George, S P - Search Results - CERN Document Server

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10 Years of Timepix in Space – How CERN Detectors are supporting Human Spaceflight / George, Stuart (speaker) ; George, Stuart P. (speaker) (NASA)
Starting with a tech demo flight in 2012 CERN designed Timepix hybrid pixel detectors are now ubiquitous in NASA human space flight as charged particle detectors.This seminar reviews the space radiation environment and its relevance to human health, what sort of capabilities are needed from radiation instrumentation in space and how hybrid pixel detectors meet and exceed those goals.We discuss key results from the 10 year history of Timepix on the International Space Station through to the current network of 11 instruments spread throughout the ISS as well as the flight of a Timepix based instrument on the Orion ETF-1 mission.We review how Timepix based instruments are being used to support near future spaceflight efforts including the Artemis 1 lunar mission, the Biosentinel deep space radiation biology experiment, the Peregrine lunar lander and the private SpaceX Polaris Dawn mission all of which are scheduled to fly in the next six months.Finally we discuss the medium and longer term future for Timepix detectors as part of NASA space flight efforts, including continued support of the Artemis manned lunar missions, deployments on the Lunar Gateway and NASA Human Landing system (SpaceX starship) as well as current efforts to develop next generation Timepix sensors for space weather early warning, planetary science and space biology applications.Speaker BiographyDr. Stuart George works for the Space Radiation Analysis Group at NASA Johnson Space Center in Houston, USA where he serves as science lead for a number of NASA instruments and project lead for the Compact Electron Proton Spectrometer detector.Dr. [...]
2022 - 4173. Detector Seminar External link: Event details In : 10 Years of Timepix in Space – How CERN Detectors are supporting Human Spaceflight

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3D energy deposition measurements with the GEMPix detector in a water phantom for hadron therapy / Leidner, J (CERN) ; Ciocca, M ; George, S P ; Mirandola, A ; Murtas, F ; Rimoldi, A ; Silari, M ; Tamborini, A
In this paper we present 3D measurements of the energy deposition by a clinical carbon ion beam in a water phantom. Conventionally, these measurements are performed with an array of ionization chambers and used for quality assurance. [...]
2018 - Published in : JINST 13 (2018) P08009-P08009

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Very high energy calibration of silicon Timepix detectors / George, S P ; Kroupa, M ; Wheeler, S ; Kodaira, S ; Kitamura, H ; Tlustos, L (CERN) ; Campbell-Ricketts, T ; Stoffle, N N ; Semones, E ; Pinsky, L
We investigate energy measurements in Timepix hybrid detectors in hole collection mode above pixel input energy depositions of about 2.2 MeV or 600,000 electron/hole pairs in Silicon. Measurement of the detector response well above this regime is important for our application measuring the heavy ion exposure of NASA astronauts. [...]
2018 - Published in : JINST 13 (2018) P11014 Fulltext: PDF; Fulltext from Publisher: PDF;

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Measurement of an accelerator based mixed field with a Timepix detector / George, S P (CERN) ; Severino, C T (CERN) ; Fröjdh, E (CERN) ; Murtas, F (CERN) ; Silari, M (CERN)
We present an analysis of a high energy mixed field taken with a Timepix chip at the CERF facility at CERN. The Timepix is an active array of 65K energy measuring pixels which allows visualization and energy measurement of the tracks created by individual particles. [...]
2015 - Published in : JINST 10 (2015) P03005 Fulltext: PDF;

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Particle tracking with a Timepix based triple GEM detector / George, S P (CERN ; Wollongong U.) ; Murtas, F (CERN) ; Alozy, J (CERN) ; Curioni, A (CERN) ; Rosenfeld, A B (Wollongong U.) ; Silari, M (CERN)
This paper details the response of a triple GEM detector with a 55 μmetre pitch pixelated ASIC for readout. The detector is operated as a micro TPC with 9.5 cm(3) sensitive volume and characterized with a mixed beam of 120 GeV protons and positive pions. [...]
2015 - Published in : JINST 10 (2015) P11003 IOP Open Access article: PDF;

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See also: similar author names
270	GEORGE, S
270	George, S
6	George, S D
4	George, S J
1	George, S M
45	George, S.
1	George, S.,
2	George, Sam O
1	George, Samuel
10	George, Samuel J
2	George, Sandip V
2	George, Santhosh
11	George, Sebastian
7	George, Sebastien
1	George, Serena DeBeer
1416	George, Simon
1	George, Stella
1	George, Stuart
1	George, Stuart P.
1	George, Subi
7	George, Sébastien

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