CERN Accelerating science

All CERN Accelerators documents

Announcement
This new collection aggregates CERN accelerator-related documents on CDS. It will continuously be enriched and improved in the near future.
Latest additions:
2016-08-26
09:32
Demonstration of coupling correction below the per-mil limit in the LHC / Maclean, Ewen Hamish (CERN) ; Carlier, Felix Simon (Technische Universiteit Delft (NL)) ; Fartoukh, Stephane (CERN) ; Persson, Tobias Hakan Bjorn (CERN) ; Skowronski, Piotr Krzysztof (CERN) ; Tomas Garcia, Rogelio (CERN) ; Wierichs, David Alexander
Linear coupling between betatron motion in the transverse planes is one of the key optics parameters for any accelerator. [...]
CERN-ACC-NOTE-2016-0053.
- 2016. - 7 p.

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2016-08-25
14:04
Fibre Optic Notch Filter For The Antiproton Decelerator Stochastic Cooling System / Simmonds, Max Vincent John
The project scope included reverse engineering, upgrading, and recovering the operational conditions of an existing fibre optic notch filter. [...]
CERN-STUDENTS-Note-2016-127.
- 2016.
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2016-08-24
09:52
Measurement setup at light source operational: Milestone M4.3 / Perez, Francis (ALBA) ; Chiggiato, Paolo (CERN)
The design of the experimental setup for the measurements of the FCC-hh beam screen prototype to be installed at the ANKA lightsource has been completed and the alignment strategy and procedure has been validated by the CERN and KIT teams. In this report, a complete description of the setup and the program of measurements under different operation conditions is presented..
CERN-ACC-2016-0110.- Geneva : CERN, 2016 Fulltext: PDF;

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2016-08-22
14:54
Interpretation of Wire-Scanner asymmetric profiles in a Low-Energy ring / Cieslak-Kowalska, Magdalena Anna (Ecole Polytechnique Federale de Lausanne (CH)) ; Benedetto, Elena (CERN)
In the CERN PS Booster, wire-scanner profile measurements performed at injection energy are affected by a strong asymmetry [...]
CERN-ACC-2016-0109.
- 2016. - 6 p.
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2016-08-22
14:42
Space Charge effects and mitigation in the CERN PS Booster, in view of the Upgrade / Benedetto, Elena (CERN) ; Cieslak-Kowalska, Magdalena Anna (Ecole Polytechnique Federale de Lausanne (CH)) ; Forte, Vincenzo (CERN) ; Schmidt, Frank (CERN)
The CERN PS Booster (PSB) is presently running with a space charge tune spread larger than 0.5 at injection [...]
CERN-ACC-2016-0108.
- 2016. - 7 p.
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2016-08-22
12:11
Probing Anomalous WW γ and WWZ Couplings with Polarized Electron Beam at the LHeC and FCC-Ep Collider / Turk Cakir, I ((Istanbul Aydin University)) ; Senol, A (Kastamonu University) ; Tasci, A T (Kastamonu University) ; Cakir, O (Istanbul Aydin University)
We study the anomalous WWγ and WWZ couplings by calculating total cross sections of two processes at the LHeC with electron beam energy Ee=140 GeV and the proton beam energy Ep=7 TeV, and at the FCC-ep collider with the polarized electron beam energy Ee=80 GeV and the proton beam energy Ep=50 TeV. At the LHeC with electron beam polarization, we obtain the results for the difference of upper and lower bounds as (0.975, 0.118) and (0.285, 0.009) for the anomalous (∆κγ, λγ) and (∆κz, λz) couplings, respectively. [...]
CERN-ACC-2016-0107.- Geneva : CERN, 2016 - Published in : : 9 (2015) , no. 1 Access to fulltext document: PDF;

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2016-08-22
11:46
Probing charged Higgs boson couplings at a future circular hadron collider / Turk Cakir, I (Istanbul Aydin University) ; Kuday, S (Istanbul Aydin University) ; Saygin, H (Istanbul Aydin University) ; Senol, A (Abant Izzet Baysal University) ; Cakir, O (Ankara University)
Many of the new physics models predict a light Higgs boson similar to the Higgs boson of the Standard Model (SM) and also extra scalar bosons. Beyond the search channels for a SM Higgs boson, the future collider experiments will explore additional channels that are specific to extended Higgs sectors [...]
Geneva : CERN, 2016 - Published in : : 94 (2016) , no. 1 Access to fulltext document: PDF;

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2016-08-19
12:18
SPS CROSS-SECTIONAL CHANGES EXTRACTION / Alao, Adewale
The SPS particle accelerator has a circumference of 6.9km and uses different magnets with different apertures [...]
CERN-STUDENTS-Note-2016-077.
- 2016.
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2016-08-17
23:47
Simulations of LEIR Injection Line Beam Position Monitors / Maltseva, Mariya (CERN,Geneva; Novosibirsk State University)
In this paper sensitivity characteristics of a beam position monitor are described. [...]
CERN-STUDENTS-Note-2016-050.
- 2016.
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2016-08-17
12:15
First measurement of $C\!P$ violation in $B^0_s\!\rightarrow J\!/\psi K^0_{\text{S}}$ decays with the LHCb experiment / Kruse, Florian
This thesis presents the first measurement of $C\!P$ violation in decays of $B^0_s$ and $\overline{B^0_s}$ mesons into the final state $J\!/\psi K^0_{\text{S}}$, where the $C\!P$ observables allow to constrain the contribution of penguin topologies in $B^0\!\rightarrow J\!/\psi K^0_{\text{S}}$ decay [...]
CERN-THESIS-2015-355 - 146 p.

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