نتایج جستجو برای: deuteron interaction
تعداد نتایج: 568081 فیلتر نتایج به سال:
Angular distributions of protons, deuterons, tritons and a-particles were measured for the system 9Be+"C at lab energies between 12 and 27 MeV. The compound nucleus model with level densities calculated according to the Gilbert-Cameron formula describes satisfactorily the measured proton, deuteron and triton data. In the a-particle spectra contributions from other processes seem to be present ....
We recently stored a 1.85 GeV/c vertically polarized deuteron beam in the COSY Ring in Jtilich; we then spin-flipped it by ramping a new air-core rf dipole's frequency through an rfinduced spin resonance to manipulate the polarization direction of the deuteron beam. We first experimentally determined the resonance's frequency and set the dipole's rf voltage to its maximum; then we varied its fr...
Cross sections for 180’ deuteron electrodisintegration have been measured near threshold for the Q2-range 1.21 to 2.77 (GeV/c)2. The new data, together with previous data (Ref. 2) at lower Q2, show a change in slope near Q2 = 1 ( GeV/c)2. Nonrelativistic calculations based on both meson-nucleon and hybrid quark-hadron models are not in quantitative agreement with the data over the entire Q2-ran...
By solving the Faddeev equations for p̄pn system, we compute antiproton-deuteron level shifts and widths lowest hydrogenic states as well corresponding p̄d scattering lengths volumes. The annihilation densities are obtained compared to nuclear density of deuterium. validity Trueman relation composite particles is studied. strong part N̄N interaction described by two different optical models, inclu...
A COVARIANT DESCRIPTION OF THE DEUTERON AND A BUNCH OF OTHER STUFF A. Student Old Dominion University, 2014 Director: Dr. John Doe An introduction to the use of Bethe-Salpeter and quasipotential equations in the description of electron scattering from the deuteron is provided. The basic formalism and many technical issues are introduced in the context of a simple scalar theory. Results for boun...
We review predictions of the theory of leading twist nuclear shadowing for inclusive unpolarized and polarized deuteron structure functions F 2 , g 1 and b 1 and for the tagged deuteron structure function F 2 (x,Q, ~ p). We analyze the possibility to extract the neutron structure function F 2 from electron-deuteron data and demonstrate that an account of leading twist nuclear shadowing leads to...
Tensor analyzing powers in forward angle exclusive π-meson photoproduction on deuteron. Abstract The target tensor analyzing powers of the process γd → π − pp had been studied in the plane wave impulse approximation, if both ejected protons are detected in coincidence and in the directions, symmetrical respect to the incoming photon momentum , being in the proton plane. The matrix elements of t...
The deuteron intra-bond dynamics of the deuteron glass phase in Rb0 68(N D 4)0 32D 2A s 0 4 has been studied by 2 D exchange NM R which extends the NM R observation window from the kHz region into the milli-Hertz region. The results show that the O D • • • O deuterons are indeed the basic reversible two-position dipoles in the structure and that deuteron intra-bond exchange and thus dipole reve...
We consider hadron production in deuteron gold collisions at RHIC in the forward rapidity region. Treating the target nucleus as a Color Glass Condensate and the projectile deuteron as a dilute system of valence quarks, we obtain good agreement with the BRAHMS minimum bias data on charged hadron production in the forward rapidity (y = 3.2) and low pt region. We provide predictions for neutral p...
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