Single Particle Detection System for Strong-Field QED Experiments

Abstract Measuring signatures of strong-field quantum electrodynamics (SF-QED) processes in an intense laser field is an experimental challenge: it requires detectors to be highly sensitive to single electrons and positrons in the presence of the typically very strong x-ray and γ-photon background levels. In this paper, we describe a particle detector capable of diagnosing single leptons from SF-QED interactions and discuss the background level simulations for the upcoming Experiment-320 at FACET-II (SLAC National Accelerator Laboratory). The single particle detection system described here combines pixelated scintillation LYSO screens and a Cherenkov calorimeter. We detail the performance of the system using simulations and a calibration of the Cherenkov detector at the ELBE accelerator. Single 3 GeV leptons are expected to produce approximately 537 detectable photons in a single calorimeter channel. This signal is compared to Monte-Carlo simulations of the experiment. A signal-to-noise ratio of 18 in a single Cherenkov calorimeter detector is expected and a spectral resolution of 2% is achieved using the pixelated LYSO screens.

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Optical single-particle detection in nanoholes towards simple parallel detection of molecular binding events

International Journal of Environmental & Analytical Chemistry ◽

10.1080/03067319.2012.672978 ◽

2012 ◽

Vol 93 (2) ◽

pp. 140-151 ◽

Cited By ~ 3

Author(s):

Norbert Jahr ◽

Nicole Hädrich ◽

Mamuna Anwar ◽

Andrea Csaki ◽

Ondra Stranik ◽

...

Keyword(s):

Single Particle ◽

Particle Detection ◽

Molecular Binding ◽

Parallel Detection ◽

Single Particle Detection

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A Massive Calorimeter for Single-Particle Detection

Springer Series in Solid-State Sciences - Phonon Scattering in Condensed Matter VII ◽

10.1007/978-3-642-84888-9_191 ◽

1993 ◽

pp. 490-491 ◽

Cited By ~ 2

Author(s):

E. Umlauf ◽

M. Bühler ◽

T. Fausch

Keyword(s):

Single Particle ◽

Particle Detection ◽

Single Particle Detection

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Development, Characterization, and Application of a Versatile Single Particle Detection Apparatus for Time-Integrated and Time-Resolved Fluorescence Measurements—Part II: Experimental Evaluation

Laser Chemistry ◽

10.1155/2009/474858 ◽

2009 ◽

Vol 2009 ◽

pp. 1-14

Author(s):

Xihong Wu ◽

J. A. Merten ◽

N. Omenetto ◽

B. W. Smith ◽

J. D. Winefordner

Keyword(s):

Single Particle ◽

Narrow Beam ◽

Time Resolved Fluorescence ◽

Particle Detection ◽

Time Resolved ◽

Endogenous Fluorophores ◽

Fluorescence Measurements ◽

On Line ◽

Single Particle Detection ◽

Speed Mode

This paper describes the experimental realization and characterization of a versatile single particle detection apparatus. The system utilizes a novel particle beam inlet that can serve as either an on-line particle concentrator (i.e., all diameters confined in a narrow beam) or as a segregator (i.e., selected diameters confined in a narrow beam) and can be operated in a high-speed mode as well as in a low-speed mode, thus allowing different interaction times between the particles and the laser beam. An aerodynamic sizing technique has been incorporated into the system to provide rapid, real-time, and high-resolution sizing. Parameters such as transmission efficiency and size-segregation efficiency have been measured. The performance of the instrument has been demonstrated by on-line detection of spectrally resolved and time resolved fluorescence detection from airborne dye-doped particles and aerosolized endogenous fluorophores found in biological agents.

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Modelling of Evanescent Field Scattering

Proceedings ◽

10.3390/proceedings2020056016 ◽

2020 ◽

Vol 56 (1) ◽

pp. 16

Author(s):

Andreas Tortschanoff ◽

Marcus Baumgart ◽

Jaka Pribošek

Keyword(s):

Numerical Analysis ◽

Single Particle ◽

Evanescent Field ◽

Promising Method ◽

Analytical Models ◽

Particle Scattering ◽

Particle Detection ◽

Sensing Mechanism ◽

Single Particle Detection

Evanescent field particle scattering is a promising method for single particle detection. In this study, we performed a detailed numerical analysis to show the possibilities and limitations of analytical models for predicting the capabilities of this sensing mechanism.

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