Results 21 to 30 of about 2,231,619 (353)
Infrared and Near-Infrared Spectroscopy of Acetylacetone and Hexafluoroacetylacetone [PDF]
The Journal of Physical Chemistry A, 2015 The infrared and near-infrared spectra of acetylacetone, acetylacetone-d8, and hexafluoroacetylacetone are characterized from experiment and computations at different levels. In the fundamental region, the intramolecular hydrogen bonded OH-stretching transition is clearly observed as a very broad band with substantial structure and located at ...
Henrik G. Kjaergaard +7 more
openaire +5 more sources
Remote Sensing, 2023 Velocity estimation of space moving targets is a key part of space situational awareness. However, most of the existing methods do not consider the satellite observation process, and the performance mainly depends on the preset target motion state, which
Shenghao Zhang +3 more
doaj +1 more source
Spitzer Observations of GX17+2: Confirmation of a Periodic Synchrotron Source [PDF]
, 2011 GX17+2 is a low-mass X-ray binary (LMXB) that is also a member of a small family of LMXBs known as "Z-sources" that are believed to have persistent X-ray luminosities that are very close to the Eddington limit. GX17+2 is highly variable at both radio and
Bornak, Jillian +6 more
core +1 more source
International Journal of Modern Physics E, 2009 We prove that Nambu–Jona-Lasinio model is an exact description of infrared Quantum ChromoDynamics (QCD) deriving it from QCD Lagrangian. The model we obtain is renormalizable and confining but, taking very small momenta fixes completely all the parameters of the Nambu–Jona-Lasinio model through those of QCD.
openaire +3 more sources
Room temperature mid-infrared fibre photoluminescence and lasing beyond 5 μm in Ce3+ -doped chalcogenide glass – INVITED [PDF]
EPJ Web of Conferences, 2023 We review here our recent work in achieving mid-infrared (MIR) fibre lasing beyond 5 µm wavelength in Ce3+-doped selenide-chalcogenide fibre, as well as the observed photoluminescence in samples of the same composition but in particulate and bulk glass ...
Nunes Joel J. +12 more
doaj +1 more source
Mid-Infrared Images of Luminous Infrared Galaxies in a Merging Sequence [PDF]
, 1998 We report mid-infrared observations of several luminous infrared galaxies (LIGs) carried out with the Infrared Space Observatory. Our sample was chosen to represent different phases of a merger sequence of galaxy-galaxy interaction with special emphasis ...
Acosta-Pulido J. A. +7 more
core +3 more sources
On the infrared behaviour of Gluons and Ghosts in Ghost-Antighost symmetric gauges [PDF]
, 2003 To investigate the possibility of a ghost-antighost condensate the coupled Dyson--Schwinger equations for the gluon and ghost propagators in Yang--Mills theories are derived in general covariant gauges, including ghost-antighost symmetric gauges.
A. Cucchieri +48 more
core +2 more sources
Developments for collective Thomson scattering equipment with a sub-THz gyrotron in LHD [PDF]
EPJ Web of Conferences, 2019 Plan of collective Thomson scattering (CTS) experiment for the Large Helical Device (LHD) in NIFS with a 303 GHz gyrotron is under way. Use of a sub-THz gyrotron expands the CTS-applicable region of plasma parameters.
Saito Teruo +11 more
doaj +1 more source
A Low Signal-to-Noise Ratio Infrared Small-Target Detection Network
IEEE Journal of Selected Topics in Applied Earth Observations and Remote SensingSpace-based infrared detection technology is critical to space situational awareness, playing a significant role in noncooperative space object detection, threat perception, and space target surveillance.
Fenghong Li +4 more
doaj +1 more source
Photonic slide rule with metasurfaces
Light: Science & Applications, 2022 Metasurface-based photonic slide rule enables the simultaneous resolving of unknown photons’ wavelength and polarization state in mid-infrared.
Feilong Yu +12 more
doaj +1 more source