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Related papers: The BaBar Electromagnetic Calorimeter: Status and …

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The electro-magnetic calorimeter at the BaBar detector, part of the asymmetric B Factory at SLAC, measures photons in the energy range from 20 MeV to 8 GeV with good resolution. The calorimeter is calibrated at the low energy end with 6.13…

Instrumentation and Detectors · Physics 2019-08-14 Johannes M. Bauer

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.…

A module of the ATLAS electromagnetic barrel liquid argon calorimeter was exposed to the CERN electron test-beam at the H8 beam line upgraded for precision momentum measurement. The available energies of the electron beam ranged from 10 to…

Instrumentation and Detectors · Physics 2008-11-26 M. Aharrouche , ATLAS Electromagnetic Barrel Calorimeter Collaboration

The prospects for measuring the angle gamma with present day B factories are examined. A number of approaches are discussed with reference to recent preliminary measurements based on a data sample of approximately 88 million \BB pairs…

High Energy Physics - Experiment · Physics 2019-08-14 F F Wilson

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,…

For the radiative Bhabha calibration of BaBar's electromagnetic calorimeter, the measured energy of a photon cluster is being compared with the energy obtained via a kinematic fit involving other quantities from that event. The details of…

High Energy Physics - Experiment · Physics 2007-05-23 Johannes M. Bauer

The electromagnetic barrel calorimeter is one of the main components of the planned GlueX experiment. It will consist of 48 modules made of consecutive layers of 4 m long lead sheet and fast green scintillator fibers for an overall number…

Instrumentation and Detectors · Physics 2009-11-13 M. Barbi

BABAR, the detector for the SLAC PEP-II asymmetric e+e- B Factory operating at the upsilon 4S resonance, was designed to allow comprehensive studies of CP-violation in B-meson decays. Charged particle tracks are measured in a multi-layer…

High Energy Physics - Experiment · Physics 2012-08-27 The BABAR Collaboration

Since May 1999 the BABAR detector has been taking data at the PEP-II asymmetric electron-positron collider at the Stanford Linear Accelerator Center, California. This experiment requires a very large data sample and the PEP-II accelerator…

High Energy Physics - Experiment · Physics 2014-11-17 P. D. Dauncey

To make precision measurements with a CsI(Tl) calorimeter in a high luminosity environment requires that the crystals are well calibrated and continually monitored for radiation damage. This should not effect the total integrated luminosity…

Instrumentation and Detectors · Physics 2009-11-06 P J Clark

The calorimeter system of LHCb is subdivided into four sub-detectors which ensure its longitudinal segmentation: a Scintillator Pad Detector (SPD) followed by a Preshower (PS) and then an electromagnetic (ECAL) an hadronic (HCAL)…

Instrumentation and Detectors · Physics 2019-08-13 Pascal Perret

We propose to build the Electromagnetic calorimeter for the HADES di-lepton spectrometer. It will enable to measure the data on neutral meson production from nucleus-nucleus collisions, which are essential for interpretation of dilepton…

The recent measurements of the CKM angle gamma by the BABAR experiment are reported. The analyses have been performed using the complete sample of 468 million BBbar pairs collected by the BABAR detector at the SLAC PEP-II asymmetric-energy…

High Energy Physics - Experiment · Physics 2019-08-15 Fernando Martinez-Vidal

In nuclear, particle and astroparticle physics experiments, calorimeters are used to measure the properties of particles with kinetic energies that range from a fraction of 1 eV to 10^20 eV or more. These properties are not necessarily…

Instrumentation and Detectors · Physics 2018-10-17 Richard Wigmans

The electromagnetic ealorimeter (ECAL) of the CMS detector has played an important role in the physics program of the experiment, delivering outstanding performance throughout data taking. The High-Luminosity LHC will pose new challenges.…

Instrumentation and Detectors · Physics 2021-06-10 Stefano Argiro

The CALICE Si-W electromagnetic calorimeter has been tested with electron beams (1 to 6 GeV) at DESY in May 2006, as well as electrons (6 to 45 GeV) and hadrons (6 to 80 GeV) at CERN in August and October 2006. Several millions of events…

Instrumentation and Detectors · Physics 2009-02-16 C. Carloganu , A. -M. Magnan

Laser power metrology at the National Institute of Standards and Technology (NIST) ranges 20 orders of magnitude from photon-counting (1000 photons/s) to 100 kW (10^23 photons/s at a wavelength of 1070 nm). As a part of routine practices,…

The BABAR detector, situated at the SLAC PEP-II asymmetric e^+e^- collider, has been recording data at energies on and around the Upsilon(4S) resonance since May 1999. In this paper, we briefly describe the PEP-II B Factory and the BABAR…

High Energy Physics - Experiment · Physics 2007-05-23 The BABAR Collaboration , B. Aubert

We describe the electromagnetic calorimeter built for the GRAAL apparatus at the ESRF. Its monitoring system is presented in detail. Results from tests and the performance obtained during the first GRAAL experiments are given. The energy…

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