7–12 May 2023
Venice, Italy
Europe/Zurich timezone

RF design of a compact C-band RF pulse compressor for a VHEE linac for flash radiotherapy

WEPA124
10 May 2023, 16:30
2h
Salone Adriatico

Salone Adriatico

Poster Presentation MC7.T06: Room Temperature RF Wednesday Poster Session

Speaker

Giuseppe Torrisi (Istituto Nazionale di Fisica Nucleare)

Description

In this paper, the design of a compact C-band SLED RF Pulse Compressor for a Very High Electron Energy (VHEE) FLASH machine is presented. A spherical cavity RF pulse compressor - selected because of its compactness and relative ease of fabrication - is adopted to compress the 50 MW 3 µs RF pulse, down to 1 µs obtaining a peak power gain greater than 3. The main parameters – operating resonant mode, unloaded quality factor, coupling factor, peak power gain, geometry, peak surface fields - and S-parameters of the full RF design (spherical storage cavity + mode converter/polarizer) are computed and analyzed.
Moreover, the pulse-compression effect on the acceleration performances is analyzed through the evaluation of the main figures of merit (charge per pulse, energy gain, accelerating gradient and efficiency)

Funding Agency

The authors wish to thank the V Nat. Comm. of INFN, under the FRIDA call, for the financial support.

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Primary author

Giuseppe Torrisi (Istituto Nazionale di Fisica Nucleare)

Co-authors

Andrea Mostacci (Sapienza University of Rome) Bruno Spataro (Istituto Nazionale di Fisica Nucleare) Gino Sorbello (University of Catania) Dr Giorgio Sebastiano Mauro (Istituto Nazionale di Fisica Nucleare) Lucia Giuliano (Istituto Nazionale di Fisica Nucleare) Luigi Faillace (Istituto Nazionale di Fisica Nucleare) Luigi Palumbo (Sapienza University of Rome) Mauro Migliorati (Istituto Nazionale di Fisica Nucleare - Sez. Roma 1)

Presentation materials

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