Nuclear Physics
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Nuclear Physics
Selected contemporary works in Nuclear Physics
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Discovery of the elements with atomic numbers Z = 113, 115 and 117

Discovery of the elements with atomic numbers Z = 113, 115 and 117 | Nuclear Physics | Scoop.it
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Red Mud Characterization Using Atomic and Nuclear Analytical Techniques

Red Mud Characterization Using Atomic and Nuclear Analytical Techniques | Nuclear Physics | Scoop.it
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Neutral result charges up antimatter research

Neutral result charges up antimatter research | Nuclear Physics | Scoop.it
Scientists of the international ALPHA Collaboration are once again pushing the boundaries of antimatter research with their latest breakthrough studying the properties of antihydrogen. The result is an improved measurement of the charge of antihydrogen by a factor of 20. It is the latest contribution in the quest to find the answer to the antimatter question, 'If matter and antimatter were created in equal amounts during the Big Bang, where did all the antimatter go?'
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Probing mixed-spin pairing in heavy nuclei

Probing mixed-spin pairing in heavy nuclei | Nuclear Physics | Scoop.it
The nature of the nuclear pairing condensate is an active topic of investigation, especially as regards its neutron-proton versus identical-particle character, which manifests as the difference between spin-singlet and spin-triplet pairing. In this work, we probe the recently proposed mixed-spin pairing condensates, using a phenomenological Hamiltonian and Hartree-Fock-Bogoliubov theory along with the gradient method. In addition to improving the solution of the many-body problem, we have calculated a series of physical quantities and examined the robustness of the mixed-spin pairing state as the input Hamiltonian is modified. Overall, we find that even though the mixed-spin correlation energy is suppressed in comparison to earlier work, the new pairing behavior persists. We also discuss the possibility of directly probing the mixed-spin pairing phase.
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One-neutron removal from 29Ne: Defining the lower limits of the island of inversion

One-neutron removal from 29Ne: Defining the lower limits of the island of inversion | Nuclear Physics | Scoop.it
Background: Very neutron-rich isotopes, including $^{30\ensuremath{-}32}\mathrm{Ne}$, in the vicinity of $N=20$ are known to exhibit ground states dominated by $fp$-shell intruder configurations: the ``island of inversion.'' Systematics for the Ne-isotopic chain suggest that such configurations may be in strong competition with normal shell-model configurations in the ground state of $^{29}\mathrm{Ne}$.
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What Is The Plum Pudding Atomic Model? - Universe Today

What Is The Plum Pudding Atomic Model? - Universe Today | Nuclear Physics | Scoop.it
The Plum Pudding Model, which was devised by J.J. Thompson by the end of the 19th century, was a crucial step in the development of atomic physics
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Helmholtz Graduate School for Hadron and Ion Research

Helmholtz Graduate School for Hadron and Ion Research | Nuclear Physics | Scoop.it
Theo J. Mertzimekis's insight:

Deadline is 05.02.2016

A great opportunity for undergrads

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Populating Low-Spin States in Radioactive Nuclei to Measure Magnetic Moments Using the Transient Field Technique

Populating Low-Spin States in Radioactive Nuclei to Measure Magnetic Moments Using the Transient Field Technique | Nuclear Physics | Scoop.it
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Evaluation of Radionuclide Emission into the Environment in the Case of the Accident on the Sunken Nuclear Submarine B-159

Evaluation of Radionuclide Emission into the Environment in the Case of the Accident on the Sunken Nuclear Submarine B-159 | Nuclear Physics | Scoop.it
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Angle-integrated measurements of the 26Al (d, n)27Si reaction cross section: a probe of spectroscopic factors and astrophysical resonance strengths

Angle-integrated measurements of the 26Al (d, n)27Si reaction cross section: a probe of spectroscopic factors and astrophysical resonance strengths | Nuclear Physics | Scoop.it
Theo J. Mertzimekis's insight:

Measurements of angle-integrated cross sections to discrete states in 27Si have been performed studying the 26Al (d, n) reaction in inverse kinematics by tagging states by their characteristic γ -decays using the GRETINA array. Transfer reaction theory has been applied to derive spectroscopic factors for strong single-particle states below the proton threshold, and astrophysical resonances in the 26Al (p,γ) 27Si reaction. Comparisons are made between predictions of the shell model and known characteristics of the resonances. Overall very good agreement is obtained, indicating this method can be used to make estimates of resonance strengths for key reactions currently largely unconstrained by experiment.

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Thorium Nuclear Fuel Testing Continues At Norway’s Halden Reactor

Thorium Nuclear Fuel Testing Continues At Norway’s Halden Reactor | Nuclear Physics | Scoop.it
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New chemistry revives elementary question

New chemistry revives elementary question | Nuclear Physics | Scoop.it
The periodic table is a public symbol of chemistry. But as it grows larger, we must stress that science is not just about producing lists, says Philip Ball.
Theo J. Mertzimekis's insight:

I would rather see a "lemmium" that a "levium" in the periodic table :-)

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Inspection of Objects on the Sea Floor Utilizing 14 MeV Tagged Neutrons

Inspection of Objects on the Sea Floor Utilizing 14 MeV Tagged Neutrons | Nuclear Physics | Scoop.it
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Prof. Andreas Schreyer is the new director of the large European ESS research centre

Prof. Andreas Schreyer is the new director of the large European ESS research centre | Nuclear Physics | Scoop.it
Your entry into the neutron world.
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Spectroscopic Quadrupole Moments in 96,98Sr: Evidence for Shape Coexistence in Neutron-Rich Strontium Isotopes at N=60

Spectroscopic Quadrupole Moments in 96,98Sr: Evidence for Shape Coexistence in Neutron-Rich Strontium Isotopes at N=60 | Nuclear Physics | Scoop.it
Neutron-rich $^{96,98}\mathrm{Sr}$ isotopes have been investigated by safe Coulomb excitation of radioactive beams at the REX-ISOLDE facility. Reduced transition probabilities and spectroscopic quadrupole moments have been extracted from the differential Coulomb excitation cross sections. These results allow, for the first time, the drawing of definite conclusions about the shape coexistence of highly deformed prolate and spherical configurations. In particular, a very small mixing between the coexisting states is observed, contrary to other mass regions where strong mixing is present. Experimental results have been compared to beyond-mean-field calculations using the Gogny D1S interaction in a five-dimensional collective Hamiltonian formalism, which reproduce the shape change at $N=60$.
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Investigation of the 241Am(n,2n)240Am cross section

Investigation of the 241Am(n,2n)240Am cross section | Nuclear Physics | Scoop.it
The $^{241}\mathrm{Am}(n,2n)^{240}\mathrm{Am}$ reaction cross section has been measured at four energies, 10.0, 10.4, 10.8, and 17.1 MeV, by means of the activation technique, relative to the $^{27}\mathrm{Al}(n,\ensuremath{\alpha})^{24}\mathrm{Na}$ reaction reference cross section. Quasi-monoenergetic neutron beams were produced via the $^{2}\mathrm{H}(d,n)^{3}\mathrm{He}$ and the $^{3}\mathrm{H}(d,n)^{4}\mathrm{He}$ reactions at the 5.5 MV Tandem T11/25 accelerator laboratory of NCSR ``Demokritos''. The high purity $^{241}\mathrm{Am}$ targets were provided by JRC-IRMM, Geel, Belgium. The induced $\ensuremath{\gamma}$-ray activity of $^{240}\mathrm{Am}$ was measured with high-resolution high-purity germanium (HPGe) detectors. Auxiliary Monte Carlo simulations were performed with the mcnp code. The present results are in agreement with data obtained earlier and predictions obtained with the empire code.
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X-ray breakthrough 'opens door' to controlled nuclear fusion

X-ray breakthrough 'opens door' to controlled nuclear fusion | Nuclear Physics | Scoop.it
Scientists have for the first time been able to monitor the flow of energy during fast ignition, a process that it hoped to be capable of creating controlled nuclear fusion
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Mikko Hakala's curator insight, January 19, 2016 3:21 PM

X-ray imaging helps develop fast ignition methods in nuclear fusion. The challenge is to follow where the energy of the high-intensity laser goes in the 2nd step of the ignition, the target area being the densest region of the compressed fuel.

 

To monitor this, Cu tracers are used, which are hit by fast electrons generated by the intensive laser. The resulting X-ray fluorescence radiation from Cu is then used for advanced spatial imaging of the energy deposition.

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Ultra-fast timing detectors to probe exotic properties of nuclei using RIB facility

Ultra-fast timing detectors to probe exotic properties of nuclei using RIB facility | Nuclear Physics | Scoop.it
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Coulomb breakup of neutron-rich 29,30Na isotopes near the island of inversion

Coulomb breakup of neutron-rich 29,30Na isotopes near the island of inversion | Nuclear Physics | Scoop.it
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A gas cell for stopping, storing and polarizing radioactive particles

A gas cell for stopping, storing and polarizing radioactive particles | Nuclear Physics | Scoop.it
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The NuGrid project

The Nucleosynthesis Grid (NuGrid) project develops and maintains tools for large scale post-processing nucleosynthesis simulations, and apply these to complete sets of quiescent and explosive nuclear production environments.
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Competition of β-delayed protons and β-delayed γ rays in 56Zn and the exotic β-delayed γ-proton decay

Competition of β-delayed protons and β-delayed γ rays in 56Zn and the exotic β-delayed γ-proton decay | Nuclear Physics | Scoop.it
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Independent measurement of the Hoyle state β feeding from 12B using Gammasphere

Independent measurement of the Hoyle state β feeding from 12B using Gammasphere | Nuclear Physics | Scoop.it
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