1 / 10

Preliminary Parameters and Status of the 88 MHz RF Setup for the Muon Cooling Channel

This document outlines the parameters of the 88 MHz RF system for the muon cooling channel, detailing the status of the high gradient test setup and preliminary configurations for the ICE workshop held from October 25-27, 2001. Key findings include the power efficiency optimizations, challenges faced such as high gradient sparking and multipactor effects, and the system’s mechanical stability. Various design aspects like cavity dimensions, RF power outputs, and operational frequencies are discussed, emphasizing their significance for future developments in particle acceleration technologies.

arty
Télécharger la présentation

Preliminary Parameters and Status of the 88 MHz RF Setup for the Muon Cooling Channel

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. 88 MHz RF STATUS OUTLINE 1. Parameters of the 88 MHz RF in the muon cooling channel 2. Status of the high gradient test set-up 3. Preliminary parameters of an 88 MHz option for ICE ICE workshop 25-27/10/2001

  2. 1. Parameters the 88 MHz RF in the muon cooling channel E0T = 4 MV/m  = 159 s solenoid: 40 x 20 cm ZTT = 7 M/m PPEAK = 2.04 MW/cavity Kilpatrick: 2.3 R/Q = 144  PMEAN = 49 kW/cav. for 50 Hz repetition rate ICE workshop 25-27/10/2001

  3. Power efficiency optimization using and ICE workshop 25-27/10/2001

  4. Challenges: • High gradient at low frequency (Kilpatrick: 2.3)  sparking: tests • (high) magnetic field lines penetrating the cavities  multipactor: computations & tests • large cavity dimensions  mechanical stability: computations • field emission induced by lost particles  cavity test with beam. ICE workshop 25-27/10/2001

  5. 2. Status of the high gradient test set-up Original system: PS 114 MHz RF cavity for leptons ICE workshop 25-27/10/2001

  6. 88 MHz test cavity (made from an 114 MHz structure) Closed gap case E0 = 4 MV/m frep = 1 Hz r/Q = 113   = 180 s tpulse , frep = 1 ms, 1 Hz Ppeak = 1.4 MW Pmean = 1.4 kW Kilp. = 2.3 gap = 280 mm length = 1 m diameter = 1.77 m Open gap case E0 = 4 MV/m frep = 1 Hz r/Q = 107   = 180 s tpulse , frep = 1 ms, 1 Hz Ppeak = 1.5 MW Pmean = 1.5 kW Kilp. = 2.3 gap = 260 mm length = 1 m diameter = 1.77 m ICE workshop 25-27/10/2001

  7. 88 MHz test cavity (made from an 114 MHz structure) 88 MHz cavity 2 MW amplifier Nose Cone (closed gap) ICE workshop 25-27/10/2001

  8. 88 MHz test system status and planning SUMMARY First turn-on of the complete amplifier chain: 12/2001 Setting-up on dummy load: 03/2002 High gradient in the cavity: 05/2002 Increase of RF power: 10/2002 ? Test with solenoid: 12/2002 ?? ICE workshop 25-27/10/2001

  9. 3. Preliminary parameters of an 88 MHz option for ICE Sketch of a 4 cavities module ICE workshop 25-27/10/2001

  10. Electrical power and cooling needs for the 88 MHz option in ICE => Advantage of the 10 Hz option Overall needs in infrastructure: H. Ullrich ICE workshop 25-27/10/2001

More Related