https://wiki.shared.siscern.org/api.php?action=feedcontributions&feedformat=atom&user=Vigen 2026-10-01T11:45:38Z User contributions MediaWiki 1.44.6 https://wiki.shared.siscern.org/index.php?title=Stella_Christodoulaki&diff=4630 2025-10-27T17:17:46Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Fritz_Caspers&diff=4106 2025-09-23T13:33:30Z

<p>Vigen: </p> <hr /> <div>'''Friedhelm “Fritz” Caspers''', was born in Bonn, Germany in 1950. He passed away on 12 March 2025.<br /> <br /> Caspers studied electrical engineering at RWTH Aachen. He joined CERN in 1981, first as a fellow and then as a staff member. During the 1980s Caspers contributed to stochastic cooling in CERN’s antiproton programme. In the team of [[Georges Carron]] and [[Lars Thorndahl]], he helped devise ultra-fast microwave stochastic cooling systems for the then new antiproton cooler ring. He also initiated the development of power field-effect transistors that are still operational today in CERN’s Antiproton Decelerator ring. Fritz Caspers conceived novel geometries for pickups and kickers, such as slits cut into ground plates, as now used for the GSI FAIR project, and meander-type electrodes. From 1988 to 1995, Caspers was responsible for all 26 stochastic-cooling systems at CERN. In 1990 he became a senior member of the Institute of Electrical and Electronics Engineers (IEEE), before being distinguished as an IEEE Life Fellow later in his career.&lt;ref&gt;''Phys. Rev. D'' 111 (2025) 082009&lt;/ref&gt;<br /> <br /> Obituary: https://cerncourier.com/a/fritz-caspers-1950-2025/<br /> <br /> List of publications: https://inspirehep.net/authors/1014329?format=json<br /> <br /> ==Notes and references==<br /> {{Reflist}}<br /> <br /> [[Category: Accelerator physicists]]</div>

Vigen https://wiki.shared.siscern.org/index.php?title=Fritz_Caspers&diff=4105 2025-09-23T13:27:33Z

<p>Vigen: </p> <hr /> <div>'''Friedhelm “Fritz” Caspers''', was born in Bonn, Germany in 1950. He passed away on 12 March 2025.<br /> <br /> Caspers studied electrical engineering at RWTH Aachen. He joined CERN in 1981, first as a fellow and then as a staff member. During the 1980s Caspers contributed to stochastic cooling in CERN’s antiproton programme. In the team of [[Georges Carron]] and [[Lars Thorndahl]], he helped devise ultra-fast microwave stochastic cooling systems for the then new antiproton cooler ring. He also initiated the development of power field-effect transistors that are still operational today in CERN’s Antiproton Decelerator ring. Fritz Caspers conceived novel geometries for pickups and kickers, such as slits cut into ground plates, as now used for the GSI FAIR project, and meander-type electrodes. From 1988 to 1995, Caspers was responsible for all 26 stochastic-cooling systems at CERN. In 1990 he became a senior member of the Institute of Electrical and Electronics Engineers (IEEE), before being distinguished as an IEEE Life Fellow later in his career.&lt;ref&gt;''Phys. Rev. D'' 111 (2025) 082009&lt;/ref&gt;<br /> <br /> Obituary: https://cerncourier.com/a/fritz-caspers-1950-2025/<br /> <br /> List of publications: https://inspirehep.net/authors/1014329?format=json<br /> ==Notes and references==<br /> {{Reflist}}<br /> <br /> [[Category: Accelerator physicists]]</div>

Vigen https://wiki.shared.siscern.org/index.php?title=Mick_Storr&diff=4104 2025-09-10T16:29:10Z

<p>Vigen: </p> <hr /> <div>* 1975-present '''SENIOR,''' CERN<br /> * 1975 '''PHD,''' Birmingham U.<br /> * 1970 '''UNDERGRADUATE,''' Birmingham U.<br /> <br /> https://inspirehep.net/authors/987413?format=json</div>

Vigen https://wiki.shared.siscern.org/index.php?title=Mick_Storr&diff=4103 2025-09-10T16:27:43Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Jens_Vigen&diff=4102 2025-09-10T16:26:06Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Poul_Kjaer_Frandsen&diff=4101 2025-09-10T16:26:02Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Brieuc_Francois&diff=4100 2025-09-10T16:26:02Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Manuel_Franco_Sevilla&diff=4099 2025-09-10T16:26:02Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Vinicius_Franco_Lima&diff=4098 2025-09-10T16:26:02Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Tom_Francke&diff=4097 2025-09-10T16:26:02Z

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Vigen https://wiki.shared.siscern.org/index.php?title=David_Francis&diff=4096 2025-09-10T16:26:02Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Anthony_Francis&diff=4095 2025-09-10T16:26:01Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Gabriele_Franciolini&diff=4094 2025-09-10T16:26:01Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Franco_Francia&diff=4093 2025-09-10T16:26:01Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Silvia_Franchino&diff=4092 2025-09-10T16:26:01Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Andrea_Franchi&diff=4091 2025-09-10T16:26:01Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Andrea_Francescon&diff=4090 2025-09-10T16:26:01Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Roberto_Franceschini&diff=4089 2025-09-10T16:26:01Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Michel_Franceschi&diff=4088 2025-09-10T16:26:01Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Claude_Francano&diff=4087 2025-09-10T16:26:00Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Antonio_Francano&diff=4086 2025-09-10T16:26:00Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Paul_Howard_Frampton&diff=4085 2025-09-10T16:26:00Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Bertrand_Frammery&diff=4084 2025-09-10T16:26:00Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Daniel_Fraissard&diff=4083 2025-09-10T16:26:00Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Bernardo_Fraiman&diff=4082 2025-09-10T16:26:00Z

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Vigen https://wiki.shared.siscern.org/index.php?title=L.M._Fraile&diff=4081 2025-09-10T16:25:59Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Jean-Michel_Fraigne&diff=4080 2025-09-10T16:25:59Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Jorge_Fraga&diff=4079 2025-09-10T16:25:59Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Tony_Fowler&diff=4078 2025-09-10T16:25:59Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Arnaud_Foussat&diff=4077 2025-09-10T16:25:59Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Olivier_Fournier&diff=4076 2025-09-10T16:25:59Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Cedric_Fournier&diff=4075 2025-09-10T16:25:59Z

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Vigen https://wiki.shared.siscern.org/index.php?title=David_Foster&diff=4074 2025-09-10T16:25:59Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Roger_W._Forty&diff=4073 2025-09-10T16:25:58Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Jean-Francois_Fortin&diff=4072 2025-09-10T16:25:58Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Etienne_Marie_Fortin&diff=4071 2025-09-10T16:25:58Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Laurent_Forthomme&diff=4070 2025-09-10T16:25:58Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Eve_Fortescue-Beck&diff=4069 2025-09-10T16:25:58Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Vincenzo_Forte&diff=4068 2025-09-10T16:25:58Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Ronald_Forrest&diff=4067 2025-09-10T16:25:58Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Fabio_Formenti&diff=4066 2025-09-10T16:25:57Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Doris_Forkel-Wirth&diff=4065 2025-09-10T16:25:57Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Margaux_Forge&diff=4064 2025-09-10T16:25:57Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Jill_Karlson_Forestier&diff=4063 2025-09-10T16:25:57Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Antonio_Foreste&diff=4062 2025-09-10T16:25:57Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Darren_A._Forde&diff=4061 2025-09-10T16:25:57Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Gilles_Forconi&diff=4060 2025-09-10T16:25:57Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Katy_Foraz&diff=4059 2025-09-10T16:25:56Z

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Vigen https://wiki.shared.siscern.org/index.php?title=Marianna_Fontana&diff=4058 2025-09-10T16:25:56Z

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