CERN Accelerating science

Accelerator Physics

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2018-10-16
06:47
Quadrupole-free detector optics design for the Compact Linear Collider final focus system at 3 TeV / Plassard, Fabien (CERN) ; Latina, Andrea (CERN) ; Marin, Eduardo (CERN) ; Tomás, Rogelio (CERN) ; Bambade, Philip (Orsay, LAL)
Aiming to simplify the machine detector interface of the Compact Linear Collider (CLIC), a new detector model has been designed allowing the last quadrupole QD0 of the final focus system (FFS) to be located outside of the experiment with a distance L* from the interaction point of 6 m. In this paper, the beam delivery system (BDS) has been reoptimized, offering a luminosity performance that exceeds the design requirements by 11% for the total luminosity and by 7% in the energy peak. [...]
2018 - 13 p. - Published in : Phys. Rev. Accel. Beams 21 (2018) 011002 Fulltext: PDF;

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2018-10-15
17:33
Beam optics calculations for CLIC / Pastushenko, Andrii
This Master's thesis was done in the framework of the Master 2 Grands Instruments program of Université Paris Sud and was conducted at the European Organization for Nuclear Research (CERN) [...]
CERN-THESIS-2018-192 - 49 p.

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2018-10-15
16:50
Optimization of the Beam Size at the Interaction Point of the Accelerator Test Facility 2 / Cilento, Vera
A new era of discovery in particle physics has opened in November 2009 with the start-up of the Large Hadron Collider (LHC) at CERN, the European Organization for Nuclear Research, in Geneva, Switzerland [...]
CERN-THESIS-2018-191 - 82 p.

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2018-10-15
13:29
Design and Beam Dynamics Studies for 5 GeV Electron Linac in CLIC Positron Source / Keskin, Umut
CLIC (Compact Linear Collider) and ILC (International Linear Collider) are the two future linear collider projects after LHC (Large Hadron Collider) era [...]
CERN-THESIS-2018-190 - Abant Izzet Baysal University, Bolu, Turkey : Umut Keskin, 2018-06-19. - 68 p.

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2018-10-11
15:10
Luminosity Performance Limitations Due to the Beam-Beam Interaction in the Large Hadron Collider / Crouch, Matthew Paul
In the Large Hadron Collider (LHC), particle physics events are created by colliding high energy proton beams at a number of interaction points around the ring [...]
CERN-THESIS-2017-420 - 240 p.

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2018-10-10
16:26
Round telescopic optics with large telescopic index / Fartoukh, Stephane (CERN) ; Amorim, David (Universite Grenoble-Alpes (FR)) ; Antipov, Sergey (CERN) ; Bracco, Chiara (CERN) ; Bruce, Roderik (CERN) ; Buffat, Xavier (CERN) ; Carlier, Felix Simon (Technische Universiteit Delft (NL)) ; Coello De Portugal - Martinez Vazquez, Jaime Maria (Universitat Politecnica Catalunya (ES)) ; Fuster Martinez, Nuria (CERN) ; Garcia-Tabares Valdivieso, Ana (Universidad Complutense (ES)) et al.
This paper highlights the main results from the 2017 LHC MD program which was deployed to commission round ATS optics with high telescopic index, and ultimately to study their properties in terms of long-range beam-beam effect and octupole thresholds for coherent instabilities (MD2269) [...]
CERN-ACC-2018-0032.
- 2018. - 24 p.

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2018-10-09
17:08
Cover not available ICFA Mini-Workshop on Impedances and Beam Instabilities   18 - 22 Sep 2017  - Benevento, Italy  / Brancolini, Valeria (ed.) (CERN); Rumolo, Giovanni (ed.) (CERN); Masullo, Maria Rosaria (ed.) (INFN, Naples); Petracca, Stefania (ed.) (Sannio U.)
The ICFA Mini-Workshop on Impedances and Beam Instabilities in Particle Accelerators, was held in Benevento, Italy, from 18 to 22 September, 2017. The rich scientific program of the workshop was defined and shaped by a strongly motivated International Advisory Committee, composed of worldwide experts who actively provided their inputs. [...]
Geneva : CERN, 2018 - 146 p. CERN-2018-003-CP
e-proceedings
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2018-10-08
18:36
Design and Optimization of the Beam Orbit and Oscillation Measurement System for the Large Hadron Collider / Olexa, Jakub
The Large Hadron Collider (LHC) accommodates some 100 collimators whose role is to perform beam cleaning and protect the machine from dangerous particle losses [...]
CERN-THESIS-2018-185 - 236 p.

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2018-10-04
09:07
Beam optics and dynamics / Wilson, E J N
CERN-PS-AA-83-027.
- 1983. - 11 p.
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2018-10-03
04:08
The Effect of Electron Lens as Landau Damping Device on Single Particle Dynamics in HL-LHC / Valishev, Alexander (Fermilab)
An electron lens can serve as an effective mechanism for suppressing coherent instabilities in high intensity storage rings through nonlinear amplitude dependent betatron tune shift. [...]
FERMILAB-TM-2659-AD-APC ; arXiv:1707.08239.
- 5 p.
Preprint

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