CERN Accelerating science

ATS Notes

Letzte Einträge:
2015-07-29
14:39
Energy Matching Between LEIR and PS / Hancock, Steven (CERN)
This note gives an operations procedure based on the PS Tomoscope and Trajectory Measurement System (TMS) to adjust the ion beam momentum at transfer from LEIR to the PS in a way that guarantees a correct transfer between the two machines without any modification of the LEIR magnetic cycle. [...]
CERN-ACC-NOTE-2015-0019.
- 2015.

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2015-07-10
10:18
First estimation of the photon absorbers horizontal aperture for TLEP / Mounet, Nicolas Frank (CERN)
This note gives a simple estimate of the horizontal aperture of the photon absorbers that could be used in the TLEP collider, to intercept synchrotron radiation from dipoles..
CERN-ACC-NOTE-2015-0018.
- 2015. - 7 p.
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2015-07-10
10:15
Electromagnetic fields created by a beam in an axisymmetric infinitely thick single-layer resistive pipe: general formulas and low frequency approximations / Mounet, Nicolas Frank (CERN) ; Metral, Elias (CERN)
This note provides general and approximate formulas for the electromagnetic fields created by a passing beam in an axisymmetric infinitely thick resistive pipe made of a single homogeneous layer. [...]
CERN-ACC-NOTE-2015-0017.
- 2015. - 69 p.
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2015-07-02
10:19
Measurement Report for the Four-Rod LHC Crab Cavity. Cold Tests held in July 2014 / Navarro Tapia, Maria (CERN) ; Burt, G (The Cockcroft Institute, Lancaster University, Daresbury, United Kingdom) ; Calaga, Rama (CERN) ; Hernandez Chahin, Karim Gibran (Universidad de Guanajuato (MX)) ; Junginger, Tobias (CERN) ; Macpherson, Alick (CERN) ; Torres-Sanchez, Roberto (CERN)
The performance of the four-rod cavity prototype considered for the HL-LHC upgrade has already been assessed at CERN at cryogenic temperatures three times in the last two years [1, 2, 3]. [...]
CERN-ACC-NOTE-2015-0016.
- 2015. - 15 p.
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2015-06-02
13:30
A design for an 802 MHz ERL Cavity / Calaga, Rama (CERN)
A low to medium energy recovery linac facility from 150-450-900 MeV in several stages is under study at CERN for validating important beam dynamics aspects and superconducting RF technology. [...]
CERN-ACC-NOTE-2015-0015.
- 2015.
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2015-05-22
10:32
Orbit drifts at the LHC interaction points during the squeeze / Gorzawski, Arkadiusz (Ecole Polytechnique Federale de Lausanne (CH)) ; Wenninger, Jorg (CERN)
When the LHC beams were in collision during Run 1, ground motion was the dominant source of orbit changes. [...]
CERN-ACC-NOTE-2015-0013.
- 2015. - 27 p.
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2015-05-21
10:40
Characterization of Nb coating in HIE-ISOLDE QWR superconducting accelerating cavities by means of SEM-FIB and TEM / Bartova, Barbora (CERN) ; Sublet, Alban Rene Maurice (CERN) ; Taborelli, M (CERN) ; Aebersold, A B (EPFL) ; Alexander, D T L (EPFL) ; Cantoni, M (CIME) ; Calatroni, Sergio (CERN)
The Quarter Wave Resonators (QWR) high-β cavities (0.3 m diameter and 0.9 m height) are made from OFE 3D-forged copper and are coated by DC-bias diode sputtering with a thin superconducting layer of niobium [...]
CERN-ACC-NOTE-2015-0012.
- 2015. - 7 p.
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2015-05-18
12:20
HL-LHC Operational Scenarios / Metral, Elias (CERN) ; Arduini, Gianluigi (CERN) ; Banfi, Danilo (Ecole Polytechnique Federale de Lausanne) ; Barranco Garcia, Javier (Ecole Polytechnique Federale de Lausanne (CH)) ; Biancacci, Nicolo (CERN) ; Brüning, Oliver (CERN) ; De Maria, Riccardo (CERN) ; Giovannozzi, Massimo (CERN) ; Höfle, Wolfgang (CERN) ; Li, Kevin (CERN) et al.
The main aim of this document is to have a clearly identified set of beam and machine parameters to be used for numerical simulations..
CERN-ACC-NOTE-2015-0009.
- 2015. - 11 p.
CERN-ACC-NOTE-2015-0009 - Full text

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2015-04-09
14:56
Modelling Accumulator Stripper Foil Heating for ESSNUSB Facility / Martini, Michel (CERN)
It is proposed to use the 2.0 GeV, 5 MW proton linac, 2.86 ms long pulses at 14 Hz of the European Spallation Source [1], [2] being built in Lund, Sweden to deliver, alternately with the spallation neutron production a very intense neutrino beam to enable the discovery of leptonic CP violation [...]
CERN-ACC-NOTE-2015-0005.
- 2015.
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2015-02-20
16:06
Designs Characteristics and Main Inherent Concerns of the Antiproton Decelerator Target / Torregrosa, C (CERN) ; Perillo-Marcone, A (CERN) ; Calviani, M (CERN)
In the context of AD area consolidation activities a redesign of the AD-target is planned. [...]
CERN-ACC-NOTE-2015-0004.
- 2015. - 19 p.
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