نتایج جستجو برای: deuteron

تعداد نتایج: 2862  

Journal: :Physical review. C, Nuclear physics 1995
Bianconi Jeschonnek Nikolaev Zakharov

We demonstrate that the final state p-n interaction in the reaction of electrodissociation of the deuteron at large Q in a static external field leads to the apparent reacceleration of neutrons. The shift of the neutron velocity from the velocity of the deuteron beam is related to the quantum-mechanical forward-backward asymmetry of the missing momentum distribution in the H(e, ep)n scattering....

1996
W. Melnitchouk A. W. Thomas

We reexamine the large-x neutron/proton structure function ratio extracted from the latest deuteron data, taking into account the most recent developments in the treatment of Fermi motion, binding and nucleon off-shell effects in the deuteron. Our findings suggest that as x → 1 the ratio of the neutron to proton structure functions (F n 2 /F p 2) is consistent with the perturbative QCD expectat...

2007
S. M. Bowyer S. Chang J. Liu E. J. Stephenson S. P. Wells

Guided by the results of our analyzing-power measurements for p+d elastic scattering at 200 and 120 MeV,' we have designed and constructed two proton polarimeters for the IUCF high-energy beamlines. Each polarimeter contains four pairs of scintillators, where each pair consists of a thin AE paddle for the proton operated in coincidence with a stopping scintillator for the deuteron. The recoil d...

2008
V. G. Baryshevsky

In the present paper influence of tensor electric and magnetic polarizabilities on spin evolution in the resonance deuteron EDM experiment is considered in details. It is shown that besides EDM the electric and magnetic polarizabilities also contribute to the vertical spin component P3. Moreover, the electric polarizability contributes to the P3 component even when the deuteron EDM is supposed ...

Journal: :Physical Review C 2021

The hadron-deuteron correlation function has attracted many interests as a potential method to access the three-hadron interactions. However, weakly-bound nature of deuteron not been considered in preceding studies. In this study, breakup effect on deuteron-$\Xi^-$ ($d$-$\Xi^-$) $C_{d\Xi^-}$ is investigated. $d$-$\Xi^-$ scattering described by nucleon-nucleon-$\Xi$ three-body reaction model. co...

2002
F. Cano B. Pire

We study deeply virtual Compton scattering (DVCS) on a deuteron target. We model the Generalized Quark Distributions in the deuteron by using the impulse approximation for the lowest Fock-space state. Numerical predictions are given for the unpolarized cross sections for the kinematical regimes relevant for JLab and HERMES at HERA. Differential cross sections show the same pattern as for the pr...

Journal: :Physical review. C, Nuclear physics 1995
Kaptari Umnikov Ciofi degli Atti C Scopetta Kazakov

A theoretical approach to the investigation of spin-dependent structure functions in deep inelastic scattering of polarized leptons off polarized nuclei, based on the effective meson-nucleon theory and operator product expansion method, is proposed and applied to deuteron and 3 He. The explicit forms of the moments of the deuteron and 3 He spin-dependent structure functions are * On leave from ...

2005
R. Skibinski

A radiative deuteron-proton capture experiment was carried out at KVI using polarized-deuteron beams at incident energies of 55, 66.5, and 90 MeV/nucleon. Vector and tensor-analyzing powers were obtained for a large angular range. The results are interpreted with the help of Faddeev calculations, which are based on modern twoand three-nucleon potentials. Our data are described well by the calcu...

2002
R. Skibiński J. Golak H. Kamada H. Wita la W. Glöckle A. Nogga

Faddeev calculations have been performed for nucleon-deuteron photodisin-tegration of 3 He (3 H) and proton-deuteron radiative capture. The bulk of the results is based on the AV18 nucleon-nucleon force and the Urbana IX three-nucleon force together with explicit exchange currents or applying the Siegert approach. Three-nucleon force effects are predicted for both processes and supported by mos...

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