CERN Accelerating science

All CERN Accelerators documents

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2021-01-25
13:08
Cherenkov diffraction radiation in beam diagnostics - investigation of a potential tool for FCC-ee / Schloegelhofer, Andreas (Technische Universitaet Wien (AT))
In recent years the investigation of Cherenkov diffraction radiation produced by charged particles passing in close vicinity of dielectric material led to promising prototypes for beam diagnostics. In this report, we present a simulation approach to investigate the radiated energy spectrum from Cherenkov diffraction radiation of a single particle and a particle bunch with a focus on its exploitation for the Future Circular Collider for electrons and positrons (FCC-ee). [...]
CERN-THESIS-2020-267.- 91 p. Fulltext: PDF; External link: Approve this document (restricted)

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2021-01-25
08:28
Longitudinal Phase Space Tomography Version 3 / Grindheim, Christoffer Hjerto (Western Norway University of Applied Sciences (NO)) ; Albright, Simon (CERN)
Longitudinal phase space tomography is essential in most of the CERN synchrotrons to measure longitudinal beam parameters. [...]
CERN-ACC-NOTE-2021-0004.
- 2021. - 24 p.

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2021-01-22
06:27
Dynamics of the interaction of dust particles with the LHC beam / Lindstrom, B (CERN ; Uppsala U.) ; Bélanger, P (CERN ; TRIUMF) ; Gorzawski, A (CERN ; Malta U.) ; Kral, J (CERN ; Prague, Tech. U.) ; Lechner, A (CERN) ; Salvachua, B (CERN) ; Schmidt, R (CERN) ; Siemko, A (CERN) ; Vaananen, M (CERN) ; Valuch, D (CERN) et al.
Micrometer-sized dust particles present in the Large Hadron Collider (LHC) beam pipe are believed to have caused many thousands of sporadic beam loss events around the LHC. These so-called unidentified falling objects (UFOs) have been under continuous study since the start of high intensity beam operation in the LHC due to their impact on the LHC availability: 139 beam dumps and 12 magnet quenches during Run II (2015–2018) alone. [...]
2020 - 14 p. - Published in : Phys. Rev. Accel. Beams 23 (2020) 124501 Fulltext from Publisher: PDF;

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2021-01-22
06:27
EuPRAXIA Conceptual Design Report / Assmann, R W (DESY) ; Weikum, M K (DESY) ; Akhter, T (INFN, Naples) ; Alesini, D (Frascati) ; Alexandrova, A S (Cockcroft Inst. Accel. Sci. Tech. ; U. Liverpool (main)) ; Anania, M P (Frascati) ; Andreev, N E (ITAE, Moscow ; Moscow, MIPT) ; Andriyash, I (Weizmann Inst.) ; Artioli, M (ENEA, Bologna) ; Aschikhin, A (DESY) et al.
This report presents the conceptual design of a new European research infrastructure EuPRAXIA. The concept has been established over the last four years in a unique collaboration of 41 laboratories within a Horizon 2020 design study funded by the European Union. [...]
2020 - 610 p. - Published in : Eur. Phys. J. Spec. Top. 229 (2020) 3675-4284 Fulltext from Publisher: PDF;

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2021-01-22
06:27
Reducing Beam-Related Background on Forward Physics Detectors Using Crystal Collimation at the Large Hadron Collider / Mirarchi, D (Manchester U. ; CERN) ; Avati, V (AGH-UST, Cracow ; CERN) ; Bruce, R (CERN) ; Butcher, M (CERN) ; D'Andrea, M (CERN ; U. Padua (main)) ; Di Castro, M (CERN) ; Deile, M (CERN) ; Dziedzic, B (Cracow, INP) ; Hiller, K (DESY) ; Jakobsen, S (CERN) et al.
Beam collimation in high-energy colliders is customarily carried out by means of massive amorphous absorbers surrounding the circulating beam. Several studies were performed in the last decades to establish an innovative collimation technique that relies on particle deflection by means of channeling between crystalline planes of a bent crystal. [...]
2020 - 20 p. - Published in : Phys. Rev. Applied 14 (2020) 064066 Fulltext: PDF;

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2021-01-21
14:28
simulation of electron beam transport within hollow electron lens using warp and development of calibration method for beam loss monitors / Sedlacek, Ondrej
The High Luminosity LHC aims to double the stored beam energy up to 700 MJ which challenges its collimation system and consequent beam losses measurements to new, greater performances [...]
CERN-THESIS-2020-263 - 45 p.

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2021-01-19
10:18
Test / Bruant Gulejova, Barbora (Universitaet Bern (CH))
Test
IPPOG-PUB-005.- Geneva : CERN, 2021 Test: PDF;

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2021-01-19
06:00
A low fluctuation control strategy for PMSM direct drive system targeting Particle Beam Instrumentation Application / Emery, Jonathan (CERN) ; Andersson, Patrik (CERN) ; Roncarolo, Federico (CERN) ; Thoma, Yann (Appl. Sci. U., Yverdon)
Particle accelerators have a singular environment where multiple constraints are driving the engineering of equipment. [...]
2019. - 7 p.

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2021-01-18
18:17
Particles of the Universe: an ATLAS Experiment Colouring Book in Chinese | 宇宙中的粒子: 超环面仪(ATLAS)实验彩铅绘本 / Anthony, Katarina (Universita degli Studi di Udine (IT)) ; Dantas Oliveira Ribeiro Velho, Mariana (Universidade Nova de Lisboa (PT))
Language: Chinese - The ATLAS Colouring Book (Ages 4+): Explore the world of particles in this free-to-download colouring book! Meet the elementary particles that scientists have discovered – so far! – and learn about the role they play in our Universe..
ATLAS-OUTREACH-2021-007.
- 2021. - 18.
Language: Chinese

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2021-01-18
12:58
Particles of the Universe: an ATLAS Experiment Colouring Book in Portuguese | Partículas do Universo: Um livro de colorir da experiência ATLAS / Anthony, Katarina (Universita degli Studi di Udine (IT)) ; Dantas Oliveira Ribeiro Velho, Mariana (Universidade Nova de Lisboa (PT))
Language: Portuguese - The ATLAS Colouring Book (Ages 4+): Explore the world of particles in this free-to-download colouring book! Meet the elementary particles that scientists have discovered – so far! – and learn about the role they play in our Universe..
ATLAS-OUTREACH-2021-006.
- 2021. - 18.
Language: Portugese

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