A5078933117- 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
- Cosmology and Gravitation Theories
- Neutrino Physics Research
- Particle Accelerators and Free-Electron Lasers
- Black Holes and Theoretical Physics
- Computational Physics and Python Applications
- Astrophysics and Cosmic Phenomena
- Nuclear physics research studies
- Superconducting Materials and Applications
- Radiation Detection and Scintillator Technologies
- Atomic and Subatomic Physics Research
- Advanced NMR Techniques and Applications
- Medical Imaging Techniques and Applications
- Research, Science, and Academia
- Distributed and Parallel Computing Systems
- Municipal Solid Waste Management
- Noncommutative and Quantum Gravity Theories
- Particle accelerators and beam dynamics
- Methane Hydrates and Related Phenomena
- Invertebrate Taxonomy and Ecology
- Electron and X-Ray Spectroscopy Techniques
SLAC National Accelerator Laboratory
2009-2022
University of Michigan–Ann Arbor
2011-2020
Ann Arbor Center for Independent Living
2007-2020
The University of Adelaide
2013-2019
The Abdus Salam International Centre for Theoretical Physics (ICTP)
2011-2016
Istituto Nazionale di Fisica Nucleare, Sezione di Trieste
2014-2016
Centro Brasileiro de Pesquisas Físicas
2013-2016
National Technical University of Athens
2016
Jazan University
2015
Istituto Nazionale di Fisica Nucleare, Gruppo Collegato di Udine
2011-2014
This paper presents the charged-particle multiplicity distributions for ${e}^{+}$${e}^{\mathrm{\ensuremath{-}}}$ annihilation at \ensuremath{\surd}s =29 GeV measured in High Resolution Spectrometer. The data, which correspond to an integrated luminosity of 185 ${\mathrm{pb}}^{\mathrm{\ensuremath{-}}1}$, were obtained SLAC storage ring PEP. techniques used correct observed prong numbers are discussed. distribution charged particles has a mean value...
We present here the results of an experiment to study polarization in $p\ensuremath{-}p$ elastic scattering at incident momenta 5.15, 7.00, and 12.33 Ge V/c, $t$ values ranging between - 0.5 6.5 ${(\mathrm{G}\mathrm{e}\mathrm{V}/\mathit{c})}^{2}$. At each momentum we observe a relative maximum around $t=\ensuremath{-}1.8$ GeV/c data exhibit double zero near $t=\ensuremath{-}2.4$ ${(\mathrm{G}\mathrm{e}\mathrm{V}/\mathit{c})}^{2}$ another $t=\ensuremath{-}2.9$ The are discussed terms...
The polarization parameter in elastic proton-proton scattering has been measured at 0.75, 1.03, 1.32, 1.63, 2.24, and 2.84 GeV by employing a double-scattering technique. An external proton beam from the Brookhaven Cosmotron was focused on 3 in.-long liquid-hydrogen target recoil scattered protons were detected coincidence scintillation counters. of determined azimuthal asymmetry exhibited its carbon target. This pair scintillation-counter telescopes which symmetrically viewed analyzing...
Differential cross sections for ${\ensuremath{\pi}}^{+}p$ elastic scattering in the angular region $\ensuremath{-}0.6\ensuremath{\gtrsim}{cos\ensuremath{\theta}}_{\mathrm{c}.\mathrm{m}.}\ensuremath{\gtrsim}\ensuremath{-}0.98$ are presented 13 incident pion momenta from 2.18 to 5.0 BeV/c. The striking features of data a backward peak at all and dip section $u\ensuremath{\approx}\ensuremath{-}0.17$ between 2.75
Differential cross-section measurements for ${\ensuremath{\pi}}^{+}p$ and ${\ensuremath{\pi}}^{\ensuremath{-}}p$ elastic scattering at 3.0, 3.5, 4.0, $5.0 \frac{\mathrm{GeV}}{c}$ are presented center-of-mass angles between 55\ifmmode^\circ\else\textdegree\fi{} 130\ifmmode^\circ\else\textdegree\fi{}. A shoulder near $t=\ensuremath{-}0.9$ a dip $t=\ensuremath{-}3.0 {(\frac{\mathrm{GeV}}{c})}^{2}$ seen in the data throughout this momentum range.
Results are presented from an experiment designed to make the first systematic study of depolarization parameter in elastic proton-proton scattering at high energies. Measurements were made 3.0 and 6.0 GeV/c $|t|$ values extending 1.7 ${(\mathrm{G}\mathrm{e}\mathrm{V}/\mathit{c})}^{2}$ higher momentum. A high-intensity unpolarized proton beam was incident on a polarized target polarization elastically scattered recoil protons determined with carbon analyzer. The results discussed framework...
Received 7 February 1966DOI:https://doi.org/10.1103/PhysRevLett.16.536©1966 American Physical Society
The polarization of the recoil proton has been measured in both high-energy elastic and inclusive proton-proton scattering at internal-target area Fermi National Accelerator Laboratory. was a number center-of-mass energies up to $\sqrt{s}=19.7$ GeV. Indications negative were seen higher for $t$ values -0.6, -0.8, -1.0 ${(\mathrm{G}\mathrm{e}\mathrm{V}/\mathit{c})}^{2}$. In process $p+p\ensuremath{\rightarrow}{p}_{\ensuremath{\uparrow}}+X$ found be independent beam energy from 100 400 GeV...
New results are presented from the continuation of an experiment designed to study polarization in elastic $p\ensuremath{-}p$ scattering at large four-momentum transfers. A high-intensity unpolarized proton beam momentum 12.3 GeV/c was incident on a propanediol polarized target and both final-state protons were detected momentum-analyzed multiwire proportional chamber spectrometers. The measurements spanned $t$ range $1.5<|t|<6.2$ ${(\mathrm{G}\mathrm{e}\mathrm{V}/\mathit{c})}^{2}$....
Results are presented from an experiment conducted at Fermilab to measure the polarization parameter in $p\ensuremath{-}p$ elastic scattering momenta between 20 and 200 GeV/c $|t|$ values 0.3 1.0 GeV/${\mathit{c})}^{2}$. Recoil protons interaction of circulating beam a hydrogen gas jet were spin analyzed carbon polarimeter significant polarizations observed. The results compared with predictions exchange models.
This paper presents differential cross sections for backward ${\ensuremath{\pi}}^{\ensuremath{-}}p$ elastic scattering in the angular region $\ensuremath{-}0.55\ensuremath{\ge}{cos\ensuremath{\theta}}_{\mathrm{c}.\mathrm{m}.}\ensuremath{\ge}\ensuremath{-}0.98$ five incident momenta: 2.38, 2.50, 2.65, 2.80, and 3.00 GeV/c. The structure of distribution undergoes a marked change over this momentum interval. A pronounced dip near 180\ifmmode^\circ\else\textdegree\fi{}, which is seen momenta...
We describe a system to measure the Quantum Efficiency in wavelength range of 300 nm 1100 40 × mm n-channel CCD sensors for construction 3.2 gigapixel LSST focal plane. The technique uses series instrument create very uniform flux photons controllable intensity interest across face sensor. This allows absolute be measured with an accuracy 1% range. will part production facility at Brookhaven National Lab basic component camera.
The Integration and Verification Testing of the Large Synoptic Survey Telescope (LSST) Camera is described. LSST will be largest astronomical camera ever constructed, featuring a 3.2 giga-pixel focal plane mosaic 189 CCDs with in-vacuum controllers readout, dedicated guider wavefront CCDs, three element corrector 1.6-meter diameter initial optic, six optical filters covering wavelengths from 320 to 1000 nm novel filter exchange mechanism, camera-control data acquisition capable digitizing...
We present herein the initial results of a large-angle elastic $p\ensuremath{-}p$ polarization experiment which is now in progress at Argonne ZGS (Zero-Gradient Synchrotron) accelerator. Data for incident proton momentum 5.15 $\frac{\mathrm{GeV}}{c}$ are presented ${30}^{\ensuremath{\circ}}\ensuremath{\lesssim}{\ensuremath{\theta}}_{\mathrm{c}.\mathrm{m}.}\ensuremath{\lesssim}{90}^{\ensuremath{\circ}}$. These results, extend to...