Z. W. Sweger
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View article: Erratum: Disappearance of partonic collectivity in √ sNN = 3 GeV Au+Au collisions at RHIC [Phys. Lett. B 827, 137003 (2022)]
Erratum: Disappearance of partonic collectivity in √ sNN = 3 GeV Au+Au collisions at RHIC [Phys. Lett. B 827, 137003 (2022)] Open
We report on the measurements of directed flow v1 and elliptic flow v2 for hadrons (π±, K±, KS0, p, ϕ, Λ and Ξ−) from Au+Au collisions at sNN = 3 GeV and v2 for (π±, K±, p and p‾) at 27 and 54.4 GeV with the STAR experiment. While at the t…
View article: How Not to Measure a False QCD Critical Point
How Not to Measure a False QCD Critical Point Open
Fluctuations of conserved charges are a golden channel for measuring a QCD critical point in relativistic heavy-ion collisions. These fluctuations are quantified by measuring high-order cumulants of baryon-number distributions at a given c…
View article: Modeling Backward-Angle ($u$-channel) Virtual Compton Scattering at an Electron-Ion Collider
Modeling Backward-Angle ($u$-channel) Virtual Compton Scattering at an Electron-Ion Collider Open
High-energy backward ($u$-channel) reactions can involve very large momentum transfers to the target baryons, shifting them by many units of rapidity. These reactions are difficult to understand in conventional models in which baryon numbe…
View article: Recent Results and Future Prospects from the STAR Beam Energy Scan Program
Recent Results and Future Prospects from the STAR Beam Energy Scan Program Open
The STAR experiment at Brookhaven National Laboratory has completed data taking for the second phase of the beam energy scan (BES-II) program, including in a fixed-target (FXT) mode. The BES-II program has collected high-statistics data on…
View article: Backward-angle (<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>u</mml:mi></mml:math>-channel) production at an electron-ion collider
Backward-angle (-channel) production at an electron-ion collider Open
In backward photoproduction of mesons, the produced vector meson takes most of the struck nucleon momentum. The nucleon loses most of its momentum, and so is shifted several units of rapidity. Thus the Mandelstam u is small, while the squa…
View article: Backward-Angle ($u$-channel) Production at an Electron-Ion Collider
Backward-Angle ($u$-channel) Production at an Electron-Ion Collider Open
In backward photoproduction of mesons, $γp\rightarrow M p$, the target proton takes most of the photon momentum, while the produced meson recoils in the direction from which the photon came. Thus the Mandelstam $u$ is small, while the squa…
View article: Comparative scintillation performance of EJ-309, EJ-276, and a novel organic glass
Comparative scintillation performance of EJ-309, EJ-276, and a novel organic glass Open
An organic glass scintillator developed by Sandia National Laboratories was characterized in terms of its light output and pulse shape discrimination (PSD) properties and compared to commercial liquid (EJ-309) and plastic (EJ-276) organic …
View article: Comparative scintillation performance of EJ-309, EJ-276, and a novel organic glass
Comparative scintillation performance of EJ-309, EJ-276, and a novel organic glass Open
An organic glass scintillator developed by Sandia National Laboratories was characterized in terms of its light output and pulse shape discrimination (PSD) properties and compared to commercial liquid (EJ-309) and plastic (EJ-276) organic …
View article: Neutron Capture Response of EJ-254 and a New Boron-Loaded Organic Glass Scintillator.
Neutron Capture Response of EJ-254 and a New Boron-Loaded Organic Glass Scintillator. Open
keV to 4.5 MeV and determined to be in agreement with other plastic scintillators comprised of the same polymer base. To isolate the slow neutron response, an AmBe source with polyethylene moderator was made incident on the EJ-254 scintill…
View article: Simulations of Neutron Time-of-Flight Method by Inelastic Scattering Carbon-12 using MCNP6 and Geant4
Simulations of Neutron Time-of-Flight Method by Inelastic Scattering Carbon-12 using MCNP6 and Geant4 Open
A neutron spectroscopy technique using neutron time-of-flight (TOF) with gamma tagging from inelastic scattering on carbon-12 was examined using MCNP6 and Geant4. Experimental data for the 12C(n,n'$γ$) reaction from D. Spaargaren and C.C. …
View article: Design and Benchmarking of a Proton Recoil Neutron Detector
Design and Benchmarking of a Proton Recoil Neutron Detector Open
A neutron spectroscopy detector was designed for analysis of neutrons produced by Lawrence Livermore National Laboratory's neutron imaging project. The detector was built and benchmarked at Lawrence Berkeley National Laboratory's Deuteron-…