We present a calculation of the electromagnetic form factors (EFF) of the radially excited and ground state for pion and kaon.
We have employed a Schwinger-Dyson equations treatment of a vector × vector contact interaction which preserves key features of quantum chromodynamics, such as confinement, chiral symmetry breaking, axial-vector Ward-Takahashi identity and low-energy...
UNH (University of New Hampshire) Nuclear Group planning to run b1 and Azz experiment at JLab in Hall C using 11.0 GeV, High Luminosity electron beam 1038cm−2s−1 with 115 nA beam current, the 5T Superconducting magnet,ND3 polarized target and HallC stacked spectrometer to study the deuteron spin observables
and asymmetries on polarized beam and target. Additionally, UNH Nuclear Group will...
S-matrix theory is one of the most powerful framework to study the (un)stable states that populate QCD spectrum. In particular, it is very useful to extract physical properties of the "exotics" candidates - particles that cannot be described by ordinary quark model - in a non perturbative, phenomenological way. In this talk, I will introduce the so called N/D formalism, which is a technique to...
Incoherent DVCS on the Deuteron is a reaction that is sensitive to neutron GPDs. Extraction of neutron GPDs is necessary for the flavor separation of GPDs. I will discuss how to model this reaction and complications that arise such as different nucleon interferences and final state interactions.
This experiment aims to measure the ratio of the proton’s electromagnetic form factors (GEp/GMp), in elastic electron-proton scattering at high momentum transfers using polarized electron beam at JLab Hall A. Determining the polarization transfer to the recoiling proton provides direct access to the ratio of the electromagnetic form factors at electron energies up to 11 GeV. The experiment...
We investigate the impact of potential measurements by the CLAS and SoLID collaborations at Jefferson Lab and the future Electron Ion Collider on the proton transversity distributions and their moments, the tensor charges.
ALERT-SRC experiment, which will be carried out in this summer, employs the ALERT (A Low Energy Recoil Tracker) detector, installed inside the central region of CLAS12 in Hall B, to perform high-precision measurements of short-range correlation (SRC) effects in nuclei. The measurement is carried out with a 6.4 GeV electron beam under quasi-elastic kinematics, focusing on the exclusive...
A description of the start of a 2Pi0 channel partial wave analysis in order to identify f2(1275), with a focus on motivation and theory due to very preliminary nature of research
Understanding the small-x regime of Quantum Chromodynamics (QCD) is crucial for advancing high-energy nuclear physics. In this non-linear domain--where gluon densities become large and saturation effects emerge--traditional perturbative frameworks, such as the Parton Model, become inadequate. Instead, the Dipole Model, which is better suited for describing non-perturbative dynamics at small-x,...
Efficient use and conservation of Liquid Helium (LHe) is essential for the sustainability of polarized target experiments in nuclear physics. This poster presents the development of a novel helium recapture system integrated with quantum technology at the UNH DNP Lab, enabling significant recovery and reuse of LHe. In parallel, we explore the enhancement of tensor polarization in spin-1...
Proton anti-proton production has been used to search for possible intermediate systems in various experiments. Evidence for a potential narrow resonance in the ppbar system is scarce, while there is no evidence for a wide resonance in the ppbar system in either photoproduction or electroproduction.
Previous high statistic photoproduction analyses have focused on the extraction of...
Meson spectroscopy is the study of the properties and production and decay mechanisms of the mesons for the purpose of classification. Additionally, it is desirable to expand the spectrum of known mesons and to test the predictions of quantum chromodynamics, the theory of the strong force. Different types of mesons can be produced through high-energy electron-proton interactions where a meson...
Cascade hyperons, despite being discovered over half a century ago, remain considerably less studied compared to the non-strange $\Delta$ and $N$ baryons. This disparity is primarily due to the energetic challenges associated with producing two strange quarks. The objective of this analysis is to provide the first cross-section measurements for the ground state cascade, $\Xi^-$, using electron...
Probing the non-perturbative regime of Quantum Chromodynamics (QCD) remains a critical challenge in hadron spectroscopy, particularly concerning the role of gluonic excitations in shaping the hadronic spectrum. The GlueX experiment at Jefferson Lab is designed to address this challenge through the search for exotic hybrid mesons, states predicted by QCD to include gluonic degrees of freedom...
Physicists have worked for decades to uncover the fundamental properties of nucleons since they are the building blocks of our visible universe. However, essential questions, such as how quarks and gluons contribute to the mass and spin of nucleons, still remain unresolved. Generalized Parton Distributions (GPDs), introduced in the 1990s, aim to address these questions by probing the...
