F. Murgia

activity

19932025

most citedTransversity and Collins functions from SIDIS and e+e- data

308 citations · 3.5k across the 125 of their papers we have counts for

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124 papers · 1 filter

hep-ph2025

First insight into transverse-momentum-dependent fragmentation physics at photon-photon colliders

Simone Anedda, Francesco Murgia, Cristian Pisano

Future planned lepton colliders, both in the circular and linear configurations, can effectively work as virtual and quasi-real photon-photon colliders and are expected to stimulat…

hep-ph2024★ 2 cited

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.

hep-ph2024

Transverse $Λ$ polarization in unpolarized $pp \to jet Λ^{↑} X$

Umberto D'Alesio, Leonard Gamberg, Francesco Murgia +1

In this Letter, we investigate the spontaneous transverse polarization of $Λ$ hyperons produced in unpolarized $pp$ collisions inside a jet, by adopting a TMD approach where transv…

hep-ph2024

Simultaneous reweighting of Transverse Momentum Dependent distributions

Mariaelena Boglione, Umberto D'Alesio, Carlo Flore +3

The Bayesian reweighting procedure is extended to the case of multiple independent extractions of transverse momentum dependent parton distributions (TMDs). By exploiting the data…

hep-ph2023

Transverse $Λ$ polarization in $e^{+} e^{-}$ annihilations and in SIDIS processes at the EIC within TMD factorization

Umberto D'Alesio, Leonard Gamberg, Francesco Murgia +1

We present a phenomenological study on the role of charm contribution and $S U (2)$ isospin symmetry in the extraction of the $Λ$ polarizing fragmentation functions from $e^+e^- \to…

hep-ph2023★ 14 cited

The case for an EIC Theory Alliance: Theoretical Challenges of the EIC

Raktim Abir, Igor Akushevich, Tolga Altinoluk +167

We outline the physics opportunities provided by the Electron Ion Collider (EIC). These include the study of the parton structure of the nucleon and nuclei, the onset of gluon satu…

hep-ph2023★ 4 cited

$J / ψ$ polarization in large- $P_{T}$ semi-inclusive deep-inelastic scattering at the EIC

Umberto D'Alesio, Luca Maxia, Francesco Murgia +2

We present a detailed phenomenological study of $J / ψ$ polarization in semi-inclusive deep inelastic scattering processes, focusing on the kinematics accessible at the future Electr…

hep-ph2022★ 12 cited

Transverse $Λ$ polarization in $e^{+} e^{-}$ processes within a TMD factorization approach and the polarizing fragmentation function

Umberto D'Alesio, Leonard Gamberg, Francesco Murgia +1

We perform a re-analysis of Belle data for the transverse $Λ$ and $Λ ˉ$ polarization in $e^{+} e^{-}$ annihilation processes within a transverse momentum dependent (TMD) factorizatio…

hep-ph2022★ 2 cited

Extracting the $Λ$ Polarizing Fragmentation Function from Belle $e^{+} e^{-}$ Data Within the TMD Formalism

Marco Zaccheddu, Umberto D'Alesio, Leonard Gamberg +1

Data from the Belle Collaboration for associated production (with a light unpolarized hadron) and single-inclusive production of transversely polarized $Λ$ -hyperons in $e^{+} e^{-}$ ann…

hep-ph2022

Gluon TMDs and inelastic $J / ψ$ leptoproduction at the EIC

U. D'Alesio, A. Mukherjee, F. Murgia +2

We study the Sivers azimuthal asymmetry for $J / ψ$ production in semi-inclusive deep inelastic scattering, and the still poorly known gluon Sivers function. We concentrate on the $J…

hep-ph2022★ 39 cited

Snowmass 2021 White Paper: Electron Ion Collider for High Energy Physics

R. Abdul Khalek, U. D'Alesio, M. Arratia +105

Electron Ion Collider (EIC) is a particle accelerator facility planned for construction at Brookhaven National Laboratory on Long Island, New York by the United States Department o…

hep-ph2022

General Helicity Formalism for Two-hadron Production in $e^{+} e^{-}$ Collisions and the $Λ$ Polarizing Fragmentation Function

Umberto D'Alesio, Francesco Murgia, Marco Zaccheddu

We present the complete structure of the azimuthal dependences and polarization observables for two-hadron production in $e^{+} e^{-}$ annihilation processes within a transverse momentu…

hep-ph2021

$J / ψ$ polarization in semi-inclusive DIS at low and high transverse momentum

Umberto D'Alesio, Luca Maxia, Francesco Murgia +2

We study the polar and azimuthal decay angular distributions of $J / ψ$ mesons produced in semi-inclusive, deep-inelastic electron-proton scattering. For the description of the quark…

hep-ph2021★ 21 cited

General helicity formalism for two-hadron production in $e^{+} e^{-}$ annihilation within a TMD approach

Umberto D'Alesio, Francesco Murgia, Marco Zaccheddu

We present the complete leading-order results for the azimuthal dependences and polarization observables in $e^{+} e^{-} \to h_{1} h_{2} + X$ processes, where the two hadrons are produced al…

hep-ph2021

Sivers asymmetry in inelastic $J / ψ$ leptoproduction at the EIC

Sangem Rajesh, Umberto D'Alesio, Asmita Mukherjee +2

We study the Sivers asymmetry in inelastic $J / ψ$ leptoproduction, $e p^{↑} \to e + J / ψ + X$ , within a transverse momentum dependent scheme, the so-called generalized parton model…

hep-ph2021

$Λ$ polarizing fragmentation function from Belle $e^{+} e^{-}$ data

Umberto D'Alesio, Francesco Murgia, Marco Zaccheddu

Experimental data from Belle Collaboration for the transverse polarization of $Λ$ 's measured in $e^{+} e^{-}$ annihilation processes are used to extract the polarizing fragmentation fu…

hep-ph2021

Reweighting the quark Sivers function with STAR jet data

Carlo Flore, Maria Elena Boglione, Umberto D'Alesio +3

The Bayesian reweighting procedure is applied for the first time to a TMD distribution, the quark Sivers function extracted from SIDIS data. By exploiting the recent published sing…

hep-ph2021★ 10 cited

Reweighting the Sivers function with jet data from STAR

Mariaelena Boglione, Umberto D'Alesio, Carlo Flore +3

The reweighting procedure that using Bayesian statistics incorporates the information contained in a new data set, without the need of re-fitting, is applied to the quark Sivers fu…

hep-ph2020★ 2 cited

Investigating the transverse momentum dependent gluon Sivers function in quarkonium production at $pp$ colliders

U. D'Alesio, F. Murgia, C. Pisano

In this contribution, we will present a short overview of the transverse momentum dependent (TMD) approach as a tool for studying the 3-dimensional structure of hadrons in high-ene…

hep-ph2020★ 24 cited

Process dependence of the gluon Sivers function in $p^{↑} p \to J / ψ + X$ within a TMD approach in NRQCD

Umberto D'Alesio, Luca Maxia, Francesco Murgia +2

We consider the transverse single-spin asymmetry (SSA) for $J / ψ$ production in $p^{↑} p \to J / ψ + X$ within a TMD approach in non-relativistic QCD. Extending a previous study […

hep-ph2020

$J / ψ$ meson production in SIDIS: matching high and low transverse momentum

Daniël Boer, Umberto D'Alesio, Francesco Murgia +2

We consider the transverse momentum spectrum and the $cos 2 ϕ$ azimuthal distribution of $J / ψ$ mesons produced in semi-inclusive, deep-inelastic electron-proton scattering, where t…

hep-ph2019★ 2 cited

Single-spin asymmetries in $p^{↑} p \to J / ψ + X$ within a TMD approach: role of the color octet mechanism

Umberto D'Alesio, Francesco Murgia, Cristian Pisano +1

We calculate the transverse single-spin asymmetry (SSA) for $J / ψ$ production in proton-proton collisions, within non-relativistic QCD, employing the transverse momentum dependent,…

hep-ph2019

Quarkonium production and TMDs at LHC

U. D'Alesio, F. Murgia, C. Pisano +1

In this contribution we briefly discuss an ongoing phenomenological programme on quarkonium production in unpolarized and polarized proton-proton collisions in a fixed target setup…

hep-ph2019

The gluon Sivers function and its process dependence from RHIC data

Cristian Pisano, Umberto D'Alesio, Carlo Flore +2

We present a phenomenological analysis of available data on single spin asymmetries for pion and $D$ meson production in proton-proton collisions at RHIC within the color gauge inv…

First insight into transverse-momentum-dependent fragmentation physics at photon-photon colliders

Physics case for quarkonium studies at the Electron Ion Collider

Transverse Λ polarization in unpolarized pp→jetΛ↑X

Simultaneous reweighting of Transverse Momentum Dependent distributions

Transverse Λ polarization in e+e− annihilations and in SIDIS processes at the EIC within TMD factorization

The case for an EIC Theory Alliance: Theoretical Challenges of the EIC

J/ψ polarization in large-PT​ semi-inclusive deep-inelastic scattering at the EIC

Transverse Λ polarization in e+e− processes within a TMD factorization approach and the polarizing fragmentation function

Extracting the Λ Polarizing Fragmentation Function from Belle e+e− Data Within the TMD Formalism

Gluon TMDs and inelastic J/ψ leptoproduction at the EIC

Snowmass 2021 White Paper: Electron Ion Collider for High Energy Physics

General Helicity Formalism for Two-hadron Production in e+e− Collisions and the Λ Polarizing Fragmentation Function

J/ψ polarization in semi-inclusive DIS at low and high transverse momentum

General helicity formalism for two-hadron production in e+e− annihilation within a TMD approach

Sivers asymmetry in inelastic J/ψ leptoproduction at the EIC

Λ polarizing fragmentation function from Belle e+e− data

Reweighting the quark Sivers function with STAR jet data

Reweighting the Sivers function with jet data from STAR

Investigating the transverse momentum dependent gluon Sivers function in quarkonium production at pp colliders

Process dependence of the gluon Sivers function in p↑p→J/ψ+X within a TMD approach in NRQCD

J/ψ meson production in SIDIS: matching high and low transverse momentum

Single-spin asymmetries in p↑p→J/ψ+X within a TMD approach: role of the color octet mechanism

Quarkonium production and TMDs at LHC

The gluon Sivers function and its process dependence from RHIC data

Transverse $Λ$ polarization in unpolarized $pp \to jet Λ^{↑} X$

Transverse $Λ$ polarization in $e^{+} e^{-}$ annihilations and in SIDIS processes at the EIC within TMD factorization

$J / ψ$ polarization in large- $P_{T}$ semi-inclusive deep-inelastic scattering at the EIC

Transverse $Λ$ polarization in $e^{+} e^{-}$ processes within a TMD factorization approach and the polarizing fragmentation function

Extracting the $Λ$ Polarizing Fragmentation Function from Belle $e^{+} e^{-}$ Data Within the TMD Formalism

Gluon TMDs and inelastic $J / ψ$ leptoproduction at the EIC

General Helicity Formalism for Two-hadron Production in $e^{+} e^{-}$ Collisions and the $Λ$ Polarizing Fragmentation Function

$J / ψ$ polarization in semi-inclusive DIS at low and high transverse momentum

General helicity formalism for two-hadron production in $e^{+} e^{-}$ annihilation within a TMD approach

Sivers asymmetry in inelastic $J / ψ$ leptoproduction at the EIC

$Λ$ polarizing fragmentation function from Belle $e^{+} e^{-}$ data

Investigating the transverse momentum dependent gluon Sivers function in quarkonium production at $pp$ colliders

Process dependence of the gluon Sivers function in $p^{↑} p \to J / ψ + X$ within a TMD approach in NRQCD

$J / ψ$ meson production in SIDIS: matching high and low transverse momentum

Single-spin asymmetries in $p^{↑} p \to J / ψ + X$ within a TMD approach: role of the color octet mechanism