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Related papers: The STAR Photon Multiplicity Detector

200 papers

We present results from long-term optical photometric observations of the Pre-Main Sequence (PMS) stars, located in the star formation region around the bright nebula NGC 7129. Using the long-term light curves and spectroscopic data, we…

Solar and Stellar Astrophysics · Physics 2018-08-22 Evgeni Semkov , Stoyanka Peneva , Sunay Ibryamov , Asen Mutafov

We present a new photon number resolving detector (PNR), the Parallel Nanowire Detector (PND), which uses spatial multiplexing on a subwavelength scale to provide a single electrical output proportional to the photon number. The basic…

Instrumentation and Detectors · Physics 2009-11-13 F. Marsili , D. Bitauld , A. Fiore , A. Gaggero , R. Leoni , F. Mattioli , A. Divochiy , A. Korneev , V. Seleznev , N. Kaurova , O. Minaeva , G. Goltsman

Scanning probe microscopy (SPM) images of regularly arranged spatially periodic objects can be processed crystallographically. The resulting information may be used to remove from the SPM image distortions that are due to a less than…

Materials Science · Physics 2020-12-16 Peter Moeck

Multi-wavelength spectroscopy can be used to constrain the dust and gas properties in debris disks. Circumstellar dust absorbs and scatters incident stellar light. The scattered light is sometimes resolved spatially at visual and…

Earth and Planetary Astrophysics · Physics 2015-05-13 Christine H. Chen

MIDAS (MIcrostrip Detector Array System) is a compact silicon tracking telescope for charged particles emitted at small angles in intermediate energy photonuclear reactions. It was realized to increase the angular acceptance of the DAPHNE…

We report a procedure to detect mid-infrared single photons at 4.65 um via a two-stage scheme based on Sum Frequency Generation, using a Periodically Poled Lithium Niobate (PPLN) nonlinear crystal and a Silicon Avalanche Photodiode. An…

Number-resolving single photon detectors are essential for the implementation of numerous innovative quantum information schemes. While several number-discriminating techniques have been previously presented, the Silicon Photo-Multiplier…

Quantum Physics · Physics 2015-05-30 L. Dovrat , M. Bakstein , D. Istrati , H. S. Eisenberg

Semi monolithic detector designs with a series of stacked thin monolithic scintillator plates and side readout are an attractive approach for potentially achieving very high performance in a positron emission tomography (PET) scanner. In…

Instrumentation and Detectors · Physics 2025-02-12 Shiv K. Subedi , Simon R. Cherry , Yi Qiang , Peng Peng

The Beam Emission Spectroscopy (BES) turbulence diagnostic on MAST is to be upgraded in June 2010 from a 1D trial system to a 2D imaging system (8 radial \times 4 poloidal channels) based on a newly developed APD array camera. The spatial…

Plasma Physics · Physics 2012-03-26 Y. -c. Ghim , A. R. Field , S. Zoletnik , D. Dunai

We describe a new scheme for the measurement of mean photon flux at an arbitrary optical sideband frequency using homodyne detection. Experimental implementation of the technique requires an AOM in addition to the homodyne detector, and…

Quantum Physics · Physics 2009-11-11 J. G. Webb , T. C. Ralph , E. H. Huntington

We advocate support of research aimed at developing alternatives to the photomultiplier tube for photon detection in large astroparticle experiments such as gamma-ray and neutrino astronomy, and direct dark matter detectors. Specifically,…

Instrumentation and Methods for Astrophysics · Physics 2009-04-24 Robert G. Wagner , Karen L. Byrum , Mayly Sanchez , Alexandre V. Vaniachine , Oswald Siegmund , Nepomuk A. Otte , Erik Ramberg , Jeter Hall , James Buckley

Simulation of detecting photoelectrons using multi-level multi-electron (MLME) finite-difference time-domain (FDTD) method with an application to near-field subwavelength imaging based on semiconductor nanophotodetector (NPD) array is…

Optics · Physics 2009-02-20 Ki Young Kim , Boyang Liu , Yingyan Huang , Seng-Tiong Ho

The PK-3 Plus laboratory onboard the International Space Station is used to form complex plasma with a liquidlike particle subsystem in metastable state and to observe the propagation of crystallization fronts corresponding to the surfaces…

Plasma Physics · Physics 2019-07-01 D. I. Zhukhovitskii , V. N. Naumkin , V. I. Molotkov , A. M. Lipaev , H. M. Thomas

Two-dimensional (2D) photonic crystals offer strong control over the propagation of light through their bands. Theoretical methods for computing the band structure in 2D are well-established and fast because 2D photonic crystals are…

Optics · Physics 2026-03-10 Timon J. Vreman , Melissa J. Goodwin , Ad Lagendijk , Willem L. Vos

We present the charged-particle multiplicity distributions over a wide pseudorapidity range ($-3.4<\eta<5.0$) for pp collisions at $\sqrt{s}=$ 0.9, 7, and 8 TeV at the LHC. Results are based on information from the Silicon Pixel Detector…

High Energy Physics - Experiment · Physics 2017-12-15 ALICE Collaboration

Co-rotating spots at different latitudes on the stellar surface generate periodic photometric variability and can be useful proxies to detect Differential Rotation (DR). DR is a major ingredient of the solar dynamo but observations of…

Solar and Stellar Astrophysics · Physics 2015-06-16 Timo Reinhold , Ansgar Reiners

The concept and subsequent experimental verification of the proportionality between pulse amplitude and detector transit time for microchannel plate detectors is presented. This discovery has led to considerable improvement in the overall…

Quantum Physics · Physics 2009-11-13 Victor D. Irby

The 2x3 channel pseudo Vertex Position Detector (pVPD) in the STAR experiment at RHIC has been upgraded to a 2x19 channel detector in the same acceptance, called the Vertex Position Detector (VPD). This detector is fully integrated into the…

It is very important to measure the plasma performances of fusion reactors such as fuel ion density, plasma temperature, fusion power, fast neutron energy, and neutron flux. Various diagnostic systems are needed to measure fast neutron…

Nuclear Experiment · Physics 2024-07-10 Iskender Atilla Reyhancan

We describe a time lens to expand the dynamic range of photon Doppler velocimetry (PDV) systems. The principle and preliminary design of a time-lens PDV (TL-PDV) are explained and shown to be feasible through simulations. In a PDV system,…

Optics · Physics 2021-04-14 Pinghan Chu , Velat Kilic , Mark A. Foster , Zhehui Wang