Results 1 to 10 of about 1,193,734 (417)

An Ultraviolet-to-Radio Broadband Spectral Atlas of Nearby Galaxies [PDF]

Astrophys.J.655:863-884,2007, 2006
The ultraviolet-to-radio continuum spectral energy distributions are presented for all 75 galaxies in the Spitzer Infrared Nearby Galaxies Survey (SINGS). A principal component analysis of the sample shows that most of the sample's spectral variations stem from two underlying components, one representative of a galaxy with a low infrared-to-ultraviolet
Armus, L., Bendo, G. J., Bianchi, L., Block, M., Boissier, S., Boselli, A., Buat, V., Buckalew, B. A., Burgarella, D., Calzetti, D., Cannon, J. M., Dale, D. A., Engelbracht, C. W., Gil de Paz, A., Gordon, K. D., Hanson, H. M., Helou, G., Hollenbach, D. J., Jarrett, T. H., Kennicutt, R. C., Leitherer, C., Li, A., Madore, B. F., Martin, D. C., Meyer, M. J., Murphy, E. J., Regan, M. W., Roussel, H., Smith, J. D. T., Sosey, M. L., Thilker, D. A., Walter, F.   +31 more
arxiv   +8 more sources

Habitable Zones and UV Habitable Zones around Host Stars [PDF]

, 2010
Ultraviolet radiation is a double-edged sword to life. If it is too strong, the terrestrial biological systems will be damaged. And if it is too weak, the synthesis of many biochemical compounds can not go along. We try to obtain the continuous ultraviolet habitable zones, and compare the ultraviolet habitable zones with the habitable zones of host ...
A. Segura, A.P. Buccino, A.P. Buccino, B.W. Jones, B.W. Jones, C. Lindberg, C.A. Iglesias, C.S. Cockell, D. Kilkenny, D. Tepfer, D.M. Williams, F. Forget, F. Hoyle, Fenghui Zhang, I. Lakatos, J.F. Kasting, J.G. Luhmann, J.J. Eldridge, J.P. Guo, J.P. Guo, J.W. Ferguson, Jianpo Guo, K.-P. Schröder, M. Noble, M.A. Mischna, M.H. Hart, M.J. Heath, M.T. Rosing, N. Grevesse, O.R. Pols, O.R. Pols, O.R. Pols, P.P. Eggleton, P.P. Eggleton, P.P. Eggleton, R.B. Setlow, S. Franck, S. Hoerner von, S. Hoerner von, W. Bloh von, X.F. Chen, X.F. Zhang, Xianfei Zhang, Z.W. Han, Z.W. Han, Zhanwen Han   +45 more
arxiv   +3 more sources

Comparing Ultraviolet and Infrared-Selected Starburst Galaxies in Dust Obscuration and Luminosity [PDF]

, 2010
We present samples of starburst galaxies that represent the extremes discovered with infrared and ultraviolet observations, including 25 Markarian galaxies, 23 ultraviolet luminous galaxies discovered with GALEX, and the 50 starburst galaxies having the largest infrared/ultraviolet ratios. These sources have z < 0.5 and cover a luminosity range of ~ 10^
Bernard-Salas, Bouwens, Brandl, Bussmann, Calzatti, Calzetti, Chapman, Daniel W. Weedman, Desai, Dey, Draine, Fadda, Farrah, Fazio, Genzel, Gunn, Heckman, Houck, Houck, James R. Houck, Le Floc'h, Lonsdale, Lonsdale, Lusine A. Sargsyan, Madau, Markarian, Martin, Martin, Menendez-Delmestre, Morrissey, Ouchi, Peeters, Pope, Reddy, Rieke, Rigopoulou, Salim, Sargsyan, Skrutskie, Smith, Steidel, Weedman, Weedman, Weedman, Wu, Yan   +45 more
arxiv   +3 more sources

Higgs ultraviolet softening [PDF]

Journal of High Energy Physics, 2014
We analyze the leading effective operators which induce a quartic momentum dependence in the Higgs propagator, for a linear and for a non-linear realization of electroweak symmetry breaking.
Brivio, I., Gavela, M. B., Gonzalez-Garcia, M. C., Merlo, L., Rigolin, S., Éboli, O. J. P.   +5 more
core   +7 more sources

Ultraviolet-Renormalon Reexamined [PDF]

Physical Review D, 1995
We consider large-order perturbative expansions in QED and QCD. The coefficients of the expansions are known to be dominated by the so called ultraviolet (UV) renormalons which arise from inserting a chain of vacuum-polarization graphs into photonic ...
Vainshtein, A. I., Zakharov, V. I.
core   +5 more sources

Ultraviolet Properties of N = 8 Supergravity at Five Loops [PDF]

Phys. Rev. D 98, 086021 (2018), 2018
We use the recently developed generalized double-copy construction to obtain an improved representation of the five-loop four-point integrand of $N = 8$ supergravity whose leading ultraviolet behavior we analyze using state of the art loop-integral expansion and reduction methods.
Z. Bern, J. J. Carrasco, Wei-ming Chen, Alex Edison, H. Johansson, Julio Parra-Martinez, R. Roiban, M. Zeng   +7 more
arxiv   +3 more sources

Far Ultraviolet Diffuse Emission from the Large Magellanic Cloud [PDF]

, 2010
We present the first observations of diffuse radiation in the far ultraviolet (1000 -- 1150 \AA) from the Large Magellanic Cloud based on observations made with the {\it Far Ultraviolet Spectroscopic Explorer}. The fraction of the total radiation in the field emitted as diffuse radiation is typically 5 -- 20\% with a high of 45\% near N70 where there ...
Bernard, Cole, Cole, Feast, Kurucz, Meixner, Moos, Murthy, Murthy, Parker, Parravano, Sahnow, van der Marel, Weingartner   +13 more
arxiv   +3 more sources

Materials Pushing the Application Limits of Wire Grid Polarizers further into the Deep Ultraviolet Spectral Range [PDF]

Advanced Optical Materials, 2016
Wire grid polarizers (WGPs), periodic nano‐optical metasurfaces, are convenient polarizing elements for many optical applications. However, they are still inadequate in the deep ultraviolet spectral range.
Adriana Szeghalmi, Daniel Franta, Kay Dietrich   +2 more
exaly   +2 more sources

Self-Powered Memristive Systems for Storage and Neuromorphic Computing

Frontiers in Neuroscience, 2021
A neuromorphic computing chip that can imitate the human brain’s ability to process multiple types of data simultaneously could fundamentally innovate and improve the von-neumann computer architecture, which has been criticized.
Jiajuan Shi, Zhongqiang Wang, Ye Tao, Ye Tao, Haiyang Xu, Xiaoning Zhao, Ya Lin, Yichun Liu   +7 more
doaj   +1 more source

Ti:Sa Crystal Geometry Variation vs. Final Amplifiers of CPA Laser Systems Parameters

Crystals, 2022
In this paper, the different Ti:Sapphire crystal configurations of the final amplifiers, depending on the Chirped Pulse Amplification laser system parameters, such as the repetition rates and pulse energy, are discussed.
Vladimir Chvykov
doaj   +1 more source