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We investigate polarized deuteron structure functions at small values of the Bjorken variable, x < 0.1. In this region contributions from the coherent interaction of diffractively excited hadronic states with both nucleons become important.…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. Edelmann , G. Piller , W. Weise

We study diffractive vector meson production at small-$x$ in the collision of electrons and polarized deuterons $e+d^{\uparrow}$. We consider the polarization dependence of the nuclear wave function of the deuteron, which results in an…

Nuclear Theory · Physics 2024-08-27 Heikki Mäntysaari , Farid Salazar , Björn Schenke , Chun Shen , Wenbin Zhao

We propose a new method for extracting neutron structure functions from inclusive structure functions of nuclei. Unlike earlier approaches, the new method is applicable to both spin-averaged and spin-dependent structure functions. We test…

Nuclear Theory · Physics 2014-11-18 Yonatan Kahn , W. Melnitchouk , S. A. Kulagin

Measurement of the tensor electric and magnetic polarizabilities of the deuteron is of great interest, especially in connection with the possibilities of COSY and GSI. These polarizabilities can be measured in storage rings by the frozen…

Nuclear Experiment · Physics 2011-06-02 Vladimir G. Baryshevsky , Alexander J. Silenko

The spin structure functions of the proton and the deuteron were measured during the EG4 experiment at Jefferson Lab in 2006. Data were collected for longitudinally polarized electron scattering off longitudinally polarized NH$_3$ and…

Nuclear Experiment · Physics 2026-01-06 A. Deur , S. E. Kuhn , M. Ripani , X. Zheng , A. G. Acar , P. Achenbach , K. P. Adhikari , J. S. Alvarado , M. J. Amaryan , W. R. Armstrong , H. Atac , H. Avakian , L. Baashen , N. A. Baltzell , L. Barion , M. Bashkanov , M. Battaglieri , B. Benkel , F. Benmokhtar , A. Bianconi , A. S. Biselli , W. A. Booth , F. B ossu , P. Bosted , S. Boiarinov , K. Th. Brinkmann , W. J. Briscoe , S. Bueltmann , V. D. Burkert , D. S. Carman , P. Chatagnon , J. P. Chen , G. Ciullo , P. L. Cole , M. Contalbrigo , V. Crede , A. D'Angelo , N. Dashyan , R. De Vita , M. Defurne , S. Diehl , C. Djalali , V. A. Drozdov , R. Dupre , H. Egiyan , A. El Alaoui , L. El Fassi , L. Elouadrhiri , P. Eugenio , J. C. Faggert , S. Fegan , R. Fersch , A. Filippi , K. Gates , G. Gavalian , G. P. Gilfoyle , R. W. Gothe , L. Guo , H. Hakobyan , M. Hattawy , F. Hauenstein , D. Heddle , A. Hobart , M. Holtrop , D. G. Ireland , E. L. Isupov , H. Jiang , H. S. Jo , S. Joosten , H. Kang , C. Keith , M. Khandaker , W. Kim , F. J. Klein , V. Klimenko , P. Konczykowski , K. Kovacs , A. Kripko , V. Kubarovsky , L. Lanza , S. Lee , P. Lenisa , X. Li , E. Long , I. J. D. MacGregor , D. Marchand , V. Mascagna , D. Matamoros , B. McKinnon , D. Meekins , S. Migliorati , T. Mineeva , M. Mirazita , V. Mokeev , C. Munoz-Camacho , P. Nadel-Turonski , T. Nagorna , K. Neupane , S. Niccolai , M. Osipenko , A. I. Ostrovidov , P. Pandey , M. Paolone , L. L. Pappalardo , R. Paremuzyan , E. Pasyuk , S. J. Paul , W. Phelps , S. K. Phillips , J. Pierce , N. Pilleux , M. Pokhrel , J. W. Price , Y. Prok , A. Radic , T. Reed , J. Richards , G. Rosner , P. Rossi , A. A. Rusova , C. Salgado , A. Schmidt , R. A. Schumacher , Y. G. Sharabian , E. V. Shirokov , U. Shrestha , S. Sirca , K. Slifer , N. Sparveris , M. Spreafico , S. Stepanyan , I. I. Strakovsky , S. Strauch , V. Sulkosky , J. A. Tan , M. Tenorio , N. Trotta , R. Tyson , M. Ungaro , D. W. Upton , S. Vallarino , L. Venturelli , H. Voskanyan , E. Voutier , D. P. Watts , X. Wei , M. H. Wood , N. Zachariou , J. Zhang , M. Zurek

We propose to measure neutron and deuteron transversity TMDs. The quark transversity distributions of the nucleon are decoupled from the deuteron gluon transversity in the $Q^2$ evolution due to the chiral-odd property in the…

Nuclear Experiment · Physics 2022-05-04 D. Keller

High-energy spin physics became a popular topic recently after the EMC finding for the proton's spin content. There exist unmeasured spin-dependent structure functions ($b_1$, $b_2$, $b_3$, and $b_4$) for spin-one hadrons such as the…

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

General expressions for the unpolarized differential cross section and for various polarization observables in the coherent pseudoscalar meson photo- and electroproduction on the deuteron target have been obtained in one-photon-exchange…

High Energy Physics - Phenomenology · Physics 2019-08-07 G. I. Gakh , A. G. Gakh , E. Tomasi-Gustafsson

Background: DIS on the polarized deuteron with detection of a proton in the nuclear breakup region (spectator tagging) represents a unique method for extracting the neutron spin structure functions and studying nuclear modifications. The…

High Energy Physics - Phenomenology · Physics 2021-01-04 W. Cosyn , C. Weiss

The nucleon spin structure is studied at COMPASS via the measurement of the spin dependent properties of deep inelastic muon-deuteron scattering. Both inclusive and semi-inclusive observables are investigated, with the emphasis put on the…

High Energy Physics - Experiment · Physics 2015-06-25 Yann Bedfer

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 deuteron ``D'' is the simplest nucleus with the spin S=1, therefore its electromagnetic structure is completely described by three different, the charge $G_C(t)$, magnetic $G_M(t)$ and quadrupole $G_Q(t)$ form factors, where $t=-q^2$ is…

High Energy Physics - Phenomenology · Physics 2025-12-10 A. -Z. Dubničková , S. Dubnička , P. Weisenpacher

Tensor-polarized parton distribution functions are new quantities in spin-one hadrons such as the deuteron, and they could probe new quark-gluon dynamics in hadron and nuclear physics. In charged-lepton deep inelastic scattering (DIS), they…

High Energy Physics - Phenomenology · Physics 2016-09-28 S. Kumano , Qin-Tao Song

One of the main aims of the COMPASS experiment at CERN is the study of the spin structure of the nucleon and in particular the determination of the gluon polarization in the nucleon. We present some new results of 2002-2003 data analysis.…

High Energy Physics - Experiment · Physics 2013-05-29 S. Panebianco

In the near future, the Jefferson Lab $b_1$ experiment will provide the second measurement of tensor polarized asymmetries in inclusive DIS on the deuteron. In this asymmetry, 4 independent tensor polarized structure functions contribute.…

High Energy Physics - Phenomenology · Physics 2026-02-23 Wim Cosyn , Brandon Roldan Tomei , Alan Sosa , Allison Zec

Based on a simple model which is compatible with the idea of the static quark model and the parton model, the polarized structure functions of proton and deuteron, two-spin asymmetries of $\pi ^0$ in polarized $pp$ reactions and inelastic…

High Energy Physics - Phenomenology · Physics 2007-05-23 Toshiyuki Morii

We report on a first measurement of tensor analyzing powers in quasi-elastic electron-deuteron scattering at an average three-momentum transfer of 1.7 fm$^{-1}$. Data sensitive to the spin-dependent nucleon density in the deuteron were…

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 summarize the results of a recent global analysis of proton and deuteron F2 structure function world data performed over a large range of kinematics, including recent measurements done at JLab with the CLAS detector. From these data the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Silvano Simula

We discuss the process of deep-inelastic electron scattering (DIS) on the polarized deuteron with detection of a nucleon in the nuclear fragmentation region ("spectator tagging"). We cover (a) the general structure of the semi-inclusive DIS…

High Energy Physics - Phenomenology · Physics 2016-09-08 W. Cosyn , M. Sargsian , C. Weiss