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The general spin structure of the matrix element, taking into account the two--photon exchange contribution, for the elastic electron (positron) --deuteron scattering has been derived using general symmetry properties of the hadron…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. I. Gakh , E. Tomasi-Gustafsson

Time reversal invariance violating (TRIV) effects for low energy elastic neutron deuteron scattering are calculated for meson exchange and EFT-type of TRIV potentials in a Distorted Wave Born Approximation, using realistic hadronic strong…

Nuclear Theory · Physics 2011-07-04 Young-Ho Song , Rimantas Lazauskas , Vladimir Gudkov

Exclusive and kinematically complete high-statistics measurements of quasifree polarized $\vec{n}p$ scattering have been performed in the energy region of the narrow resonance structure $d^*$ with $I(J^P) = 0(3^+)$, $M \approx$ 2380…

Nuclear Experiment · Physics 2015-06-18 P. Adlarson , W. Augustyniak , W. Bardan , M. Bashkanov , F. S. Bergmann , M. Berlowski , H. Bhatt , M. Buescher , H. Calen. I. Ciepa , H. Clement , D. Coderre , E. Czerwinski , K. Demmich , E. Doroshkevich , R. Engels , A. Erven , W. Erven , W. Eyrich , P. Fedorets , K. Foehl , K. Fransson , F. Goldenbaum , P. Goslawski , A. Goswami , K. Grigoyev , C. -O. Gullstroem , F. Hauenstein , L. Heijkenskjoeld , V. Hejny , M. Hodana , B. Hoistad , N. Huesken , A. Jany , B. R. Jany , L. Jarczyk , T. Johansson , B. Kamys , G. Kemmerling , F. A. Khan , A. Khoukaz , D. A. Kirrilov , S. Kistryn , H. Kleines , B. Klos , M. Krapp , W. Krzemien , P. Kulessa , A. Kupsc , K. Lalwani , D. Lersch , B. Lorentz , A. Magiera , R. Maier , P. Marciniewski , B. Marianski , M. Mikirtychiants , H. -P. Morsch , P. Moskal , H. Ohm , I. Ozerianska , E. Perez del Rio , N. M. Piskunov , P. Podkopal , D. Prasuhn , A. Pricking , D. Pszczel , K. Pysz , A. Pysniak , C. F. Redmer , J. Ritman , A. Roy , Z. Rudy , S. Sawant , S. Schadmand , T. Sefzick , V. Serdyuk , R. Siudak , T. Skorodko , M. Skurzok , J. Smyrski , V. Sopov , R. Stassen , J. Stepaniak , E. Stephan , G. Sterzenbach , H. Stockhorst , H. Stroeher , A. Szczurek , A. Taeschner , A. Trzcinski , R. Varma , G. J. Wagner , M. Wolke , A. Wronska , P. Wuestner , P. Wurm , A. Yamamoto , L. Yurev , J. Zabierowski , M. J. Zielinski , A. Zink , J. Zlomanczuk , P. Zupranski , M. Zurek , R. L. Workman , W. J. Briscoe , I. I. Strakovsky

The elastic proton-deuteron backward reaction is analyzed within a covariant approach based on the Bethe-Salpeter equation with realistic meson-exchange interaction. Lorentz boost and other relativistic effects in the cross section and spin…

Nuclear Theory · Physics 2008-11-26 L. P. Kaptari , B. Kaempfer S. M. Dorkin , S. S. Semikh

The charge exchange of vector polarised deuterons on a polarised hydrogen target has been studied in a high statistics experiment at the COSY-ANKE facility at a deuteron beam energy of Td = 726 MeV. By selecting two fast protons at low…

We present an analysis of $13$ observables in Compton scattering on the proton. Cross sections, asymmetries with polarised beam and/or targets, and polarisation-transfer observables are investigated for energies up to the $\Delta(1232)$…

Nuclear Theory · Physics 2018-04-04 Harald W. Griesshammer , Judith A. McGovern , Daniel R. Phillips

We propose two new sources of a substantial tensor polarization of sea partons in the deuteron: the diffractive nuclear shadowing which depends on the alignment of nucleons in the polarized deuteron and the nuclear excess of pions in the…

High Energy Physics - Phenomenology · Physics 2016-09-06 N. N. Nikolaev , W. Schaefer

The measurement of transverse spin effects in semi-inclusive deep-inelastic scattering is an important part of the COMPASS physics program. In the years 2002-2004 data were taken by scattering a 160 GeV muon beam on a transversely polarized…

High Energy Physics - Experiment · Physics 2019-08-13 C. Schill

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

A possible experimental setup for measuring the effect of parity violation in the interaction of the polarized proton or deuteron beams with an unpolarized target is discussed. One possibility is investigation of scattering of the proton or…

High Energy Physics - Experiment · Physics 2020-08-07 I. A. Koop , A. I. Milstein , N. N. Nikolaev , A. S. Popov , S. G. Salnikov , P. Yu. Shatunov , Yu. M. Shatunov

The analyzing powers in proton-deuteron elastic and proton-neutron quasi-elastic scattering have been measured at small angles using a polarized proton beam at the COSY storage ring incident on an unpolarized deuterium target. The data were…

New measurements are reported on the deuteron spin structure function g_1^d. These results were obtained from deep inelastic scattering of 48.3 GeV electrons on polarized deuterons in the kinematic range 0.01 < x < 0.9 and 1 < Q^2 < 40…

High Energy Physics - Experiment · Physics 2012-08-27 E155 Collaboration

The neutron and proton scattering with either deuteron or stable alpha particle can be modeled as a two particle system. In this paper, using Morse function as reference potential, inverse potentials have been computationally constructed…

Nuclear Theory · Physics 2022-09-27 Lalit Kumar , Shikha Awasthi , Anil Khachi , O. S. K. S Sastri

The elastic backward proton-deuteron scattering is analyzed including both relativistic effects in the deuteron and the reaction mechanism. It is shown that inclusion of the graphs corresponding to the emission, rescattering and absorption…

Nuclear Theory · Physics 2007-12-10 Alexander P. Ierusalimov , Gennady I. Lykasov , Michele Viviani

Nucleon transfer reactions in low-energy deuteron-deuteron scattering are described by solving exact four-particle equations in momentum space. The Coulomb interaction between the protons is included using the screening and renormalization…

Nuclear Theory · Physics 2011-08-23 A. Deltuva , A. C. Fonseca

Cross sections for quasi-free Compton scattering from the deuteron were measured for incident energies of 236--260 MeV at the laboratory angle -135 degrees. The recoil nucleons were detected in a liquid-scintillator array situated at 20…

The purpose of this contribution is to stress the great importance of polarization observables for the study of nucleon resonances, in particular in the case of deuteron and proton probes. Polarization observables play a unique role in…

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

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

Semi-inclusive deep inelastic scattering of polarized leptons off hadrons enables one to measure the antisymmetric part of the hadron tensor. For unpolarized hadrons this piece is odd under time reversal. In deep inelastic scattering it…

High Energy Physics - Phenomenology · Physics 2009-10-28 J. Levelt , P. J. Mulders

The scalar and tensor polarizabilities of the deuteron are calculated using the recently developed effective field theory that describes nucleon-nucleon interactions. Leading and next-to-leading order contributions in the perturbative…

Nuclear Theory · Physics 2009-10-31 Jiunn-Wei Chen , Harald W. Griesshammer , Martin J. Savage , Roxanne P. Springer
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