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CERN Accelerating science

CERN Document Server 19 εγγραφές βρέθηκαν  1 - 10επόμενο  μετάβαση στην εγγραφή: Η έρευνα πήρε 0.63 δευτερόλεπτα. 
1.
Measurement of the emittance of accelerated electron bunches at the AWAKE experiment / AWAKE Collaboration
The vertical plane transverse emittance of accelerated electron bunches at the AWAKE experiment at CERN has been determined, using three different methods of data analysis. [...]
arXiv:2411.08681.
- 20.
Fulltext
2.
Experimental Observation of Motion of Ions in a Resonantly Driven Plasma Wakefield Accelerator / AWAKE Collaboration
We show experimentally that an effect of motion of ions, observed in a plasma-based accelerator, depends inversely on the plasma ion mass. [...]
arXiv:2406.16361.
- 9.
Fulltext
3.
Filamentation of a Relativistic Proton Bunch in Plasma / AWAKE Collaboration
We show in experiments that a long, underdense, relativistic proton bunch propagating in plasma undergoes the oblique instability, that we observe as filamentation. We determine a threshold value for the ratio between the bunch transverse size and plasma skin depth for the instability to occur. [...]
arXiv:2312.13883.- 2024-05-07 - 8 p. - Published in : Phys. Rev. E 109 (2024) 055203 Fulltext: Publication - PDF; 2312.13883 - PDF; External link: Physics Synopsis
4.
Assessment of beam-intercepting device robustness for intensity increase in CERN’s North Area / Sharp, C J (CERN) ; Francia, A Romero (CERN) ; Ximenes, R Franqueira (CERN) ; Calviani, M (CERN) ; Grenard, J -L (CERN) ; Mazzola, G (CERN) ; Esposito, L S (CERN) ; Bernhard, J (CERN) ; Mazuecos, A Lafuente (CERN) ; Galan, F Sanchez (CERN) et al.
CERN's North Area comprises several target and experimental systems and is a zone of interest for future development. Provision of beam to this area relies upon several beam-intercepting devices located in various branched transfer lines from the Super Proton Synchrotron. [...]
2023 - 4 p. - Published in : JACoW: IPAC2023 (2023) , pp. WEPM114
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.WEPM114
5.
TT20 unsplit beam optics for dedicated ECN3 operation / Ramjiawan, Rebecca Louise (CERN) ; Velotti, Francesco Maria (CERN) ; Fraser, Matthew Alexander (CERN)
The Transfer Tunnel 20 (TT20) in the CERN North Area (NA) contains transfer lines TT21-25 to transport beam extracted from the Super Proton Synchrotron (SPS). The beam is shared between three primary production targets simultaneously using two sets of Lamberston septa magnets [...]
CERN-PBC-Notes-2023-005.- Geneva : CERN, 2023 - 10. Fulltext: PDF;
6.
Development of the Self-Modulation Instability of a Relativistic Proton Bunch in Plasma / AWAKE Collaboration
Self-modulation is a beam-plasma instability that is useful to drive large-amplitude wakefields with bunches much longer than the plasma skin depth. We present experimental results showing that, when increasing the ratio between the initial transverse size of the bunch and the plasma skin depth, the instability occurs later along the bunch, or not at all, over a fixed plasma length, because the amplitude of the initial wakefields decreases. [...]
arXiv:2305.05478.- 2023-08-01 - 10 p. - Published in : Phys. Plasmas 30 (2023) 083104 Fulltext: 2305.05478 - PDF; Publication - PDF;
7.
Findings of the Physics Beyond Colliders ECN3 Beam Delivery Task Force / Ahdida, Claudia (CERN) ; Bartosik, Hannes (CERN) ; Bernhard, Johannes (CERN) ; Brugger, Markus (CERN) ; Calviani, Marco (CERN) ; Colinet, Antoine (CERN) ; Esposito, Luigi Salvatore (CERN) ; Franqueira Ximenes, Rui (CERN) ; Fraser, Matthew Alexander (CERN) ; Gautheron, Fabrice (University of Patras (GR)) et al.
The ECN3 Beam Delivery Task Force was mandated by the PBC Study Group to assess the technical feasibility of increasing the proton beam intensity to the ECN3 hall of the North Area to satisfy the demands of a compelling set of PBC experimental physics proposals. This report summarises the findings of the Task Force that converge on a technically feasible solution with an implementation timeline that could exploit and build upon the investment already foreseen as part of Phase 1 of the NA-CONS project, and take the SPS complex into a new intensity frontier for Fixed Target physics in Run4..
CERN-PBC-REPORT-2023-001.- Geneva : CERN, 06 - 43. PBC ECN3 TF Final Report: PDF;
8.
The AWAKE Run 2 programme and beyond / AWAKE Collaboration
Plasma wakefield acceleration is a promising technology to reduce the size of particle accelerators. Use of high energy protons to drive wakefields in plasma has been demonstrated during Run 1 of the AWAKE programme at CERN. [...]
arXiv:2206.06040.- 2022-08-12 - 21 p. - Published in : Symmetry 14 (2022) 1680 Fulltext: document - PDF; 2206.06040 - PDF;
9.
SPS MD5044: machine stability characterisation of Gamma Factory SPS Proof-of-Principle Experiment / Ramjiawan, Rebecca Louise (CERN) ; Bartosik, Hannes (CERN) ; Dutheil, Yann (CERN) ; Hofle, Wolfgang (CERN) ; Krasny, Mieczyslaw Witold (Centre National de la Recherche Scientifique (FR)) ; Martens, Aurelien (Université Paris-Saclay (FR)) ; Papaphilippou, Yannis (CERN) ; Petrenko, Alexey ; Velotti, Francesco Maria (CERN)
The Gamma Factory (GF) initiative proposes an innovative method of producing high-energy, high-intensity photon beams via the laser-excitation and subsequent decay of relativistic partially stripped ions stored in the CERN LHC. [...]
CERN-ACC-NOTE-2022-0014 ; CERN-PBC-Notes-2022-006.
- 2022. - 16 p.
Full text
10.
Controlled Growth of the Self-Modulation of a Relativistic Proton Bunch in Plasma / AWAKE Collaboration
A long, narrow, relativistic charged particle bunch propagating in plasma is subject to the self-modulation (SM) instability. We show that SM of a proton bunch can be seeded by the wakefields driven by a preceding electron bunch. [...]
arXiv:2203.13752.- 2022-07-06 - 7 p. - Published in : Phys. Rev. Lett. 129 (2022) 024802 Fulltext: 2203.13752 - PDF; PhysRevLett.129.024802 - PDF;

CERN Document Server : 19 εγγραφές βρέθηκαν   1 - 10επόμενο  μετάβαση στην εγγραφή:
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5 Ramjiawan, R
1 Ramjiawan, R L
2 Ramjiawan, R.
24 Ramjiawan, Rebecca
7 Ramjiawan, Rebecca Louise
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