P. D. Grannis
- Particle physics theoretical and experimental studies
- High-Energy Particle Collisions Research
- Quantum Chromodynamics and Particle Interactions
- Particle Detector Development and Performance
- Dark Matter and Cosmic Phenomena
- Particle Accelerators and Free-Electron Lasers
- Cosmology and Gravitation Theories
- Neutrino Physics Research
- Computational Physics and Python Applications
- Black Holes and Theoretical Physics
- Astrophysics and Cosmic Phenomena
- International Science and Diplomacy
- Nuclear physics research studies
- Distributed and Parallel Computing Systems
- Particle accelerators and beam dynamics
- Superconducting Materials and Applications
- Radiation Detection and Scintillator Technologies
- Atomic and Subatomic Physics Research
- Nuclear Physics and Applications
- Scientific Computing and Data Management
- Advanced NMR Techniques and Applications
- Medical Imaging Techniques and Applications
- X-ray Spectroscopy and Fluorescence Analysis
- Solar and Space Plasma Dynamics
- Algorithms and Data Compression
State University of New York
2014-2024
SUNY College of Environmental Science and Forestry
2023
Stony Brook University
2012-2021
Campbell Collaboration
1995-2019
Fermi National Accelerator Laboratory
1998-2018
Institut National de Physique Nucléaire et de Physique des Particules
1999-2016
Universidad San Francisco de Quito
1999-2016
University of Science and Technology of China
2009-2016
Charles University
2000-2016
Czech Academy of Sciences, Institute of Physics
2000-2016
Particle physics has evolved a coherent model that characterizes forces and particles at the most elementary level. This standard model, built from many theoretical experimental studies, is in excellent accord with almost all current data. However, there are hints it but an approximation to yet more fundamental theory. The authors trace development of indicate reasons for believing incomplete.
The polarization parameter in proton-proton scattering has been measured at incident proton kinetic energies of 1.7, 2.85, 3.5, 4.0, 5.05, and 6.15 BeV for four-momentum transfer squared between 0.1 1.0 ${(\mathrm{B}\mathrm{e}\mathrm{V}/\mathit{c})}^{2}$. experiment was done with an unpolarized beam from the Bevatron striking a polarized target. Both final-state protons were detected coincidence asymmetry counting rate target parallel antiparallel to normal measured. maximum observed...
This Resource Book reviews the physics opportunities of a next-generation e+e- linear collider and discusses options for experimental program. Part 1 contains table contents introduction gives summary case 500 GeV collider.
The polarization parameter in elastic proton-proton scattering has been measured using an unpolarized proton beam and a polarized target. Measurements were taken at laboratory kinetic energies of 328, 614, 679, 736 MeV the angular regions from 33 to 110 degress center-of-mass. results indicate that maximum given energy increases region 328 679 MeV. At are good agreement with those previous experiment 315 performed by double-scattering technique.
Using a polarized proton target, we have measured the polarization parameter P({theta}) in pion-proton scattering for both positive and negative pions. Because there seems to be great deal of current interest analysis wish present these experimental results at this time even though not yet completed their analysis. The measurement consisted pions from target protons observing asymmetry scattered intensity, I({theta}), as spin directions were reversed. intensity P{sub T} is I({theta}){sub...
We find significant direct ${e}^{+}$ production in hadron collisions at 10, 15, and 24 GeV/c ${e}^{\ensuremath{-}}$ GeV/c, ${\ensuremath{\theta}}_{\mathrm{c}.\mathrm{m}.}=90\ifmmode^\circ\else\textdegree\fi{}$ $0.5<~{P}_{T}<~1.5$ GeV/c. The $\frac{e}{\ensuremath{\pi}}$ ratio rises low ${P}^{T}$, all cases exceeds the level predicted from known sources for ${P}_{T}\ensuremath{\lesssim}1$
The International Linear Collider (ILC) is now under consideration as the next global project in particle physics. In this report, we review of all aspects ILC program: physics motivation, accelerator design, run plan, proposed detectors, experimental measurements on Higgs boson, top quark, couplings W and Z bosons, searches for new particles. We important role that polarized beams play program. first stage planned to be a factory at 250 GeV centre mass. Energy upgrades can naturally...
Measurements of the differential cross section for reactions ${\ensuremath{\pi}}^{+}p\ensuremath{\rightarrow}{K}^{+}{\ensuremath{\Sigma}}^{+}$ and ${\ensuremath{\pi}}^{+}p\ensuremath{\rightarrow}{K}^{+}{Y}^{*+}(1385)$ are reported at 3.5, 3.75, 4.0, 4.25, 4.5, 4.75, 5.0, 6.0, 10.0, 14.0 GeV/c. Polarization in is also At small $|t|$, well described by an exponential $A{e}^{\mathrm{bt}}$ with slopes range $b\ensuremath{\approx}8\ensuremath{-}10$...
On the twentieth anniversary of observation top quark, we trace our understanding this heaviest all known particles from prediction its existence, through searches and discovery, to current knowledge production mechanisms properties. We also discuss central role quark in Standard Model windows that it opens for seeking new physics beyond Model.
The electrostatic processes which have been suggested by Gold as being responsible for erosion of the lunar features are evaluated. statistics charge build-up on grains dust due to solar gas streams considered. On basis derived probability distribution grain charge, hopping effect is shown result in an rate lower a factor at least 102 than that indicated observations moon. It found that, owing supporting action electronic space positively charged may be levitated above surface. mass...