University of Huddersfield Repository · International Institute for Accelerator Applications Photonics,and Particle Accelerators Prof Rebecca Seviour International Institute for

University of Huddersfield Repository

Seviour, Rebecca

Photonics,and Particle Accelerators

Original Citation

Seviour, Rebecca (2014) Photonics,and Particle Accelerators. In: Seminar, Brookhaven National

Lab, USA, 17th July 2014, Brookhaven National Lab, USA.

This version is available at http://eprints.hud.ac.uk/23319/

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International Institute for Accelerator Applications

Photonics,and Particle Accelerators

Prof Rebecca Seviour


University of Huddersfield

UK


International Institute for Accelerator Applications University of Huddersfield

• Medical isotope production • ESS Targetry • Security PFNA • ADS (Transmutation/energy) • LHC Collimation • Transformative Electromagnetic Media • Medium Energy Ion Scattering • Ion Sources • Novel RF

• Group Founded 2011 (R. Barlow)

• 5 Faculty • 2 Post docs • 20 PG Students • Siemens, TMD, Acceli, Kromek



Wave vector

Fre

quency

Beam

Lin

e

Wave vector

Fre

quency






Distance

tim

e


Xu and Seviour 2012 New J. Phys. 14 013014


tput PCs.

Parameters input PC output PC

Rod radius (r ) 1.995± 0.005mm 2.013± 0.01mm

Rod spacing (a) 12.50mm 12.52mm

Lat t ice depth (d) 3.6mm 3.3mm

Beam hole diameter 4mm 4mm

Measured resonant freq. 9.532GHz 9.532GHz

S11 0.004 0.135

Propagat ion band 12.95GHz 12.94GHz

QL (Loaded Q) 820 780

Qe (External Q) 1640 1382

Q0 (Unloaded/ Ohmic Q) 1640 1790

Shunt impedance (Rsh) 74710Ω 81190Ω

Rsh/ Q0 45.55Ω 45.36Ω







Hidden

Sector

Photon

Searches


Cavity 1 Cavity 2

Waveguide


Cavity 1 Cavity 2


Cavity 1 Cavity 2


Cavity 1 Cavity 2





Multi-Beam Kylstron/Accelerator


monopole-like state.

Parameters 1 beam (AJ Disk) 6 beams (Scaled)

Input power, Pi n (W) 16.67 100

Output power, Pout (kW) 5.54 33.24

Drift distance, L (m) 0.62 0.62

Power gain, (dB) 25.22 25.22

Output voltage, Vout (kV) 42.55 42.55

Magnetic focusing field, B (Tesla) 0.8 0.8

lbb (Adjacent beam spacing) 59.756mm

V0 (DC beam voltage) 100kV

I 0 (DC beam current ) 2A

rb (Beam radius) 5mm



Dielectric Structure



Thank You !!!!

Documents

University of Huddersfield Repository · International Institute for Accelerator Applications Photonics,and Particle Accelerators Prof Rebecca Seviour International Institute for