19–24 May 2024
Music City Center
US/Central timezone

A preliminary feasibility study on multi-cavity cryomodule integration for the Electron Ion Collider energy recover linac cooler

TUPC45
21 May 2024, 16:00
2h
Country (MCC Exhibit Hall A)

Country

MCC Exhibit Hall A

Poster Presentation MC1.A18 Energy Recovery Linacs (ERLs) Tuesday Poster Session

Speaker

Sadiq Setiniyaz (Thomas Jefferson National Accelerator Facility)

Description

The Electron-Ion Collider (EIC) is a cutting-edge accelerator designed to collide highly polarized electrons and ions. For enhanced luminosity, the ion beam is cooled via an electron beam sourced from an energy recovery linac (ERL). The current ERL design accommodates one RF cavity per cryomodule, presenting both beam transport and cost-related challenges. This study investigates the feasibility of reducing the cavity size to accommodate two cavities within a single cryomodule. We analyze two compact cavity design options through frequency scaling, assuming constant loaded quality factor Q and R/Q scaling proportional to the square of the frequency ratio. Our analytical and tracking Beam BreakUp (BBU) model predicts the threshold current for each option. While a smaller cavity footprint is advantageous, maintaining sufficient damping of Higher Order Modes (HOMs) is crucial. We compare the HOM damping effectiveness of the proposed compact design to the existing configuration, which achieves sufficient damping within a slightly larger footprint.

Region represented North America

Primary author

Sadiq Setiniyaz (Thomas Jefferson National Accelerator Facility)

Co-authors

Christopher Mayes (SLAC National Accelerator Laboratory) Colwyn Gulliford (Xelera Research LLC) Isurumali Neththikumara (Thomas Jefferson National Accelerator Facility) Jiquan Guo (Thomas Jefferson National Accelerator Facility) Kirsten Deitrick (Thomas Jefferson National Accelerator Facility) Dr Todd Satogata (Thomas Jefferson National Accelerator Facility) Dr Nicholas Sereno (Argonne National Laboratory) Nicholas Taylor (Xelera Research LLC) Stephen Benson (Thomas Jefferson National Accelerator Facility)

Presentation materials

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