, R H, Kirby, N A, Walz, D

“…The electron hosing instability in the blow-out regime of plasma-wakefield acceleration is investigated using a linear perturbation theory about the electron…”
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Proof-of-principle e + source for future colliders by Vallis, N., Craievich, P., Schär, M., Zennaro, R., Auchmann, B., Braun, H. H., Besana, M. I., Duda, M., Fortunati, R., Garcia-Rodrigues, H., Hauenstein, D., Ischebeck, R., Ismaili, E., Juranić, P., Kosse, J., Magazinik, A., Marcellini, F., Michlmayr, T., Müller, S., Pedrozzi, M., Rotundo, R., Orlandi, G. L., Seidel, M., Strohmaier, N., Zykova, M.

“…The PSI Positron Production ( P 3 or P-cubed) experiment is a e + source and capture system with the potential to increase by an order of magnitude the…”
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Design and experimental tests of free electron laser wire scanners by Orlandi, G. L., Heimgartner, P., Ischebeck, R., Loch, C. Ozkan, Trovati, S., Valitutti, P., Schlott, V., Ferianis, M., Penco, G.

“…SwissFEL is a x-rays free electron laser (FEL) driven by a 5.8 GeV linac under construction at Paul Scherrer Institut. In SwissFEL, wire scanners (WSCs) will…”
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Positron injection and acceleration on the wake driven by an electron beam in a foil-and-gas plasma by Wang, X, Ischebeck, R, Muggli, P, Katsouleas, T, Joshi, C, Mori, W B, Hogan, M J

“…A novel approach for generating and accelerating positron bunches in a plasma wake is proposed and modeled. The system consists of a plasma with an embedded…”
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Energy gain scaling with plasma length and density in the plasma wakefield accelerator by Muggli, P, Blumenfeld, I, Clayton, C E, Decker, F J, Hogan, M J, Huang, C, Ischebeck, R, Iverson, R H, Joshi, C, Katsouleas, T, Kirby, N, Lu, W, Marsh, K A, Mori, W B, Oz, E, Siemann, R H, Walz, D R, Zhou, M

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Study of the transverse coherence at the TTF free electron laser by Ischebeck, R, Feldhaus, J, Gerth, Ch, Saldin, E, Schmüser, P, Schneidmiller, E, Steeg, B, Tiedtke, K, Tonutti, M, Treusch, R, Yurkov, M

“…Double slits with different separations, crossed slits and circular apertures have been used to study the transverse coherence of the VUV light of the SASE…”
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Electron beam characterization of a combined diode rf electron gun by Ganter, R., Beutner, B., Binder, S., Braun, H. H., Garvey, T., Gough, C., Hauri, C., Ischebeck, R., Ivkovic, S., Le Pimpec, F., Li, K., Paraliev, M. L., Pedrozzi, M., Schietinger, T., Steffen, B., Trisorio, A., Wrulich, A.

“…Experimental and simulation results of an electron gun test facility, based on pulsed diode acceleration followed by a two-cell rf cavity at 1.5 GHz, are…”
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Positron production by x rays emitted by betatron motion in a plasma wiggler by Johnson, D K, Auerbach, D, Blumenfeld, I, Barnes, C D, Clayton, C E, Decker, F J, Deng, S, Emma, P, Hogan, M J, Huang, C, Ischebeck, R, Iverson, R, Joshi, C, Katsouleas, T C, Kirby, N, Krejcik, P, Lu, W, Marsh, K A, Mori, W B, Muggli, P, O'Connell, C L, Oz, E, Siemann, R H, Walz, D, Zhou, M

“…Positrons in the energy range of 3-30 MeV, produced by x rays emitted by betatron motion in a plasma wiggler of 28.5 GeV electrons from the SLAC accelerator,…”
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Optimization of positron trapping and acceleration in an electron-beam-driven plasma wakefield accelerator by Wang, X., Muggli, P., Katsouleas, T., Joshi, C., Mori, W. B., Ischebeck, R., Hogan, M. J.

“…Positron trapping and acceleration in a plasma wake using a four-bunch scheme [X. Wang et al., Phys. Rev. Lett. 101, 124801…”
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Transverse emittance and current of multi-GeV trapped electrons in a plasma wakefield accelerator by Kirby, N., Blumenfeld, I., Clayton, C. E., Decker, F. J., Hogan, M. J., Huang, C., Ischebeck, R., Iverson, R. H., Joshi, C., Katsouleas, T., Lu, W., Marsh, K. A., Martins, S. F., Mori, W. B., Muggli, P., Oz, E., Siemann, R. H., Walz, D. R., Zhou, M.

“…Multi-GeV trapped electron bunches in a plasma wakefield accelerator (PWFA) are observed with normalized transverse emittance divided by peak current,…”
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Scaling of the longitudinal electric field and transformer ratio in a nonlinear plasma wakefield accelerator by Blumenfeld, I., Clayton, C. E., Decker, F. J., Hogan, M. J., Huang, C., Ischebeck, R., Iverson, R. H., Joshi, C., Katsouleas, T., Kirby, N., Lu, W., Marsh, K. A., Mori, W. B., Muggli, P., Oz, E., Siemann, R. H., Walz, D. R., Zhou, M.

“…The scaling of the two important figures of merit, the transformer ratio T and the longitudinal electric field E_{z}, with the peak drive-bunch current I_{p},…”
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