Nuclear Physics
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# Nuclear Physics

Selected contemporary works in Nuclear Physics
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## Research proposes new theories about nature of Earth's iron

Credit: NASA/JPL-Caltech
New research challenges the prevailing theory that the unique nature of Earth's iron was the result of how its core was formed billions of years ago.
The study opens..
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## Visualizing nuclear radiation - Scienmag: Latest Science and Health News

Credit: Kyoto University/Eiri Ono
Kyoto, Japan -- Extraordinary decontamination efforts are underway in areas affected by the 2011 nuclear accidents in Japan. The creation of total radioactivity ma..
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## Focus on Exotic Beams at ISOLDE: A Laboratory Portrait

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## Uncooled CdTe and CdZnTe Based Detectors for γ-Radiation Spectrometry

The results of a study of the electrophysical characteristics of the detector single crystals CdZnTe and CdTe obtained from the best domestic (Institute of Rare Metal Industry, Giredmet) and foreign (
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## Astronomers detect oldest known stardust in distant galaxy

The first stardust ever generated in the universe may have been spotted in a distant galaxy, seen as it was 600 million years after the Big Bang.
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## Evolution of nuclear shapes in odd-mass yttrium and niobium isotopes from lifetime measurements following fission reactions

Lifetimes of excited states in $^{99}\mathrm{Y},^{101}\mathrm{Y},^{101}\mathrm{Nb},^{103}\mathrm{Nb}$, and $^{105}\mathrm{Nb}$ were measured in an experiment using the recoil distance Doppler shift method at GANIL (Grand Acc\'el\'erateur National d'Ions Lourds). The neutron-rich nuclei were produced in fission reactions between a $^{238}\mathrm{U}$ beam and a $^{9}\mathrm{Be}$ target. Prompt $\ensuremath{\gamma}$ rays were measured with the EXOGAM array and correlated with fission fragments that were identified in mass and atomic number with the VAMOS++ spectrometer. The measured lifetimes, together with branching ratios, provide $B(M1)$ and $B(E2)$ values for the strongly coupled rotational bands built on the $[422]5/{2}^{+}$ ground state in the Y and Nb nuclei with neutron number $N\ensuremath{\ge}60$. The comparison of the experimental results with triaxial particle-rotor calculations provides information about the evolution of the nuclear shape in this mass region.
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## New path suggested for nuclear fusion

Controlled nuclear fusion has been a holy grail for physicists who seek an endless supply of clean energy. Scientists at Rice University, the University of Illinois at Urbana-Champaign and the University of Chile offere
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## NASA rover technology to be used in project to map nuclear sites comprehensively

Credit: The University of Manchester
University of Manchester scientists are leading a team which is to comprehensively map some of the world's most radioactive sites using sensing technology m..
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## Isomeric ratios in photonuclear reactions of molybdenum isotopes induced by bremsstrahlung in the giant dipole resonance region

We have determined the isomeric ratios of isomeric pairs 97m,gNb, 95m,gNb and 91m,gMo produced in 98Mo(γ, p)97m,gNb, 96Mo(γ, p)95m,gNb and 92Mo(γ, n)91m,gMo photonuclear reactions in the giant dipole
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## Formation of Hyper Hydrogen isotopes in light p-shell nuclei

Recent experiment by A1 Collaboration at Mainz, namely identification of Λ4H hyperfragment from primary Λ9Li hypernucleus produced in reaction (e, e′K+), stirred renewed interest in baryonic decay of
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## Black Hills State University Underground Campus

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## Theoretical determination of gamma spectrometry systems efficiency based on probability functions. Application to self-attenuation correction factors

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## Call for Rosen Scholar Nominations - Projects and Awards

Your entry into the neutron world.
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## The Joint Insitute of Nuclear Research - JINR News

JINR News
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## Initial Results of Fukushima Daiichi... - Tokyo Electric Power Company Holdings, Incorporated

Initial Results of Fukushima Daiichi Unit 1 Robot Exploration: Radiation data and photos from the first of a series of robot explorations o
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## Equations of state for supernovae and compact stars

What are the thermodynamic properties of matter at extreme densities, even exceeding nuclear matter density severely? How can we describe the composition of matter for such conditions, the resulting pressure, and the maximum mass of cold neutron stars? How is this affected by finite temperatures, as they occur in core collapse supernovae and in compact star mergers? This review addresses these points within the framework of constraints from experiments as well as astronomical observations.
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From 1945 until 1962, the United States conducted 210 atmospheric nuclear tests—the kind with the big mushroom cloud and all that jazz. Above-ground nuke testing was banned in 1963, but there are thousands of films from those tests that have just been rotting in secret vaults around the country. But starting today you can see many of them on YouTube.
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## Electromagnetic Moments of Radioactive 136Te and the Emergence of Collectivity 2p+n Outside of Double-Magic 132Sn

Radioactive $^{136}\mathrm{Te}$ has two valence protons and two valence neutrons outside of the $^{132}\mathrm{Sn}$ double shell closure, providing a simple laboratory for exploring the emergence of collectivity and nucleon-nucleon interactions. Coulomb excitation of $^{136}\mathrm{Te}$ on a titanium target was utilized to determine an extensive set of electromagnetic moments for the three lowest-lying states, including $B(E2;{0}_{1}^{+}\ensuremath{\rightarrow}{2}_{1}^{+})$, $Q({2}_{1}^{+})$, and $g({2}_{1}^{+})$. The results indicate that the first-excited state, ${2}_{1}^{+}$, composed of the simple $2p\ensuremath{\bigoplus}2n$ system, is prolate deformed, and its wave function is dominated by excited valence neutron configurations, but not to the extent previously suggested. It is demonstrated that extreme sensitivity of $g({2}_{1}^{+})$ to the proton and neutron contributions to the wave function provides unique insight into the nature of emerging collectivity, and $g({2}_{1}^{+})$ was used to differentiate among several state-of-the-art theoretical calculations. Our results are best described by the most recent shell model calculations.
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## Energy Calibration of CALET Onboard the International Space Station

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## Eine deutsche Atombombe: Germans are debating getting their own nuclear weapon

IT BEGAN in November, soon after the election of Donald Trump as America’s president.
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## What Is The Universe's Third Most Common Element?

Hydrogen is number 1, helium is number 2. But the third most common element isn't element 3, or 4, or 5, or eve
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## Enrico Fermi and the Dawn of the Nuclear Age

How a 'pile' became the world's first nuclear reactor
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## Uranium from seawater factors into nuclear power

Trace amounts of uranium exist in seawater, but efforts to extract that critical ingredient for nuclear power have produced insufficient quantities to make it a viable source for those countries that lack uranium mines.
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## Neutron spin optics: Fundamentals and verification

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