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Publications (16)

nucl-ex2025

Measurement of the Total Compton Scattering Cross Section between 6.5 and 11 GeV

GlueX Collaboration, F. Afzal, C. S. Akondi +148

The total cross section for Compton scattering off atomic electrons, $Î³+e\rightarrowÎ³'+e'$, was measured using photons with energies between 6.5 and 11.1 GeV incident on a $^{9}$ Be…

physics.ins-det2009

Radiation hardness qualification of PbWO4 scintillation crystals for the CMS Electromagnetic Calorimeter

The CMS Electromagnetic Calorimeter Group, P. Adzic, N. Almeida +267

Ensuring the radiation hardness of PbWO4 crystals was one of the main priorities during the construction of the electromagnetic calorimeter of the CMS experiment at CERN. The produ…

hep-ex2023

Search for axion-like particles through nuclear Primakoff production using the GlueX detector

J. R. Pybus, T. Kolar, B. Devkota +40

We report on the results of the first search for the production of axion-like particles (ALP) via Primakoff production on nuclear targets using the GlueX detector. This search uses…

nucl-ex2020

Studying Short-Range Correlations with Real Photon Beams at GlueX

O. Hen, M. Patsyuk, E. Piasetzky +59

The past few years has seen tremendous progress in our understanding of short-range correlated (SRC) pairing of nucleons within nuclei, much of it coming from electron scattering e…

nucl-ex2024

Measurement of the J/ $I ¨ $ photoproduction cross section over the full near-threshold kinematic region

GlueX Collaboration, S. Adhikari, F. Afzal +150

We report the total and differential cross sections for $J / I ¨ $ photoproduction with the large acceptance GlueX spectrometer for photon beam energies from the threshold at 8.2~GeV u…

nucl-ex2022

Measurement of Spin Density Matrix Elements in $I^ (1520)$ Photoproduction at 8.2-8.8 GeV

GlueX Collaboration, S. Adhikari, C. S. Akondi +143

We report on the measurement of spin density matrix elements of the $I^ (1520)$ in the photoproduction reaction $I^^{3} p \to I^ (1520) K^{+}$ , via its subsequent decay to $K^{-} p$ . T…

hep-ex2026

Baryon-antibaryon photoproduction cross sections off the proton

GlueX Collaboration, F. Afzal, M. Albrecht +137

The GlueX experiment at Jefferson Lab has observed $p p ˉ$ and, for the first time, $I^ I^ˉ $ and $p I^ˉ $ photoproduction from a proton target at photon energies up to 11.6 G…

hep-ex2015

Observation of the rare $B_{s}^{0} \to I^¼^{+} I^¼^{-}$ decay from the combined analysis of CMS and LHCb data

The CMS, LHCb Collaborations, : +2807

A joint measurement is presented of the branching fractions $B_{s}^{0} \to I^¼^{+} I^¼^{-}$ and $B^{0} \to I^¼^{+} I^¼^{-}$ in proton-proton collisions at the LHC by the CMS and LHCb experiments. The data…

nucl-ex2025

First Measurement of $a_{2}^{0} (1320)$ Polarized Photoproduction Cross Section

GlueX Collaboration, F. Afzal, C. S. Akondi +149

We measure for the first time the differential photoproduction cross section $d I ¨ / d t$ of the $a_{2} (1320)$ meson at an average photon beam energy of 8.5~GeV, using data with an integ…

nucl-ex2024

Measurement of Spin-Density Matrix Elements in $I ¨ (770)$ Production with a Linearly Polarized Photon Beam at $E_{I^}^{3} = 8.2 - 8.8 GeV$

GlueX Collaboration, S. Adhikari, F. Afzal +150

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…

nucl-ex2026

Short-range correlated pair formation and nuclear shell structure

D. Nguyen, C. Yero, H. Szumila-Vance +26

Short-range correlated (SRC) nucleon pairs - caused by brief, high-momentum interactions between two nucleons - are dominated by neutron-proton pairs with large relative and smalle…

nucl-ex2023

A Direct Measurement of Hard Two-Photon Exchange with Electrons and Positrons at CLAS12

A. Schmidt, W. J. Briscoe, O. Cortes +29

One of the most surprising discoveries made at Jefferson Lab has been the discrepancy in the determinations of the proton's form factor ratio $I^¼_{p} G_{E}^{p} / G_{M}^{p}$ between unpolarized…

hep-ex2022

Search for photoproduction of axion-like particles at GlueX

GlueX Collaboration, S. Adhikari, C. S. Akondi +142

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 $a$ -gl…

nucl-ex2025

Upper Limit on the Photoproduction Cross Section of the Spin-Exotic $I ¨ _{1} (1600)$

GlueX Collaboration, F. Afzal, C. S. Akondi +147

The spin-exotic hybrid meson $I ¨ _{1} (1600)$ is predicted to have a large decay rate to the $I ¨ I ¨ I ¨ $ final state. Using 76.6~pb $^{- 1}$ of data collected with the GlueX detector, we…

nucl-ex2024

First Measurement of Near- and Sub-Threshold $J / I ¨ $ Photoproduction off Nuclei

J. R. Pybus, L. Ehinger, T. Kolar +65

We report on the first measurement of $J / I ¨ $ photoproduction from nuclei in the photon energy range of $7$ to $10.8$ GeV, extending above and below the photoproduction threshold in…

nucl-ex2024

Measurement of Spin-Density Matrix Elements in $I^^{++} (1232)$ photoproduction

F. Afzal, C. S. Akondi, M. Albrecht +146

We measure the spin-density matrix elements (SDMEs) of the $I^^{++} (1232)$ in the photoproduction reaction $I^^{3} p \to I ¨ ^{-} I^^{++} (1232)$ with the GlueX experiment in Hall D at Jeffer…

Publications (16)

Measurement of the Total Compton Scattering Cross Section between 6.5 and 11 GeV

Radiation hardness qualification of PbWO4 scintillation crystals for the CMS Electromagnetic Calorimeter

Search for axion-like particles through nuclear Primakoff production using the GlueX detector

Studying Short-Range Correlations with Real Photon Beams at GlueX

Measurement of the J/I¨ photoproduction cross section over the full near-threshold kinematic region

Measurement of Spin Density Matrix Elements in I^(1520) Photoproduction at 8.2-8.8 GeV

Baryon-antibaryon photoproduction cross sections off the proton

Observation of the rare Bs0​→I^¼+I^¼− decay from the combined analysis of CMS and LHCb data

First Measurement of a20​(1320) Polarized Photoproduction Cross Section

Measurement of Spin-Density Matrix Elements in I¨(770) Production with a Linearly Polarized Photon Beam at EI^3​=8.2−8.8GeV

Short-range correlated pair formation and nuclear shell structure

A Direct Measurement of Hard Two-Photon Exchange with Electrons and Positrons at CLAS12

Search for photoproduction of axion-like particles at GlueX

Upper Limit on the Photoproduction Cross Section of the Spin-Exotic I¨1​(1600)

First Measurement of Near- and Sub-Threshold J/I¨ Photoproduction off Nuclei

Measurement of Spin-Density Matrix Elements in I^++(1232) photoproduction

Measurement of the J/ $I ¨ $ photoproduction cross section over the full near-threshold kinematic region

Measurement of Spin Density Matrix Elements in $I^ (1520)$ Photoproduction at 8.2-8.8 GeV

Observation of the rare $B_{s}^{0} \to I^¼^{+} I^¼^{-}$ decay from the combined analysis of CMS and LHCb data

First Measurement of $a_{2}^{0} (1320)$ Polarized Photoproduction Cross Section

Measurement of Spin-Density Matrix Elements in $I ¨ (770)$ Production with a Linearly Polarized Photon Beam at $E_{I^}^{3} = 8.2 - 8.8 GeV$

Upper Limit on the Photoproduction Cross Section of the Spin-Exotic $I ¨ _{1} (1600)$

First Measurement of Near- and Sub-Threshold $J / I ¨ $ Photoproduction off Nuclei

Measurement of Spin-Density Matrix Elements in $I^^{++} (1232)$ photoproduction