CERN Accelerating science

2014-04-15
14:38
 Proceedings of the 2013 MPP Workshop / Jonker, M (CERN) This report contains the proceedings of the MPP Workshop on LHC Machine Protection, held in Annecy from 11th to 13th March 2013. [...] CERN-ACC-2014-0041. - 2014. - 151 p.

2014-03-26
11:09
 Scanning slit for HIE-ISOLDE: vibrations test (linear motion actuator from UHV design, MAXON brushless motor, speed = 10 mm/s) / Bravin, E ; Cantero, E D ; Sosa, A This report summarizes the results of a series of tests performed on the prototype HIE-ISOLDE diagnostic box (HIE-DB) regarding the vibrations and drifts in the transverse position of the scanning blade while moving in and out of beam path in the HIE-ISOLDE short box prototype. [...] CERN-ACC-NOTE-2014-0024. - 2014. - 12 p. Full text

2014-03-26
11:05
 Scanning slit for HIE-ISOLDE: vibrational test (linear motion actuator from UHV design, speed = 2.5 mm/s) / Bravin, E ; Cantero, E D ; Sosa, A This report summarizes the results of a series of tests performed on the prototype HIE-ISOLDE diagnostic box (HIE-DB) regarding the vibrations and drifts in the transverse position of the scanning blade while moving inside or outside the box. [...] CERN-ACC-NOTE-2014-0023. - 2014. - 12 p. Full text

2014-03-26
11:00
 Frequency Sensitivity to Cavity Geometry Errors of HIE-ISOLDE High-Beta QuarterWave Resonator / Zhang, P ; D'Elia, A ; Venturini Delsolaro, W Quarter-Wave Resonators (QWRs) are to be used in the linac upgrade in the framework of HIE-ISOLDE project. [...] CERN-ACC-NOTE-2014-0022. - 2014. - 9 p. Full text

2014-03-26
10:57
 HIE-ISOLDE HEBT beam optics studies with MADX / Parfenova, A ; Bauche, J ; Fraser, M A ; Goddard, B ; Martino, M ; Voulot, D Beam design and beam optics studies for the HIE-ISOLDE transfer lines [1, 2] have been carried out in MADX [3], and benchmarked against TRACE 3-D results [4, 5, 6]. [...] CERN-ACC-NOTE-2014-0021. - 2014. - 34 p. Full text

2014-03-25
11:52
 A Simulation Tool for Steady State Thermal Performance Applied to the SPL Double-Walled Tube RF Power Coupler / Bonomi, R (CERN) This note reports on the study carried out to design a tool for steady-state thermal performance of the RF power coupler inside the SPL cryostat. [...] CERN-ACC-NOTE-2014-0020. - 2014. - 26 p. Full text

2014-03-12
15:53
 Beam Dynamics Simulations of the REX-ISOLDE A/q-separator / Fraser, M A ; Voulot, D ; Wenander, F The REX-ISOLDE A=q-separator selects the radioactive species of interest from the background of residual gas ions coming from the EBIS ion source. [...] CERN-ACC-NOTE-2014-0017. - 2014. - 32 p. Full text

2014-03-12
15:50
 Investigating the Feasibility of a Travelling-wave Chopper for the Clean Separation of 10 MHz Bunches at HIE-ISOLDE / Mukhopadhyay, A ; Fraser, M A ; Calaga, R ; Caspers, F ; Paoluzzi, M The feasibility of cleanly separating the main 10.128MHz bunches from the 101.28MHz satellite bunches with a travelling-wave type chopper at HIE-ISOLDE was investigated using a simple model comprising a chain of synchronised capacitors pulsed at high-voltage. [...] CERN-ACC-NOTE-2014-0016. - 2014. - 39 p. Full text

2014-03-12
15:46
 REX-ISOLDE RFQ Beam Dynamics Studies using CST EM Studio / Fraser, M A ; Calaga, R The original CNC milling files used to machine the electrodes of the REX-ISOLDE RFQ were acquired in late 2012 and electrostatic simulations were carried out using CST EM Studio in order to attain a 3D field map of the electric fields in the region around the beam axis. [...] CERN-ACC-NOTE-2014-0015. - 2014. - 19 p. Full text

2014-03-12
15:43
 Caractérisation du cuivre OFE pour la fabrication des cavités high-$\beta$ dans le cadre du projet HIE-ISOLDE / Trevidic, G Le cuivre OFE (Oxygen Free Electronic) est un cuivre d’une composition minimale en cuivre de 99.99% en masse, c’est la variété de cuivre qui présente les meilleures caractéristiques électriques possibles. [...] CERN-ACC-NOTE-2014-0014. - 2014. - 87 p. Full text