Transverse-momentum distributions in a diquark spectator model

Abstract

All the leading-twist parton distribution functions are calculated in a spectator model of the nucleon, using scalar and axial-vector diquarks. Single gluon rescattering is used to generate T-odd distribution functions. Different choices for the diquark polarization states are considered, as well as a few options for the form factor at the nucleon-quark-diquark vertex. The results are listed in analytic form and interpreted in terms of light-cone wave functions. The model parameters are fixed by reproducing the phenomenological parametrization of unpolarized and helicity parton distributions at the lowest available scale. Predictions for the other parton densities are given and, whenever possible, compared with available phenomenological parametrizations.

42 pages, 13 figures in .eps format. RevTeX style. Minor typos corrected, added one reference

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• Modelling quark distribution and fragmentation functions
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• Matches and mismatches in the descriptions of semi-inclusive processes at low and high transverse momentum
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• Sivers function in a spectator model with axial-vector diquarks
• Chiral-odd generalized parton distributions in constituent quark models
• Determination of polarized parton distribution functions and their uncertainties
• Transverse Quark Spin Effects and the Flavor Dependence of the Boer-Mulders Function
• Sivers Function in the MIT Bag Model
• Novel Transversity Properties in Semi-Inclusive Deep Inelastic Scattering
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• Sivers function in light-cone quark model and azimuthal spin asymmetries in pion electroproduction
• Non-zero transversity distribution of the pion in a quark-spectator-antiquark model
• Effect of Orbital Angular Momentum on Valence-Quark Helicity Distributions
• A quark model analysis of the Sivers function
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• Connection between the Sivers function and the anomalous magnetic moment
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• Single Transverse-Spin Asymmetry in Hadronic Dijet Production
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• Monte Carlo simulation of events with Drell-Yan lepton pairs from antiproton-proton collisions: the fully polarized case
• Instanton contribution to the Sivers function
• The cos 2 phi asymmetry of Drell-Yan and J/psi production in unpolarized ppbar scattering
• Monte Carlo simulation of single spin asymmetries in pion-proton collisions
• Monte Carlo simulation of the Sivers effect in high-energy proton-proton collisions
• Double transverse spin asymmetry in the $p^{\uparrow }{\bar{p}}^{\uparrow }$ Drell-Yan process from Sivers functions

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• The Spin Structure of the Nucleon
• Snowmass 2021 whitepaper: Proton structure at the precision frontier
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• On the Origin of Model Relations among Transverse-Momentum Dependent Parton Distributions
• Pretzelosity distribution function h_1T^perp and the single spin asymmetry A_UT^sin(3phi-phi_S)
• Interpretation of the Flavor Dependence of Nucleon Form Factors in a Generalized Parton Distribution Model
• Extraction of the Sivers function from SIDIS, Drell-Yan, and $W^{\pm }/Z$ boson production data with TMD evolution
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• Transverse Spin Structure of the Nucleon through Target Single Spin Asymmetry in Semi-Inclusive Deep-Inelastic $(e,e^{\prime }{\pi }^{\pm })$ Reaction at Jefferson Lab
• Global fitting of single spin asymmetry: an attempt
• Generalized quasi parton distributions in a diquark spectator model
• Naive time-reversal odd phenomena in semi-inclusive deep-inelastic scattering from light-cone constituent quark models
• Flavor dependence of unpolarized quark Transverse Momentum Distributions from a global fit
• Quark Wigner distributions in a light-cone spectator model
• N${}^3$LO extraction of the Sivers function from SIDIS, Drell-Yan, and $W^{\pm }/Z$ data
• Model calculations of the Sivers function satisfying the Burkardt Sum Rule
• Final state interactions and the transverse structure of the pion using non-perturbative eikonal methods
• Weighted azimuthal asymmetries in a diquark spectator model
• Updating Boer-Mulders functions from unpolarized pd and pp Drell-Yan data
• Wigner distributions and orbital angular momentum of a proton
• Modelling the nucleon structure
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• Observation of Transverse Spin-Dependent Azimuthal Correlations of Charged Pion Pairs in $p^{\uparrow }+p$ at $\sqrt{s}=200$ GeV
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• Analyzing the Boer-Mulders function within different quark models
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• Where do we stand with a 3-D picture of the proton?
• Nucleon parton distributions in a light-front quark model
• Gluon distributions in the proton in a light-front spectator model
• Phenomenology of transverse spin: past, present and future
• Relating transverse structure of various parton distributions
• Longitudinal-transverse double-spin asymmetries in single-inclusive leptoproduction of hadrons
• Gluon Sivers function in a light-cone spectator model
• Beam-spin asymmetries from semi-inclusive pion electroproduction
• Tomography of light mesons in light-cone quark model
• Structure of the nucleon at leading and subleading twist in the covariant parton model
• T-odd quark-gluon-quark correlation function in the diquark model
• Monte Carlo Simulations of Hadronic Fragmentation Functions using NJL-Jet Model
• Relativistic quark-diquark model of baryons with a spin-isospin transition interaction
• Gravitational form factors and angular momentum densities in light-front quark-diquark model
• Transverse momentum structure of proton within the basis light-front quantization framework
• Wilson lines in transverse-momentum dependent parton distribution functions with spin degrees of freedom
• Accessing the nucleon transverse structure in inclusive deep inelastic scattering
• Sivers Asymmetries for Inclusive Pion and Kaon Production in Deep-Inelastic Scattering
• Insights on non-perturbative aspects of TMDs from models
• A spectator-model way to transverse-momentum-dependent gluon distribution functions
• Transverse structure of electron in momentum space in basis light-front quantization
• Transverse Single Spin Asymmetry in $p+p^{\uparrow }\to J/\psi +X$
• On a possible node in the Sivers and Qiu-Sterman functions
• Transverse single-spin asymmetries of pion production in semi-inclusive DIS at subleading twist
• Sivers and Boer-Mulders GTMDs in Light-front Holographic Quark-diquark Model
• Quasi parton distribution function and quasi generalized parton distribution of the pion meson in a spectator model
• Gluon parton densities in soft-wall AdS/QCD
• Quark-gluon correlation functions relevant to single transverse spin asymmetries
• Quark Wigner distribution of the pion meson in light-cone quark model
• Azimuthal asymmetries in lepton-pair production at a fixed-target experiment using the LHC beams (AFTER)
• Beam Spin Asymmetries of Charged and Neutral Pion Productions in Semi-inclusive DIS
• Revisiting model relations between T-odd transverse-momentum dependent parton distributions and generalized parton distributions
• First global QCD analysis of the TMD ${\mathbf{g}}_{1\mathbf{T}}$ from semi-inclusive DIS data
• Prospects for quarkonium studies at the high-luminosity LHC
• Sivers and $\cos 2\varphi$ Asymmetries in Semi-inclusive Deep Inelastic Scattering in Light-front Holographic Model
• Boer-Mulders effect in the unpolarized pion induced Drell-Yan process at COMPASS within TMD factorization
• Transverse polarization of the $\Lambda$ hyperon from unpolarized quark fragmentation in the diquark model
• Leading twist GTMDs at nonzero skewness and Wigner distributions in boost-invariant longitudinal position space
• Sub-leading twist transverse momentum dependent parton distributions in the light-front quark-diquark model
• Reconstructing parton densities at large fractional momenta
• Beam single spin asymmetry of neutral pion production in semi-inclusive deep inelastic scattering
• Scaling of PDFs, TMDs, and GPDs in soft-wall AdS/QCD
• Boer-Mulders function of pion meson and $q_T$-weighted $\cos 2\varphi$ asymmetry in the unpolarized ${\pi }^{-}p$ Drell-Yan at COMPASS
• Quark Wigner Distributions and GTMDs of Pion in the Light-Front Holographic Model
• Twist-4 T-even proton TMDs in the light-front quark-diquark model
• Several Topics on Transverse Momentum-Dependent Fragmentation Functions
• Combining nonperturbative transverse momentum dependence with TMD evolution
• A journey into the proton structure: Progresses and challenges
• Transverse momentum distributions of valence quark in light and heavy vector mesons
• Quark generalized TMDs at skewness and Wigner Distribution in boost invariant longitudinal space
• Intrinsic Transverse Momentum and Evolution in Weighted Spin Asymmetries
• Towards leading-twist $T$-odd TMD gluon distributions
• Monte Carlo Implementation of Polarized Hadronization
• Single-spin asymmetry in dihadron production in SIDIS off the longitudinally polarized nucleon target
• The $\cos 2\varphi$ azimuthal asymmetry of unpolarized dilepton production at the $Z$-pole
• Double Spin Asymmetries $A_{LT}^{\cos {\varphi }_S}$ and $A_{LT}^{\cos (2{\varphi }_h-{\varphi }_S)}$ in semi-inclusive DIS
• First Extraction of Transverse Momentum Dependent Helicity Distributions
• Quark Structure of the Nucleon and Angular Asymmetry of Proton-Neutron Hard Elastic Scattering
• Exploring twist-4 chiral-even GPDs in the light-front quark-diquark model
• Azimuthal asymmetries in single polarized proton-proton Drell-Yan processes
• Probing pretzelosity $h_{1T}^{\perp }$ via the polarized proton-antiproton Drell-Yan process
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• Quark spin-orbit correlations in the pion meson in light-cone quark model
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• Generalized form factors of the nucleon in a light-cone spectator-diquark model
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• Wigner distributions and GTMDs in a proton using light-front quark-diquark model
• Unraveling sub-leading twist GTMDs of proton using LFQDM
• Light-Front Transverse Momentum Distributions for $\mathcal{J}$=1/2 Hadronic Systems in Valence Approximation
• Quark angular momentum in a spectator model
• Colour unwound - disentangling colours for azimuthal asymmetries in Drell-Yan scattering
• Suppression of Spin Transfer to $\Lambda$ Hyperon in Deep-Inelastic Scattering
• Double Collins effect in $e^{+}{e}^{-}\to \Lambda \bar{\Lambda }X$ process in a diquark spectator model
• Spin Orbit Correlations and the Structure of the Nucleon
• Chiral expansion of moments of quark distributions
• Predicting the $\sin {\varphi }_S$ Single-Spin-Asymmetry of $\Lambda$ Production off transversely polarized nucleon in SIDIS
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• TMD Relations: Insights from a Light-Front Quark-Diquark Model
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• Single Transverse Spin Asymmetries in Semi-inclusive Deep Inelastic Scattering in a Spin-1 Diquark Model
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• The cos${\varphi }_R$ asymmetry of dihadron production in double longitudinally polarized SIDIS
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• Left-right asymmetry for pion and kaon production in the semi-inclusive deep inelastic scattering process
• Diquark correlations in baryons: the Interacting Quark Diquark Model
• Single-spin asymmetries in SIDIS induced by anomalous gluon-quark and photon-quark couplings
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• Generalized Parton Distributions of Pions. Spin Structure of Hadrons
• Chiral-odd generalized parton distributions for the low-lying octet baryons
• The quark quasi Sivers function and quasi Boer-Mulders function in a spectator diquark model
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• Parton distributions and $\cos 2{\varphi }_h$ asymmetry induced by anomalous photon-quark coupling
• T-odd Wigner Distributions in boost-invariant longitudinal position space and Spin-momentum correlation in proton
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• Transversity studies with protons and light nuclei
• Recent developments in nucleon spin structure with focus on h_{1L}^{\perp} and pretzelosity h_{1T}^\perp
• Relations between generalized parton distributions and transverse momentum dependent parton distributions
• Leading and higher twist transverse momentum dependent parton distribution functions in the spectator model
• Role of higher twist distributions in the tomography of proton
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• Heavy-flavor multimodal fragmentation to $S$-wave pentacharms at next-generation hadron colliders
• Tomography of Pions and Kaons in the QCD Vacuum: Transverse Momentum Dependent Parton Distribution Functions