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Electron scattering will provide the most direct information about charge distribution in exotic nuclei. A technical proposal for an electron-heavy-ion collider has been incorporated in the GSI/Germany physics program (spokesperson: Haik…

Nuclear Theory · Physics 2007-05-23 C. A. Bertulani

Understanding how sea quarks behave inside a nucleon is one of the most important physics goals of the proposed Electron-Ion Collider in China (EicC), which is designed to have 3.5 GeV polarized electron beam (80% polarization) colliding…

High Energy Physics - Phenomenology · Physics 2021-08-18 Daniele Paolo Anderle , Tie-Jiun Hou , Hongxi Xing , Mengshi Yan , C. -P. Yuan , Yuxiang Zhao

Recent progress in the field of spin physics of high energy particle interactions is reviewed with particular emphasis on the spin structure functions as measured in polarized deep inelastic lepton-nucleon scattering (DIS). New measurements…

High Energy Physics - Experiment · Physics 2011-07-19 Uta Stosslein

Polarized electron-deuteron deep-inelastic scattering (DIS) with detection of the spectator proton ("tagged DIS") enables measurements of neutron spin structure with maximal control of nuclear effects. We calculate the longitudinal spin…

High Energy Physics - Phenomenology · Physics 2019-11-15 W. Cosyn , C. Weiss

At small x, the gluon distribution dominates the nuclear wave function. The increase needs to be tamed in avoid violating unitarity constraints. The most efficient way to study this in colliders is through e+A collisions as the nucleus is…

Nuclear Experiment · Physics 2008-07-02 Matthew Lamont

Interference terms between monopole and quadrupole Coulomb form factors that contribute to the cross-section of electron scattering from polarized nuclei are studied within the plane wave Born approximation. By experimentally exploring the…

Nuclear Theory · Physics 2024-02-14 Pedro Sarriguren

The threshold region for processes of hadronic and nuclear interactions is very interesting for a theoretical as well as an experimental point of view. In this region one can apply different physical methods, starting from classical current…

Nuclear Theory · Physics 2007-05-23 Egle Tomasi-Gustafsson , Michail P. Rekalo

The upcoming Electron-Ion Collider (EIC) will address several outstanding puzzles in modern nuclear physics. Key questions-such as the partonic structure of nucleons and nuclei and the origin of their mass and spin-can be explored through…

Nuclear Experiment · Physics 2026-02-26 Wan Chang , Elke-Caroline Aschenauer , Alexander Jentsch , Arjun Kumar , Zhoudunming Tu , Zhongbao Yin

I will summarize the physics that can be investigated with polarized pp collisions. It is technically feasible to use the RHIC collider for accelerating highly polarized protons to a center-of-mass energy of about 400 GeV, with high…

High Energy Physics - Phenomenology · Physics 2007-05-23 John C. Collins

Spontaneous nuclear polarization is predicted in double quantum dots in the spin-blocked electron transport regime. The polarization results from an instability of the zero-polarization state when singlet and triplet electron energy levels…

Mesoscale and Nanoscale Physics · Physics 2010-08-23 M. S. Rudner , L. S. Levitov

We suggest a new spin orientation mechanism for localized electrons: $dynamic~electron~spin~polarization~provided~by~nuclear~spin~fluctuations$. The angular momentum for the electrons is gained from the nuclear spin system via the hyperfine…

Mesoscale and Nanoscale Physics · Physics 2020-10-14 D. S. Smirnov , T. S. Shamirzaev , D. R. Yakovlev , M. Bayer

The STAR experiment at the Relativistic Heavy-Ion Collider at Brookhaven National Laboratory is carrying out a spin physics program in high-energy polarized $\vec{p}+\vec{p}$ collisions at $\sqrt{s}=200-500\,$GeV to gain a deeper insight…

High Energy Physics - Experiment · Physics 2019-08-13 Bernd Surrow

A U.S.-based Electron-Ion Collider will provide the ultimate capability to determine both the structure and properties of nucleons and nuclei, as well as how matter and energy can be transported through a strongly interacting quantum…

High Energy Physics - Phenomenology · Physics 2019-12-24 Ivan Vitev

In our previous work [Phys. Rev. Lett. 128, 182002 (2022)], we introduced a pioneering observable aimed at experimentally detecting the orbital angular momentum (OAM) of gluons. Our focus was on the longitudinal double spin asymmetry…

High Energy Physics - Phenomenology · Physics 2024-04-08 Shohini Bhattacharya , Renaud Boussarie , Yoshitaka Hatta

The behavior of the nucleon structure functions in lepton nuclei deep inelastic scattering, both polarized and unpolarized, due to nuclear structure effects is reanalyzed. The study is performed in two schemes: an x-rescaling approach, and…

High Energy Physics - Phenomenology · Physics 2015-06-19 H. Fanchiotti , C. A. García-Canal , T. Tarutina , V. Vento

We discuss some recent developments concerning the nucleon's helicity parton distribution functions: New preliminary data from jet production at RHIC suggest for the first time a non-vanishing polarization of gluons in the nucleon. SIDIS…

High Energy Physics - Phenomenology · Physics 2015-06-03 D. de Florian , R. Sassot , M. Stratmann , W. Vogelsang

This volume is a collection of contributions for the 7-week program "Probing Nucleons and Nuclei in High Energy Collisions" that was held at the Institute for Nuclear Theory in Seattle, WA, USA, from October 1 until November 16, 2018. The…

High Energy Physics - Phenomenology · Physics 2025-01-08 Christine A. Aidala , Elke Aschenauer , Fatma Aslan , Alessandro Bacchetta , Ian Balitsky , Sanjin Benic , Shohini Bhattacharya , Mariaelena Boglione , Matthias Burkardt , Justin Cammarota , Giovanni A. Chirilli , Christopher Cocuzza , Aurore Courtoy , Daniel de Florian , Pasquale Di Nezza , Adrian Dumitru , Sara Fucini , Kenji Fukushima , Yulia Furletova , Leonard Gamberg , Oscar Garcia-Montero , François Gelis , Vadim Guzey , Yoshitaka Hatta , Francesco Hautmann , Timothy J. Hobbs , Tanja Horn , Edmond Iancu , Sylvester Joosten , Zhong-Bo Kang , Raj Kishore , Yuri V. Kovchegov , Peter Kroll , Krešimir Kumerički , Krzysztof Kutak , Tuomas Lappi , Huey-Wen Lin , Xiaohui Liu , Simonetta Liuti , Cédric Lorcé , Heikki Mäntysaari , Cyrille Marquet , Yiannis Makris , Kiminad A. Mamo , Yacine Mehtar-Tani , Andreas Metz , Zein-Eddine Meziani , Gerald A. Miller , Joshua Miller , Asmita Mukherjee , Pavel M. Nadolsky , Fredrick I. Olness , Barbara Pasquini , Bernard Pire , Cristian Pisano , Daniel Pitonyak , Maxim V. Polyakov , Alexei Prokudin , Jian-Wei Qiu , Marco Radici , Abha Rajan , Sangem Rajesh , Matteo Rinaldi , Kaushik Roy , Christophe Royon , Nobuo Sato , Marc Schlegel , Gunar Schnell , Peter Schweitzer , Sergio Scopetta , Ralf Seidl , Kirill Semenov-Tian-Shansky , Andrea Signori , Daria Sokhan , Anna M. Stasto , Lech Szymanowski , Andrey Tarasov , Dionysios Triantafyllopoulos , Thomas Ullrich , Raju Venugopalan , Ivan Vitev , Werner Vogelsang , Anselm Vossen , Bo-Ting Wang , Samuel Wallon , Kazuhiro Watanabe , Christian Weiss , Bo-Wen Xiao , Ho-Ung Yee , Yong Zhao

The requirements for hadron polarimetry at the future Electron Ion Collider (EIC) include measurements of the absolute helion ($^3$He, $h$) beam polarization with systematic uncertainties better than $\sigma^\text{syst}_P/P\le1\%$.…

High Energy Physics - Phenomenology · Physics 2023-08-09 Andrei Poblaguev

The goal of the LHCspin project is to develop innovative solutions for measuring the 3D structure of nucleons in high-energy polarized fixed-target collisions at LHC, exploring new processes and exploiting new probes in a unique, previously…

Hadron spin physics is now one of the most active fields of physics. Especially in the last ten years, great progress has been made both theoretically and experimentally that has considerably improved our knowledge of the spin structure of…

High Energy Physics - Phenomenology · Physics 2009-10-31 Jiro Kodaira , Kazuhiro Tanaka