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The dark photon is a well motivated candidate for the dark matter which comprises most of the mass of our visible Universe, leading to worldwide experimental and observational efforts towards its discovery. A primary tool in this search is…

High Energy Physics - Experiment · Physics 2026-04-01 Yuan-Hann Chang , Cheng-Wei Chiang , Hien Thi Doan , Nick Houston , Jinmian Li , Tianjun Li , Lina Wu , Xin Zhang

For the current generation of Imaging Atmospheric Cherenkov Telescopes (IACTs), with their large mirrors and their cameras with fine segmentation of photodetectors, the focusing capability is a relevant issue. The optical system of an IACT…

High Energy Astrophysical Phenomena · Physics 2019-08-14 C. Trichard , A. Fiasson , G. Maurin , G. Lamanna

The VERITAS Imaging Air Cherenkov Telescope array (IACT) was augmented in 2019 with high-speed focal plane electronics to allow the use of VERITAS for Stellar Intensity Interferometry (SII) observations. Since that time, several…

Instrumentation and Methods for Astrophysics · Physics 2021-08-23 D. B Kieda , Jonathan Davis , Tugdual LeBohec , Mike Lisa , Nolan K. Matthews

We study the effect of the axion dark matter velocity in the recently proposed dielectric haloscopes, a promising avenue to search for well-motivated high mass ($40-400~\mu$eV) axions. We describe non-zero velocity effects for axion-photon…

High Energy Physics - Phenomenology · Physics 2018-05-29 Alexander J. Millar , Javier Redondo , Frank D. Steffen

We argue that dielectric haloscopes like MADMAX, originally designed for detecting axion dark matter, are also very promising gravitational wave detectors. Operated in resonant mode at frequencies around $\mathcal{O}(10\,\text{GHz})$, these…

High Energy Physics - Phenomenology · Physics 2024-09-11 Valerie Domcke , Sebastian A. R. Ellis , Joachim Kopp

We summarise the recent progress of the Axion Longitudinal Plasma HAloscope (ALPHA) Consortium, a new experimental collaboration to build a plasma haloscope to search for axions and dark photons. The plasma haloscope is a novel method for…

Haloscopes, microwave resonant cavities utilized in detecting dark matter axions within powerful static magnetic fields, are pivotal in modern astrophysical research. This paper delves into the realm of cylindrical geometries, investigating…

Instrumentation and Detectors · Physics 2023-10-26 J. M. García-Barceló , A. Díaz-Morcillo , B. Gimeno

The recently commissioned 3.6-m Devasthal optical telescope has been used for various tests and science observations using three main instruments, namely, a charge-coupled device camera, a near-infrared camera, and an optical…

Instrumentation and Methods for Astrophysics · Physics 2019-08-08 Amitesh Omar , Bheemireddy Krishna Reddy , Tripurari Kumar , Jayshreekar Pant

The High Energy Stereoscopic System (H.E.S.S.) is an array of five imaging atmospheric Cherenkov telescopes (IACTs) to study gamma-ray emission from astrophysical objects in the Southern hemisphere. It is the only hybrid array of IACTs,…

Instrumentation and Methods for Astrophysics · Physics 2023-07-19 S. Ohm , S. Wagner

Santa Cruz Array of Lenslets for Exoplanet Spectroscopy (SCALES) is an instrument being designed for direct imaging of exoplanets in the infrared with the Adaptive Optics System of the W.M. Keck Observatory. The performance of SCALES will…

Instrumentation and Methods for Astrophysics · Physics 2021-09-03 Jialin Li , Andrew Skemer

The High Altitude Water Cherenkov (HAWC) gamma-ray observatory has been fully operational since March 2015. To improve its sensitivity at the highest energies, it is being upgraded with an additional sparse array called outrigger array. We…

Instrumentation and Methods for Astrophysics · Physics 2017-04-06 Vikas Joshi

While large vision-language models (LVLMs) have demonstrated impressive capabilities in interpreting multi-modal contexts, they invariably suffer from object hallucinations (OH). We introduce HALC, a novel decoding algorithm designed to…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Zhaorun Chen , Zhuokai Zhao , Hongyin Luo , Huaxiu Yao , Bo Li , Jiawei Zhou

The ALICE experiment profited of the Long Shutdown during 2019-2021 in order to expand its physics capabilities and fully profit from the increased LHC luminosity in Run 3. The Inner Tracking System has been replaced with a new silicon…

Instrumentation and Detectors · Physics 2022-01-25 A. Ferretti

Small cryogenic detectors with efficient background rejection now best longer established and heavier direct dark matter searches. This paper reviews the experiments, results and prospects.

Astrophysics · Physics 2007-05-23 P. C. F. Di Stefano

After the first successful LHC run in 2010-2012, plans are actively advancing for a series of upgrades leading eventually to about above times the design-luminosity in about ten years. The larger luminosity will allow to perform precise…

Instrumentation and Detectors · Physics 2014-09-18 C. Gemme

An observation of the anisotropy of dark matter interactions in a direction-sensitive detector would provide decisive evidence for the discovery of galactic dark matter. Directional information would also provide a crucial input to…

High Energy Physics - Phenomenology · Physics 2015-11-20 Gopolang Mohlabeng , Kyoungchul Kong , Jin Li , Adam Para , Jonghee Yoo

The Axion Dark Matter eXperiment (ADMX) is in the midst of an upgrade to reduce its system noise temperature. ADMX-HF (High Frequency) is a second platform specifically designed for higher mass axions and will serve as an innovation…

Instrumentation and Detectors · Physics 2013-05-01 Karl van Bibber , Gianpaolo Carosi

We report an axion dark matter search with a haloscope equipped with a microwave photon counter. The haloscope is a tunable high quality factor 3-dimensional microwave cavity placed in a magnetic field. The photon counter, operated…

The paper describes the MAGIC multi-mode focal reducer (Monitoring of Active Galaxies by Investigation of their Cores), commissioned on the 1-m Zeiss-1000 telescope of the Special Astrophysical Observatory of the Russian Academy of Sciences…

Small object detection has been a challenging problem in the field of object detection. There has been some works that proposes improvements for this task, such as adding several attention blocks or changing the whole structure of feature…

Computer Vision and Pattern Recognition · Computer Science 2023-11-10 Shiyi Tang , Shu Zhang , Yini Fang
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