Design of cepc superconducting rf system

Author: rkgs

August undefined, 2024

http://ias.ust.hk/program/shared_doc/2024/202401hep/HEP_20240124_Jiyuan_Zhai.pdf WebAug 6, 2024 · In the future, the circular electron positron collider (CEPC) is expected to use 240 650 MHz 2-cell cavities for collider rings and 96 1.3 GHz 9-cell cavities for boosters, which also require high Q0 values [ 7 ]. The 1.3 GHz 9-cell cavity of the CEPC will be operated at 2.0 K with Q0 > 3 × 10 10 at 24 MV m −1 for the vertical acceptance test.

CEPC SCRF System Design and RD Jiyuan Zhai

Webdesign of circular Higgs Factory is proposed and several proposals have been put forward [2]. The electron and positron eventually are accelerated to the centre of mass of energy 240GeV. In order to ensure the normal operation of the machine, the RF superconducting system is essential. RF system is used to provide energy to WebJul 5, 2024 · The HOM couplers in the 3.9 GHz cavity are of the coaxial type and have two basic functions: 1) rejecting the fundamental mode and 2) extracting the HOM energy over a broad frequency band. The rejection of the accelerating mode can be fulfilled by tuning the HOM notch filter, as illustrated in Fig. 8 a. shantung compound pdf

Hong Kong University of Science and Technology

WebOct 11, 2024 · This is the first in-house developed 499.8 MHz HOM-damped superconducting cavity system in China. The design, fabrication, post processing and tests of the niobium bare cavity and its auxiliaries, as well as the horizontal high-power test of the cavity system are presented. Introduction WebSep 1, 2024 · In order to meet the requirements of the Circular Electron Positron Collider (CEPC), a 650-MHz 2-cell superconducting cavity was proposed and designed. In this study, we show the progress in... WebSuperconducting RF (SRF) system is one of the most important technical systems of CEPC and is a key to achieving its design energy and luminosity. It will dominate, with … pond return pump

CDR Design of CEPC Superconducting RF System

Development and vertical tests of 650 MHz 2-cell superconducting ...

WebJul 1, 2024 · The 100km double ring configuration with shared superconducting RF system has been defined as baseline by the circular electron positron collider (CEPC) steering committee. WebSep 30, 2024 · The CEPC will use a 650-MHz superconducting RF system with 240 cavities for the collider and a 1300-MHz superconducting RF system with 96 cavities … shantung compound gilkeyWebCEPC is a 100-km double-ring circular electron–positron collider operating at 90–240 GeV center-of-mass energy of Z-pole, WW-pair production threshold and Higgs resonance. The conceptual design rep... pond rescue bacteria balls

"WebJan 1, 2001 · The superconducting system consisted of 288 four-cell cavities operating at 352 MHz powered by 36 klystrons providing on average of 0.6 MW of RF power. This … " - Design of cepc superconducting rf system

Design of cepc superconducting rf system

RF design of 650-MHz 2-cell cavity for CEPC - ResearchGate

WebMay 30, 2024 · The superconducting RF (SRF) system is one of the most important and challenging accelerator systems due to the wide range of beam energy and current. In … WebMar 21, 2008 · The new system used superconducting (SC) cavities, which complemented and partially replaced the original LEP1 RF system based on conventional copper cavity technology. The final system consisted of 56 copper and 288 SC cavities and provided a peak acceleration of more than 3600 MV/turn.

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WebSep 10, 2024 · The CEPC Accelerator CDR comprises 505 pages, 12 chapters and eight appendices. It covers machine layout, design of the collider, the booster, linac accelerator, the injector, design of the superconducting radio frequency (RF), RF power source, magnets, power supply, vacuum, and monitoring, control and mechanical systems. WebCEPC SRF System Layout • 336 650MHz 2-cell cavities for Collider Ring + 96 1.3GHz 9-cell cavities for Booster Ring • All those cavities are distributed equally to two RF stations. • For Collider Ring, each RF station consists of two SRF sections. 1.3 GHz SRF system for Booster Ring (on top of 650 MHz SRF system ) RF station Two 650 MHz

WebApr 10, 2024 · The development of RF super-conducting technology at Peking University was reviewed. The field gradient up to 12.3 MV/m with Qo=l..4x10g was obtained for … WebDec 31, 2024 · Abstract: In order to meet the requirements of the Circular Electron Positron Collider (CEPC), a 650-MHz 2-cell superconducting cavity was proposed and designed. In this study, we show the progress in the cavity design for the CEPC. The radio frequency and mechanical designs are ready for the first design version, called CEPC-V1.

WebIn this paper, the RF design, thermal stress analysis and preliminary mechanical design of the coupler are presented. INTRODUCTION CEPC is a 100 km circular electron positron collider op-erating at 90-240 GeV center-of-mass energy of Z, W and Higgs bosons. The SRF system parameters of the CEPC Main Ring is in reference [1]. WebCEPC is a 100-km double-ring circular electron–positron collider operating at 90–240 GeV center-of-mass energy of Z-pole, WW-pair production threshold and Higgs resonance. …

WebIn order to study the Higgs boson in more detail, construction of Higgs factory is proposed. This article mainly introduce the preliminary RF superconducting system design of 704MHz e+eHiggs Factory (CEPC) proposed by Chinese scientists. RF parameters related to choosing of cavity, main coupler, HOM coupler and cryogenic system have been …

WebHong Kong University of Science and Technology shantung compound pdf freeWebJan 28, 2024 · The purposes of this paper are to calculate the LCBI caused by the fundamental mode of superconducting RF cavities in CEPC main ring, which is the most critical impedance, and to complete the design of the RF feedback systems suitable for CEPC, whose specifications can suppress the LCBI to a manageable level. Methods shantung compound summaryWebMay 1, 2024 · The superconducting RF (SRF) system is one of the most important and challenging accelerator systems due to the wide range of beam energy and current. In … pond roblox islandsWebThe superconducting RF (SRF) system is one of the most important and challenging accelerator systems due to the wide range of beam energy and current. In this paper, the … pond rock shopWebMay 8, 2024 · The SRF system of the CEPC is extremely challenging because of the associated wide beam energy and current [ 8 ]. Two hundred and forty 650 MHz two-cell … pond roofWebCEPC SRF Design Requirements 3 • Higgs long operation first: one-time full installation of all the same cavities for H, W, Z. Use part of the Higgs cavities for W and Z. Park the idle … shantung contact numberWebAdvanced topics on RF amplitude and phase detection for lowlevel RF systems; XAFS and SRGI-XRD studies of the local structure of tellurium corrosion of Ni-18%Cr alloy; Single-event effects induced by medium-energy protons in 28 nm system-on-chip; RF design of 650-MHz 2-cell cavity for CEPC shantung definition