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- Publications
- Influence
The Extragalactic Distance Scale Key Project XVIII. The Discovery of Cepheids and a New Distance to NGC 4535 Using the Hubble Space Telescope
We report on the discovery of Cepheids in the Virgo spiral galaxy NGC 4535, based on observations made with the Wide Field and Planetary Camera 2 on board the Hubble Space Telescope (HST). NGC 4535… Expand
US Cosmic Visions: New Ideas in Dark Matter 2017: Community Report
- M. Battaglieri, A. Belloni, +248 authors Yi-ming Zhong
- Physics
- 14 July 2017
This white paper summarizes the workshop "U.S. Cosmic Visions: New Ideas in Dark Matter" held at University of Maryland on March 23-25, 2017.
The HST Key Project on the Extragalactic Distance Scale XIV. The Cepheids in NGC 1365
- N. Silbermann, P. Harding, +22 authors A. Turner
- Physics
- 1 June 1998
We report the detection of Cepheid variable stars in the barred spiral galaxy NGC 1365, located in the Fornax cluster, using the Hubble Space Telescope Wide Field and Planetary Camera 2. Twelve V… Expand
Topological Physics of Little Higgs Bosons
- C. T. Hill, R. Hill
- Physics
- 7 January 2007
Topological interactions will generally occur in composite Higgs or Little Higgs theories, extra-dimensional gauge theories in which A5 plays the role of a Higgs boson, and among the pNGB's of… Expand
Unobtrusive Measures: Non-Reactive Research in the Social Sciences.
- R. Hill, E. Webb, D. Campbell, Richard D. Swartz, L. Sechrest
- Psychology
- 1 August 1966
Delinquency Research: An Appraisal of Analytic Methods.
- R. Hill, Travis Hirschi, H. Selvin
- Psychology
- 1 June 1968
Model independent determination of the axial mass parameter in quasielastic neutrino-nucleon scattering
- Bhubanjyoti Bhattacharya, R. Hill, G. Paz
- Physics
- 1 August 2011
Quasielastic neutrino-nucleon scattering is a basic signal process for neutrino oscillation studies. At accelerator energies, the corresponding cross section is subject to significant uncertainty due… Expand
Extraction of the proton radius from electron-proton scattering data
- G. Lee, J. Arrington, R. Hill
- Physics
- 6 May 2015
We perform a new analysis of electron-proton scattering data to determine the proton electric and magnetic radii, enforcing model-independent constraints from form factor analyticity. A wideranging… Expand
Anomaly mediated neutrino-photon interactions at finite baryon density.
- J. Harvey, C. T. Hill, R. Hill
- Physics, Medicine
- Physical review letters
- 9 August 2007
We propose new physical processes based on the axial vector anomaly and described by the Wess-Zumino-Witten term that couples the photon, Z-boson, and the omega-meson. The interaction takes the form… Expand
Standard Model anatomy of WIMP dark matter direct detection II: QCD analysis and hadronic matrix elements
- R. Hill, M. P. Solon
- Physics
- 29 September 2014
Models of weakly interacting massive particles (WIMPs) specified at the electroweak scale are systematically matched to effective theories at hadronic scales where WIMP-nucleus scattering observables… Expand
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