A. M. Foda
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View article: Measurement of spin-density matrix elements in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>ϕ</mml:mi><mml:mrow><mml:mo>(</mml:mo><mml:mn>1020</mml:mn><mml:mo>)</mml:mo></mml:mrow><mml:mo>→</mml:mo><mml:msubsup><mml:mi>K</mml:mi><mml:mi>S</mml:mi><mml:mn>0</mml:mn></mml:msubsup><mml:msubsup><mml:mi>K</mml:mi><mml:mi>L</mml:mi><mml:mn>0</mml:mn></mml:msubsup></mml:mrow></mml:math> photoproduction with a linearly polarized photon beam at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>E</mml:mi><mml:mi>γ</mml:mi></mml:msub><mml:mo>=</mml:mo><mml:mn>8.2</mml:mn><mml:mo>–</mml:mo><mml:mn>8.8</mml:mn><mml:mo> </mml:mo><mml:mi>GeV</mml:mi></mml:mrow></mml:math>
Measurement of spin-density matrix elements in photoproduction with a linearly polarized photon beam at Open
We measure the spin-density matrix elements (SDMEs) for the photoproduction of ϕ(1020) off of the proton in its decay to KS0KL0, using 105 pb−1 of data collected with a linearly polarized photon beam using the GlueX experiment. The SDMEs a…
View article: Measurement of spin-density matrix elements in Δ++(1232) photoproduction
Measurement of spin-density matrix elements in Δ++(1232) photoproduction Open
We measure the spin-density matrix elements (SDMEs) of the Δ++(1232) in the photoproduction reaction γp→π−Δ++(1232) with the GlueX experiment in Hall D at Jefferson Lab. The measurement uses a linearly–polarized photon beam with energies f…
View article: First Measurement of $a^0_2(1320)$ Polarized Photoproduction Cross Section
First Measurement of $a^0_2(1320)$ Polarized Photoproduction Cross Section Open
We measure for the first time the differential photoproduction cross section $dσ/dt$ of the $a_2(1320)$ meson at an average photon beam energy of 8.5~GeV, using data with an integrated luminosity of 104~pb$^{-1}$ collected by the GlueX exp…
View article: Upper Limit on the Photoproduction Cross Section of the Spin-Exotic <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>π</mml:mi></mml:mrow><mml:mrow><mml:mn>1</mml:mn></mml:mrow></mml:msub><mml:mo stretchy="false">(</mml:mo><mml:mn>1600</mml:mn><mml:mo stretchy="false">)</mml:mo></mml:mrow></mml:math>
Upper Limit on the Photoproduction Cross Section of the Spin-Exotic Open
The spin-exotic hybrid meson π_{1}(1600) is predicted to have a large decay rate to the ωππ final state. Using 76.6 pb^{-1} of data collected with the GlueX detector, we measure the cross sections for the reactions γp→ωπ^{+}π^{-}p, γp→ωπ^{…
View article: Upper Limit on the Photoproduction Cross Section of the Spin-Exotic $π_1(1600)$
Upper Limit on the Photoproduction Cross Section of the Spin-Exotic $π_1(1600)$ Open
The spin-exotic hybrid meson $π_{1}(1600)$ is predicted to have a large decay rate to the $ωππ$ final state. Using 76.6~pb$^{-1}$ of data collected with the GlueX detector, we measure the cross sections for the reactions $γp \to ωπ^+ π^- p…
View article: Measurement of Spin-Density Matrix Elements in $Δ^{++}(1232)$ photoproduction
Measurement of Spin-Density Matrix Elements in $Δ^{++}(1232)$ photoproduction Open
We measure the spin-density matrix elements (SDMEs) of the $Δ^{++}(1232)$ in the photoproduction reaction $γp \to π^-Δ^{++}(1232)$ with the GlueX experiment in Hall D at Jefferson Lab. The measurement uses a linearly--polarized photon beam…
View article: Partial Wave Amplitude Analysis in Pion-Induced Reactions at the HADES Experiment
Partial Wave Amplitude Analysis in Pion-Induced Reactions at the HADES Experiment Open
The High Acceptance Di-Electron Spectrometer (HADES) collaboration at GSI employs a pion beam to examine the characteristics of baryonic resonances and their decay channels. This pion-beam facility enables the generation of baryonic resona…
View article: Measurement of spin-density matrix elements in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>ρ</mml:mi><mml:mo>(</mml:mo><mml:mn>770</mml:mn><mml:mo>)</mml:mo></mml:mrow></mml:math> production with a linearly polarized photon beam at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>E</mml:mi><mml:mi>γ</mml:mi></mml:msub><mml:mo>=</mml:mo><mml:mn>8.2</mml:mn><mml:mo>–</mml:mo><mml:mn>8.8</mml:mn><mml:mo> </mml:mo><mml:mi>GeV</mml:mi></mml:mrow></mml:math>
Measurement of spin-density matrix elements in production with a linearly polarized photon beam at Open
The GlueX experiment at Jefferson Lab studies photoproduction of mesons using linearly polarized 8.5 GeV photons impinging on a hydrogen target which is contained within a detector with near-complete coverage for charged and neutral partic…
View article: Measurement of the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>J</mml:mi></mml:math>/<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>ψ</mml:mi></mml:math> photoproduction cross section over the full near-threshold kinematic region
Measurement of the / photoproduction cross section over the full near-threshold kinematic region Open
We report the total and differential cross sections for J/ψ photoproduction with the large acceptance GlueX spectrometer for photon beam energies from the threshold at 8.2 GeV up to 11.44 GeV and over the full kinematic range of momentum t…
View article: Measurement of Spin-Density Matrix Elements in $ρ(770)$ Production with a Linearly Polarized Photon Beam at $E_γ= 8.2\,-\,8.8\,\text{GeV}$
Measurement of Spin-Density Matrix Elements in $ρ(770)$ Production with a Linearly Polarized Photon Beam at $E_γ= 8.2\,-\,8.8\,\text{GeV}$ Open
The GlueX experiment at Jefferson Lab studies photoproduction of mesons using linearly polarized $8.5\,\text{GeV}$ photons impinging on a hydrogen target which is contained within a detector with near-complete coverage for charged and neut…
View article: Measurement of the J/$ψ$ photoproduction cross section over the full near-threshold kinematic region
Measurement of the J/$ψ$ photoproduction cross section over the full near-threshold kinematic region Open
We report the total and differential cross sections for $J/ψ$ photoproduction with the large acceptance GlueX spectrometer for photon beam energies from the threshold at 8.2~GeV up to 11.44~GeV and over the full kinematic range of momentum…
View article: Photoproduction of the b<sub>1</sub>(1235) Meson off the proton at E<sub>gamma</sub> = 6-12 GeV
Photoproduction of the b<sub>1</sub>(1235) Meson off the proton at E<sub>gamma</sub> = 6-12 GeV Open
The GlueX Experiment at Jefferson Lab directs a linearly polarized photon beam on a liquid hydrogen target surrounded by an almost hermetic detector. The experiment aims to study the meson spectrum in the light-quark sector and search for …
View article: Search for photoproduction of axionlike particles at GlueX
Search for photoproduction of axionlike particles at GlueX Open
We present a search for axion-like particles, $a$, produced in photon-proton collisions at a center-of-mass energy of approximately 4 GeV, focusing on the scenario where the $a$-gluon coupling is dominant. The search uses $a\\to\\gamma\\ga…
View article: Measurement of spin density matrix elements in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi mathvariant="normal">Λ</mml:mi><mml:mo>(</mml:mo><mml:mn>1520</mml:mn><mml:mo>)</mml:mo></mml:mrow></mml:math> photoproduction at 8.2–8.8 GeV
Measurement of spin density matrix elements in photoproduction at 8.2–8.8 GeV Open
We report on the measurement of spin density matrix elements of the $\\Lambda(1520)$ in the photoproduction reaction $\\gamma p\\rightarrow \\Lambda(1520)K^+$, via its subsequent decay to $K^{-}p$. The measurement was performed as part of …
View article: Measurement of beam asymmetry for <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msup><mml:mi>π</mml:mi><mml:mo>−</mml:mo></mml:msup><mml:msup><mml:mi mathvariant="normal">Δ</mml:mi><mml:mrow><mml:mo>+</mml:mo><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math> photoproduction on the proton at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>E</mml:mi><mml:mi>γ</mml:mi></mml:msub><mml:mo>=</mml:mo><mml:mn>8.5</mml:mn><mml:mspace width="0.16em"/><mml:mi>GeV</mml:mi></mml:mrow></mml:math>
Measurement of beam asymmetry for photoproduction on the proton at Open
We report a measurement of the
\nπ
\n−
\n photoproduction beam asymmetry for the reaction
\n→
\nγ
\np
\n→
\nπ
\n−
\nΔ
\n+
\n+
\n using data from the GlueX experiment in the photon beam energy range 8.2–8.8 GeV. The asymmetry
\nΣ
\n is m…
View article: The GlueX beamline and detector
The GlueX beamline and detector Open
View article: Measurement of the photon beam asymmetry in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mover accent="true"><mml:mi>γ</mml:mi><mml:mo></mml:mo></mml:mover><mml:mi>p</mml:mi><mml:mo>→</mml:mo><mml:msup><mml:mi>K</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msup><mml:mi mathvariant="normal">Σ</mml:mi><mml:mn>0</mml:mn></mml:msup></mml:mrow></mml:math> at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>E</mml:mi><mml:mi>γ</mml:mi></mml:msub><mml:mo>=</mml:mo><mml:mn>8.5</mml:mn></mml:mrow></mml:math> GeV
Measurement of the photon beam asymmetry in at GeV Open
© 2020 American Physical Society. We report measurements of the photon beam asymmetry ς for the reaction γ - p→K+ς0(1193) using the GlueX spectrometer in Hall D at Jefferson Lab. Data were collected by using a linearly polarized photon bea…
View article: Beam asymmetry <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi mathvariant="normal">Σ</mml:mi></mml:math> for the photoproduction of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>η</mml:mi></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msup><mml:mi>η</mml:mi><mml:mo>′</mml:mo></mml:msup></mml:math> mesons at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>E</mml:mi><mml:mi>γ</mml:mi></mml:msub><mml:mo>=</mml:mo><mml:mn>8.8</mml:mn><mml:mspace width="0.28em"/><mml:mi>GeV</mml:mi></mml:mrow></mml:math>
Beam asymmetry for the photoproduction of and mesons at Open
In this work, we report on the measurement of the beam asymmetry $\\Sigma$ for the reactions $\\vec{\\gamma}p\\rightarrow p\\eta$ and $\\vec{\\gamma}p \\rightarrow p\\eta^{\\prime}$ from the GlueX experiment, using an 8.2–8.8-GeV linearly …
View article: First Measurement of Near-Threshold <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>J</mml:mi><mml:mo stretchy="false">/</mml:mo><mml:mi>ψ</mml:mi></mml:math> Exclusive Photoproduction off the Proton
First Measurement of Near-Threshold Exclusive Photoproduction off the Proton Open
We report on the measurement of the γp→J/ψp cross section from E_{γ}=11.8 GeV down to the threshold at 8.2 GeV using a tagged photon beam with the GlueX experiment. We find that the total cross section falls toward the threshold less steep…
View article: Construction and performance of the barrel electromagnetic calorimeter for the GlueX experiment
Construction and performance of the barrel electromagnetic calorimeter for the GlueX experiment Open
View article: Strange Hadron Spectroscopy with a Secondary KL Beam at GlueX
Strange Hadron Spectroscopy with a Secondary KL Beam at GlueX Open
We propose to create a secondary beam of neutral kaons in Hall D at Jefferson Lab to be used with the GlueX experimental setup for strange hadron spectroscopy. A flux on the order of 3 x 10^4 KL/s will allow a broad range of measurements t…
View article: Measurement of the beam asymmetry <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi mathvariant="normal">Σ</mml:mi></mml:math> for <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msup><mml:mi>π</mml:mi><mml:mn>0</mml:mn></mml:msup></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>η</mml:mi></mml:math> photoproduction on the proton at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>E</mml:mi><mml:mi>γ</mml:mi></mml:msub><mml:mo>=</mml:mo><mml:mn>9</mml:mn></mml:mrow></mml:math> GeV
Measurement of the beam asymmetry for and photoproduction on the proton at GeV Open
We report measurements of the photon beam asymmetry Sigma for the reactions (gamma) over right arrowp -> p pi(0) and gamma p -> p eta from the GLUEX experiment using a 9 GeV linearly polarized, tagged photon beam incident on a liquid hydro…
View article: Measurement of the beam asymmetry Σ for π0 and η photoproduction on the proton at Eγ=9 GeV
Measurement of the beam asymmetry Σ for π0 and η photoproduction on the proton at Eγ=9 GeV Open
We report measurements of the photon beam asymmetry Σ for the reactions ⃗γp→pπ0 and ⃗γp→pη from the GlueX experiment using a 9 GeV linearly polarized, tagged photon beam incident on a liquid hydrogen target in Jefferson Lab's Hall…
View article: First results from the GlueX experiment
First results from the GlueX experiment Open
© 2016 Author(s). The GlueX experiment at Jefferson Lab ran with its first commissioning beam in late 2014 and the spring of 2015. Data were collected on both plastic and liquid hydrogen targets, and much of the detector has been commissio…