A Spitzer Unbiased Ultradeep Spectroscopic Survey (2009)
Bertincourt, B., Helou, G., Appleton, P., Ogle, P., Lagache, G., Brooke, T., ...
We carried out an unbiased, spectroscopic survey using the low-resolution module of the infrared spectrograph (IRS) onboard Spitzer targeting two 2.6 square arcminute regions in the GOODS-North...
A Spitzer Unbiased Ultradeep Spectroscopic Survey (2009)
Bertincourt, B., Helou, G., Appleton, P., Ogle, P., Lagache, G., Brooke, T., ...
We carried out an unbiased, spectroscopic survey using the low-resolution module of the infrared spectrograph (IRS) on board Spitzer targeting two 2.6 square arcminute regions in the GOODS-North...
Star-Forming or Starbursting? The Ultraviolet Conundrum (2009)
Boquien, M., Calzetti, D., Kennicutt, R., Dale, D., Engelbracht, C., Gordon, K. D., ...
Compared to starburst galaxies, normal star forming galaxies have been shown to display a much larger dispersion of the dust attenuation at fixed reddening through studies of the IRX-beta diagram...
Imaging the cool gas, dust, star formation, and AGN in the first galaxies (2009)
Carilli, C. L., Myers, S., Appleton, P., Bertoldi, F., Blain, A., Dale, D., ...
When, and how, did the first galaxies and supermassive black holes (SMBH) form, and how did they reionization the Universe? First galaxy formation and cosmic reionization are among the last frontiers...
CUSTOM ELECTRONIC MODULES FOR THE TRIUMF/ISAC ABSTRACT CONTROL SYSTEM (2008)
D. Dale, D. Bishop, T. Howl, H. Hui, R. Keitel, K. Langton, ...
The TRIUMF/ISAC Control system utilizes EPICS based on VME hardware with CANbus as the fieldbus. The Electronics Development group at TRIUMF/ISAC has previously developed VME modules [1] for the ISAC...
Nuclear Targets for a Precision Measurement of the Neutral Pion Radiative Width (2008)
Martel, P., Clinton, E., McWilliams, R., Lawrence, D., Miskimen, R., Ahmidouch, A., ...
A technique is presented for precision measurements of the area densities, density * T, of approximately 5% radiation length carbon and 208Pb targets used in an experiment at Jefferson Laboratory to...
Virtual Compton Scattering measurements in the $\gamma^* N\to \Delta$ transition (2008)
Sparveris, N. F., Achenbach, P., Gayoso, C. Ayerbe, Baumann, D., Bernauer, J., Bernstein, A. M., ...
We report on new H$(e,e^\prime p)\gamma$ measurements in the $\Delta(1232)$ resonance at $Q^2=0.06$ (GeV/c) carried out simultaneously with H$(e,e^\prime p)\pi^0$. It is the lowest $Q^2$ for which...
Brunner, G., Sheth, K., Armus, L., Wolfire, M., Vogel, S., Schinnerer, E., ...
We have mapped the warm molecular gas traced by the H_2 S(0) - H_2 S(5) pure rotational mid-infrared emission lines over a radial strip across the nucleus and disk of M51 (NGC 5194) using the...
Far-Infrared Spectroscopy Of Normal Galaxies With Iso-Lws (2007)
S. Malhotra, Malhotra Helou, D. Hollenbach, M. Kaufman, S. Lord, J. Brauher, ...
The deficiency of [CII] (158 ¯m) line emission in many normal and ultraluminous galaxies is one of the major surprises from ISO-LWS observations. We show that this is not an isolated phenomenon:...
Probing the Interstellar Medium in Early type galaxies with the ISO observations (2007)
Malhotra Hollenbach, S. Malhotra, D. Hollenbach, G. Helou, N. Silbermann, E. Valjavec, ...
Four IRAS-detected early type galaxies were observed with the Infrared Space Observatory. The mid-IR images of NGC 1052, NGC 1155, and NGC 6958 at 7 and 15 ¯m show extended emission which follows a...
OBSERVATIONS OF THE INTERSTELLAR MEDIUM IN ELLIPTICAL GALAXIES S. Malhotra (2007)
Hollenbach Helou, S. Malhotra, D. Hollenbach, G. Helou, E. Valjavec, D. Hunter, ...
Three IRAS-detected elliptical galaxies were observed with ISO-LWS and PHT, and two of them were observed with CAM. The midIR images of NGC 1155 and NGC 6958 at 7 and 15 ¯m show extended emission...
Abstract The Control System for a 2 MeV Tandem Accelerator used for Contraband Detection (2007)
D. Dale, D. Bishop, H. Hui, B. Milton, B. Roberts
The Contraband Detection System (CDS) is a system designed for detection of explosives and other contraband utilizing Gamma Resonance Absorption (GRA). In the CDS 9.17 MeV gammas are produced by 1.75...
Abstract Distributed Power Supply Control Using CAN-Bus (2007)
D. Bishop, D. Dale, H. Hui, J. Lam, R. Keitel
A small, low cost power supply controller module was developed for distributed control of DC power supplies on a CAN-bus network. The controller is based on an INTEL 80C251SB microprocessor and the...
Gaps in the Cloud Cover? Comparing Extinction Measures in Spiral Disks (2007)
Holwerda, B. W., Meyer, M., Regan, M., Calzetti, D., Gordon, K. D., Smith, J. D., ...
Dust in galaxies can be mapped either by the FIR/submillimeter emission, the optical or infrared reddening of starlight, or the extinction of a known background source. We compare two dust extinction...
Gaps in the cloud cover? Comparing extinction measures in spiral disks (2007)
Holwerda, B. W., Meyer, M., Regan, M., Calzetti, D., Gordon, K. D., Smith, J. D., ...
Dust in galaxies can be mapped by either the FIR/sub-mm emission, the optical or infrared reddening of starlight, or the extinction of a known background source. We compare two dust extinction...
Armstrong, D.S., Arvieux, J., Asaturyan, R., Averett, T., Bailey, S.L., Batigne, G., ...
We have measured parity-violating asymmetries in elastic electron-proton scattering over the range of momentum transfers 0.12 $\leq$ Q$^2$ \leq$ 1.0 GeV$^2$. These asymmetries, arising from...
Transverse beam spin asymmetries in forward-angle elastic electron-proton scattering (2007)
Armstrong, D.S., Arvieux, J., Asaturyan, R., Averett, T., Bailey, S.L., Batigne, G., ...
We have measured the beam-normal single-spin asymmetry in elastic scattering of transversely-polarized 3 GeV electrons from unpolarized protons at Q^2 values of 0.15 and 0.25 (GeV/c)^2 with results...
Parity-violating electroweak asymmetry in polarized-e p scattering (2007)
Aniol, K.A., Armstrong, D.S., Averett, T., Baylac, M., Burtin, E., Calarco, J., ...
Dust and Atomic Gas in Dwarf Irregular Galaxies of the M81 Group: The SINGS and THINGS view (2007)
Walter, F., Cannon, J., Roussel, H., Bendo, G., Calzetti, D., Dale, D., ...
[abridged] We present observations of the dust and atomic gas phase in seven dwarf irregular galaxies of the M81 group from the SINGS and THINGS surveys. The Spitzer observations provide a first...
Star formation in NGC 5194 (M51a) II: the spatially-resolved star formation law. (2007)
Kennicutt, R.C., Calzetti, D., Walter, F., Helou, G., Hollenbach, D., Armus, L., ...
Original article can be found at: http://www.iop.org/EJ/journal/apj Copyright American Astronomical Society. DOI: 10.1086/522300 [Full text of this article is not available in the UHRA]
Dust and atomic gas in dwarf irregular galaxies of the M81 group: the SINGS and THINGS view. (2007)
Walter, F., Cannon, J., Roussel, H., Bendo, G., Calzetti, D., Dale, D., ...
Original article can be found at: http://www.iop.org/EJ/journal/apj Copyright American Astronomical Society. DOI: 10.1086/514807 [Full text of this article is not available in the UHRA]
The nuclear matter effects in pi0 photoproduction at high energies (2006)
Rodrigues,T. E., Mesa,J., Garcia,C., Shtejer,K., Dale,D., ...
The in-medium influence on pi0 photoproduction from spin zero nuclei is carefully studied in the GeV range using a straightforward Monte Carlo analysis. The calculation takes into account the...
Sparveris, N. F., Achenbach, P., Gayoso, C. Ayerbe, Baumann, D., Bernauer, J., Bernstein, A. M., ...
We report new precise p$(\vec{e},e^\prime p)\pi^0$ measurements at the peak of the $\Delta^{+}(1232)$ resonance at $Q^2=\unit[0.20](GeV/c)^2$ performed at the Mainz Microtron (MAMI). The new data are...
De Vita, R., Battaglieri, M., Kubarovsky, V., A. Baltzell, N., Bellis, M., Goett, J., ...
The exclusive reactions $\gamma p \to \bar K^0 K^+ n$ and $\gamma p \to \bar K^0 K^0 p$ have been studied in the photon energy range 1.6--3.8 GeV, searching for evidence of the exotic baryon...
Search for $\Theta^{++}$ Pentaquarks in the Exclusive Reaction $\gamma p\to K^+K^-p$ (2006)
Kubarovsky, V., Battaglieri, M., De Vita, R., Goett, J., Guo, L., S. Mutchler, G., ...
The reaction $\gamma p \to pK^+K^-$ was studied at Jefferson Lab with photon energies from 1.8 to 3.8 GeV using a tagged photon beam. The goal was to search for a $\Theta^{++}$ pentaquark, a narrow...
Energy Calibration of the JLab Bremsstrahlung Tagging System (2006)
Stepanyan, S., Boyarinov, S., Egiyan, H., Guo, L., Dale, D., Gabrielyan, M., ...
In this report, we present the energy calibration of the Hall B bremsstrahlung tagging system at the Thomas Jefferson National Accelerator Facility. The calibration was performed using a magnetic...
Lowest Q^2 Measurement of the gamma*p -> Delta Reaction: Probing the Pionic Contribution (2006)
Stave, S., Distler, M. O., Nakagawa, I., Sparveris, N., Achenbach, P., Gayoso, C. Ayerbe, ...
To determine nonspherical angular momentum amplitudes in hadrons at long ranges (low Q^2), data were taken for the p(\vec{e},e'p)\pi^0 reaction in the Delta region at Q^2=0.060 (GeV/c)^2 utilizing...
De Vita, R., Battaglieri, M., Kubarovsky, V., A. Baltzell, N., Bellis, M., Goett, J., ...
The exclusive reactions $\gamma p \to \bar K^0 K^+ n$ and $\gamma p \to \bar K^0 K^0 p$ have been studied in the photon energy range 1.6--3.8 GeV, searching for evidence of the exotic baryon...
Search for $\Theta^{++}$ Pentaquarks in the Exclusive Reaction $\gamma p\to K^+K^-p$ (2006)
Kubarovsky, V., Battaglieri, M., De Vita, R., Goett, J., Guo, L., S. Mutchler, G., ...
The reaction $\gamma p \to pK^+K^-$ was studied at Jefferson Lab with photon energies from 1.8 to 3.8 GeV using a tagged photon beam. The goal was to search for a $\Theta^{++}$ pentaquark, a narrow...
Arvieux, J, Asaturyan, R, Averett, T, Bailey, S L, Batigne, G, ...
We have measured parity-violating asymmetries in elastic electron-proton scattering over the range of momentum transfers 0.12 < or =Q2 < or =1.0 GeV2. These asymmetries, arising from interference of...
Armstrong, D.S., Arvieux, J., Asaturyan, R., Averett, T., Bailey, S.L., Batigne, G., ...
We have measured parity-violating asymmetries in elastic electron-proton scattering over the range of momentum transfers 0.12 $\leq$ Q$^2$ \leq$ 1.0 GeV$^2$. These asymmetries, arising from...
Armstrong, D.S., Arvieux, J., Asaturyan, R., Averett, T., Bailey, S.L., Batigne, G., ...
We have measured parity-violating asymmetries in elastic electron-proton scattering over the range of momentum transfers 0.12 $\leq$ Q$^2$ \leq$ 1.0 GeV$^2$. These asymmetries, arising from...
Lack, N., Green, B., Dale, D., Calandra, G., Lee, H., MacFarland, R., ...
Background: AMD3100 is a small-molecule CXCR4 antagonist that has been shown to induce the mobilization of CD34+ hematopoietic progenitor cells from bone marrow to peripheral blood. AMD3100 has also...
Lack, N., Green, B., Dale, D., Calandra, G., Lee, H., MacFarland, R., ...
Background: AMD3100 is a small-molecule CXCR4 antagonist that has been shown to induce the mobilization of CD34+ hematopoietic progenitor cells from bone marrow to peripheral blood. AMD3100 has also...
Towards an Understanding of the Mid-Infrared Surface Brightness of Normal Galaxies (2004)
Dale, D., Helou, G., Silbermann, N., Contursi, A., Malhotra, S., Rubin, R.
We report a mid-infrared color and surface brightness analysis of IC 10, NGC 1313, and NGC 6946, three of the nearby galaxies studied under the Infrared Space Observatory Key Project on Normal...
Investigates the rich cluster Abell 2029 (z~0.08) using optical imaging and long-slit spectral observations of 52 disk galaxies distributed throughout the cluster field.
The [CII] and [OI] Emission Lines in NGC1313 and NGC6946 (2004)
Contursi, A., Helou, G., Brauher, J., Dale, D., Dinerstein, H., Hollenbach, D., ...
The Infrared Spectral Energy Distribution of Normal Galaxies (2004)
Dale, D., Helou, G., Contursi, A., Silbermann, N., Kolhatker, S.
ISOCAM Observations of Normal Star-Forming Galaxies: The Key Project Sample (2004)
Dale, D., Silbermann, N., Helou, G., Valjavec, E., Malhotra, S., Beichman, C., ...
We present mid-infrared maps and preliminary analysis for 61 galaxies observed with the Infrared Space Observatory.
Malhotra, S., Hollenbach, D., Helou, D., Silbermann, N., Valjavec, E., Rubin, R., ...
Four IRAS-detected early-type galaxies were observed with the Infrared Space Observatory (ISO). With the exception of the 15 mu m image of NGC 1052, the mid-IR images of NGC 1052, NGC 1155, NGC 5866,...
Measurement of Rlt and Atl in the 4He(e,e'p)3H Reaction at pmiss of 130-300 MeV/c (2004)
Aniol, K. A., Epstein, M. B., Gama, E., Margaziotis, D. J., Bertozzi, W., Chen, J. P., ...
We have measured the 4He(e,e'p)3H reaction at missing momenta of 130-300 MeV/c using the three-spectrometer facility at the Mainz microtron MAMI. Data were taken in perpendicular kinematics to allow...
Parity-violating electroweak asymmetry in polarized-e p scattering (2004)
Aniol, K.A., Armstrong, D.S., Averett, T., Baylac, M., Burtin, E., Calarco, J., ...
Parity-violating electroweak asymmetry in polarized-e p scattering (2004)
Aniol, K.A., Armstrong, D.S., Averett, T., Baylac, M., Burtin, E., Calarco, J., ...
Laser Stabilization Controls for the ISAC Beam Polarizer (2001)
Nussbaumer, R., Dale, D., Hui, H., Richards, J., Levy, P.
The ISAC polarized beam facility uses a Ti:Sapphire laser for producing spin-polarized beams of short-lived radioactive isotopes, initially 7Li. The laser power and spectral content must be tightly...
Status Update on the ISAC Control System (2001)
Keitel, R., Bishop, D., Dale, D., Hui, H., Kadantsev, S., Leross, M., ...
Implementation and commissioning of the EPICS based control system for the ISAC radioactive beam facility was completed. The target ion source, mass separator, and low-energy beam-lines started beam...
Far Infrared Spectroscopy of Normal Galaxies: Physical Conditions in the Interstellar Medium (2001)
Malhotra, S., Kaufman, M. J., Hollenbach, D., Helou, G., Rubin, R. H., Brauher, J., ...
The most important cooling lines of the neutral interstellar medium (ISM) lie in the far-infrared (FIR). We present measurements by the Infrared Space Observatory Long Wavelength Spectrometer of...
Xiong, F., Dutta, D., Xu, W., Anderson, B., Auberbach, L., Averett, T., ...
Xiong, F., Dutta, D., Xu, W., Anderson, B., Auberbach, L., Averett, T., ...
The longitudinal and transverse response of the 4He(e,e'p) reaction in the dip region (2001)
Kozlov, A., Aniol, K.A., Bartsch, P., Baumann, D., Bertozzi, W., Bohm, R., ...
No abstract available.
The Interstellar Medium of Star-forming Irregular Galaxies: The View with ISO (2000)
Hunter, D., Kaufman, M., Hollenbach, D., Rubin, R., Malhotra, S., Dale, D., ...
We present mid-infrared imaging and far-infrared (FIR) spectroscopy of 5 IBm galaxies observed by ISO as part of our larger study of the inter- stellar medium of galaxies. Most of the irregulars in...
Probing the Interstellar Medium in Early type galaxies with ISO observations (2000)
Malhotra, S., Hollenbach, D., Helou, G., Silbermann, N., Valjavec, E., Rubin, R. H., ...
Four IRAS-detected early type galaxies were observed with ISO. With the exception of the 15 micron image of NGC1052, the mid-IR emission from NGC1052, NGC1155, NGC5866 and NGC6958 at 4.5, 7 and 15...
Xu, W., Dutta, D., Xiong, F., Anderson, B., Auberbach, L., Averett, T., ...
We have measured the transverse asymmetry from inclusive scattering of longitudinally polarized electrons from polarized 3He nuclei at quasi-elastic kinematics in Hall A at Jefferson Lab with high...
Xu, W., Dutta, D., Xiong, F., Anderson, B., Auberbach, L., Averett, T., ...
We have measured the transverse asymmetry from inclusive scattering of longitudinally polarized electrons from polarized 3He nuclei at quasi-elastic kinematics in Hall A at Jefferson Lab with high...
Xu, W., Dutta, D., Xiong, F., Anderson, B., Auberbach, L., Averett, T., ...
We have measured the transverse asymmetry from inclusive scattering of longitudinally polarized electrons from polarized 3He nuclei at quasi-elastic kinematics in Hall A at Jefferson Lab with high...
Xu, W., Dutta, D., Xiong, F., Anderson, B., Auberbach, L., Averett, T., ...
We have measured the transverse asymmetry from inclusive scattering of longitudinally polarized electrons from polarized 3He nuclei at quasi-elastic kinematics in Hall A at Jefferson Lab with high...
Xu, W., Dutta, D., Xiong, F., Anderson, B., Auberbach, L., Averett, T., ...
We have measured the transverse asymmetry from inclusive scattering of longitudinally polarized electrons from polarized 3He nuclei at quasi-elastic kinematics in Hall A at Jefferson Lab with high...
Florizone, R. E. J., Bertozzi, W., Chen, J. P., Dale, D., Gilad, S., Sarty, A. J., ...
Precision studies of the reaction $^{3}$He(e,e$^\prime$p) using the three-spectrometer facility at the Mainz microtron MAMI are presented. All data are for quasielastic kinematics at $|\vec{q} |...
Measurement of the neutral weak form-factors of the proton (1999)
Aniol, K.A., Armstrong, D.S., Baylac, M., Burtin, E., Calarco, J., Cates, G.D., ...
We have measured the parity-violating electroweak asymmetry in the elastic scattering of polarized electrons from the proton. The kinematic point (theta_lab = 12.3 degrees and Q^2=0.48 (GeV/c)^2) is...
Measurement of the neutral weak form-factors of the proton (1999)
Aniol, K.A., Armstrong, D.S., Baylac, M., Burtin, E., Calarco, J., Cates, G.D., ...
We have measured the parity-violating electroweak asymmetry in the elastic scattering of polarized electrons from the proton. The kinematic point (theta_lab = 12.3 degrees and Q^2=0.48 (GeV/c)^2) is...
Measurement of the neutral weak form-factors of the proton (1999)
Aniol, K.A., Armstrong, D.S., Baylac, M., Burtin, E., Calarco, J., Cates, G.D., ...
We have measured the parity-violating electroweak asymmetry in the elastic scattering of polarized electrons from the proton. The kinematic point (theta_lab = 12.3 degrees and Q^2=0.48 (GeV/c)^2) is...
Measurement of the neutral weak form-factors of the proton (1999)
Aniol, K.A., Armstrong, D.S., Baylac, M., Burtin, E., Calarco, J., Cates, G.D., ...
We have measured the parity-violating electroweak asymmetry in the elastic scattering of polarized electrons from the proton. The kinematic point (theta_lab = 12.3 degrees and Q^2=0.48 (GeV/c)^2) is...
Measurement of the neutral weak form-factors of the proton (1999)
Aniol, K.A., Armstrong, D.S., Baylac, M., Burtin, E., Calarco, J., Cates, G.D., ...
We have measured the parity-violating electroweak asymmetry in the elastic scattering of polarized electrons from the proton. The kinematic point (theta_lab = 12.3 degrees and Q^2=0.48 (GeV/c)^2) is...
THE ASTROPHYSICAL JOURNAL, 543 : 634643, 2000 November 10 (1999)
The American Astronomical, S. Malhotra, D. Hollenbach, G. Helou, N. Silbermann, E. Valjavec, ...
Four IRAS-detected early-type galaxies were observed with the Infrared Space Observatory (ISO).
Large Scale 'Turnover' in the Oceans, (1998)
Larson,S., Dale,D., Laevastu,T.
Evidence of turbulence and large-scale vertical motion is presented together with a condensed review of vertical mixing processes and stability in the sea. Physical models of large-scale vertical...
A Comparison of Polarization Observables in Electron Scattering from the Proton and Deuteron (1997)
Milbrath, B. D., McIntyre, J. I., Armstrong, C. S., Barkhuff, D. H., Bertozzi, W., Dale, D., ...
Recoil proton polarization observables were measured for both the p($\vec {\rm e}$,e$^\prime\vec{\rm p}\,$) and d($\vec {\rm e}$,e$^\prime\vec{\rm p}\,)$n reactions at two values of Q$^2$ using a...
Measurement of the Induced Proton Polarization P_n in the 12C(e,e'\vec{p}) Reaction (1997)
Woo, R. J., Barkhuff, D. H., Bertozzi, W., Dale, D., Dodson, G., Dow, K. A., ...
The first measurements of the induced proton polarization, P_n, for the 12C (e,e'\vec{p}) reaction are reported. The experiment was performed at quasifree kinematics for energy and momentum transfer...
Holtrop, M., Jordan, D., McIlvain, T., Alarcon, R., Beck, R., Bertozzi, W., ...
The coincidence cross-section and the interference structure function, R_LT, were measured for the 12C(e,e'p) 11B reaction at quasielastic kinematics and central momentum transfer of q=400 MeV/c. The...
Calibration of a Proton Polarimeter (1993)
Baghaei, H., Barkhuff, D.H., Lourie, R.W., Milbrath, B.D., Van Verst, S.P., Chen, J.P., ...
This research was sponsored by the National Science Foundation Grant NSF PHY-9314783
Calibration of a Proton Polarimeter (1993)
Baghaei, H., Barkhuff, D.H., Lourie, R.W., Milbrath, B.D., Van Verst, S.P., Chen, J.P., ...
This research was sponsored by the National Science Foundation Grant NSF PHY-9314783
The longitudinal and transverse response of the 4He(e,e'p) reaction in the dip region
Kozlov, A., Aniol, K.A., Bartsch, P., Baumann, D., Bertozzi, W., Bohm, R., ...
No abstract available.
The longitudinal and transverse response of the 4He(e,e'p) reaction in the dip region
Kozlov, A., Aniol, K.A., Bartsch, P., Baumann, D., Bertozzi, W., Bohm, R., ...
No abstract available.