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The frozen spin method can be effectively used for a high-precision measurement of the tensor electric and magnetic polarizabilities of the deuteron and other nuclei in storage rings. For the deuteron, this method would provide the…

Nuclear Theory · Physics 2009-10-29 Alexander J. Silenko

The tensor-polarized structures of the deuteron can be probed through the proton-deuteron Drell-Yan process, where the proton is unpolarized and the deuteron is tensor polarized. This measurement will be conducted at Fermilab in the near…

High Energy Physics - Phenomenology · Physics 2025-03-26 Si-Yi Qiao , Qin-Tao Song

To understand orbital-angular-momentum contributions is becoming crucial for clarifying nucleon-spin issue in the parton level. Twist-two structure functions b_1 and b_2 for spin-one hadrons could probe orbital-angular-momentum effects,…

High Energy Physics - Phenomenology · Physics 2014-11-21 S. Kumano

Transverse spin and transverse momentum distribution functions of the constituents of the nucleon are a crucial input for a complete description of the nucleon. COMPASS measured such for longitudinally and transversely polarized deuterons…

High Energy Physics - Experiment · Physics 2019-08-13 H. Wollny

Recent progress in the understanding of the nucleon is presented. The unpolarised structure functions are obtained with unprecedented precision from the combined H1 and ZEUS data and are used to extract proton parton distribution functions…

High Energy Physics - Experiment · Physics 2009-03-27 Cristinel Diaconu

Tensor structure of the deuteron can be studied by deep inelastic scattering and Drell-Yan process to understand it in terms of quark and gluon degrees of freedom. It probes interesting features in the deuteron including a D-wave…

Nuclear Theory · Physics 2017-02-07 S. Kumano , Qin-Tao Song

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

We review the theory and phenomenology of deep inelastic polarized lepton-nucleon scattering in the light of recent data with a deuteron target from the SMC at CERN and a Helium 3 target from the E142 experiment at SLAC. After including…

High Energy Physics - Phenomenology · Physics 2008-02-03 John Ellis , Marek Karliner

We present results of a perturbative QCD analysis of deep inelastic measurements of both the deuteron and proton structure functions. We evaluate the theoretical uncertainty associated to nuclear effects in the deuteron, and we extract…

High Energy Physics - Phenomenology · Physics 2014-11-17 S. I. Alekhin , S. A. Kulagin , S. Liuti

There are four new structure functions for the spin-1 deuteron in comparison with the ones for the spin-1/2 proton, and they are called $b_1$, $b_2$, $b_3$, and $b_4$. The twist-2 structure functions $b_1$ and $b_2$ are expressed by…

High Energy Physics - Phenomenology · Physics 2017-03-08 S. Kumano , Qin-Tao Song

Precision measurements of vector and tensor analyzing powers of the $^{2}{\rm H}(\vec d,dp){n}$ break-up process for configurations in the vicinity of the quasi-free scattering regime with the neutron as spectator, are presented. These…

We measured the $g_1$ spin structure function of the deuteron at low $Q^{2}$, where QCD can be approximated with chiral perturbation theory ($\chi$PT). The data cover the resonance region, up to an invariant mass of $W\approx1.9$~GeV. The…

Nuclear Experiment · Physics 2022-02-21 K. P. Adhikari , A. Deur , L. El Fassi , H. Kang , S. E. Kuhn , M. Ripani , K. Slifer , X. Zheng , S. Adhikari , Z. Akbar , M. J. Amaryan , H. Avakian , J. Ball , I. Balossino , L. Barion , M. Battaglieri , I. Bedlinskiy , A. S. Biselli , P. Bosted , W. J. Briscoe , J. Brock , S. Bueltmann , V. D. Burkert , F. Thanh Cao , C. Carlin , D. S. Carman , A. Celentano , G. Charles , J. -P. Chen , T. Chetry , S. Choi , G. Ciullo , L. Clark , P. L. Cole , M. Contalbrigo , V. Crede , A. D'Angelo , N. Dashyan , R. De Vita , E. De Sanctis , M. Defurne , C. Djalali , G. E. Dodge , V. Drozdov , R. Dupre , H. Egiyan , A. El Alaoui , L. Elouadrhiri , P. Eugenio , G. Fedotov , A. Filippi , Y. Ghandilyan , G. P. Gilfoyle , E. Golovatch , R. W. Gothe , K. A. Griffioen , M. Guidal , N. Guler , L. Guo , K. Hafidi , H. Hakobyan , C. Hanretty , N. Harrison , M. Hattawy , D. Heddle , K. Hicks , M. Holtrop , C. E. Hyde , Y. Ilieva , D. G. Ireland , E. L. Isupov , D. Jenkins , H. S. Jo , S. C. Johnston , K. Joo , S. Joosten , M. L. Kabir , C. D. Keith , D. Keller , G. Khachatryan , M. Khachatryan , M. Khandaker , W. Kim , A. Klein , F. J. Klein , P. Konczykowski , K. Kovacs , V. Kubarovsky , L. Lanza , P. Lenisa , K. Livingston , E. Long , I . J . D. MacGregor , N. Markov , M. Mayer , B. McKinnon , D. G. Meekins , C. A. Meyer , T. Mineeva , M. Mirazita , V. Mokeev , A Movsisyan , C. Munoz Camacho , P. Nadel-Turonski , G. Niculescu , S. Niccolai , M. Osipenko , A. I. Ostrovidov , M. Paolone , L. Pappalardo , R. Paremuzyan , K. Park , E. Pasyuk , D. Payette , W. Phelps , S. K. Phillips , J. Pierce , O. Pogorelko , J. Poudel , J. W. Price , Y. Prok , D. Protopopescu , B. A. Raue , A. Rizzo , G. Rosner , P. Rossi , F. Sabatie , C. Salgado , R. A. Schumacher , Y. G. Sharabian , T. Shigeyuki , A. Simonyan , Iu. Skorodumina , G. D. Smith , N. Sparveris , D. Sokhan , S. Stepanyan , I. I. Strakovsky , S. Strauch , V. Sulkosky , M. Taiuti , J. A. Tan , M. Ungaro , E. Voutier , X. Wei , L. B. Weinstein , J. Zhang , Z. W. Zhao.

The gluon transversity distribution in the deuteron is defined by the matrix element between linearly-polarized deuteron states, and it could be investigated in proton-deuteron collisions in addition to lepton-deuteron scattering. The…

High Energy Physics - Phenomenology · Physics 2020-05-20 S. Kumano , Qin-Tao Song

The production of slow nucleons in semi-inclusive deep inelastic electron scattering off the deuteron is investigated in the region $x \gsim 0.3$. It is shown that within the spectator mechanism the semi-inclusive cross section exhibits a…

Nuclear Theory · Physics 2009-10-30 Silvano Simula

The dependence of the diffractive nuclear shadowing and the nuclear pion excess effect on the deuteron spin alignment leads to a substantial tensor polarisation of sea partons in the deuteron. The corresponding tensor structure function…

High Energy Physics - Phenomenology · Physics 2007-05-23 W. Schaefer

The spin-dependent structure function of the deuteron, g_1D, is calculated within a covariant framework. The off-shell structure of the bound nucleon gives corrections to the convolution model at a level of half a percent for x below 0.7,…

High Energy Physics - Phenomenology · Physics 2016-09-01 W. Melnitchouk , G. Piller , A. W. Thomas

Purpose: In this paper we investigated emission of bremsstrahlung photons in the scattering of protons off deuterons within the microscopic cluster models in a wide region of the beam energy from low energies up to 1.5 GeV. Methods:…

Nuclear Theory · Physics 2024-04-19 K. A. Shaulskyi , S. P. Maydanyuk , V. S. Vasilevsky

Nucleon spin structure functions have been investigated mainly by longitudinally-polarized ones for finding the origin of the nucleon spin. Other types of spin structure functions are transversely-polarized ones. In particular, quark…

High Energy Physics - Phenomenology · Physics 2020-03-18 S. Kumano , Qin-Tao Song

We study the electrodisintegration of deuteron at quasi-elastic kinematics and high transferred momentum as a probe for the short distance structure in nuclei. In this reaction, an electron hits a nucleus of deuterium, which breaks up into…

Nuclear Theory · Physics 2021-08-27 Frank Vera

Employing the polarization degrees of freedom in the deuteron allows to isolate smaller than average inter-nucleon distances in the deuteron. As a result one can identify set of high $Q^2$ reactions off polarized deuteron which are…

Nuclear Theory · Physics 2017-08-23 Misak M. Sargsian