D. A. Smith

Publication List Details

Period

1958 - 2009

Number

80

Co-Authors

Integrating musicology's heterogeneous data sources for better exploration (2009)

Bretherton, David, Smith, D. A., Schraefel, Mc, Polfreman, Richard, Everist, Mark, Brooks, L. Jeanice, ...

Musicologists have to consult an extraordinarily heterogeneous body of primary and secondary sources during all stages of their research. Many of these sources are now available online, but the...

What burns unstably on the neutron star of 4U 0614+091? (2009)

Kuulkers, E., Levine, A. M., Brandt, S., Smith, D. A., ...

The LMXB 4U 0614+091 is a source of sporadic thermonuclear (type I) X-ray bursts. In serendipitous wide-field X-ray observations by EURECA/WATCH, RXTE/ASM, BeppoSAX/WFC, HETE-2/FREGATE,...

Looking Into the Fireball: ROTSE-III and Swift Observations of Early Gamma-ray Burst Afterglows (2009)

Rykoff, E. S., Aharonian, F., Akerlof, C. W., Ashley, M. C. B., Barthelmy, S. D., Flewelling, H. A., ...

We report on a complete set of early optical afterglows of gamma-ray bursts (GRBs) obtained with the Robotic Optical Transient Search Experiment (ROTSE-III) telescope network from 2005 March through...

Radio detection of LAT PSRs J1741-2054 and J2032+4127: no longer just gamma-ray pulsars (2009)

Camilo, F., Ray, P. S., Ransom, S. M., Burgay, M., Johnson, T. J., Kerr, M., ...

Sixteen pulsars have been discovered so far in blind searches of photons collected with the Large Area Telescope on the Fermi Gamma-ray Space Telescope. We here report the discovery of radio...

Fermi/Large Area Telescope Discovery of Gamma-Ray Emission from a Relativistic Jet in the Narrow-Line Quasar PMN J0948+0022 (2009)

Abdo, A. A., Ackermann, M., Ajello, M., Axelsson, M., Baldini, L., Ballet, J., ...

We report the discovery by the Large Area Telescope (LAT) onboard the Fermi Gamma-Ray Space Telescope of high-energy γ-ray emission from the peculiar quasar PMN J0948+0022 (z = 0.5846). The optical...

Looking Into the Fireball: ROTSE-III and Swift Observations of Early GRB Afterglows (2009)

Rykoff, E. S., Aharonian, F., Akerlof, C. W., Ashley, M. C. B., Barthelmy, S. D., Flewelling, H. A., ...

We report on a complete set of early optical afterglows of gamma-ray bursts (GRBs) obtained with the ROTSE-III telescope network from March 2005 through June 2007. This set is comprised of 12...

Radio detection of LAT PSRs J1741-2054 and J2032+4127: no longer just gamma-ray pulsars (2009)

Camilo, F., Ray, P. S., Ransom, S. M., Burgay, M., Johnson, T. J., Kerr, M., ...

Sixteen pulsars have been discovered so far in blind searches of photons collected with the Large Area Telescope on the Fermi Gamma-ray Space Telescope. We here report the discovery of radio...

Pulsar Timing for the Fermi Gamma-ray Space Telescope (2008)

Smith, D. A., Guillemot, L., Camilo, F., Cognard, I., Dumora, D., Espinoza, C., ...

We describe a comprehensive pulsar monitoring campaign for the Large Area Telescope (LAT) on the {\em Fermi Gamma-ray Space Telescope} (formerly GLAST). The detection and study of pulsars in gamma...

The mass of the white dwarf in the old nova BT Mon (2007)

D. A. Smith, V. S. Dhillon, T. R. Marsh

We present spectrophotometry of the eclipsing old nova BT Mon (Nova Mon 1939). By detecting weak absorption features from the secondary star, we find its radial velocity semi-amplitude to be KR = 205...

A nanoscale three-dimensional Monte Carlo simulation of electron-beam-induced deposition with gas dynamics (2007)

Smith, D. A., Fowlkes, J. D., Rack, P. D.

A computer simulation was developed to simulate electron-beam-induced deposition (EBID). Simulated growth produced high-aspect-ratio, nanoscale pillar structures by simulating a stationary Gaussian...

Low-frequency ionospheric sounding with Narrow Bipolar Event lightning radio emissions: regular variabilities and solar-X-ray responses (2007)

Jacobson, A. R., Holzworth, R., Lay, E., Heavner, M., Smith, D. A.

We present refinements of a method of ionospheric D-region sounding that makes opportunistic use of powerful (109?1011 W) broadband lightning radio emissions in the low-frequency (LF; 30?300 kHz)...

Low-frequency ionospheric sounding with Narrow Bipolar Event lightning radio emissions: regular variabilities and solar-X-ray responses (2007)

Jacobson, A. R., Holzworth, R., Lay, E., Heavner, M., Smith, D. A.

We present refinements of a method of ionospheric D-region sounding that makes opportunistic use of powerful (109?1011 W) broadband lightning radio emissions in the low-frequency (LF; 30?300 kHz)...

A phase I and pharmacokinetic study of lapatinib in combination with infusional 5-fluorouracil, leucovorin and irinotecan (2007)

Midgley, R. S., Kerr, D. J., Flaherty, K. T., Stevenson, J. P., Pratap, S. E., Koch, K. M., ...

Background: This study determined the optimally tolerated regimen (OTR) of oral lapatinib administered in combination with infusional 5-fluorouracil (5-FU), leucovorin and irinotecan (FOLFIRI) and...

Exploring Broadband GRB Behavior During gamma-ray Emission (2006)

Yost, S. A., Swan, H. F., Rykoff, E. S., Aharonian, F., Akerlof, C. W., Alday, A., ...

The robotic ROTSE-III telescope network detected prompt optical emission contemporaneous with the gamma-ray emission of Swift events GRB051109A and GRB051111. Both datasets have continuous coverage...

GRO J1655-40: Early Stages of the 2005 Outburst (2006)

Shaposhnikov, N., Swank, J., Shrader, C. R., Rupen, M., Beckmann, V., Markwardt, C. B., ...

The black-hole X-ray binary transient GRO J1655-40 underwent an outburst beginning in early 2005. We present the results of our multi-wavelength observational campaign to study the early outburst...

Mrk 421, Mrk 501, and 1ES 1426+428 at 100 GeV with the CELESTE Cherenkov Telescope (2006)

Smith, D. A., Brion, E., Britto, R., Bruel, P., Gordo, J. Bussons, Dumora, D., ...

We have measured the gamma-ray fluxes of the blazars Mrk 421 and Mrk 501 in the energy range between 50 and 350 GeV (1.2 to 8.3 x 10^25 Hz). The detector, called CELESTE, used first 40, then 53...

Double-impulse magnetic focusing of launched cold atoms (2006)

Arnold, A.S., Pritchard, M.J., Smith, D.A., Hughes, I.G.

We have theoretically investigated three-dimensional focusing of a launched cloud of cold atoms using a pair of magnetic lens pulses (the alternate-gradient method). Individual lenses focus radially...

Double-impulse magnetic focusing of launched cold atoms (2006)

Arnold, A.S., Pritchard, M.J., Smith, D.A., Hughes, I.G.

We have theoretically investigated three-dimensional focusing of a launched cloud of cold atoms using a pair of magnetic lens pulses (the alternate-gradient method). Individual lenses focus radially...

The Anomalous Early Afterglow of GRB 050801 (2006)

Rykoff, E.S., Aharonian, F., Akerlof, C. W., Mangano, V., Ashley, M. C. B., Güver, T., ...

The ROTSE-IIIc telescope at the HESS site, Namibia, obtained the earliest detection of optical emission from a gamma-ray burst (GRB), beginning only 21.8 s from the onset of Swift GRB 050801. The...

Early-Time Observations of the GRB 050319 Optical Transient (2006)

Rykoff, E.S., Aharonian, F., Akerlof, C. W., Alatalo, K., Ashley, M. C. B., Güver, T., ...

We present the unfiltered ROTSE-III light curve of the optical transient associated with GRB 050319 beginning 4 s after the cessation of gamma-ray activity. We fit a power-law function to the data...

Review of the solar array telescopes (2005)

Smith, D.A.

For several years the only experiments sensitive to astrophysical gamma rays with energies beyond the reach of EGRET but below that the Cherenkov imaging telescopes have been the "solar towar"...

A Search for Untriggered GRB Afterglows with ROTSE-III (2005)

Rykoff, E.S., Aharonian, F., Akerlof, C. W., Alatalo, K., Ashley, M. C. B., Güver, T., ...

We present the results of a search for untriggered gamma-ray burst (GRB) afterglows with the Robotic Optical Transient Search Experiment-III (ROTSE-III) telescope array. This search covers...

Prompt Optical Detection of GRB 050401 with ROTSE-IIIa (2005)

Rykoff, E.S., Aharonian, F., Akerlof, C. W., Alatalo, K., Ashley, M. C. B., Güver, T., ...

The ROTSE-IIIa telescope at Siding Spring Observatory, Australia, detected prompt optical emission from Swift GRB 050401. We present observations of the early optical afterglow, first detected by the...

Optical Light Curve and Cooling Break of GRB 050502A (2005)

Rykoff, E.S., Aharonian, F., Akerlof, C. W., Alatalo, K., Ashley, M. C. B., Güver, T., ...

We present light curves of the afterglow of GRB 050502A, including very early data at t - tGRB < 60 s. The light curve is composed of unfiltered ROTSE-IIIb optical observations from 44 s to 6 hr...

Review of the solar array telescopes (2005)

Smith, D.A.

For several years the only experiments sensitive to astrophysical gamma rays with energies beyond the reach of EGRET but below that the Cherenkov imaging telescopes have been the "solar towar"...

Review of the solar array telescopes (2005)

Smith, D.A.

For several years the only experiments sensitive to astrophysical gamma rays with energies beyond the reach of EGRET but below that the Cherenkov imaging telescopes have been the "solar towar"...

Single-impulse magnetic focusing of launched cold atoms (2004)

Pritchard, M.J., Arnold, A.S., Smith, D.A., Hughes, I.G.

We have theoretically investigated the focusing of a launched cloud of cold atoms. Time-dependent spatially-varying magnetic fields are used to impart impulses leading to a three-dimensional focus of...

Single-impulse magnetic focusing of launched cold atoms (2004)

Pritchard, M.J., Arnold, A.S., Smith, D.A., Hughes, I.G.

We have theoretically investigated the focusing of a launched cloud of cold atoms. Time-dependent spatially-varying magnetic fields are used to impart impulses leading to a three-dimensional focus of...

Microsecond folding dynamics of the F13W G29A mutant of the B domain of staphylococcal protein A by laser-induced temperature jump (2004)

Dimitriadis, G., Drysdale, A., Myers, J.K., Arora, P., Radford, S.E., Oas, T.G., ...

The small size (58 residues) and simple structure of the B domain of staphylococcal protein A (BdpA) have led to this domain being a paradigm for theoretical studies of folding. Experimental studies...

Using the Grid for the BABAR experiment (2004)

Bozzi, C., Adye, T., Andreotti, D., Antonioli, E., Barlow, R., Bense, B., ...

The BaBar experiment has been taking data since 1999. In 2001 the computing group started to evaluate the possibility to evolve toward a distributed computing model in a grid environment. We built a...

Using the Grid for the BABAR experiment (2004)

Bozzi, C., Adye, T., Andreotti, D., Antonioli, E., Barlow, R., Bense, B., ...

The BaBar experiment has been taking data since 1999. In 2001 the computing group started to evaluate the possibility to evolve toward a distributed computing model in a grid environment. We built a...

Using the Grid for the BABAR experiment (2004)

Bozzi, C., Adye, T., Andreotti, D., Antonioli, E., Barlow, R., Bense, B., ...

The BaBar experiment has been taking data since 1999. In 2001 the computing group started to evaluate the possibility to evolve toward a distributed computing model in a grid environment. We built a...

Unfolding dynamics of proteins under applied force (2003)

Smith, D.A., Brockwell, D.J., Zinober, R.C., Blake, A.W., Beddard, G.S., Olmsted, P.D., ...

Understanding the mechanisms of protein folding is a major challenge that is being addressed effectively by collaboration between researchers in the physical and life sciences. Recently, it has...

Central nervous system inflammation is a hallmark of pathogenesis in mouse models of GM1 and GM2 gangliosidosis (2003)

Jeyakumar, M., Thomas, R., Elliot-Smith, E., Smith, D. A., Van Der Spoel, A. C., D’Azzo, A., ...

Mouse models of the GM2 gangliosidoses [Tay‐Sachs, late onset Tay‐Sachs (LOTS), Sandhoff] and GM1 gangliosidosis have been studied to determine whether there is a common...

Binding of Dentin Noncollagenous Matrix Proteins to Biological Mineral Crystals: An Atomic Force Microscopy Study (2002)

Robinson, C., Kirkham, J., Chen, H., Clarkson, B.H., Smith, D.A., Chang, S-X, ...

Noncollagenous matrix proteins (NCPs) of dental hard tissues (dentin, cementum) are involved, both temporally and spatially, in the mineralization of their collagen matrices. Two of the NCPs thought...

The ROTSE-III Robotic Telescope System (2002)

C. W. Akerlof, R. L. Kehoe, T. A. Mckay, E. S. Rykoff, D. A. Smith, D. E. Casperson, ...

ABSTRACT. The observation of a prompt optical flash from GRB 990123 convincingly demonstrated the value of autonomous robotic telescope systems. Pursuing a program of rapid follow-up observations of...

HST/STIS observations of GRB000301C: CCD imaging and NUV MAMA spectroscopy (2000)

Smette, A., Fruchter, A. S., Gull, T. R., Sahu, K. C., Petro, L., Ferguson, H., ...

We present HST/STIS observations of the optical counterpart (OT) of the gamma-ray burster GRB 000301C obtained on 2000 March 6, five days after the burst. CCD clear aperture imaging reveals a R ~...

The X-Ray, Optical, And Infrared Counterpart To GRB 980703 (1999)

P. M. Vreeswijk, T. J. Galama, A. Owens, T. Oosterbroek, T. R. Geballe, J. Van Paradijs, ...

We report on X-ray, optical, and infrared follow-up observations of GRB 980703. We detect a previously unknown X-ray source in the GRB error box ; assuming a power-law decline, we nd for its decay...

Modifications to the Forsythe-Moler Algorithm for Solving Linear Algebraic Systems (1978)

Smith, D. A., Guipre, Pamela S.

Several modifications to the Forsythe-Moler algorithm for the solution of systems of simultaneous, linear equations are considered. The objective is to reduce the solution time for systems which are...

Dislocations et fautes d'empilement par microscopie ionique à champ (1971)

Gallot, J., Smith, D.A.

L'image, donnée par microscopie ionique, d'une surface où émerge une dislocation, dépend principalement de la perturbation de cette surface le long de sa normale. Les configurations de la surface...

THE INCIDENCE OF OSTEOPOROSIS IN NORMAL WOMEN: ITS RELATION TO AGE AND MENOPAUSE (1966)

NORDIN, B. E. C., MACGREGOR, J., SMITH, D. A.

The spine, hands and femur were X-rayed in 152 normal women between 19 and 83 years of age. Metacarpal and femoral cortical thickness and vertebral density all tended to fall with age, particularly...