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Related papers: Monitoring of the Photon Beam

200 papers

The possibility to use Cherenkov light measurements with Cherenkov telescope to study atmospheric processes is shown. Cherenkov light from extensive air showers is obtained using Monte Carlo simulations with CORSIKA code. Different…

Atmospheric and Oceanic Physics · Physics 2009-10-12 A. Mishev

Neutron beam monitors are an essential diagnostic component of neutron scattering facilities. They are used to measure neutron flux, calibrating experiments performed on the instruments, allowing measurement of facility performance,…

Instrumentation and Detectors · Physics 2020-11-12 F. Issa , R. Hall-Wilton , A. Quintanilla , M. Olsson , D. Zielinski , K. Kanaki , N. Tsapatsaris

The sensitivity of an Imaging Atmospheric Cherenkov telescope is calibrated by shining, from a distant pulsed monochromatic light source, a defined photon flux onto the mirror. The light pulse is captured and reconstructed by the telescope…

Astrophysics · Physics 2009-10-30 A. Frass , C. Koehler , G. Hermann , M. Hess , W. Hofmann

In the evaluation of novel scintillators, it is important to ensure that the spectrum of the light emitted by the scintillator is well matched to the response of the photomultiplier. In attempting to measure this spectrum using radioactive…

Instrumentation and Detectors · Physics 2008-11-26 J E McMillan , C J Martoff

The key parameters of Cherenkov Correlated Timing (CCT) detectors are discussed. Measurements of radiator geometry, optical properties of radiator and coupling materials, and photon detector timing performance are presented.

The Cherenkov Telescope Array (CTA) is a future ground-based gamma-ray observatory that will provide unprecedented sensitivity and angular resolution for the detection of gamma rays with energies above a few tens of GeV. In comparison to…

Instrumentation and Methods for Astrophysics · Physics 2019-08-07 Victor Barbosa Martins , Markus Garczarczyk , Gerrit Spengler , Ullrich Schwanke

Detectors planned for use at the Large Hadron Collider will operate in a radiation field produced by beam collisions. To predict the radiation damage to the components of the detectors, prototype devices are irradiated at test beam…

Instrumentation and Detectors · Physics 2015-06-17 Prabhakar Palni , Martin Hoeferkamp , Aaron Taylor , Sandip Vora , Haley McDuff , Qufei Gu , Sally Seidel

The CMS Beam Conditions and Radiation Monitoring System, BRM, will support beam tuning, protect the CMS detector from adverse beam conditions, and measure the accumulated dose close to or inside all sub-detectors. It is composed of…

Instrumentation and Detectors · Physics 2014-11-20 A. Bell , E. Castro , R. Hall-Wilton , W. Lange , W. Lohmann , A. Macpherson , M. Ohlerich , N. Rodriguez , V. Ryjov , R. S. Schmidt , R. L. Stone

In Chinese Spallation Neutron Source (CSNS), proton beam is used to hit metal tungsten target, and then high flux neutron are generated for experiments on instruments. For neutron flux spectrum correction, the current of proton beam is for…

Instrumentation and Detectors · Physics 2018-06-22 Jian Zhuang , Jiajie Li , Ke Zhou , Fang Li , Yongxiang Qiu , Lei Hu

A Cherenkov detector based on an array of five lead fluoride ($\beta$-PbF$_2$) crystals of size 30 mm$\times$30 mm$\times$160 mm read out by reverse-type avalanche photodiodes (APD's) of active area 10 mm$\times$10 mm was used to measure…

Instrumentation and Detectors · Physics 2019-11-07 Y. Murakami , H. Aghai-Khozani , M. Hori

Neutron beam monitors with high efficiency, low gamma sensitivity, high time and space resolution are required in neutron beam experiments to continuously diagnose the delivered beam. In this work, commercially available neutron beam…

Instrumentation and Detectors · Physics 2017-10-04 F. Issa , A. Khaplanov , R. Hall-Wilton , I. Llamas , M. Dalseth Riktor , S. R. Brattheim , H. Perrey

A new computational model for the description of the photon detector response functions measured in conditions of low light is presented, together with examples of the observed photomultiplier signal amplitude distributions, successfully…

Instrumentation and Detectors · Physics 2018-03-14 Pavel Degtiarenko

The existing and in development devices at Basic Environmental Observatory (BEO) Moussala are presented, precisely the experiments connected with space weather and astroparticle studies. The recent results of the secondary cosmic ray…

Space Physics · Physics 2007-05-23 Alexander Mishev

Synchrotron radiation with the characteristic of high brilliance, high level of polarization, high collimation, low emittance and wide tunability in energy has been used as a standard source in metrology(1, 2). For a decade, lots of…

Instrumentation and Detectors · Physics 2019-08-17 LI Hua-Peng , Kun Tang , Yi-Dong Zhao , Lei Zheng , Shu-Hu Liu , Xiao-Liang Zhao , Ya-Shuai Zhao

Structured light harnessing multiple degrees of freedom has become a powerful approach to use complex states of light in fundamental studies and applications. Here, we investigate the light field of an ultrafast laser beam with a…

Visible Cherenkov radiation can offers a method of the measurement of the velocity of a charged particles. The angular width of the radiation is important since it determines the resolution of the velocity measurement. In this article, the…

Optics · Physics 2017-08-23 Jian Zheng

The transverse current profile in the Next Linear Collider Test Accelerator (NLCTA) electron beam can be monitored at several locations along the beam line by means of profile monitors. These consist of insertable phosphor screens, light…

Accelerator Physics · Physics 2008-11-26 C. Nantista , C. Adolphsen , R. L. Brown , R. Fuller , J. Rifkin

Cherenkov Telescopes are equipped with optical dishes of large diameter -- in general based on segmented mirrors -- with typical angular resolution of a few arc-minutes. To evaluate the mirror's quality specific metrological systems are…

Instrumentation and Methods for Astrophysics · Physics 2016-01-11 Rodolfo Canestrari , Enrico Giro , Giacomo Bonnoli , Giancarlo Farisato , Luigi Lessio , Gabriele Rodeghiero , Rossella Spiga , Giorgio Toso , Giovanni Pareschi

The current program at Fermilab involves the construction of a new superconducting linear accelerator (LINAC) to replace the existing warm version. The new LINAC, together with other planned improvements, is in support of proton beam…

Accelerator Physics · Physics 2023-10-03 R. Thurman-Keup , T. Folan , M. Mwaniki , S. Sas-Pawlik

In this review the basic interaction mechanisms of charged and neutral particles are presented. The ionization energy loss of charged particles is fundamental to most particle detectors and is therefore described in more detail. The…

Instrumentation and Detectors · Physics 2009-10-31 C. Grupen