First results of LHAASO

2021 ◽  
Author(s):  
Ruo-Yu Liu
Keyword(s):  
High Altitude ◽  
Detailed Analysis ◽  
Confidence Level ◽  
Gamma Ray ◽  
Crab Nebula ◽  
Ultrahigh Energy ◽  
Air Shower ◽  
First Results ◽  
Energy Gamma

The Large High Altitude Air Shower Observatory (LHAASO) has recently published the first results, including the discovery of 12 ultrahigh-energy gamma-ray sources (with emission above 100[Formula: see text]TeV) above [Formula: see text] confidence level and a detailed analysis of Crab Nebula. This contribution gives a brief introduction to the LHAASO experiment and its recent discoveries.

scholarly journals Convolutional Neural Networks for Low Energy Gamma-Ray Air Shower Identification with HAWC

2021 ◽  
Author(s):  
Ian Watson ◽  
Anushka Udara Abeysekara ◽  
Andrea Albert ◽  
Ruben Alfaro ◽  
César Alvarez ◽  
...  
Keyword(s):  
Neural Networks ◽  
Convolutional Neural Networks ◽  
Gamma Ray ◽  
Low Energy ◽  
Air Shower ◽  
Energy Gamma

Development of the Buckland Park Cosmic Ray Air Shower Array for Ultra High Energy Gamma Ray Astronomy

1986 ◽  
Vol 6 (3) ◽  
pp. 335-338 ◽  
Author(s):  
D. Ciampa ◽  
R. W. Clay ◽  
C. L. Corani ◽  
P. G. Edwards ◽  
J. R. Patterson
Keyword(s):  
Gamma Ray ◽  
Cosmic Ray ◽  
High Energy ◽  
Ultra High Energy ◽  
Gamma Ray Astronomy ◽  
Air Shower ◽  
High Energy Gamma ◽  
Energy Gamma ◽  
Shower Array ◽  
Air Shower Array

AbstractThe Buckland Park air shower array is being developed particularly for use as an ultra-high-energy gamma ray astronomy telescope. The properties of this instrument are described with an emphasis on improvements being made to its angular resolution. Some early data are presented to illustrate the way in which the data obtained will be used.

scholarly journals MULTI-TeV GAMMA-RAY OBSERVATION FROM THE CRAB NEBULA USING THE TIBET-III AIR SHOWER ARRAY FINELY TUNED BY THE COSMIC RAY MOON'S SHADOW

2009 ◽  
Vol 692 (1) ◽  
pp. 61-72 ◽  
Author(s):  
M. Amenomori ◽  
X. J. Bi ◽  
D. Chen ◽  
S. W. Cui ◽  
Danzengluobu ◽  
...  
Keyword(s):  
Gamma Ray ◽  
Crab Nebula ◽  
Cosmic Ray ◽  
Air Shower ◽  
The Crab Nebula ◽  
Shower Array ◽  
Air Shower Array

ARGO-YBJ EXPERIMENT RESULTS AND PROSPECTS IN LHAASO PROJECT

2012 ◽  
Vol 10 ◽  
pp. 147-158 ◽  
Author(s):  
◽  
MIN ZHA
Keyword(s):  
Research And Development ◽  
High Altitude ◽  
Gamma Ray ◽  
Solar Physics ◽  
Experimental Studies ◽  
Cosmic Ray ◽  
Gamma Ray Astronomy ◽  
Air Shower ◽  
Future Extension

The ARGO-YBJ detector, a RPC carpet array at the high altitude of 4300 m has been stably operated since 2007. As a multi-purpose experiment the physics topics of ARGO-YBJ covers the VHE gamma-ray astronomy, cosmic ray physics and solar physics. Results of these experimental studies are reviewed. And as a future extension project, the Large High Altitude Air Shower Observatory (LHAASO) is introduced, some research and development of detectors are described.

scholarly journals High‐Energy Gamma‐Ray Observations of the Crab Nebula and Pulsar with the Solar Tower Atmospheric Cerenkov Effect Experiment

2001 ◽  
Vol 547 (2) ◽  
pp. 949-958 ◽  
Author(s):  
S. Oser ◽  
D. Bhattacharya ◽  
L. M. Boone ◽  
M. C. Chantell ◽  
Z. Conner ◽  
...  
Keyword(s):  
Gamma Ray ◽  
Crab Nebula ◽  
High Energy ◽  
High Energy Gamma ◽  
Energy Gamma ◽  
The Crab Nebula ◽  
Cerenkov Effect ◽  
Effect Experiment

scholarly journals The Status of Ultra-High-Energy Gamma-Ray Observations

1994 ◽  
Vol 142 ◽  
pp. 883-888
Author(s):  
R. J. Protheroe
Keyword(s):  
Gamma Rays ◽  
Gamma Ray ◽  
Crab Nebula ◽  
Statistical Significance ◽  
High Energy ◽  
Archival Data ◽  
Ultra High Energy ◽  
Air Shower ◽  
The Galaxy ◽  
The Status

AbstractIn 1983 Samorski and Stamm found evidence of ultra-high-energy (UHE) gamma-ray emission from Cygnus X-3 in archival data from the Kiel air shower array. The emission appeared to be emitted only at one phase in the binary orbit. The Kiel array was sensitive to air showers generated by particles with energies above 3 × 1015 eV. Their discovery led to searches in archival data from other arrays for evidence of UHE emission from Cygnus X-3 and other potential sources in the Galaxy, and to the construction of new air shower arrays dedicated to UHE astronomy.In the mid 1980s many groups around the world claimed detections of Cygnus X-3, Hercules X-1, Vela X-1, and other objects. Cygnus X-3 is strongly variable at all wavelengths, and so it would be surprising if this variability did not extend to UHE gamma-rays also. This indeed appeared to be the case, and in the mid to late 1980s the UHE gamma-ray output showed a steady decline apart from transient UHE emission following giant radio flares. With the exception of possible detections above 1017 eV by the Fly’s Eye and Akeno Array, I am unaware of any statistically compelling claimed detections of this source reported over the past 4 years. The new arrays—CASA-MIA and SPASE—have not detected any of the claimed sources, and it seems likely that at least some of these early claims may have been premature. However, although none of the observations taken alone was of extremely high statistical significance, the observations of Cygnus X-3 by different groups showed a consistency which I feel cannot be ascribed to chance alone. The observations of Cygnus X-3 and the Crab Nebula/Pulsar are reviewed with particular reference to the results published during the last 5 years.Subject headings: gamma rays: observations — pulsars: individual (Crab Nebula) — stars: individual (Cygnus X-3)

A low-energy gamma-ray observation of the Crab Nebula

1977 ◽  
Vol 212 ◽  
pp. 704 ◽  
Author(s):  
P. Mandrou ◽  
M. Niel ◽  
G. Vedrenne ◽  
A. Dupont
Keyword(s):  
Gamma Ray ◽  
Crab Nebula ◽  
Low Energy ◽  
Energy Gamma ◽  
The Crab Nebula

Possibility of experimental ultrahigh-energy gamma-ray astronomy

1987 ◽  
Vol 152 (6) ◽  
pp. 345
Author(s):  
E.A. Mamidzhanyan ◽  
S.I. Nikol'skii
Keyword(s):  
Gamma Ray ◽  
Ultrahigh Energy ◽  
Gamma Ray Astronomy ◽  
Energy Gamma
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