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Protons hog the momentum in neutron-rich nuclei（图）
neutron-rich nuclei Protons hog
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2014/12/1
NEWPORT NEWS, VA, October 16, 2014 – Like dancers swirling on the dance floor with bystanders looking on, protons and neutrons that have briefly paired up in the nucleus have higher-average momentum, ...
Protons hog the momentum in neutron-rich nuclei
neutron-rich nuclei Protons hog
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2014/10/30
NEWPORT NEWS, VA, October 16, 2014 – Like dancers swirling on the dance floor with bystanders looking on, protons and neutrons that have briefly paired up in the nucleus have higher-average momentum, ...
Low and medium energy deuteron-ind ced reactions on $^{63,65}$Cu nuclei
Low medium energy deuteron-ind ced reactions
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2011/7/21
The activation cross sections of (d,p), (d,2n), (d,3n), and (d,2p) reactions on 63,65Cu were measured in the energy range from 4 to 20 MeV using the stacked-foils technique.
Leading twist nuclear shadowing phenomena in hard processes with nuclei
shadowing phenomena hard processes nuclei
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2011/7/21
We present and discuss the theory and phenomenology of the leading twist theory of nuclear shadowing which is based on the combination of the generalization of Gribov-Glauber theory, QCD factorization...
Nuclear dynamics at the balance energy of mass asymmetric colliding nuclei
heavy-ion collisions uantum molecular dynamics (QMD) model
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2011/7/20
Using the quantum molecular dynamics model, we study the nuclear dynamics at the balance energy of mass asymmetric colliding nuclei by keeping the total mass of the system fixed as 40, 80, 160, and 24...
Multifragmentation at the balance energy of mass asymmetric colliding nuclei
asymmetric colliding nuclei balance energy
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2011/7/20
Using the quantum molecular dynamics model, we study the role of mass asymmetry of colliding nuclei on the fragmentation at the balance energy and on its mass dependence. The study is done by keeping ...
Alpha-Cluster Model, Charge Symmetry of Nuclear Force and Single Particle Bound State Potential in Symmetrical Nuclei
Alpha-Cluster Model Nuclear Force Bound State Potential
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2011/7/20
A phenomenological alpha-cluster model based on the charge symmetry of nuclear force allows one to estimate the last proton position radius (LPPR) in a symmetrical nucleus. The values of LPPR obtained...
Heavy particle radioactivities of superheavy nuclei
superheavy nuclei Heavy particle radioactivities
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2011/7/20
The concept of heavy particle radioactivity (HPR) is changed to allow emitted particles with Z_e>28 from parents with Z>110 and daughter around 208Pb.
Relativistic Description of Finite Nuclei Based on Realistic $NN$ Interactions
$NN$ Interactions
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2011/7/20
A set of relativistic mean field models is constructed including the Hartree and Hartree-Fock approximation accounting for the exchange of isoscalar and isovector mesons as well as the pion.
Rotational Bands and Electromagnetic Transitions of some even-even Neodymium Nuclei in J-Projected Hartree-Fock Model
J-Projected Hartree-Fock Model Nuclei Electromagnetic Transitions
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2011/7/20
Rotational structures of even-even $^{148-160}$Nd nuclei are studied with the self-consistent deformed Hartree-Fock (HF) and angular momentum (J) projection model. Spectra of ground band, recently obs...
Quantum Monte Carlo calculations of spectroscopic overlaps in $A \leq 7$ nuclei
Quantum Monte Carlo calculations spectroscopic overlaps
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2011/7/20
We present Green's function Monte Carlo calculations of spectroscopic overlaps for $A \leq 7$ nuclei. The realistic Argonne v18 two-nucleon and Illinois-7 three-nucleon interactions are used to genera...
Spin Scissors Mode and the Fine Structure of M1 States in Nuclei
Spin Scissors Mode M1 States Fine Structure
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2011/7/20
The coupled dynamics of low lying modes, including the scissors mode, and various giant quadrupole resonances are studied with the help of the Wigner Function Moments method generalized to take into a...
The platinum nuclei: concealed configuration mixing and shape coexistence
Pt isotopes shape coexistence intruder states
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2011/7/20
The role of configuration mixing in the Pt region is investigated. For this chain of isotopes, the nature of the ground state changes smoothly, being spherical around mass $A\sim 174$ and $A\sim 192$ ...
Proton inelastic diffraction by a black nucleus and the size of excited nuclei
black nucleus Proton inelastic diffraction
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2011/7/20
We systematically derive a length scale characterizing the size of a low-lying, beta stable nucleus from empirical data for the diffraction peak angle in the proton inelastic differential cross sectio...
Low and medium energy deuteron-ind ced reactions on $^{63,65}$Cu nuclei
Low medium energy deuteron-ind ced reactions nuclei
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2011/7/20
The activation cross sections of (d,p), (d,2n), (d,3n), and (d,2p) reactions on 63,65Cu were measured in the energy range from 4 to 20 MeV using the stacked-foils technique. Then, following the availa...