Browsing Articles by Title

Now showing items 332-351 of 761

Light‐operated millisecond timers

Lonc, William, 1930-; Gregson, P. H. (American Association of Physics TeachersAmerican Institute of Physics, 1976-08)

There is no abstract available for this article.
Line-shape analysis of Doppler-broadened [gamma] lines following the [beta] decay of [superscript 11]Li

Austin, Roby Anne Elizabeth, 1974-; Mattoon, C. M.; Sarazin, F.; Andreoiu, C.; Andreyev, A. N.; Ball, G. C.; Chakrawarthy, R. S.; Cross, D.; Cunningham, E. S.; Daoud, J. (American Physical Society, 2009-09)

The [beta] decay of [superscript 11]Li is studied at the TRIUMF Isotope Separation and Acceleration (ISAC) facility using the 8[pi] [gamma]-ray spectrometer coupled with an inner array of 20 plastic scintillators for [beta] ...
Linear least‐squares fits with errors in both coordinates

Reed, B. Cameron (American Association of Physics TeachersAmerican Institute of Physics, 1989-07)

York’s solution to the problem of linear least‐squares fits with errors in both coordinates [D. York, Can. J. Phys. 4 4, 1079 (1966)] is shown to be exact and not subject to the erroneous results that attempts to modify ...
Linear least‐squares fits with errors in both coordinates. II: Comments on parameter variances

Reed, B. Cameron (American Association of Physics TeachersAmerican Institute of Physics, 1992-01)

Corrected expressions for parameter variances in linear (straight‐line) least‐squares fits given in an earlier paper [B. C. Reed, Am. J. Phys. 5 7, 642–646 (1989)] are presented and discussed. In addition, some simplifications ...
Local patchiness of Gyrodactylus colemanensis and G. salmonis parasitizing salmonids in the South River watershed, Nova Scotia, Canada

You, Ping; MacMillan, John; Cone, David Knight (Inter-Research, 2011-09-09)

Prevalence and intensity of Gyrodactylus colemanensis and G. salmonis (Monogenea) parasitizing juvenile/adult brook trout Salvelinus fontinalis, rainbow trout Oncorhynchus mykiss, brown trout Salmo trutta, and Atlantic ...
Long XMM observation of the narrow-line Seyfert 1 galaxy IRAS 13224−3809: rapid variability, high spin and a soft lag

Gallo, Luigi C.; Fabian, A. C.; Kara, E.; Walton, D. J.; Wilkins, D. R.; Ross, R. R.; Lozanov, K.; Uttley, P.; Zoghbi, A.; Miniutti, G. (Oxford University Press, 2013-03-11)

The narrow-line Seyfert 1 galaxy IRAS 13224−3809 has been observed with XMM–Newton for 500 ks. The source is rapidly variable on time-scales down to a few 100 s. The spectrum shows strong broad Fe − K and L emission ...
Long-lived association between Avalonia and the Meguma terrane deduced from zircon geochronology of metasedimentary granulites

Shellnutt, J. Gregory; Owen, John Victor, 1955-; Yeh, Meng-Wan; Dostal, J.; Nguyen, Dieu T. (Springer Nature, 2019-03-11)

The Acadian Orogeny of the Northern Appalachians was caused by accretion of the peri-Gondwanan terranes Avalonia and Meguma to the eastern margin of Laurentia during the Devonian. The lithotectonic relationship between ...
The long-term binary system VV Cep

Pollmann, E; Bennett, Philip Desmond, 1952-; Hopkins, J. L. (Konkoly Observatory, 2016-01-16)

VV Cep is an eclipsing binary with a period of about 20.4 years that is comprised of an M2Iab primary star and an early B secondary star. A preliminary orbit was announced in 1933 by Harper & Christie (1936), and McLaughlin ...
Looking for giant earths in the HD 209458 system: a search for transits in MOST space-based photometry

Guenther, David B.; Croll, Bryce; Matthews, Jaymie M.; Rowe, Jason F.; Kuschnig, Rainer; Walker, Andrew; Gladman, Brett; Sasselov, Dimitar; Cameron, Chris; Walker, Gordon A. H. (American Astronomical Society, 2007-04)

We have made a comprehensive transit search for exoplanets down to about 2 Earth radii in the HD 209458 system, based on nearly uninterrupted broadband optical photometry obtained with the MOST (Microvariability and ...
Looking for super-Earths in the HD 189733 system: a search for transits in MOST space-based photometry

Croll, Bryce; Matthews, Jaymie M.; Rowe, Jason F.; Gladman, Brett; Miller-Ricci, Eliza; Sasselov, Dimitar; Walker, Gordon A. H.; Kuschnig, Rainer; Lin, Douglas N. C.; Guenther, David B. (American Astronomical Society, 2007-12-20)

We have made a comprehensive transit search for exoplanets down to [similar or equal to]1.5-2 Earth radii in the HD 189733 system, based on 21 days of nearly uninterrupted broadband optical photometry obtained with the ...
A low-flux state in IRAS 00521−7054 seen with NuSTAR and XMM–Newton: relativistic reflection and an ultrafast outflow

Walton, Dominic; Nardini, Emanuele; Gallo, Luigi C.; Reynolds, M. T.; Ricci, C.; Dauser, Thomas; Fabian, Andrew C.; Garcia, J. A.; Harrison, F. A.; Risaliti, G.; Stern, D. (Oxford University PressRoyal Astronomical Society, 2019-01-16)

We present results from a deep, coordinated XMM–Newton + NuSTAR observation of the Seyfert 2 galaxy IRAS 00521−7054. The NuSTAR data provide the first detection of this source in ...
Low-lying excited states in [superscript 17,19]C

Elekes, Z.; Dombradi, Zs.; Kanungo, Rituparna; Baba, H.; Fulop, Zs.; Gibelin, J.; Horvath, A.; Ideguchi, E.; Ichikawa, Y.; Iwasa, N. (Elsevier, 2005)

[superscript 17,19]C nuclei have been investigated by proton inelastic scattering on a liquid hydrogen target at intermediate energies. Two peaks were observed in the Doppler-corrected [gamma]-ray spectra with energies of ...
Low-Q[superscript 2] measurements of the proton form factor ratio [mu][subscript p]G[subscript E]/G[subscript M]

Ron, G.; Zhan, X.; Glister, J.; Lee, B.; Allada, K.; Armstrong, W.; Arrington, J.; Beck, A.; Benmokhtar, F.; Berman, B. L.; McCullough, E.; Sarty, Adam James, 1965- (American Physical Society, 2011-11-21)

We present an updated extraction of the proton electromagnetic form factor ratio, [mu][subscript p]G[subscript E]/G[subscript M], at low Q[superscript 2]. The form factors are sensitive to the spatial distribution of the ...
Ly[alpha] radiative transfer in cosmological simulations using adaptive mesh refinement

Razoumov, Alexei O.; Laursen, Peter; Sommer-Larsen, Jesper (American Astronomical Society and IOP Publishing, 2009-05-01)

A numerical code for solving various Ly[alpha] radiative transfer (RT) problems is presented. The code is suitable for an arbitrary, three-dimensional distribution of Ly[alpha] emissivity, gas temperature, density, and ...
Lyman break galaxies at z ∼ 5: rest-frame UV spectra. III.

Kajino, Hiroki; Ohta, Kouji; Iwata, Ikuru; Yabe, Kiyoto; Yuma, Suraphong; Akiyama, Masayuki; Tamura, Naoyuki; Aoki, Kentaro; Sawicki, Marcin, 1969- (American Astronomical Society, 2009-10-10)

We present results of optical spectroscopic observations of candidates of Lyman break galaxies (LBGs) at z ∼ 5 in the region, including the GOODS-N and the J0053+1234 regions by using Gemini Multi-Object Spectrograph North ...
A Magellan IMACS spectroscopic search for Ly[alpha]-emitting galaxies at redshift 5.7

Martin, Crystal L.; Sawicki, Marcin, 1969-; Dressler, Alan; McCarthy, Pat (American Astronomical SocietyIOP Publishing, 2008-06-01)

We present results from a blind, spectroscopic survey for z ~ 5.7 Ly[alpha]-emitting galaxies (LAEs) using the Inamori Magellan Areal Camera and Spectrograph. A total of ~200 arcmin[superscript 2] were observed in the ...
MaGICC baryon cycle: the enrichment history of simulated disc galaxies

Brook, C. B.; Stinson, G.; Gibson, Brad K.; Shen, S.; Maccio, A. V.; Obreja, A.; Wadsley, J.; Quinn, T. (Oxford University Press, 2014-10-01)

Using cosmological galaxy formation simulations from the MaGICC (Making Galaxies in a Cosmological Context) project, spanning stellar mass from ∼10⁷ to 3 × 10¹⁰ M_☉, we trace the ...
MAGICC haloes: confronting simulations with observations of the circumgalactic medium at z = 0

Stinson, G. S.; Brook, C.; Prochaska, J. Xavier; Hennawi, Joe; Shen, Sijing; Wadsley, J.; Pontzen, Andrew; Couchman, H. M. P.; Quinn, T.; Maccio, Andrea V.; Gibson, Brad K. (Wiley-Blackwell, 2012-09)

We explore the circumgalactic medium (CGM) of two simulated star-forming galaxies with luminosities L ≈ 0.1 and 1 L^★ generated using the smooth particle hydrodynamic code GASOLINE. These simulations are ...
Magnetic deflection demonstrator

Lonc, William, 1930-; Capitolo, Mario (American Association of Physics TeachersAmerican Institute of Physics, 2000-05)

There is no abstract available for this article.
Magnetic field of a noncircular solenoid

Fillmore, Keith (American Association of Physics TeachersAmerican Institute of Physics, 1985-08)

There is no abstract available for this article.