159 citations · 789 across the 40 of their papers we have counts for
40 papers
Direct Bayesian Inference of Helicity Amplitudes from Detector-Level Scattering Data
Bhawani Singh, Harut Avakian, Shohini Bhattacharya +8
Helicity amplitudes give the most complete description of a variety of scattering reactions used in studies of strong interactions, but they cannot be measured directly: experiment…
Matching collinear factorization with color-glass condensate for inclusive and exclusive deep inelastic scattering
Shohini Bhattacharya, Chuan-Qi He, Zhong-Bo Kang +2
Collinear factorization and color-glass condensate (CGC) effective field theory are generally treated as separate approaches for calculating scattering amplitudes, valid in differe…
Gluon Generalized TMD signatures at the EIC from exclusive heavy (axial-)vector meson production
Shohini Bhattacharya, David DeAngelo, Lei Yang +2
Potential experimental signatures of gluon generalized transverse momentum-dependent distributions (GTMDs) are proposed via exclusive heavy (axial-)vector meson production in lepto…
Parton distributions in the shockwave formalism
Shohini Bhattacharya, Chuan-Qi He, Zhong-Bo Kang +2
In this work, we calculate a broad class of parton distributions - including parton distribution functions (PDFs), transverse-momentum-dependent distributions (TMDs), generalized p…
Generalized Parton Distributions from Lattice QCD with Asymmetric Momentum Transfer: Unpolarized Quarks at Nonzero Skewness
Min-Huan Chu, Manuel Colaço, Shohini Bhattacharya +4
We extend the formalism of asymmetric frames of reference for generalized parton distributions (GPDs) to the case of nonzero skewness, i.e., including longitudinal momentum transfe…
Generalized Parton Distributions from Lattice QCD with Asymmetric Momentum Transfer: Tensor Case
Shohini Bhattacharya, Krzysztof Cichy, Martha Constantinou +4
The calculation of generalized parton distributions (GPDs) in lattice QCD was traditionally done by calculating matrix elements in the symmetric frame. Recent advancements have sig…
Probing the Sivers Asymmetry with Transverse Energy-Energy Correlators in the Small- Regime
Shohini Bhattacharya, Zhong-Bo Kang, Diego Padilla +1
We investigate transverse energy-energy correlators (TEECs) for both polarized and unpolarized targets in the small- regime at the Electron-Ion Collider (EIC). Focusing on the a…
Moments of Axial-Vector GPD from Lattice QCD: Quark Helicity, Orbital Angular Momentum, and Spin-Orbit Correlation
Shohini Bhattacharya, Krzysztof Cichy, Martha Constantinou +7
In this work, we present a lattice QCD calculation of the Mellin moments of the twist-2 axial-vector generalized parton distribution (GPD), , at zero skewness…
Physics case for quarkonium studies at the Electron Ion Collider
Daniël Boer, Chris A. Flett, Carlo Flore +41
The physics case for quarkonium-production studies accessible at the US Electron Ion Collider is described.
Generalized parton distributions from the pseudo-distribution approach on the lattice
Shohini Bhattacharya, Krzysztof Cichy, Martha Constantinou +3
Generalized parton distributions (GPDs) are key quantities for the description of a hadron's three-dimensional structure. They are the current focus of all areas of hadronic physic…
Proton Helicity GPDs from Lattice QCD
Joshua Miller, Shohini Bhattacharya, Krzysztof Cichy +7
First lattice QCD calculations of -dependent GPD have been performed in the (symmetric) Breit frame, where the momentum transfer is evenly divided between the initial and final…
Unveiling generalized parton distributions through the pseudo-distribution approach
Niilo Nurminen, Shohini Bhattacharya, Wojciech Chomicki +4
Understanding the intricate three-dimensional internal structure of the nucleon has been a long-standing challenge. The main quantitative tool to map out this structure are the gen…
Generalized Parton Distributions from Lattice QCD with Asymmetric Momentum Transfer: Axial-vector case
Shohini Bhattacharya, Krzysztof Cichy, Martha Constantinou +8
Recently, we made significant advancements in improving the computational efficiency of lattice QCD calculations for Generalized Parton Distributions (GPDs). This progress was achi…
Unraveling anomalies in Deeply Virtual Compton Scattering
Shohini Bhattacharya, Yoshitaka Hatta, Werner Vogelsang
We calculate the one-loop quark box diagrams relevant to polarized and unpolarized Deeply Virtual Compton Scattering by introducing an off-forward momentum as an infrared reg…
Chiral-even axial twist-3 GPDs of the proton from lattice QCD
Shohini Bhattacharya, Krzysztof Cichy, Martha Constantinou +4
This work presents the first lattice-QCD calculation of the twist-3 axial quark GPDs for the proton using the large-momentum effective theory approach. We calculate matrix elements…
Moments of proton GPDs from the OPE of nonlocal quark bilinears up to NNLO
Shohini Bhattacharya, Krzysztof Cichy, Martha Constantinou +7
For the first time, we present a lattice QCD determination of Mellin moments of unpolarized generalized parton distributions (GPDs) of the proton from an analysis of the quasi-GPD…
Chiral and trace anomalies in Deeply Virtual Compton Scattering II: QCD factorization and beyond
Shohini Bhattacharya, Yoshitaka Hatta, Werner Vogelsang
We extend the discussion of the recently discovered 'anomaly poles' in QCD Compton scattering. We perform the complete one-loop calculation of the Compton amplitude using momentum…
Generalized Parton Distributions from Lattice QCD
Krzysztof Cichy, Shohini Bhattacharya, Martha Constantinou +8
In recent years, there has been a breakthrough in lattice calculations of -dependent partonic distributions. This encompasses also distributions describing the 3D structure of t…
Accessing the gluon GTMD in exclusive production in collisions
Shohini Bhattacharya, Duxin Zheng, Jian Zhou
We demonstrate that the longitudinal single target-spin asymmetry in exclusive production in collisions can give access to the imaginary part of the gluon generalized tr…
GPDs in asymmetric frames
Shohini Bhattacharya, Krzysztof Cichy, Martha Constantinou +7
It is often taken for granted that Generalized Parton Distributions (GPDs) are defined in the "symmetric" frame, where the transferred momentum is symmetrically distributed between…
Accessing proton GPDs in asymmetric frames: Numerical implementation
Martha Constantinou, Shohini Bhattacharya, Krzysztof Cichy +7
In this work, we present a numerical investigation of a novel Lorentz-covariant parametrization to extract -dependent GPDs using off-forward matrix elements of momentum-boosted…
Chiral and trace anomalies in Deeply Virtual Compton Scattering
Shohini Bhattacharya, Yoshitaka Hatta, Werner Vogelsang
Inspired by recent work by Tarasov and Venugopalan, we calculate the one-loop quark box diagrams relevant to polarized and unpolarized Deep Inelastic Scattering (DIS) by introducin…
Generalized Parton Distributions from Lattice QCD with Asymmetric Momentum Transfer: Unpolarized Quarks
Shohini Bhattacharya, Krzysztof Cichy, Martha Constantinou +7
Traditionally, lattice QCD computations of generalized parton distributions (GPDs) have been carried out in a symmetric frame, where the transferred momentum is symmetrically distr…
Signature of the gluon orbital angular momentum
Shohini Bhattacharya, Renaud Boussarie, Yoshitaka Hatta
We propose a novel observable for the experimental detection of the gluon orbital angular momentum (OAM) that constitutes the proton spin sum rule. We consider longitudinal double…