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Michael Arias Contract Details, Salaries, & Earnings

Michael Arias contract details, salary breakdowns, payroll salaries, bonuses, career earnings, market value, transactions and statistics. ....

Google Adsense , Michael Arias , Chicago Cubs ,

ISOLDE sees shape shifting in gold nuclei

A little like humans, the nuclei of atoms tend to shrink as they lose weight. But atomic nuclei are complex quantum systems formed from neutrons and protons that are themselves composite particles made of quarks. As such, their usually spherical or nearly spherical shapes do not always simply shrink as particles are removed from their interior. In fact, exotic, neutron-deficient mercury and bismuth nuclei have been seen to alternate dramatically from football (soccer) to rugby ball shapes as single neutrons are removed from the nucleus. A new study conducted at CERN’s ISOLDE facility now finds that neutron-deficient gold nuclei also display such shape shifting. The finding, described in a paper just published in Physical Review Letters, comes a little more than 50 years after the phenomenon was first discovered in the light mercury nuclei, also at ISOLDE. Belated happy golden anniversary, shape shifting. To investigate gold nuclei, which have 79 protons, the team behind the new study ....

James Cubiss , Physical Review Letters , Arge Hadron Collider , High Energy Physics ,

Experiments on QED with Strong Electromagnetic Fields

Experiments on QED with Strong Electromagnetic Fields
home.cern - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from home.cern Daily Mail and Mail on Sunday newspapers.

Arge Hadron Collider , High Energy Physics ,

Thick-skinned: Using heavy-ion collisions at the LHC, scientists determine the thickness of neutron "skin" in lead-208 nuclei

Lead-208 has an intriguing nucleus. It is neutron rich, containing 82 protons and 126 neutrons. One of its more interesting properties is its structure: its centre is composed of both protons and neutrons, but at its edge, there is a diffuse shell of mostly neutrons. Scientists call this the neutron “skin.” Research into the neutron skin can help deepen our understanding of quantum chromodynamics, that is, how quarks and gluons (exchange particles of the strong force) in the nucleus behave. This can also have applications in astrophysics, giving insight into the structure of neutron stars – the very dense core left behind after a star between 10 and 25 times the mass of the Sun has undergone a supernova explosion. Using data from heavy-ion runs of the Large Hadron Collider, theoretical physicists at CERN have been able to determine the thickness of the lead-208 neutron skin to be 0.217±0.058 femtometres. This is in line with previous measurements obtained by other collaborations ....

United States , Giuliano Giacalone , Heidelberg University , Thomas Jefferson National Accelerator Facility , Theoretical Physics Department , Large Hadron Collider , Big Bang , Lead Radius Experiment , Arge Hadron Collider , High Energy Physics ,