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The performance of prototypes for the ALICE electromagnetic sampling calorimeter has been studied in test beam measurements at FNAL and CERN. A $4\times4$ array of final design modules showed an energy resolution of about 11%…

仪器与探测器 · 物理学 2012-08-27 The ALICE EMCal group

A particle detection system that exploits the scintillation light produced by ionizing particles in liquid argon (LAr) has been assembled at CERN. The system is based on 10 large-area photomultiplier tubes (PMT) immersed in a 1500-liter…

Shashlyk electromagnetic calorimeter modules with an energy resolution of about 3%/sqrt{E (GeV)} for 50-1000 MeV photons has been developed, and a prototype tested. Details of these improved modules, including mechanical construction,…

The MEG II experiment searches for a charged-lepton-flavour-violating $\mu \to e \gamma$ with the target sensitivity of $6 \times 10^{-14}$. A liquid xenon calorimeter with VUV-sensitive photosensors measures photon position, timing, and…

The demand for new thermal neutron detectors as an alternative to 3He tubes in research, industrial, safety and homeland security applications, is growing. These needs have triggered research and development activities about new generations…

仪器与探测器 · 物理学 2018-01-09 Paolo Finocchiaro , Luigi Cosentino , Sergio Lo Meo , Ralf Nolte , Desiree Radeck

A detector designed to measure early particle showers has been installed in front of the central CDF calorimeter at the Tevatron. This new preshower detector is based on scintillator tiles coupled to wavelength-shifting fibers read out by…

仪器与探测器 · 物理学 2014-11-18 Michele Gallinaro

As part of its HL-LHC upgrade program, the CMS collaboration is replacing its existing endcap calorimeters with a high-granularity calorimeter (CE). The new calorimeter is a sampling calorimeter with unprecedented transverse and…

仪器与探测器 · 物理学 2023-08-30 CMS HGCAL Collaboration

A differential, membrane-based nanocalorimeter for general specific heat studies of very small samples, ranging from 0.5 mg to sub-{\mu}g in mass, is described. The calorimeter operates over the temperature range from above room temperature…

仪器与探测器 · 物理学 2012-08-20 S. Tagliati , V. M. Krasnov , A. Rydh

A lead-glass hodoscope calorimeter that was constructed for use in the Jefferson Lab Real Compton Scattering experiment is described. The detector provides a measurement of the coordinates and the energy of scattered photons in the GeV…

A silicon-based fine granularity calorimeter is a potential technology for the future International Linear Collider ILC, the future circular collider CEPC, and is also the chosen technology for the upgraded CMS experiment of the Large…

仪器与探测器 · 物理学 2017-08-02 Stathes Paganis , Andreas Psallidas , Arnaud Steen

LumiCal will be the luminosity calorimeter for the proposed International Large Detector of the International Linear Collider (ILC). The ILC physics program requires the integrated luminosity to be measured with a relative precision on the…

The Liquid Argon Time Projection Chamber (LArTPC) is a powerful dual calorimeter capable of estimating particle energy from both ionization charge and scintillation light. Our study shows that, due to the recombination luminescence, the…

仪器与探测器 · 物理学 2025-02-17 Xuyang Ning , Wei Shi , Chao Zhang , Ciro Riccio , Jay Hyun Jo

The H1 detector at HERA has been upgraded by the addition of a new electromagnetic calorimeter. This is installed in the HERA tunnel close to the electron beam line at a position 8m from the interaction point in the electron beam direction.…

The operation and performance of the Compact Muon Solenoid (CMS) electromagnetic calorimeter (ECAL) are presented, based on data collected in pp collisions at $\sqrt{s}$ = 13 TeV at the CERN LHC, in the years from 2015 to 2018 (LHC Run 2),…

仪器与探测器 · 物理学 2024-09-06 CMS Collaboration

Lead fluoride (PbF$_2$) crystals represent an excellent and relatively innovative choice for high resolution electromagnetic calorimeters with high granularity and fast timing for high intensity environments. For this reason two PbF$_2$…

仪器与探测器 · 物理学 2022-05-25 A. Cemmi , A. Colangeli , B. D'orsi , I. Di Sarcina , E. Diociaiuti , S. Fiore , D. Paesani , M. Pillon , A. Saputi , I. Sarra , D. Tagnani

Special calorimeters are needed to instrument the very forward region of an ILC detector. These devices will improve the hermeticity being important for new particle searches. A luminometer is foreseen to measure the rate of low angle…

仪器与探测器 · 物理学 2009-02-20 W. Lohmann

We investigate theoretically the possibility of using the cold-electron bolometer (CEB) as a counter for 1 cm wavelength (30 GHz) photons. To reduce the flux of photons from the environment, which interact with the detector, the bath…

介观与纳米尺度物理 · 物理学 2019-12-30 D. V. Anghel , L. S. Kuzmin

A measurement of the charge asymmetry in top-quark pair ($t\bar{t}$) production in association with a photon is presented. The measurement is performed in the single-lepton $t\bar{t}$ decay channel using proton-proton collision data…

高能物理 - 实验 · 物理学 2023-07-10 The ATLAS Collaboration

We report on several versions of the calibration and monitoring system dedicated to scintillator tile calorimeters built within the CALICE collaboration and intended for future linear collider experiments. Whereas the first, a 1 m3 analogue…

仪器与探测器 · 物理学 2019-08-15 Jaroslav Zalesak

In order to investigate the anomalous heat effect (AHE) in NiCu multilayer thin film, photon radiation calorimetry has been developed. Three types of photon detectors are employed to cover a wide range of wavelengths from 0.3 um to 5.5 um,…

仪器与探测器 · 物理学 2024-10-01 J. Kasagi , T. Itoh , Y. Shibasaki , T. Takahashi , S. Yamauchi , Y. Iwamura