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Naveau et al. (2016) have recently developed a class of methods, based on extreme-value theory (EVT), for capturing low, moderate, and heavy rainfall simultaneously, without the need to choose a threshold typical to EVT methods. We analyse…

Applications · Statistics 2018-04-25 Michael Bertolacci , Edward Cripps , Ori Rosen , Sally Cripps

The observation of very-high-energy (VHE, E>100 GeV) gamma rays is mediated by the imaging atmospheric Cherenkov technique (IACTs). At these energies, gamma rays interact with the atmosphere to create a cascade of electromagnetic air…

High Energy Astrophysical Phenomena · Physics 2023-09-22 Deivid Ribeiro , Yuping Zheng , Ramana Sankar , Kameswara Mantha

The $PeV$ cosmogenic neutrino is still interesting argument. Since cosmogenic neutrinos interact weakly with matter, the detection of their direction will precisely point out the source in the space. In this paper, we show the results of…

High Energy Physics - Experiment · Physics 2021-06-01 S. Atik Yilmaz , A. Yilmaz , M. Iori , K. Y. Oyulmaz , H. Denizli

Data-driven methods of background estimations are often used to obtain more reliable descriptions of backgrounds. In hadron collider experiments, data-driven techniques are used to estimate backgrounds due to multi-jet events, which are…

High Energy Physics - Phenomenology · Physics 2021-07-06 Suyong Choi , Hayoung Oh

With the growing number of gravitational-wave detections, particularly from binary black hole mergers, there is increasing anticipation that an astrophysical background, formed by an ensemble of faint, high-redshift events, will be observed…

General Relativity and Quantum Cosmology · Physics 2026-01-16 Xiaolin Liu , Sachiko Kuroyanagi

In high-energy astrophysics, it is common practice to account for the background overlaid with the counts from the source of interest with the help of auxiliary measurements carried on by pointing off-source. In this "on/off" measurement,…

Instrumentation and Methods for Astrophysics · Physics 2014-12-12 Diego Casadei

The proposed SCORE detector consists of a large array of light collecting modules designed to sample the Cherenkov light front of extensive air showers in order to detect high energy gamma-rays. A large spacing of the detector stations…

Instrumentation and Methods for Astrophysics · Physics 2009-09-04 Daniel Hampf , Martin Tluczykont , Dieter Horns

Analyses of Imaging Atmospheric Cherenkov Telescope (IACT) data for extended $\gamma$-ray sources face the issue that the field of view does not offer sufficient regions for background estimations. In cases where the source angular size…

High Energy Astrophysical Phenomena · Physics 2026-03-18 Ruo-Yu Shang , Karl Kosack , Brian Humensky

We present a stacking method that makes use of co-added maps of gamma-ray counts produced from data taken with the Fermi Large Area Telescope. Sources with low integrated gamma-ray fluxes that are not detected individually may become…

Instrumentation and Methods for Astrophysics · Physics 2015-06-11 B. Huber , C. Farnier , A. Manalaysay , U. Straumann , R. Walter

The search for gamma-ray counterparts to gravitational-wave events with the CALET Gamma-ray Burst Monitor (CGBM) requires accurate and robust background modeling. Previous CALET observing runs (O3 and O4) relied on averaged pre/post-event…

High Energy Astrophysical Phenomena · Physics 2025-11-20 Bisweswar Sen

Accurate classification of weather conditions in images is essential for enhancing the performance of object detection and classification models under varying weather conditions. This paper presents a comprehensive study on classifying…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Eden Ship , Eitan Spivak , Shubham Agarwal , Raz Birman , Ofer Hadar

The measurements with the background estimation from an off-zone are widely used in astrophysics, accelerator physics and other areas. Usually, the expected number of the background events in the off-zone and in the on-zone is known with a…

Applications · Statistics 2013-05-02 Vladimir Kulikovskiy

Several experiments in high-energy physics and astrophysics can be treated as on/off measurements, where an observation potentially containing a new source or effect ("on" measurement) is contrasted with a background-only observation free…

Data Analysis, Statistics and Probability · Physics 2018-05-23 G. Vianello

The detection of inclined air showers (zenith angles $\theta \gtrsim 65^\circ$) with kilometer-spaced radio-antenna arrays allows measuring cosmic rays at ultra-high energies ($E \lesssim 10^{20}\,\mathrm{eV}$). Radio and particle detector…

High Energy Astrophysical Phenomena · Physics 2024-10-11 Felix Schlüter , Tim Huege

During the last decade ground-based very high-energy gamma-ray astronomy achieved a remarkable advancement in the development of the observational technique for the registration and study of gamma-ray emission above 100 GeV. It is widely…

Astrophysics · Physics 2008-11-26 A. Konopelko , A. Chilingarian , A. Reimers

The Mega electron volt (MeV) gamma-ray observation is a promising diagnostic tool for observing the universe. However, the sensitivity of MeV gamma-ray telescopes is limited due to peculiar backgrounds, restricting the application of MeV…

Instrumentation and Methods for Astrophysics · Physics 2024-02-29 Tomonori Ikeda , Atsushi Takada , Taito Takemura , Kei Yoshikawa , Yuta nakamura , Ken Onozaka , Mitsuru Abe , Toru Tanimori

This research arises from the need to predict the amount of air pollutants in meteorological stations. Air pollution depends on the location of the stations (weather conditions and activities in the surroundings). Frequently, the…

Machine Learning · Computer Science 2024-02-05 Miriam Fdez-Díaz , José Ramón Quevedo , Elena Montañés

Ground based extensive air showers arrays can observe GRBs in the 1-1000 GeV energy range using the "single particle" techique. The sensitivity to detect a GRB as a function of the burst parameters and the detector characteristics are…

Astrophysics · Physics 2011-05-23 Silvia Vernetto

The presence of clouds between an airshower and a space-based detector can dramatically alter the measured signal characteristics due to absorption and scattering of the photonic signals. Furthermore, knowledge of the cloud cover in the…

Astrophysics · Physics 2007-05-23 John Krizmanic , Pierre Sokolsky , Robert Streitmatter

The dependence of the number of extensive air showers (EAS) on the zenith angle is obtained in groups with a constant solid-angle step with different election types at separations between stations of 500 and 1000 m by using the Yakutsk EAS…

Astrophysics · Physics 2007-05-23 E. S. Nikiforova
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