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The increasing utilization of charged particle beams for therapeutic purposes requires designing novel detector systems which shall be capable of assessing radiation quality for a diversity of ion species. It is shown that the pattern of…

Instrumentation and Detectors · Physics 2009-09-30 M. Hajek

In this paper we will present the first results of applying a digital processing technology in low-level gamma spectroscopy with HPGE detectors. An experimental gamma spectrometer using Flash ADC module is built and tested. The test system…

High Energy Physics - Phenomenology · Physics 2009-11-10 T. Kihm , V. F. Bobrakov , H. V. Klapdor-Kleingrothaus

This paper describes the X-ray and gamma-ray imaging spectroscopy capabilities of the Ramaty High Energy Solar Spectroscopic Imager (RHESSI). It also outlines RHESSI's major scientific accomplishments during the 16 years of operations from…

Solar and Stellar Astrophysics · Physics 2023-04-05 Brian R. Dennis , Albert Y. Shih , Gordon J. Hurford , Pascal Saint-Hilaire

The scanning electron microscope (SEM) produces an image of a sample by scanning it with a focused beam of electrons. The electrons interact with the atoms in the sample, which emit secondary electrons that contain information about the…

Computer Vision and Pattern Recognition · Computer Science 2017-09-08 Shahar Tsiper , Or Dicker , Idan Kaizerman , Zeev Zohar , Mordechai Segev , Yonina C. Eldar

We investigate a momentum-resolved Raman spectroscopy technique which is able to probe the one-body spectral function and the quasi-particle states of a gas of strongly interacting ultracold atoms. This technique is inspired by…

Quantum Gases · Physics 2009-09-02 Tung-Lam Dao , Iacopo Carusotto , Antoine Georges

A compact resonance ionization mass spectrometer is developed using two laser diodes and a quadrupole mass spectrometer to perform trace element analysis of potassium. With the help of a narrow linewidth of the laser diode, the isotope…

Atomic Physics · Physics 2010-11-29 Yoshihiro Iwata , Yoshizumi Inoue , Makoto Minowa

The Southern Wide-field Gamma-ray Observatory (SWGO) Collaboration is currently engaged in design and prototyping work towards the realisation of this future gamma-ray facility. SWGO will complement CTA and the existing ground-particle…

Instrumentation and Methods for Astrophysics · Physics 2021-11-29 Jim Hinton

Laser-induced fluorescence spectra of the $c^3\Sigma^+(v_{c},J_{c}=N_{c})\rightarrow a^3\Sigma^+(v_{a},N_{a} = J_{c} \pm 1)$ transitions excited from the ground $X^1\Sigma^+$ state of $^{39}$K$^{133}$Cs molecule were recorded with…

Advances in astronomy are intimately linked to advances in digital signal processing (DSP). This special issue is focused upon advances in DSP within radio astronomy. The trend within that community is to use off-the-shelf digital hardware…

Instrumentation and Methods for Astrophysics · Physics 2017-02-03 Danny C. Price , Jonathon Kocz , Matthew Bailes , Lincoln J. Greenhill

One of the crucial aspects of current research in quantum information science is the identification and control of loss mechanisms in superconducting circuits. Although microwave measurements directly quantify device performance, additional…

Remote sensing images (RSIs) are frequently degraded by haze, fog, and thin clouds, which obscure surface reflectance and hinder downstream applications. This study presents the first systematic and unified survey of RSIs dehazing,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Heng Zhou , Xiaoxiong Liu , Zhenxi Zhang , Jieheng Yun , Chengyang Li , Yunchu Yang , Dongyi Xia , Chunna Tian , Xiao-Jun Wu

Recent progress in the diagnosis of flare fast particles is critically discussed with the main emphasis on high resolution Hard X-Ray (HXR) data from RHESSI and coordinated data from other instruments. Spectacular new photon data findings…

Astrophysics · Physics 2009-11-11 John C. Brown , Eduard P. Kontar

Surface enhanced Raman scattering (SERS) exploits surface plasmons induced by the incident field in metallic nanostructures to significantly increase the Raman intensity. Graphene provides the ideal prototype two dimensional (2d) test…

Mesoscale and Nanoscale Physics · Physics 2013-04-03 F. Schedin , E. Lidorikis , A. Lombardo , V. G. Kravets , A. K. Geim , A. N. Grigorenko , K. S. Novoselov , A. C. Ferrari

We describe a proposal to add a set of very forward detectors to the CMS experiment for the high-luminosity era of the Large Hadron Collider to search for beyond the standard model long-lived particles, such as dark photons, heavy neutral…

We present the Raman microscopy ability to detect and characterize the way hydrogen is bonded with elements that will be used for ITER's plasma facing components. For this purpose we first use hydrogenated amorphous carbon samples, formed…

Heisenberg-limited measurement protocols can be used to gain an increase in measurement precision over classical protocols. Such measurements can be implemented using, e.g., optical Mach-Zehnder interferometers and Ramsey spectroscopes. We…

Quantum Physics · Physics 2009-11-07 Hwang Lee , Pieter Kok , Jonathan P. Dowling

The code NMSDECAY allows to compute widths and branching ratios of sparticle decays in the Next-to-Minimal Supersymmetric Standard Model. It is based on a generalization of SDECAY, to include the extended Higgs and neutralino sectors of the…

High Energy Physics - Phenomenology · Physics 2015-05-28 Debottam Das , Ulrich Ellwanger , Ana M. Teixeira

Hyperspectral imaging with high spectral resolution plays an important role in finding objects, identifying materials, or detecting processes. The decrease of the widths of spectral bands leads to a decrease in the signal-to-noise ratio…

Image and Video Processing · Electrical Eng. & Systems 2021-09-21 Lina Zhuang , Michael K. Ng

Hyperspectral images show similar statistical properties to natural grayscale or color photographic images. However, the classification of hyperspectral images is more challenging because of the very high dimensionality of the pixels and…

Computer Vision and Pattern Recognition · Computer Science 2015-04-13 Gustavo Camps-Valls , Devis Tuia , Lorenzo Bruzzone , Jón Atli Benediktsson

Using a powerful homogenization technique, one- and two-dimensional graphene metasurfaces are homogenized both at the fundamental frequency (FF) and second harmonic (SH). In both cases, there is excellent agreement between the predictions…

Optics · Physics 2019-05-17 Qun Ren , J. W. You , N. C. Panoiu