نتایج جستجو برای: accelerator cavity
تعداد نتایج: 95148 فیلتر نتایج به سال:
The article reports the radiocarbon investigation of Anzapalivoro, the largest za baobab (Adansonia za) specimen of Madagascar and of another za, namely the Big cistern baobab. Several wood samples collected from the large inner cavity and from the outer part/exterior of the tree were investigated by AMS (accelerator mass spectrometry) radiocarbon dating. For samples collected from the cavity w...
The knowledge of the eigenmodes of resonant accelerator cavities is essential for the determination of their performance characteristics, comprising resonant frequencies and field distributions inside the cavities. Apart from the material properties the eigenmodes of a cavity depend on its geometry. In spite of the high elaborateness during the complex fabrication process, minor deviations of t...
The International Linear Collider (ILC) is a 200–500GeV center-of-mass highluminosity linear electron-positron collider, based on 1.3 GHz superconducting accelerating technology (SCRF). The colliding experiment of electron-positron will provide enormous data of the high energy physics, for example, the nature of Higgs particle, not-found particles like super-symmetric particles, and proof of un...
In This paper we will introduce the process of design and manufacturing an electron accelerator with 10MeV energy and 100kW power as the first Iranian powerful industrial electron accelerator. This accelerator designed based on modeling of one of the most powerful industrial accelerator called Rhodotron. But the design of the accelerator in a way that can be localize by relying on domestic indu...
The Advanced Photon Source Upgrade (APS-U) Project at Argonne will include generation of short-pulse x-rays based on Zholents’ deflecting cavity scheme [1]. We have chosen superconducting (SC) cavities in order to have a continuous train of crabbed bunches and flexibility of operating modes. In collaboration with Jefferson Laboratory, we are prototyping and testing a number of single-cell defle...
A 324-MHz, 3.115-m long, four-vane-type, radio-frequency quadrupole (RFQ) linac, which will be used as the most upstream accelerating cavity of the KEK/JAERI Joint Project for high-intensity proton accelerator facility, is under development at KEK. It was designed to accelerate a 30-mA H beam from 50 keV to 3 MeV with a 3% duty factor. The accelerating field of the RFQ cavity are stabilized aga...
cavities installed at different phase locations in the betatron lattice can afford a means of acquiring nondisruptive, single-shot measurements of a beam’s transverse emittances [1]. The device described is basically a square copper cavity oriented at 45o at a short gap in the beampipe. It is designed to resonate in its TM220 mode at 11.424 GHz. This allows us to excite this quadrupole mode res...
The KEKB accelerator is a 3 km circumference doublering collider which has six RF accelerating stations and will have two station for crab cavities. Each station is 800 m from the other. A stable RF phase reference is necessary for stable RF cavity operation. Coaxial cables with phase locked loops are used for the present system. A more stable RF phase reference is required for the crab cavity ...
Hard photons well above 100GeV have to be generated in a future photon collider which essentially will be based on the infrastructure of the planned International Linear Collider (ILC). The energy of near-infrared laser photons will be boosted by Compton backscattering against a high-energy relativistic electron beam. For high effectiveness, a very powerful laser system is required that exceeds...
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