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Dive into the research topics where Alberto Martinez de la Ossa is active.

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Featured researches published by Alberto Martinez de la Ossa.


Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 2018

Analytical model for the uncorrelated emittance evolution of externally injected beams in plasma-based accelerators

Alexander Aschikhin; Timon Mehrling; Alberto Martinez de la Ossa; J. Osterhoff

Author(s): Aschikhin, A; Mehrling, TJ; Martinez de la Ossa, A; Osterhoff, J | Abstract:


Archive | 2018

Optimisation of High Transformer Ratio Plasma Wakefield Acceleration at PITZ

Gregor Loisch; Jens Osterhoff; Prach Boonpornprasert; F. Stephan; M. Krasilnikov; Matthias Groß; O. Lishilin; J. Good; A. Oppelt; Alberto Martinez de la Ossa; Reinhard Brinkmann; Y. Renier; Florian Grüner; Holger Huck

The transformer ratio, the ratio between maximum accelerating field and maximum decelerating field in the driving bunch of a plasma wakefield accelerator (PWFA), is one of the key aspects of this acceleration scheme. It not only defines the maximum possible energy gain of the PWFA but it is also connected to the maximum percentage of energy that can be extracted from the driver, which is a limiting factor for the efficiency of the accelerator. Since in linear wakefield theory a transformer ratio of 2 cannot be exceeded with symmetrical drive bunches, any ratio above 2 is considered high. After the first demonstration of high transformer ratio acceleration in a plasma wakefield at PITZ, the photoinjector test facility at DESY, Zeuthen site, limiting aspects of the transformer ratio are under investigation. This includes e.g. the occurrence of bunch instabilities, like the transverse two stream instability, or deviations of the experimentally achieved bunch shapes from the ideal.


Physical Review Letters | 2018

Observation of High Transformer Ratio Plasma Wakefield Acceleration

Gregor Loisch; Galina Asova; Prach Boonpornprasert; R. Brinkmann; Ye Chen; Johannes Engel; J. Good; M. Gross; Florian Grüner; H. Huck; Davit Kalantaryan; M. Krasilnikov; O. Lishilin; Alberto Martinez de la Ossa; Timon Mehrling; D. Melkumyan; A. Oppelt; Jens Osterhoff; Houjun Qian; Y. Renier; Frank Stephan; Carmen Tenholt; Valentin Wohlfarth; Quantang Zhao


8th International Particle Accelerator Conference | 2017

Experimental Investigation of High Transformer Ratio Plasma Wakefield Acceleration at PITZ

Gregor Loisch; Jens Osterhoff; Prach Boonpornprasert; F. Stephan; M. Krasilnikov; Timon Mehrling; Matthias Groß; O. Lishilin; T. Rublack; Alberto Martinez de la Ossa; Holger Huck; A. Oppelt; Galina Asova; Reinhard Brinkmann; Y. Renier; Florian Grüner; J. Good


IPAC 2016 : Proceedings of the 7th International Particle Accelerator Conference, Busan, Korea, May 8-13, 2016. Paper WEPMY006 | 2016

A High Transformer Ratio Scheme for PITZ PWFA Experiments

Gregor Loisch; Alexander Aschikhin; Matthias Groß; Martin Hochberg; H. Huck; Alberto Martinez de la Ossa; A. Oppelt; Jens Osterhoff; Y. Renier; Martin Sack; Frank Stephan


DESY Beschleuniger Ideenmarkt 2017 | 2017

Laboratory astrophysics: Bell’s instability, a cosmic-ray driven magnetic field fluctuation.

Chun-Sung Jao; M. Gross; Jens Osterhoff; J. Niemiec; M. Pohl; F. Stephan; M. Krasilnikov; Timon Mehrling; Alberto Martinez de la Ossa; Gregor Loisch; Ye Chen; A. Oppelt; Sergei Vafin


Bulletin of the American Physical Society | 2017

Mechanisms for the mitigation of the hose instability in plasma-wakefield accelerators

Timon Mehrling; C. B. Schroeder; Alberto Martinez de la Ossa; Ricardo Fonseca; Jorge Vieira; J. Osterhoff


8th International Particle Accelerator Conference | 2017

FLASHForward - A Future-Oriented Wakefield-Accelerator Research and Development Facility at FLASH

Richard D'Arcy; Gregor Indorg; Frank Marutzky; Jan Hendrik Röckemann; L. Schaper; Jan-Patrick Schwinkendorf; Laura Di Lucchio; Jan-Niclas Gruse; Simon Bohlen; K. Ludwig; Stefan Weichert; B. Foster; Zhanghu Hu; C. Behrens; Matthias Felber; John Dale; Sarah Schröder; Jens Osterhoff; S. Karstensen; P. Pourmoussavi; Alexander Aschikhin; Alberto Martinez de la Ossa; Timon Mehrling; Gabriele Tauscher; Bernhard Schmidt; Stephan Wesch; Steffen Wunderlich; Matthew Streeter; Martin Quast; Violetta Wacker


8th International Particle Accelerator Conference | 2017

VisualPIC: A New Data Visualizer and Post-Processor for Particle-in-Cell Codes

Ralph Aßmann; Angel Ferran Pousa; Alberto Martinez de la Ossa


8th International Particle Accelerator Conference | 2017

Investigating the Key parameters of a Staged Laser- and Particle Driven Plasma Wakefield Accelerator Experiment

T. Heinemann; Omid Zarini; Alberto Martinez de la Ossa; Thomas Kurz; Olena Kononenko; U. Schramm; A. Köhler; Bernhard Hidding; A. Irman; Jurjen Couperus; Ralph Aßmann

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M. Krasilnikov

Moscow State University of Printing Arts

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Frank Stephan

Argonne National Laboratory

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L. Schaper

Queen's University Belfast

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A. Irman

Helmholtz-Zentrum Dresden-Rossendorf

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