Design of cepc superconducting rf system

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August undefined, 2024

WebFigure 1: CEPC layout. Superconducting RF (SRF) system is the most demanding technical system of CEPC. Because the Booster beam current is relatively low (0.8 mA), it is decided to use a 1.3 GHz SRF system, a mature technology that has been used in the ILC, XFEL and LCLS -II. The collider beam current is very high (33 mA) 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.

Design of the High Power Input Coupler for CEPC Main Ring …

WebThe development of superconducting RF cavity technology started in the 1960s, aiming for continuous wave operation of high gradient linacs with excellent electric power efficiency. After continuous… Expand 7 OPERATING EXPERIENCE WITH = 1 HIGH CURRENT ACCELERATORS* S. Belomestnykh Physics 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 staples office supply printer ink

Nitrogen doping/infusion of 650 MHz cavities for CEPC

Webtop parameters in these four years, the design of the CEPC superconducting RF (SRF) syst em also changed a lot. The main differences of the SRF system between CEPC … 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... 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. staples office supply salina ks

Superconducting RF Cavity and Power Source - indico.cern.ch

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

WebHong Kong University of Science and Technology WebJan 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 staples office supply provohttp://ias.ust.hk/program/shared_doc/2024/202401hep/conf/talks/HEP_20240123_0945_Xinchou_Lou.pdf staples office supply san jose

"WebSep 1, 2024 · A conceptual design report (CDR) for the Circular Electron Positron Collider (CEPC) was published in September 2024. CEPC will use a 650 MHz radiofrequency … " - Design of cepc superconducting rf system

Design of cepc superconducting rf system

Preliminary Conceptual Design of the CEPC SRF System

WebSame Order Modes (SOM, other pass-band modes of operating mode) may drive instabilities or extract RF power from the beam Input coupler as the natural SOM damper … WebApr 11, 2024 · A superconducting radio frequency (SRF) system with shared cavities for Higgs operation and separate cavities for W and Z operations was proposed to …

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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. 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.

WebAdvanced 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 WebMay 11, 2024 · The SRF of CEPC is one of the most challenging accelerator RF systems in history, which need intensive R&D and verification during the TDR stage. A double ring …

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 … WebMay 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 …

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 …

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 … pes with multiple testsWebThe longitudinal dynamics in the double RF systems de-scribed by Eq. (1) has been comprehensively discussed, to-gether with optimal conditions for bunch lengthening [ 3]. Thus we obtain the optimum parameters for HALF double RF system s consisting of a single main superconducting cavity and a single super -3HC , as shown in Table 2. pes with youWebApr 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 … staples office supply saugus mahttp://ias.ust.hk/program/shared_doc/2024/202401hep/HEP_20240124_Jiyuan_Zhai.pdf staples office supply san marcosWebOct 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 pesworld mini patch 2023WebCEPC TDR SRF System Design • TDR design of CEPC SRF system is aiming to fulfill requirements of improvements over CDR: − higher luminosity at H (5. 2 x 1034 vs 2. 9 x 1034) → RF basically no change − “high-lumi” for Z (102 x 1034 vs 32 x 1034) → RF staging and bypass scheme − assuring compatibility for top-pair production → reserved tunnel … staples office supply santa barbaraWebdesign 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 pes with keyboard