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
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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
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2021-01-21 14:28 |
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2021-01-19 10:18 |
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2021-01-19 06:00 |
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2021-01-18 18:17 |
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2021-01-18 12:58 |
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2021-01-18 09:54 |
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2021-01-15 15:51 |
Studies of Breakdown and Pre-Breakdown Phenomena in High Gradient Accelerating Structures
/ Paszkiewicz, Jan (University of Oxford (GB))
Vacuum breakdown is a complex process and an important limiting factor of the performance of normal-conducting high-gradient particle accelerators, and can result in loss of luminosity in particle collider applications, as well as damage to accelerating structures. The work presented here was done in the context of the Compact Linear Collider (CLIC) study, but is also relevant to a variety of applications such as medical linear accelerators or high-electric-field vacuum electronics. [...]
CERN-THESIS-2020-260.-
237 p.
Fulltext: PDF; External link: Approve this document (restricted)
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