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We report the results of a new measurement of spin structure functions of the deuteron in the region of moderate momentum transfer ($Q^2$ = 0.27 -- 1.3 (GeV/c)$^2$) and final hadronic state mass in the nucleon resonance region ($W$ = 1.08…

High Energy Physics - Experiment · Physics 2019-08-15 J. Yun , S. E. Kuhn , G. E. Dodge , T. A. Forest , M. Taiuti

The spin structure function of the neutron is traditionally determined by measuring the spin asymmetry of inclusive electron deep inelastic scattering (DIS) off polarized3He nuclei. In such experiments, nuclear effects can lead to large…

The NA61/SHINE spectrometer at the CERN Super Proton Synchrotron (SPS) scans particle production in collisions of nuclei with various sizes at a set of energies covering the SPS energy range towards various physics goals. This paper…

Nuclear Experiment · Physics 2026-03-25 Anirvan Shukla

The physics programme for a possible fixed target polarized nucleon-nucleon collision experiment aiming at studying the nucleon spin structure at HERA is described. The experiment named HERA-N could be realized using an internal polarized…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. Korotkov , W. -D. Nowak

The physics of polarized nucleon--nucleon collisions originating from an internal polarized target in the HERA proton beam is investigated. Based on 240 pb^-1 integrated luminosity at 40 GeV c.m. energy, statistical sensitivities are given…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Anselmino , E. Andreeva , V. Korotkov , F. Murgia , W. -D. Nowak , S. Nurushev , O. Teryaev , A. Tkabladze

The experiment E155 at SLAC measured the spin structure functions g_1 and g_2 of the proton and deuteron. The experiment used deep inelastic scattering of 48.3 GeV longitudinally polarized electrons incident on polarized solid ^{15}NH_3 and…

High Energy Physics - Experiment · Physics 2007-05-23 Gregory S. Mitchell

In the following we stress the advantages of the NICA research programme in the context of studying the spectator-induced electromagnetic phenomena present in proton-nucleus and heavy ion collisions. We point at the specific interest of…

Nuclear Theory · Physics 2013-01-23 Andrzej Rybicki , Antoni Szczurek , Mariola Klusek-Gawenda , Iwona Sputowska

A systematic analysis of nucleon-nucleon scattering amplitudes is available up to a laboratory energy of $3$~GeV in case of the $pp$ system and up to $1.2$ GeV for $pn$. At higher energies there is only incomplete experimental information…

Nuclear Theory · Physics 2020-11-10 Yu. N. Uzikov , J. Haidenbauer , A. Bazarova , A. A. Temerbayev

The Hermes experiment studies the spin structure of the nucleon using the 27.6 GeV longitudinally polarized positron beam of HERA and an internal target of pure gases. In addition to the well-known spin structure function g_1, measured…

High Energy Physics - Experiment · Physics 2019-08-15 Marco Contalbrigo

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

The space-time picture of hadron formation in high-energy collisions with nuclear targets is still poorly known. The tests of hadron formation was suggested for the first stage of SPD running. They will require measuring charged pion and…

Instrumentation and Detectors · Physics 2024-08-22 R. Pandey

Progress in STAR over the last two years and projections for the coming two years are discussed. Important technical developments have been the completion of the barrel and endcap electromagnetic calorimeters. Measurement of inclusive pi_0…

High Energy Physics - Experiment · Physics 2017-08-23 J. Sowinski

We develop the theoretical framework for semi-inclusive deep-inelastic scattering on a polarized spin-1 target and apply it to scattering on the polarized deuteron with spectator nucleon tagging. In Part I (previous article) we present the…

High Energy Physics - Phenomenology · Physics 2026-03-26 W. Cosyn , C. Weiss

We review how RHIC is expected to deepen our understanding of the spin structure of longitudinally polarized nucleons. After briefly outlining the current status of spin-dependent parton densities and pointing out open questions, we focus…

High Energy Physics - Phenomenology · Physics 2009-11-07 Marco Stratmann

Several important and unique measurements, within the standard model and of possible physics beyond it, could be made with {\em polarized HERA} in which both the proton and the electron beams are polarized. With a $\sim$820 GeV proton beam…

High Energy Physics - Experiment · Physics 2007-05-23 A. Deshpande

We discuss the studies on structure functions at the possible future RCNP facility. At this stage, an electron-proton or proton-proton collider with sqrt{s}=5 - 10 GeV is considered. We explain large-x physics, nuclear modification of…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Hino , S. Kumano

We propose to analyze CLAS12 RG-C data to study the tensor transverse-momentum-dependent parton distribution functions (TMDs) on deuteron data. The deuteron is the lightest nucleus with spin-1, in essence a weakly bound system of two…

High Energy Physics - Phenomenology · Physics 2025-06-13 Jiwan Poudel , Alessandro Bacchetta , Jian-Ping Chen , Dustin Keller , Ishara Fernando , Elena Long , David Ruth , Nathaly Santiesteban , Karl Slifer

The Electron-Ion Collider (EIC) will provide a unique experimental platform to explore the properties of gluons in nucleons and nuclei, offering new insights into their structure and dynamics. The EIC community has outlined a detailed…

Nuclear Experiment · Physics 2025-12-17 Jihee Kim

Transverse spin physics is an important part of the scientific programme of the COMPASS experiment at CERN, which started taking data in 2002, scattering 160 GeV/c muon beam on a polarized $^6$LiD target. The analysis of the data taken with…

High Energy Physics - Experiment · Physics 2007-05-23 F. Bradamante

Detailed measurements of five-fold differential cross sections and a rich set of vector and tensor analyzing powers of the 2H(d; dp)n break-up process using polarized deuteron-beam energy of 65 MeV/nucleon with a liquid-deuterium target are…