MULTI-GEV PHOTON BEAM EXPERIMENTS AT SPRING-8 LASER-BACKSCATTERING FACILITY

2009 ◽  
Vol 18 (02) ◽  
pp. 449-458
Author(s):  
◽  
YOSHIKAZU MAEDA
Keyword(s):  
Compton Scattering ◽  
Present Status ◽  
Particle Physics ◽  
Beam Line ◽  
Photon Beam ◽  
Experimental Facility ◽  
Electron Photon ◽  
Physics Experiments

A highly-polarized photon beam produced via the backward-Compton scattering of polarized laser photons off 8 GeV electrons is utilized for nuclear and particle physics experiments at SPring-8. The present status of the experimental facility at the Laser Electron Photon beamline (LEPS) is reported and the project at the new beam line is also discussed.

PRESENT STATUS OF J-PARC HADRON EXPERIMENTAL FACILITY

2010 ◽  
Vol 19 (12) ◽  
pp. 2663-2670
Author(s):  
Y. Sato ◽  
K. Agari ◽  
E. Hirose ◽  
M. Ieiri ◽  
Y. Katoh ◽  
...  
Keyword(s):  
Present Status ◽  
Nuclear Physics ◽  
Beam Line ◽  
Primary Beam ◽  
Radiation Environment ◽  
Current Status ◽  
Secondary Beam ◽  
Experimental Facility ◽  
Secondary Particles ◽  
Physics Experiments

J-PARC Hadron Experimental Facility is designed to carry out a variety of particle and nuclear physics experiments with intense secondary particles generated by 750 kW proton beams. The first construction stage including the experimental hall, the primary beam line, and one secondary beam line (K1.8BR) has been completed at the end of December 2008. In order to handle the high intensity primary beam safely, we have developed many special devices working under severe radiation environment. The present article reports the current status of the Hadron Experimental Facility in detail.

LASER-ELECTRON PHOTON PROJECT AT SPRING-8

2003 ◽  
Vol 18 (02n06) ◽  
pp. 208-214
Author(s):  
◽  
T. NAKANO
Keyword(s):  
Compton Scattering ◽  
Maximum Energy ◽  
Photon Beam ◽  
High Quality ◽  
Hadron Physics ◽  
Preliminary Results ◽  
The Status ◽  
Electron Photon ◽  
New Facility

The GeV photon beam at SPring-8 is produced by backward-Compton scattering of laser photons from 8 GeV electrons. Polarization of the photon beam will be ~100% at the maximum energy with fully polarized laser photons. We report the status of the new facility and the prospect of hadron physics study with this high quality beam. Preliminary results from the first physics run are presented.

The electron-photon beam monitoring with the image amplifying plate

1965 ◽  
Vol 37 ◽  
pp. 332-333
Author(s):  
R. Kajikawa ◽  
K. Kikuchi ◽  
A. Masaika ◽  
Y. Murata
Keyword(s):  
Photon Beam ◽  
Electron Photon ◽  
Beam Monitoring

scholarly journals Programmable combinational logic trigger system for high energy particle physics experiments

1977 ◽  
Vol 140 (3) ◽  
pp. 549-552 ◽  
Author(s):  
E.D. Platner ◽  
A. Etkin ◽  
K.J. Foley ◽  
J.H. Goldman ◽  
W.A. Love ◽  
...  
Keyword(s):  
Particle Physics ◽  
High Energy ◽  
High Energy Particle ◽  
Combinational Logic ◽  
Trigger System ◽  
Energy Particle ◽  
Physics Experiments

scholarly journals PROBING GRAVITATIONAL INTERACTIONS OF ELEMENTARY PARTICLES

2004 ◽  
Vol 13 (10) ◽  
pp. 2355-2359 ◽  
Author(s):  
JONATHAN L. FENG ◽  
ARVIND RAJARAMAN ◽  
FUMIHIRO TAKAYAMA
Keyword(s):  
Dark Matter ◽  
Early Universe ◽  
Particle Physics ◽  
Gravitational Constant ◽  
Planck Scale ◽  
Elementary Particles ◽  
Supersymmetric Particle ◽  
Small Scales ◽  
Physics Experiments ◽  
Shed Light

The gravitational interactions of elementary particles are suppressed by the Planck scale M*~1018 GeV and are typically expected to be far too weak to be probed by experiments. We show that, contrary to conventional wisdom, such interactions may be studied by particle physics experiments in the next few years. As an example, we consider conventional supergravity with a stable gravitino as the lightest supersymmetric particle. The next-lightest supersymmetric particle (NLSP) decays to the gravitino through gravitational interactions after about a year. This lifetime can be measured by stopping NLSPs at colliders and observing their decays. Such studies will yield a measurement of Newton's gravitational constant on unprecedentedly small scales, shed light on dark matter, and provide a window on the early universe.

scholarly journals The use of Convolutional Neural Networks for signal-background classification in Particle Physics experiments

2020 ◽  
Vol 245 ◽  
pp. 06003
Author(s):  
Venkitesh Ayyar ◽  
Wahid Bhimji ◽  
Lisa Gerhardt ◽  
Sally Robertson ◽  
Zahra Ronaghi
Keyword(s):  
Neural Networks ◽  
Convolutional Neural Networks ◽  
Particle Physics ◽  
Simulated Data ◽  
Image Data ◽  
Use Case ◽  
Neural Architecture ◽  
Ice Cube ◽  
2D And 3D ◽  
Physics Experiments

The success of Convolutional Neural Networks (CNNs) in image classification has prompted efforts to study their use for classifying image data obtained in Particle Physics experiments. Here, we discuss our efforts to apply CNNs to 2D and 3D image data from particle physics experiments to classify signal from background. In this work we present an extensive convolutional neural architecture search, achieving high accuracy for signal/background discrimination for a HEP classification use-case based on simulated data from the Ice Cube neutrino observatory and an ATLAS-like detector. We demonstrate among other things that we can achieve the same accuracy as complex ResNet architectures with CNNs with less parameters, and present comparisons of computational requirements, training and inference times.

Sign in / Sign up

Export Citation Format

Share Document