CERN Accelerating science

CERN Document Server Sök i 23 journaler efter:  1 - 10nästaslut  gå till journal: Sökningen tog 0.51 sekunder. 
1.
Channeling and Radiation Experiments at SLAC / SLAC T513-E212-T523 Collaboration
Since 2014, a SLAC-Aarhus-Ferrara-CalPoly collaboration augmented by members of ANL and MIT has performed electron and positron channeling experiments using bent silicon crystals at the SLAC End Station A Test Beam as well as the FACET accelerator test facility. These experiments have revealed a remarkable channeling efficiency of about 24% under our conditions. [...]
2019 - 9 p. - Published in : Int. J. Mod. Phys. A 34 (2019) 1943006
- Published in : (2020) , pp. 79-87
In : Beam Acceleration in Crystals and Nanostructures: Proceedings of the Workshop, Batavia, IL, USA, 24 - 25 Jun 2019, pp.1943006
2.
Status in 2020 and request for beamtime in 2021 for CERN NA63 / Nielsen, CF ; S{\o}rensen, MB ; S{\o}rensen, AH ; Uggerh{\o}j, UI ; Wistisen, TN ; Di Piazza, A ; Holtzapple, R
In the NA63 experiment of April 2018 reliable data was taken for 40 and 80 GeV electrons and positrons aligned to the $\langle100\rangle$ axis of a diamond crystal of thickness 1.5 mm, as well as for 40 and 80 GeV electrons on a 1.0 mm thick diamond aligned to the $\langle100\rangle$ axis. [...]
CERN-SPSC-2020-016 ; SPSC-SR-272.
- 2020.
Fulltext
3.
Status for 2019, CERN NA63 / Nielsen, CF ; Justesen, JB ; Soerensen, AH ; Uggerhoej, UI ; Wistisen, TN ; Di Piazza, A ; Holtzapple, R
In the NA63 experiment of April 2018 data was taken for 20, 40 and 80 GeV electrons and positrons aligned to the h100i axis of a diamond crystal of thickness 1.5 mm, as well as for 40 and 80 GeV electrons on a 1.0 mm thick diamond aligned to the h100i axis. [...]
CERN-SPSC-2019-018 ; SPSC-SR-253.
- 2019.
Fulltext
4.
CERN Yellow Report Front Cover The Compact Linear Collider (CLIC) - 2018 Summary Report / Burrows, P.N. ; Catalan Lasheras, N. (ed.) ; Linssen, L. (ed.) ; Petrič, M. (ed.) ; Robson, A. (ed.) ; Schulte, D. (ed.) ; Sicking, E. (ed.) ; Stapnes, S. (ed.)
The Compact Linear Collider (CLIC) is a TeV-scale high-luminosity linear $e^+e^−$ collider under development at CERN [...]
arXiv:1812.06018 ; CERN-2018-005-M ; CERN-2018-005 CERN-2018-005-M ; CERN-2018-005. - 2018-12-14 - 112. (CERN Yellow Reports: Monographs ; 2/2018)


Publication
5.
Status for 2018, CERN NA63 / Nielsen, CF ; Uggerhoej, UI ; Di Piazza, A ; Wistisen, TN
In the NA63 experiment of April 2018 the purpose was to look for the effect of the derivative term, the so-called Schott-term, in classical radiation reaction as described in \cite{DiPiazza20171}. [...]
CERN-SPSC-2018-017 ; SPSC-SR-233.
- 2018.
Fulltext
6.
Vacuum birefringence by Compton backscattering through a strong field / Wistisen, Tobias N (Aarhus U.) ; Uggerhøj, Ulrik I (Aarhus U.)
We propose a novel scheme to measure nonlinear effects in electrodynamics arising from QED corrections. Our theoretical starting point is the Heisenberg-Euler-Schwinger effective Lagrangian which predicts that a vacuum with a strong static electromagnetic field turns birefringent. [...]
2013 - 6 p. - Published in : Phys. Rev. D 88 (2013) 053009
7.
Experimental evidence of quantum radiation reaction in aligned crystals / Wistisen, Tobias N. (Aarhus U.) ; Di Piazza, Antonino (Heidelberg, Max Planck Inst.) ; Knudsen, Helge V. (Aarhus U.) ; Uggerhøj, Ulrik I. (Aarhus U.)
Radiation reaction is the influence of the electromagnetic field emitted by a charged particle on the dynamics of the particle itself. Here we report experimental radiation emission spectra from ultrarelativistic positrons in silicon in a regime where both quantum and radiation-reaction effects dominate the dynamics of the positrons. [...]
arXiv:1704.01080.- 2018-02-23 - 14 p. - Published in : Nature Commun. 9 (2018) 795 Fulltext: arXiv:1704.01080 - PDF; s41467-018-03165-4 - PDF;
8.
Status for 2017, CERN NA63 / Uggerhoej, UI ; Wistisen, TN
In the NA63 experiment of May-June 2017 the purpose was to look for the effect of classical radiation reaction as described in \cite{DiPiazza20171} but for 50 GeV positrons aligned to the (110) plane of silicon crystals of varying thicknesses in the range 1-6 mm. [...]
CERN-SPSC-2017-019 ; SPSC-SR-213.
- 2017.
Fulltext
9.
Measurement of shower development and its Molière radius with a four-plane LumiCal test set-up / FCAL Collaboration
A prototype of a luminometer, designed for a future e+e- collider detector, and consisting at present of a four-plane module, was tested in the CERN PS accelerator T9 beam. The objective of this beam test was to demonstrate a multi-plane tungsten/silicon operation, to study the development of the electromagnetic shower and to compare it with MC simulations. [...]
arXiv:1705.03885.- 2018-02-17 - 28 p. - Published in : Eur. Phys. J. C 78 (2018) 135 Article from SCOAP3: PDF; Fulltext: PDF; Main file: PDF;
10.
Status for 2016 and plans for 2017, CERN NA63 / Uggerhoj, UI ; Wistisen, TN ; Di Piazza, A
In the NA63 experiment of May 2016 the purpose was to look for the effect of radiation reaction as described in \cite{DiPiazza20171} but for positrons. [...]
CERN-SPSC-2016-043 ; SPSC-SR-200.
- 2016.
Fulltext

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