Nuclear Physics
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Nuclear Physics
Selected contemporary works in Nuclear Physics
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New nuclear science grants propel Idaho State University into top tier in nuclear materials in the United States

New nuclear science grants propel Idaho State University into top tier in nuclear materials in the United States | Nuclear Physics | Scoop.it
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High Flux Isotope Reactor named Nuclear Historic Landmark | ornl.gov

High Flux Isotope Reactor named Nuclear Historic Landmark | ornl.gov | Nuclear Physics | Scoop.it
Learn more about High Flux Isotope Reactor named Nuclear Historic Landmark at ornl.gov
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Works starts on new European neutron source

Works starts on new European neutron source | Nuclear Physics | Scoop.it
Spallation facility in Sweden should be up and running in 2023
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Oxygen nucleus with twice as many neutrons as normal is shown to be surprisingly stable

Oxygen nucleus with twice as many neutrons as normal is shown to be surprisingly stable | Nuclear Physics | Scoop.it
The nucleus at the heart of an atom is held together by a subtle balance between the nuclear force that binds protons and neutrons and the electric repulsion that tries to fling the positively charged protons apart. Understanding how the number of nucleons—the collective term for protons and neutrons—affects ...
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'Magic numbers' disappear and expand area of nuclear deformation

'Magic numbers' disappear and expand area of nuclear deformation | Nuclear Physics | Scoop.it
A team of researchers from the RIKEN Nishina Center for Accelerator-Based Science in Japan has demonstrated that the magic numbers 20 and 28 disappear from all neutron-rich magnesium isotopes, thereby establishing a new, larger area of nuclear deformation in the nuclear chart.
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Merging of the islands of inversion at N=20 and N=28

Merging of the islands of inversion at N=20 and N=28 | Nuclear Physics | Scoop.it
The $N=20$ and $N=28$ ``islands of inversion'' are described by large scale shell model calculations with an extension of the interaction SDPF-U that makes it possible to mix configurations with different $\mathrm{N}$\hbar${}$\omega${}$ or equivalently with different numbers of particles promoted from the $sd$ shell to the $pf$ shell. It allows to connect the classical $sd$-shell calculations below $N=18$ with the $sd$ (protons)-$pf$ (neutrons) calculations beyond $N=24\char21{}26$, for all the isotopes from oxygen to sulfur, using the same interaction. For some isotopes this range contains all the nuclei between the proton and the neutron drip lines and includes the $N=20$ and $N=28$ islands of inversion. We pay particular attention to the properties of the states at fixed $\mathrm{N}$\hbar${}$\omega${}$ which turn out to be the real protagonists of the physics at $N=20$. The existence of islands of inversion or deformation are explained as the result of the competition between the spherical mean field which favors the $0$\hbar${}$\omega${}$ configurations and the nuclear correlations which favor the deformed $N$\hbar${}$\omega${}$ configurations. The magnesium chain is exceptional because in it the $N=20$ and $N=28$ islands of inversion merge, enclosing all the isotopes between $N=19$ and $N=30$. Indeed, this would be also the case for the neon and sodium chains if their drip lines would reach $N=28$.
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Study of the neutron and proton capture reactions 10,11B(n, γ), 11B(p, γ), 14C(p, γ), and 15N(p, γ) at thermal and astrophysical energies

Study of the neutron and proton capture reactions 10,11B(n, γ), 11B(p, γ), 14C(p, γ), and 15N(p, γ) at thermal and astrophysical energies | Nuclear Physics | Scoop.it
Sergey Dubovichenko and Albert Dzhazairov-Kakhramanov, Int. J. Mod. Phys. E 23, 1430012 (2014) [55 pages] DOI: 10.1142/S0218301314300124
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New charge radius relations for atomic nuclei

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Importance of static quadrupole moments for determining collective aspects of nuclear structure: N=Z calculations with four and eight valence particles

tmertzi's insight:

This is a paper by my Alma Mater Nuclear Theory group. Shadow Robinson and colleagues keep producing rigid calculations for important nuclear structure phenomena

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Fine structure in the alpha decay of 224U

Fine structure in the alpha decay of 224U | Nuclear Physics | Scoop.it
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Quadrupole deformation in \Lambda-hypernuclei - Springer

Quadrupole deformation in \Lambda-hypernuclei - Springer | Nuclear Physics | Scoop.it
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Should Moseleyum be the name of one of the heaviest elements?

Should Moseleyum be the name of one of the heaviest elements? | Nuclear Physics | Scoop.it
tmertzi's insight:

subscription may be required for this one

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Ion beams simulate nuclear-reactor damage - physicsworld.com

Ion beams simulate nuclear-reactor damage - physicsworld.com | Nuclear Physics | Scoop.it
Seven years in a reactor recreated in just four days
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Gilbert U-238 Atomic Energy Lab (1950-1951)

Gilbert U-238 Atomic Energy Lab (1950-1951) | Nuclear Physics | Scoop.it
tmertzi's insight:

I . WANT . ONE.

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ITER receives first plant components

ITER receives first plant components | Nuclear Physics | Scoop.it
The first plant system components were delivered yesterday to the ITER construction site in Saint Paul-lez-Durance, France.
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Nuclear physics incorporates a 'strange' flavor

Nuclear physics incorporates a 'strange' flavor | Nuclear Physics | Scoop.it
Calculating the binding energy between hyperon particles contributes to understanding a new type of neutron star.
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Evidence for a new nuclear 'magic number'

Evidence for a new nuclear 'magic number' | Nuclear Physics | Scoop.it
Researchers have come one step closer to understanding unstable atomic nuclei. A team of researchers from RIKEN, the University of Tokyo and other institutions in Japan and Italy has provided evidence for a new nuclear magic number in the unstable, radioactive calcium isotope 54Ca. In a study published ...
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Tests confirm nickel-78 is a 'doubly magic' isotope

Tests confirm nickel-78 is a 'doubly magic' isotope | Nuclear Physics | Scoop.it
The stability of atoms can vary considerably from one element to the next, and also between isotopes of the same element (whose nuclei contain the same number of protons but different numbers of neutrons). While many isotopes are unstable and rapidly undergo radioactive decay, certain 'magic' isotopes ...
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Spin and orbital g factors with a surface δ interaction

Using an attractive surface delta interaction we obtain wave functions for two protons (or proton holes) in the ${f}_{5/2}$ and ${p}_{3/2}$ shells. We take the single-particle energies to be degenerate. We obtain the remarkable result that the $g$ factors of the lowest ${2}^{+}$ and the lowest ${4}^{+}$ states are equal to 1. We find that only the orbital part of the $g$ factors contributes\char22{}the spin part cancels out. Shell-model calculations are also performed for these same $g$ factors in a larger model space and with realistic effective interactions.
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Life on earth — An accident? Chiral symmetry and the anthropic principle

Life on earth — An accident? Chiral symmetry and the anthropic principle | Nuclear Physics | Scoop.it
Ulf-G. Meißner et al, Int. J. Mod. Phys. E 23, 1461005 (2014) [8 pages] DOI: 10.1142/S0218301314610059
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Electric Dipole Moments: A Global Analysis

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Ion counting efficiencies at the IGISOL facility

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Our old student Vasilis Rakopoulos is a coauthor in this one

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The Radioactive Ion Beams in Brazil (RIBRAS) facility

The Radioactive Ion Beams in Brazil (RIBRAS) facility | Nuclear Physics | Scoop.it
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Neutron capture cross section measurements for 197Au from 3.5 to 84 keV at GELINA

Neutron capture cross section measurements for 197Au from 3.5 to 84 keV at GELINA | Nuclear Physics | Scoop.it
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At the center of science

For those of us without advanced physics degrees, the light bulbs above our heads remain dark when trying to understand the work conducted at the Thomas Jefferson National Accelerator Facility. Exploring the origins of the universe and the fundamentals of matter requires brain power and know-how precious few possess.
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