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HIE-ISOLDE Project Notes

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2013-05-28
13:58
Steady-state thermal studies on the HIE-ISOLDE high-$\beta$ superconducting cavities / Alberty, L
The activity of the High Intensity and Energy ISOLDE (HIE-ISOLDE) project aims to construct a superconducting linac based on 101.28 MHz niobium sputtered Quarter Wave Resonators (QWRs). [...]
HIE-ISOLDE-PROJECT-Note-0020 ; CERN-HIE-ISOLDE-PROJECT-Note-0020. - 2013. - 26 p.
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2013-05-28
13:56
HIE-ISOLDE cavity production – results from thermal modelling of the cavity during sputtering / Kupiainen, P ; Calatroni, S
The HIE-ISOLDE project is in the phase of cavity production and optimization. [...]
HIE-ISOLDE-PROJECT-Note-0019 ; CERN-HIE-ISOLDE-PROJECT-Note-0019. - 2013. - 11 p.
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2013-05-28
13:53
Study of Effect of Ion Source Energy Spread on RFQ Beam Dynamics at REX-ISOLDE / Fraser, M A ; Wenander, F
With an upgrade to the Electron Beam Ion Source (EBIS) at REX under consideration a study was launched in order to understand the effect of an increased energy spread from the ion source on the beam dynamics of the RFQ. [...]
HIE-ISOLDE-PROJECT-Note-0018 ; CERN-HIE-ISOLDE-PROJECT-Note-0018. - 2013. - 17 p.
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2013-05-28
13:50
Effect of inner conductor misalignment of high-$\beta$ quarter-wave resonator / Fraser, M A ; Calaga, R
Niobium sputtering the HIE-ISOLDE quarter-wave resonator at high temperatures has called for a reconsideration of the mechanical tolerances for the fabrication of the cavity. [...]
HIE-ISOLDE-PROJECT-Note-0017 ; CERN-HIE-ISOLDE-PROJECT-Note-0017. - 2013. - 21 p.
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2013-02-21
15:13
Three-gradient Emittance Measurements at REX-ISOLDE / Olsson, T ; Fraser, M A ; Lanaia, D ; Voulot, D
The transverse emittance was measured using the three-gradient method (also known as the quadrupole scan method) and compared to the slit-grid method that is normally used at REX-ISOLDE. [...]
HIE-ISOLDE-PROJECT-Note-0016 ; CERN-HIE-ISOLDE-PROJECT-Note-0016. - 2013. - 10 p.
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2013-02-20
13:30
Beam Dynamics Feasibility Study for an RFQ Sub-harmonic Pre-buncher at REX-ISOLDE / Magdau, I B ; Fraser, M
The feasibility of using an external multi-harmonic buncher placed before the existing RFQ at REX-ISOLDE to increase the bunch spacing of post-accelerated beams at HIE-ISOLDE was confirmed. [...]
HIE-ISOLDE-PROJECT-Note-0015 ; CERN-HIE-ISOLDE-PROJECT-Note-0015. - 2013. - 57 p.
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2012-09-12
16:46
A method to evaluate RRR of superconducting cavities / D'Elia, D
The Residual Resistivity Ratio (RRR) is defined as ⇢(300 K)/⇢(10 K) where ⇢ is the surface resistivity in the normal conducting state of the material. [...]
HIE-ISOLDE-PROJECT-Note-0014 ; CERN-HIE-ISOLDE-PROJECT-Note-0014. - 2012. - 6 p.
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2012-03-30
18:03
Notes on the HIE-ISOLDE HEBT / Fraser, MA
The HEBT will need to transfer the beam from the HIE-ISOLDE linac to up to four experimental stations over a wide range of energies from 0.45 MeV/u to 10 MeV/u, which equates to a maximum beam rigidity of 2 Tm for A/q = 4.5. [...]
HIE-ISOLDE-PROJECT-Note-0013 ; CERN-HIE-ISOLDE-PROJECT-Note-0013. - 2011. - 11 p.
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2012-03-30
18:00
Beam Dynamics Design Studies of a Superconducting Radioactive Ion Beam Post-accelerator / Fraser, MA ; Jones, RM ; Pasini, M
The HIE-ISOLDE project at CERN proposes a superconducting upgrade to increase the energy range and quality of the radioactive ion beams produced at ISOLDE, which are currently post- accelerated by the normal conducting REX linac. [...]
HIE-ISOLDE-PROJECT-Note-0012 ; CERN-HIE-ISOLDE-PROJECT-Note-0012. - 2011. - 16 p.
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2012-03-30
17:52
DESIGN AND CHARACTERIZATION OF THE POWER COUPLER LINE FOR HIE-ISOLDE HIGH BETA CAVITY / D'Elia, A
The design parameters of the HIE-ISOLDE high beta superconducting (SC) cavity foresee to have a power dissipated on the cavity wall of 7W with a Q0=6.6·108 for an accelerating field of 6MV/m. [...]
HIE-ISOLDE-PROJECT-Note-0011 ; CERN-HIE-ISOLDE-PROJECT-Note-0011. - 2011. - 27 p.
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