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Results are presented of beam tests in which a small electromagnetic calorimeter consisting of lead tungstate crystals was exposed to 50 GeV electrons and pions. This calorimeter was backed up by the DREAM Dual-Readout calorimeter, which…

Instrumentation and Detectors · Physics 2008-11-26 N. Akchurin

J-PET is a detector optimized for registration of photons from the electron-positron annihilation via plastic scintillators where photons interact predominantly via Compton scattering. Registration of both primary and scattered photons…

Compton scattering of a laser beam with a relativistic electron beam has been used to generate intense, highly polarized and nearly monoenergetic x-ray or gamma-ray beams at many facilities. The ability to predict the spatial, spectral and…

Accelerator Physics · Physics 2011-05-09 Changchun Sun , Ying K. Wu

Precise luminosity measurements for the OLYMPUS two-photon exchange experiment at DESY were performed by counting scattering events with alternating beams of electrons and positrons incident on atomic electrons in a gaseous hydrogen target.…

A neutron detector based on EJ301 liquid scintillator has been employed at EAST to measure the neutron energy spectrum for D-D fusion plasma. The detector was carefully characterized in different quasi-monoenergetic neutron fields generated…

Instrumentation and Detectors · Physics 2013-04-30 Xi Yuan , Xing Zhang , Xufei Xie , G. Gorini , Zhongjing Chen , Xingyu Peng , Jinxiang Chen , Guohui Zhang , Tieshuan Fan , Guoqiang Zhong , Liqun Hu , Baonian Wan

A high granularity hadronic 1 m3 calorimeter prototype with semi-digital readout has been designed and built. This calorimeter has been made using stainless steel as absorber and Glass Resistive Plates Chambers (GRPC) as active medium, and…

Instrumentation and Detectors · Physics 2019-08-13 M. C Fouz

Glass RPC detectors are an attractive candidate for the active part of a highly granular digital hadron calorimeter (DHCAL) at the ILC. A numerical study, based on the GEANT3 simulation package, of the performance of such a calorimeter is…

Instrumentation and Detectors · Physics 2007-05-23 A. Ghezzi , T. Tabarelli de Fatis , G. Tinti , M. Piccolo

The angular coverage extension of the KLOE-2 electromagnetic calorimeter, from a polar angle of 20$^{\circ}$ down to $8^{\circ}$, will increase the multiphoton detection capability of the experiment enhancing the search reach for rare kaon,…

Instrumentation and Detectors · Physics 2010-05-27 M. Cordelli , F. Happacher , M. Martini , S. Miscetti , I. Sarra , M. Schioppa , S. Stucci , G. Xu

X-ray transition radiation can be used to measure the Lorentz factor of relativistic particles. At energies approaching gamma = E/mc^2 = 10^5, transition radiation detectors (TRDs) can be optimized by using thick (sim 5 - 10 mil) foils with…

Astrophysics · Physics 2009-11-07 M. L. Cherry , G. L. Case

The motivation for PF calorimetry is to experimentally measure the energy of hadron jets with excellent resolution. In particle flow designs, sigma(E)/E < 5% should be possible for a range of jet energies from 50 GeV to 250 GeV, important…

Instrumentation and Detectors · Physics 2022-07-20 Randal Ruchti , Katja Kruger

The RD52 Project at CERN is a pure instrumentation experiment whose goal is to understand the fundamental limitations to hadronic energy resolution, and other aspects of energy measurement, in high energy calorimeters. We have found that…

Measures taken to extend the acceptance of the H1 detector at HERA for photoproduction events are described. These will enable the measurement of electrons scattered in events in the high y range 0.85 < y < 0.95 in the 1998 and 1999 HERA…

We propose a new measurement of the ratio of positron-proton to electron-proton, elastic scattering at DESY to determine the contributions beyond single-photon exchange, which are essential to the QED description of the most fundamental…

In this work, we report calculation for Compton scattering of a gamma-ray vortex with Laguerre Gaussian wave function on an electron in the framework of the relativistic quantum mechanics. We have found the following unexpected feature. The…

High Energy Physics - Phenomenology · Physics 2017-10-30 Tomoyuki Maruyama , Takehito Hayakawa , Toshitaka Kajino

One of the future plans at Jefferson Lab is running electron scattering experiments with large acceptance detectors at luminosities $> 10^{37}cm^{-2}s^{-1}$. These experiments allow the measurements of the Double Deeply Virtual Compton…

The performance of the electromagnetic calorimeter of the ALICE experiment during operation in 2010-2018 at the Large Hadron Collider is presented. After a short introduction into the design, readout, and trigger capabilities of the…

Instrumentation and Detectors · Physics 2023-10-02 ALICE Collaboration

An experimental report on the construction and operation of a lead-glass calorimeter at the CERN-NA49 experiment is presented.

Instrumentation and Detectors · Physics 2009-11-10 Ferenc Sikler

A new design of a detector module of submillimeter thickness for an electromagnetic calorimeter is presented. It is aimed to be used in the luminometers LumiCal and BeamCal in future linear e$^{+}$e$^{-}$ collider experiments. The module…

Instrumentation and Detectors · Physics 2019-08-13 Oleksandr Borysov

A system of modular sealed gas target cells has been developed for use in electron scattering experiments at the Thomas Jefferson National Accelerator Facility (Jefferson Lab). This system was initially developed to complete the MARATHON…

A first prototype of a scintillator strip-based electromagnetic calorimeter was built, consisting of 26 layers of tungsten absorber plates interleaved with planes of 45x10x3 mm3 plastic scintillator strips. Data were collected using a…

Instrumentation and Detectors · Physics 2014-07-24 CALICE Collaboration , K. Francis , J. Repond , J. Schlereth , J. Smith , L. Xia , E. Baldolemar , J. Li , S. T. Park , M. Sosebee , A. P. White , J. Yu , G. Eigen , Y. Mikami , N. K. Watson , M. A. Thomson , D. R. Ward , D. Benchekroun , A. Hoummada , Y. Khoulaki , J. Apostolakis , A. Dotti , G. Folger , V. Ivantchenko , A. Ribon , V. Uzhinskiy , C. Carloganu , P. Gay , S. Manen , L. Royer , M. Tytgat , N. Zaganidis , G. C. Blazey , A. Dyshkant , J. G. R. Lima , V. Zutshi , J. -Y. Hostachy , L. Morin , U. Cornett , D. David , A. Ebrahimi , G. Falley , K. Gadow , P. Goettlicher , C. Guenter , O. Hartbrich , B. Hermberg , S. Karstensen , F. Krivan , K. Krueger , B. Lutz , S. Morozov , V. Morgunov , C. Neubueser , M. Reinecke , F. Sefkow , P. Smirnov , M. Terwort , E. Garutti , S. Laurien , S. Lu , I. Marchesini , M. Matysek , M. Ramilli , K. Briggl , P. Eckert , T. Harion , H. -Ch. Schultz-Coulon , W. Shen , R. Stamen , B. Bilki , E. Norbeck , D. Northacker , Y. Onel , G. W. Wilson , K. Kawagoe , Y. Sudo , T. Yoshioka , P. D. Dauncey , M. Wing , F. Salvatore , E. Cortina Gil , S. Mannai , G. Baulieu , P. Calabria , L. Caponetto , C. Combaret , R. Della Negra , G. Grenier , R. Han , J-C. Ianigro , R. Kieffer , I. Laktineh , N. Lumb , H. Mathez , L. Mirabito , A. Petrukhin , A. Steen , W. Tromeur , M. Vander Donckt , Y. Zoccarato , E. Calvo Alamillo , M. -C. Fouz , J. Puerta-Pelayo , F. Corriveau , B. Bobchenko , M. Chadeeva , M. Danilov , A. Epifantsev , O. Markin , R. Mizuk , E. Novikov , V. Popov , V. Rusinov , E. Tarkovsky , D. Besson , P. Buzhan , A. Ilyin , V. Kantserov , V. Kaplin , A. Karakash , E. Popova , V. Tikhomirov , C. Kiesling , K. Seidel , F. Simon , C. Soldner , L. Weuste , M. S. Amjad , J. Bonis , S. Callier , S. Conforti di Lorenzo , P. Cornebise , Ph. Doublet , F. Dulucq , J. Fleury , T. Frisson , N. van der Kolk , H. Li , G. Martin-Chassard , F. Richard , Ch. de la Taille , R. Poeschl , L. Raux , J. Rouene , N. Seguin-Moreau , M. Anduze , V. Balagura , V. Boudry , J-C. Brient , R. Cornat , M. Frotin , F. Gastaldi , E. Guliyev , Y. Haddad , F. Magniette , G. Musat , M. Ruan , T. H. Tran , H. Videau , B. Bulanek , J. Zacek , J. Cvach , P. Gallus , M. Havranek , M. Janata , J. Kvasnicka , D. Lednicky , M. Marcisovsky , I. Polak , J. Popule , L. Tomasek , M. Tomasek , P. Ruzicka , P. Sicho , J. Smolik , V. Vrba , J. Zalesak , B. Belhorma , H. Ghazlane , K. Kotera , H. Ono , T. Takeshita , S. Uozumi , D. Jeans , S. Chang , A. Khan , D. H. Kim , D. J. Kong , Y. D. Oh , M. Goetze , J. Sauer , S. Weber , C. Zeitnitz