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Related papers: Sivers Tomography from Charge and Angle Only

200 papers

The spin asymmetries in SIDIS associated with $T$-odd TMDs are presented in a light-front quark-diquark model of a proton. To incorporate the effects of the final state interaction, the light front wave functions are modified to have a…

High Energy Physics - Phenomenology · Physics 2018-01-31 Tanmay Maji , Dipankar Chakrabarti , Asmita Mukherjee

We study the single-spin (left-right) asymmetry in single-inclusive pion production in hadronic scattering. This asymmetry is power-suppressed in the transverse momentum of the produced pion and can be analyzed in terms of twist-three…

High Energy Physics - Phenomenology · Physics 2008-11-26 Chris Kouvaris , Jian-Wei Qiu , Werner Vogelsang , Feng Yuan

The perspectives of two new nonstandard methods of transversal quark polarization measurement are considered: the jet handedness and the so-called "Collins effect" due to spin dependent T-odd fragmentation function responsible for the…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. V. Efremov

We provide the first rigorous numerical analysis of the longitudinal-transverse double-spin asymmetry $A_{LT}$ in electron-nucleon and proton-proton collisions for the case where only a single pion, jet, or photon is detected in the final…

High Energy Physics - Phenomenology · Physics 2023-01-05 Brandon Bauer , Daniel Pitonyak , Cody Shay

The single-spin asymmetry of unpolarized leptons scattering deep-inelastically off transversely polarized nucleons is studied in a partonic picture within a collinear twist-3 framework. Since this observable is generated by multi-photon…

High Energy Physics - Phenomenology · Physics 2013-02-28 Marc Schlegel

Approximate relations among transverse momentum dependent quark distribution functions are established in the framework of the QCD parton model. The validity of such results survives QCD evolution effects, owing to the Politzer theorem on…

High Energy Physics - Phenomenology · Physics 2011-08-01 Elvio Di Salvo

Electron charge transport through a quantum point contact (QPC) driven by an asymmetric spin bias is studied. A large charge current is induced when the transmission coefficient of the QPC jumps from one integer plateau to the next.…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Yanxia Xing , Qing-feng Sun , Jian Wang

In this second of three articles on the optical absorption of electrons in a half-filled Peierls-distorted chain we present exact results for strongly correlated tight-binding electrons. In the limit of a strong on-site interaction $U$ we…

Condensed Matter · Physics 2015-06-25 F. Gebhard , K. Bott , M. Scheidler , P. Thomas , S. W. Koch

The $N$-point energy correlator measures the energy flux through $N$ detectors. We present a general framework that characterizes its full angular dependence in a series of \textit{spinning energy correlators}. These spinning correlators…

High Energy Physics - Phenomenology · Physics 2025-12-22 Marc Riembau , Minho Son

We present an oscillator modeling of the relativistic spin-0 charges moving in the quantum states with minimum coupling of electromagnetic fields. Rather than perturbative approach to spinless regime, we put into operation directly under…

Quantum Physics · Physics 2022-08-10 Sami Ortakaya

Measurements of the polarization and spin correlation in top quark pairs ($\mathrm{t\bar{t}}$) are presented using events with a single electron or muon and jets in the final state. The measurements are based on proton-proton collision data…

High Energy Physics - Experiment · Physics 2025-01-09 CMS Collaboration

The Sivers effect in single hadron semi-inclusive deep inelastic scattering (DIS) on a transversely polarized nucleon describes the modulation of the cross section with the sine of the azimuthal angle between the produced hadron's…

High Energy Physics - Phenomenology · Physics 2014-08-13 Aram Kotzinian , Hrayr H. Matevosyan , Anthony W. Thomas

We investigate the total scattering cross section ($\sigma$), differential cross section ($\frac{d\sigma}{dQ^2}$), the longitudinal ($A_L(E_e,Q^2)$) and perpendicular ($A_P(E_e,Q^2)$) spin asymmetries of the polarized target proton, as well…

High Energy Physics - Phenomenology · Physics 2026-04-02 A. Fatima , M. Sajjad Athar , S. K. Singh

The production of D mesons in the scattering of transversely polarized protons off unpolarized protons at RHIC offers a clear opportunity to gain information on the Sivers gluon distribution function. D production at intermediate rapidity…

High Energy Physics - Phenomenology · Physics 2009-11-10 M. Anselmino , M. Boglione , U. D'Alesio , E. Leader , F. Murgia

Breaking of the inversion symmetry at the interface between different materials may dramatically enhance spin-orbit interaction in the vicinity of the interface. We incorporate the effects of this interfacial spin-orbit coupling (ISOC) into…

Mesoscale and Nanoscale Physics · Physics 2019-06-12 Juan Borge , Ilya V. Tokatly

Heavy flavour production like $J/\psi$ and $D$- meson production in scattering of electrons/unpolarized protons off polarized proton target offer promising probes to investigate gluon Sivers function. In this talk, I will summarize our…

High Energy Physics - Phenomenology · Physics 2017-03-08 Rohini M. Godbole , Abhiram Kaushik , Anuradha Misra , Vaibhav Rawoot , Bipin Sonawane

In a perturbative QCD approach, with inclusion of spin and transverse momentum effects, experimental data on azimuthal asymmetries observed in polarized semi-inclusive deeply inelastic scattering and e+ e- annihilations can be used to…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Boglione , U. D'Alesio , F. Murgia

The Sivers function, an asymmetric transverse-momentum distribution of the quarks in a transversely polarized nucleon, is calculated in the MIT bag model. The bag quark wave functions contain both $S$-wave and $P$-wave components, and their…

High Energy Physics - Phenomenology · Physics 2015-06-25 Feng Yuan

The SIDIS transverse spin asymmetries weighted with powers of $P_T$, the hadron transverse momentum in the $\gamma N$ reference system,have been introduced already twenty years ago and are considered quite interesting. While the amplitudes…

High Energy Physics - Experiment · Physics 2017-02-03 Franco Bradamante

Charged-particle distributions are measured in proton-proton collisions at a centre-of-mass energy of 13 TeV, using a data sample of nearly 9 million events, corresponding to an integrated luminosity of 170 $\mu$b$^{-1}$, recorded by the…

High Energy Physics - Experiment · Physics 2016-11-18 ATLAS Collaboration