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Photonic methods of radio-frequency waveform generation and processing provide performance and flexibility over electronic methods due to the ultrawide bandwidth offered by the optical carriers. However, they suffer from lack of integration…

Results of detailed simulations of the charge transfer inefficiency of a prototype serial readout CCD chip are reported. The effect of radiation damage on the chip operating in a particle detector at high frequency at a future accelerator…

Instrumentation and Detectors · Physics 2009-11-13 Andre Sopczak

In recent years, high speed and high resolution analog-to-digital converter (ADC) is widely employed in many physical experiments, especially in high precision time and charge measurement. The rapid increasing amount of digitized data…

Signal Processing · Electrical Eng. & Systems 2018-06-14 Guangyuan Yuan , Zhe cao , Shuwen Wang , Shubin Liu , Qi An

The ARCADIA INFN R&D project developed a Fully Depleted Monolithic Active Pixel Sensor (FD-MAPS) using a customized LFoundry 110 nm CIS process. The first in-beam characterization of the ARCADIA Main Demonstrator 3 (MD3) sensor with 200…

A single-mode Cs atom 852 nm Faraday laser based on the corner cube feedback is demonstrated, and termed as corner-cube-feedback Faraday laser. Using the corner-cube retroreflector as external cavity feedback element in Faraday laser,…

Gas-phase oxygen-rich iron oxide clusters Fe(O2)n+ (n=1-6), are produced in a molecular beam apparatus. Their stability and structure are investigated by measuring the fragmentation cross sections from collision-induced-dissociation…

Atomic and Molecular Clusters · Physics 2013-06-26 Michalis Velegrakis , Claudia Mihesan , Maria Jadraque

Production cross sections of nitrogen isotopes from high-energy carbon isotopes on hydrogen and carbon targets have been measured for the first time for a wide range of isotopes. The fragment separator FRS at GSI was used to deliver C…

The high peak current required in free-electron lasers (FELs) is realized by longitudinal compression of the electron bunches to sub-picosecond length. In this paper, a frequency-domain diagnostic method is described that is capable of…

Instrumentation and Detectors · Physics 2012-01-31 S. Wesch , B. Schmidt , C. Behrens , H. Delsim-Hashemi , P. Schmüser

The consortium of the European project 16NRM05 designed a novel ionisation vacuum gauge in which the electrons take a straight path from the emitting cathode through the ionisation space into a Faraday cup. Compared to existing ionisation…

We present a detailed study of the six-dimensional phase space of the electron beam produced by the Cornell Energy Recovery Linac Photoinjector, a high-brightness, high repetition rate (1.3 GHz) DC photoemission source designed to drive a…

A new TDC chip has been developed for the COMPASS experiment at CERN. The resulting ASIC offers an unprecedented degree of flexibility and functionality. Its capability to handle highest hit and trigger input rates as well as its low power…

High Energy Physics - Experiment · Physics 2007-05-23 G. Braun , H. Fischer , J. Franz , A. Grunemaier , F. H. Heinsius , L. Hennig , K. Konigsmann , M. Niebuhr , M. Schierloh , T. Schmidt , H. Schmitt , H. J. Urban

New high current accelerator facilities like proposed for HIDIF or ESS require a beam with a high brilliance. These beams can not be produced by a single pass rf-linac. The increase in brightness in such a driver linac is done by several…

Accelerator Physics · Physics 2007-05-23 H. Zimmermann

Experts in different accelerator laboratories accumulated wide experience in RFQ designing. Nevertheless new tasks on high-power, high-energy CW linac designing (for example, for ADT applications) were appeared recently. Such accelerators…

Accelerator Physics · Physics 2007-05-23 Boris I. Bondarev , Alexander P. Durkin

Fluorescent Nuclear Track Detectors (FNTDs) offer a superior, sub-micrometer spatial resolution that allows for single particle track detection. However, when assessing particle fluence from the measured track positions, discrimination of…

Medical Physics · Physics 2017-03-21 Alexander Neuholz , Steffen Greilich

In this paper we discuss results relevant to 3D Double-Side Double Type Column (3D-DDTC) pixel sensors fabricated at FBK (Trento, Italy) and oriented to the ATLAS upgrade. Some assemblies of these sensors featuring different columnar…

For the CLIC two-beam scheme, a high-current, long-pulse drive beam is required for RF power generation. Taking advantage of the 3 GHz klystrons available at the LEP injector once LEP stops, a 180 MeV electron accelerator is being…

Accelerator Physics · Physics 2007-05-23 G. Carron , E. Jensen , M. Luong , A. Millich , E. Rugo , I. Syratchev , L. Thorndahl

Dedicated optics with extremely short electron bunches enable synchrotron light sources to generate intense coherent THz radiation. The high degree of spatial compression in this so-called low-alpha optics entails a complex longitudinal…

Beam-driven collinear wakefield accelerators (CWAs) that operate by using slow-wave structures or plasmas hold great promise toward reducing the size of contemporary accelerators. Sustainable acceleration of charged particles to high…

Accelerator Physics · Physics 2021-05-26 Wei-Hou Tan , Philippe Piot , Alexander Zholents

The generation of very high quality electron bunches (high brightness and low energy spread) from a plasma-based accelerator in the three-dimensional blowout regime using self-injection in tailored plasma density profiles is analyzed…

Accelerator Physics · Physics 2017-11-29 X. L. Xu , F. Li , W. An , P. Yu , W. Lu , C. Joshi , W. B. Mori

The extremely low dark current of silicon carbide (SiC) detectors, even after high-fluence irradiation, was utilized to develop a beam monitoring system for a wide range of particle rates, i.e., from the kHz to the GHz regime. The system is…

Instrumentation and Detectors · Physics 2024-03-20 Simon Waid , Andreas Gsponer , Jürgen Maier , Philipp Gaggl , Richard Thalmeier , Thomas Bergauer