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Integral-field spectroscopy in the near-infrared (NIR) is a powerful tool to analyze the gaseous and stellar distributions and kinematics, as well as the excitation mechanisms in the centers of galaxies. The unique combination of NIR and…

Astrophysics of Galaxies · Physics 2015-11-11 Gerold Busch , Nastaran Fazeli , Semir Smajić , Andreas Eckart , Lydia Moser , Mónica Valencia-S.

Mid-infrared (mid-IR) spectroscopy is a crucial workhorse for a plethora of analytical applications and is suitable for diverse materials, including gases, polymers or biological tissue. However, this technologically significant wavelength…

Optics · Physics 2022-02-23 Paul Kaufmann , Helen M. Chrzanowski , Aron Vanselow , Sven Ramelow

Since the technological breakthrough prompted by the inception of light emitting diodes based on III-nitrides, these material systems have emerged as strategic semiconductors not only for the lighting of the future, but also for the new…

Materials Science · Physics 2017-02-16 G. Capuzzo , D. Kysylychyn , R. Adhikari , T. Li , B. Faina , A. Tarazaga Martín-Luengo , A. Bonanni

We quantify the active galactic nucleus (AGN) contribution to the mid-infrared (mid-IR) and the total infrared (IR, 8-1000micron) emission in a complete volume-limited sample of 53 local luminous infrared galaxies (LIRGs). We decompose the…

Cosmology and Nongalactic Astrophysics · Physics 2012-05-16 Almudena Alonso-Herrero , Miguel Pereira-Santaella , George H. Rieke , Dimitra Rigopoulou

Application of NaI(Tl) detectors in the search for galactic dark matter particles through their elastic scattering off the target nuclei is well motivated because of the long standing DAMA/LIBRA highly significant positive result on annual…

The design of a low-power prototype of neutron amplifier recently proposed within the INFN-E project indicated the need for more accurate called for detailed data on the neutron yield produced by a proton beam with energy of about 70 MeV…

In this paper we report on measurements of the effects of dissolved methane upon argon scintillation light. We monitor the light yield from an alpha source held 20 cm from a cryogenic photomultiplier tube (PMT) assembly as methane is…

Instrumentation and Detectors · Physics 2014-01-21 B. J. P. Jones , T. Alexander , H. O. Back , G. Collin , J. M. Conrad , A. Greene , T. Katori , S. Pordes , M. Toups

NEXT is a new experiment to search for neutrinoless double beta decay using a 100 kg radio-pure high-pressure gaseous xenon TPC. The detector requires excellent energy resolution, which can be achieved in a Xe TPC with electroluminescence…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 L. M. P. Fernandes , E. D. C. Freitas , M. Ball , J. J. Gómez-Cadenas , C. M. B. Monteiro , N. Yahlali , D. Nygren , J. M. F. dos Santos

We present ground-based high-spatial resolution mid-infrared (MIR) observations of 20 nearby low-luminosity AGN (LLAGN) with VLT/VISIR and the preliminary analysis of a new sample of 10 low-luminosity Seyferts observed with Gemini/Michelle.…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 D. Asmus , S. F. Hönig , P. Gandhi , A. Smette , W. J. Duschl

We present the mid-infrared (MIR) spectra obtained with the Spitzer InfraRed Spectrograph (IRS) for a sample of 52 sources, selected as infrared luminous, z>1 candidates in the Extragalactic First Look Survey (XFLS). The sample selection…

Infrared (IR) luminosity is fundamental to understanding the cosmic star formation history and AGN evolution. The AKARI IR space telescope performed all sky survey in 6 IR bands (9, 18, 65, 90, 140, and 160um) with 3-10 times better…

We present the AKARI near-infrared (NIR; 2.5-5 micron) spectroscopic study of 36 (ultra)luminous infrared galaxies [(U)LIRGs] at z=0.01-0.4. We measure the NIR spectral features including the strengths of 3.3 micron polycyclic aromatic…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 Jong Chul Lee , Ho Seong Hwang , Myung Gyoon Lee , Minjin Kim , Joon Hyeop Lee

To increase the light yield of a liquid Ar (LAr) detector, we optimized the evaporation technique of tetraphenyl butadiene (TPB) on the detector surface and tested the operability of a silicon photomultiplier (SiPM), namely, the multi-pixel…

Instrumentation and Detectors · Physics 2022-05-04 Kazutaka Aoyama , Masashi Tanaka , Masato Kimura , Kohei Yorita

We present a comprehensive study of the nonproportionality of NaI(Tl) scintillation detectors within the context of dark matter search experiments. Our investigation, which integrates COSINE-100 data with supplementary $\gamma$…

Hyperluminous infrared galaxies (HLIRG) are the most luminous persistent objects in the Universe. They exhibit extremely high star formation rates, and most of them seem to harbour an AGN. They are unique laboratories to investigate the…

Cosmology and Nongalactic Astrophysics · Physics 2013-01-11 A. Ruiz , G. Risaliti , E. Nardini , F. Panessa , F. J. Carrera

With current wide-field near-infrared (NIR) instruments the scattered light in the near-infrared can be mapped over large areas. Below A_V ~ 10 the surface brightness is directly proportional to the column density, and at slightly higher…

Astrophysics · Physics 2009-11-11 M. Juvela , V. -M. Pelkonen , P. Padoan , K. Mattila

Liquid scintillator (LS) will be adopted as the detector material in JUNO (Jiangmen Underground Neutrino Observatory). The energy resolution requirement of JUNO is 3%, which has never previously been reached. To achieve this energy…

The spectra of AGN from the ultraviolet to the near infrared, exhibit emission lines covering a wide range of ionisation states, from neutral species such as [O I] 6300A, up to [Fe XIV] 5303A. Here we report on some recent studies of the…

Cosmology and Nongalactic Astrophysics · Physics 2010-08-04 M. J. Ward , J. R. Mullaney , C. Jin , R. Davies

We are carrying out detailed study of the X-ray and infrared (IR) properties of a sample of local (d < 70 Mpc) luminous infrared galaxies (LIRGs) using XMM-Newton and Spitzer (imaging and spectroscopy). The main goal is to study the extreme…

Nonlinear Compton scattering is the process of emission of a single photon by a charge driven by an intense laser field. Here, we study the infrared behavior of the photon yield emitted via nonlinear Compton scattering. We first consider…

High Energy Physics - Phenomenology · Physics 2026-05-25 Antonino Di Piazza , Giulio Audagnotto
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