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Related papers: Lifetime-Extended MCP-PMT

200 papers

The high quantum efficiency of photosynthetic complexes has inspired researchers to explore new routes to utilize this process for photovoltaic devices. Quantum coherence has been demonstrated to play a crucial role within this process.…

Chemical Physics · Physics 2015-06-23 Yiteng Zhang , Sangchul Oh , Fahhad H. Alharbi , Greg Engel , Sabre Kais

The linearity of charge response is an important feature of photomultiplier tubes (PMT) for physics measurements, especially the newly developed 20" MCP-PMT. In this paper, in addition to the traditional method of double light sources, we…

Instrumentation and Detectors · Physics 2022-12-23 Diru Wu , Fengjiao Luo , Zhimin Wang , Min Li , Jilei Xu , Miao He , Changgen Yang , Yuekun Heng

We study the possibility of varying the measured lifetime of a decaying particle based on the technique of weak value amplification in which an additional filtering process called postselection is performed. Our analysis made in a direct…

Quantum Physics · Physics 2021-09-08 Yuichiro Mori , Izumi Tsutsui

Microchannel plates (MCPs) were recently proposed as novel type of cathodes for electron guns, suitable for applications in design of electron lenses. We report results of the first systematic study of microchannel plate based…

Accelerator Physics · Physics 2018-07-12 M. Haughey , V. Shiltsev , G. Stancari

We have measured and compared the characteristics of ALD-coated Planacon MCP-PMTs (XP85112/A1-Q-L) with their non-ALD counterparts (XP85012/A1-Q). While the later show excellent performance, the ALD-coated sensors have surprisingly low…

In a high-resolution photoemission study of a Mo(110) surface state various contributions to the measured width and energy of the quasiparticle peak are investigated. Electron-phonon coupling, electron-electron interactions and scattering…

Strongly Correlated Electrons · Physics 2007-05-23 T. Valla , A. V. Fedorov , P. D. Johnson , S. L. Hulbert

Light dark matter searches using ionization signals in dual-phase liquid xenon (LXe) time projection chambers (TPCs) are limited by low-energy ionization backgrounds, including those from the photoelectric effect on the electrodes. To…

Instrumentation and Detectors · Physics 2025-11-06 Shingo Kazama , Naoki Aoyama , Yoshitaka Itow , Masatoshi Kobayashi

In this study, we innovatively modeled photon-enhanced thermionic emission (PETE) devices, incorporating positive ion injection and bidirectional discharge's effects on the space charge barrier simultaneously. Compared to previous models,…

Accelerator Physics · Physics 2025-02-27 Xinqiao Lin , Zhiqiang Fan , Shunjie Zhang , Xiaohang Chen , Zhimin Yang , Jincan Chen , Shanhe Su

Charge multiplication (CM) in p$^+$n epitaxial silicon pad diodes of 75, 100 and 150 $\upmu$m thickness at high voltages after proton irradiation with 1 MeV neutron equivalent fluences in the order of $10^{16}$ cm$^{-2}$ was studied as an…

Instrumentation and Detectors · Physics 2014-11-21 Jörn Lange , Julian Becker , Eckhart Fretwurst , Robert Klanner , Gunnar Lindström

In the PANDA experiment at the FAIR facility at GSI two DIRC (Detection of Internally Reflected Cherenkov light) detectors will be used for $\pi$/K separation up to 4 GeV/c. Due to their location in a high magnetic field and other stringent…

In this article we describe results of a photoelectron backscattering effect in vacuum phototubes: classical photomultipliers (PMT) and hybrid phototubes (PH). Late pulses occurring in PMTs are attributed to the photoelectron backscattering…

Instrumentation and Detectors · Physics 2009-11-11 B. K. Lubsandorzhiev , R. V. Vasiliev , Y. E. Vyatchin , B. A. J. Shaibonov

We propose a measure of quantum efficiency of a multimode state of light that quantifies the amount of optical loss this state has experienced, and prove that this efficiency cannot increase in any linear-optical processing with destructive…

Quantum Physics · Physics 2015-03-17 Dominic W. Berry , A. I. Lvovsky

Solid-state quantum emitters (QEs) are fundamental in photonic-based quantum information processing. There is strong interest to develop high-quality QEs in III-nitride semiconductors because of their sophisticated manufacturing driven by…

Improving the coincidence time resolution (CTR) of time-of-flight positron emission tomography (TOF-PET) systems to achieve a higher signal-to-noise ratio (SNR) gain or even direct positron emission imaging (dPEI) is of paramount importance…

We study the performance of our previously proposed Projective Quantum Eigensolver (PQE) on IBM's quantum hardware in conjunction with error mitigation techniques. For a single qubit model of H$_2$, we find that we are able to obtain…

Quantum Physics · Physics 2023-10-10 Jonathon P. Misiewicz , Francesco A. Evangelista

Photon detection efficiency is a key parameter of PMTs in high-precision neutrino and dark matter experiments, while most of these experiments are focus on quantum efficiency. More and more experiments are trying to know the detection…

Instrumentation and Detectors · Physics 2018-10-12 Hai-qiong Zhang , Zhi-min Wang , Feng-jiao Luo , An-bo Yang , Zhong-hua Qin , Chang-gen Yang , Yue-kun Heng

Quality Estimation (QE) models have the potential to change how we evaluate and maybe even train machine translation models. However, these models still lack the robustness to achieve general adoption. We show that State-of-the-art QE…

Computation and Language · Computer Science 2022-03-17 Muhammed Yusuf Kocyigit , Jiho Lee , Derry Wijaya

We study the physical implementation of the Photon Carnot engine (PCE) based on the cavity QED system [M. Scully et al, Science, \textbf{299}, 862 (2003)]. Here, we analyze two decoherence mechanisms for the more practical systems of PCE,…

Quantum Physics · Physics 2007-05-23 H. T. Quan , P. Zhang , C. P. Sun

Organic photodetectors (OPDs) based on trap-assisted photomultiplication (PM) effect with external quantum efficiency (EQE) far exceeding 100% are quite appealing for achieving highly sensitive photodetection. A classic structure of PM-type…

Applied Physics · Physics 2019-02-20 Wenyan Wang , Linlin Shi , Ye Zhang , Yuying Hao , Furong Zhu , Kaiying Wang , Yanxia Cui

We present new developments, based on beam tests and cosmic rays, on the gaseous photomultiplier (GasPM). The GasPM detects photons by combining a photocathode with a resistive-plate-chamber avalanche. It achieves $\mathcal{O}$(10) ps time…

Instrumentation and Detectors · Physics 2026-05-25 Simone Garnero , Kenji Inami , Kodai Matsuoka , Ryogo Okubo , Koichi Ueda