Cavities for Accelerators

Belomestnykh, S.

doi:10.1002/3527600434.eap777

Cited by 1 publication

(1 citation statement)

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“…A stainless-steel helium vessel was welded on to the cavity before chemically etching the cavity's inner surface; it also acted as a cooling jacket. Preparation of the cavity followed a "standard" recipe for preparing the surface of SRF cavities and included buffered chemical polishing (BCP 1:1:2) and high-pressure rinsing with particulate-free de-ionized water, as described, for example, in [13]. The cavity in its helium vessel is surrounded by a blanket of superinsulation (not shown), a thermal shield cooled by gaseous helium at 12 to 16 K, another blanket of superinsulation, and finally a magnetic shield.…”

Section: Cavity Design and Fabricationmentioning

confidence: 99%

Design of a high-bunch-charge 112-MHz superconducting RF photoemission electron source

Xin

Brutus

Belomestnykh

et al. 2016

Review of Scientific Instruments

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High-bunch-charge photoemission electron-sources operating in a continuous wave (CW) mode are required for many advanced applications of particle accelerators, such as electron coolers for hadron beams, electronion colliders, and free-electron lasers (FELs). Superconducting RF (SRF) has several advantages over other electron-gun technologies in CW mode as it offers higher acceleration rate and potentially can generate higher bunch charges and average beam currents. A 112 MHz SRF electron photoinjector (gun) was developed at Brookhaven National Laboratory (BNL) to produce high-brightness and high-bunch-charge bunches for the Coherent electron Cooling Proof-of-Principle (CeC PoP) experiment. The gun utilizes a quarter-wave resonator (QWR) geometry for assuring beam dynamics, and uses high quantum efficiency (QE) multi-alkali photocathodes for generating electrons.

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Section: Cavity Design and Fabricationmentioning

confidence: 99%