Search Results - "Egiyan, H"
-
1
A measurement of the energy and timing resolution of the GlueX Forward Calorimeter using an electron beam
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-10-2013)“…The performance of the GlueX Forward Calorimeter was studied using a small version of the detector and a variable energy electron beam derived from the Hall B…”
Get full text
Journal Article -
2
The time-of-flight system for CLAS
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-08-1999)“…The time of flight system for the CEBAF Large Acceptance Spectrometer (CLAS) at the Thomas Jefferson National Accelerator Facility is described. The system,…”
Get full text
Journal Article -
3
The CLAS forward electromagnetic calorimeter
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-03-2001)“…The CEBAF Large Acceptance Spectrometer (CLAS) at Jefferson Lab utilizes six iron-free superconducting coils to provide an approximately toroidal magnetic…”
Get full text
Journal Article -
4
Electromagnetic calorimeters based on scintillating lead tungstate crystals for experiments at Jefferson Lab
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-10-2021)“…A new electromagnetic calorimeter consisting of 140 lead tungstate (PbWO4) scintillating crystals was constructed for the PrimEx-η experiment at Jefferson lab…”
Get full text
Journal Article -
5
The Heavy Photon Search beamline and its performance
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-07-2017)“…The Heavy Photon Search (HPS) is an experiment to search for a hidden sector photon, aka a heavy photon or dark photon, in fixed target electroproduction at…”
Get full text
Journal Article -
6
Electromagnetic calorimeters based on scintillating lead tungstate crystals for experiments at Jefferson Lab
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-10-2021)“…A new electromagnetic calorimeter consisting of 140 lead tungstate (PbWO4) scintillating crystals was constructed for the PrimEx- η experiment at Jefferson…”
Get full text
Journal Article -
7
A multidimensional study of the structure function ratio σ L T ′ / σ 0 from hard exclusive π+ electro-production off protons in the GPD regime
Published in Physics letters. B (01-04-2023)Get full text
Journal Article -
8
The Heavy Photon Search test detector
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-03-2015)“…The Heavy Photon Search (HPS), an experiment to search for a hidden sector photon in fixed target electroproduction, is preparing for installation at the…”
Get full text
Journal Article -
9
Measurement of the helicity asymmetry $\mathbb{E}$ for the $\vec{\gamma}\vec{p} \to p \pi^0$ reaction in the resonance region
Published in The European physical journal. A, Hadrons and nuclei (2023)“…The double-spin-polarization observable $\mathbb{E}$ for $\vec{\gamma}\vec{p}\to p\pi^0$ has been measured with the CEBAF Large Acceptance Spectrometer (CLAS)…”
Get full text
Journal Article -
10
Observation of Beam Spin Asymmetries in the Process $ep\rightarrow{e}^{'}{\pi}^{+}{\pi}^{-}X$ with CLAS12
Published in Physical review letters (2021)“…The observation of beam spin asymmetries in two-pion production in semi-inclusive deep inelastic scattering off an unpolarized proton target is reported. The…”
Get full text
Journal Article -
11
Improved $\Lambda p$ Elastic Scattering Cross Sections Between 0.9 and 2.0 GeV/c and Connections to the Neutron Star Equation of State
Published in Physical review letters (2021)“…Strange matter is believed to exist in the cores of neutron stars based on simple kinematics. If this is true, then hyperon-nucleon interactions will play a…”
Get full text
Journal Article -
12
The HPS electromagnetic calorimeter
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-05-2017)“…The Heavy Photon Search experiment (HPS) is searching for a new gauge boson, the so-called “heavy photon.” Through its kinetic mixing with the Standard Model…”
Get full text
Journal Article -
13
The Heavy Photon Search beamline and its performance
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-07-2017)“…The Heavy Photon Search (HPS) is an experiment to search for a hidden sector photon, aka a heavy photon or dark photon, in fixed target electroproduction at…”
Get full text
Journal Article -
14
Measurement of the Q 2 Dependence of the Deuteron Spin Structure Function g 1 and its Moments at Low Q 2 with CLAS
Published in Physical review letters (01-02-2018)Get full text
Journal Article -
15
Precision measurement of the proton and deuteron spin structure functions g2 and asymmetries A2
Published in Physics letters. B (30-01-2003)“…We have measured the spin structure functions g2p and g2d and the virtual photon asymmetries A2p and A2d over the kinematic range 0.02⩽x⩽0.8 and 0.7⩽Q2⩽20GeV2…”
Get full text
Journal Article -
16
First Exclusive Measurement of Deeply Virtual Compton Scattering off $^4$He: Toward the 3D Tomography of Nuclei
Published in Physical review letters (2017)“…We report on the first measurement of the beam-spin asymmetry in the exclusive process of coherent deeply virtual Compton scattering off a nucleus. The…”
Get full text
Journal Article -
17
First measurement of the polarization observable E in the View the MathML sourcep→(γ→,π+)n reaction up to 2.25 GeV
Published in Physics letters. B (01-11-2015)“…First results from the longitudinally polarized frozen-spin target (FROST) program are reported. The double-polarization observable E, for the reaction $\vec…”
Get full text
Journal Article -
18
Commissioning and Testing the 1970's Era LASS Solenoid Magnet in JLab's Hall D
Published in IEEE transactions on applied superconductivity (01-06-2015)“…JLab refurbished and reconfigured the LASS 1.85-m bore Solenoid and installed it as the principal analysis magnet for nuclear physics in the newly constructed…”
Get full text
Journal Article -
19
Photoproduction of the f_{2}(1270) Meson Using the CLAS Detector
Published in Physical review letters (26-02-2021)“…The quark structure of the f_{2}(1270) meson has, for many years, been assumed to be a pure quark-antiquark (qq[over ¯]) resonance with quantum numbers…”
Get full text
Journal Article -
20
Evidence for the onset of color transparency in electroproduction off nuclei
Published in Physics letters. B (12-06-2012)“…We have measured the nuclear transparency of the incoherent diffractive A ( e , e a2 I 0 ) process in 12C and 56Fe targets relative to 2H using a 5 GeV…”
Get full text
Journal Article