H. Shaker

CLIC readiness report

E. Adli, G. D’Auria, Nuria Catalán Lasheras, Vera Cilento et autres

Abstract The Compact Linear Collider (CLIC) is a TeV-scale high-luminosity linear e + e − collider studied by the international CLIC and CLICdp collaborations hosted by CERN. CLIC uses a two-beam acceleration scheme, in which normal-conducting high-gradient 12 GHz accelerating structures are …

Application of Static State Estimator in Boilers of Thermal Power Stations

H. Shaker

Controlling bad data is one of the most important challenges in power systems because it affects the continuity of plants operation in an appropriate way. Bad data can appear morely in the control center of thermal power plants due to the malfunctioning …

Behavior of Reinforced Geopolymer Concrete Beams under Repeated Load

H. Shaker, Wissam Alsaraj, Layth A. Al-Jaberi

Finding an alternative material for building constructions is an essential topic nowadays after the weather pollution which caused by cement protection factories, at the same time, the engineers thinking to find such material from environments wastes to minimize the earth pollutions. Geopolymer …

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Design and Construction of a Traveling Wave Electron Linear Accelerator at Institute for Research in Fundamental Sciences (IPM)

Mahyar Shirshekan, H. Shaker, Farshad Ghasemi, M. A. Ansari et autres

In this paper, the design and construction process of a traveling wave electron linear accelerator is presented briefly. The machine consists of an electron gun followed by a prebuncher, a traveling wave buncher, an accelerating tube and the diagnostics instruments. Solenoid magnets …

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Anomalous correlation between quantum efficiency and transverse momentum spread in semiconductor cathode photoemission

Peng-Wei Huang, Houjun Qian, Ye Chen, Matthias Groß et autres

The next generation of accelerator based scientific facilities, such as the megahertz repetition rate free electron laser and electron-ion collider, relies on photoelectron sources of high peak and high average brightness. Therefore, photocathodes with both low transverse momentum spread (TMS) and high …

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Design studies of a continuous-wave normal conducting buncher for European X-ray Free Electron Laser

Shankar Lal, V. Paramonov, Houjun Qian, H. Shaker et autres

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Development of a novel approach for construction of high gradient braze-free S-band cavities

Mahdi Aghayan, Seyed Farhad Masoudi, Farshad Ghasemi, Walter Wuensch et autres

Vacuum breakdown is one of the main limitations to the operating accelerating gradient in radio frequency linear accelerators. Recent studies of copper cavities have been shown that harder copper conditions more quickly and can reach higher accelerating gradients than soft copper cavities. …

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Experimental benchmark study of multiphysics simulations of an L-band high average power RF gun

Guan Shu, Houjun Qian, V. Paramonov, Namra Aftab et autres

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Numerical Study of Beam Dynamics in PITZ Bunch Compressor

Anusorn Lueangaramwong, Zakaria Aboulbanine, Gowri Adhikari, Namra Aftab et autres

A magnetic bunch compressor has been recently designed for an accelerator-based THz source which is under development at the Photo Injector Test facility at DESY in Zeuthen (PITZ). The THz source is assumed to be a prototype for an accelerator-based THz source …

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Beam Line Design and Instrumentation for THz@PITZ - the Proof-of-Principle Experiment on a THz SASE FEL at the PITZ Facility

Tobias Weilbach, Prach Boonpornprasert, Georgi Georgiev, Gerald Koss et autres

In order to allow THz pump-X-ray probe experiments at full bunch repetition rate for users at the European XFEL, the Photo Injector Test Facility at DESY in Zeuthen (PITZ) is building a prototype of an accelerator-based THz source. The goal is to …

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Concept Design for the CLS2 Accelerator Complex

Mark Boland, Cameron Kenneth Baribeau, Drew Bertwistle, P. Hunchak et autres

The Canadian Light Source has been in operation since 2005 and is now looking at a design concept to upgrade to a fourth generation storage ring. A brief overview is given of a possible accelerator complex layout, including some details on the …

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Single shot cathode transverse momentum imaging in high brightness photoinjectors

Peng-Wei Huang, Houjun Qian, Ye Chen, D. Filippetto et autres

In state of the art photoinjector electron sources, thermal emittance from photoemission dominates the final injector emittance. Therefore, low thermal emittance cathode developments and diagnostics are very important. Conventional thermal emittance measurements for the high gradient gun are time-consuming and thus thermal …

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