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Outline Solutions to Particle Physics Problem Sheet 1
Outline Solutions to Particle Physics Problem Sheet 1

Neutrons Hologram
Neutrons Hologram

... single-particle excitations in nuclei and proposes a quantitative theoretical explanation. It has as such great potential to advance our understanding of nuclear structure. The nucleus of 133Sb is particular interesting because its immediate neighbor 132Sn is a so-called double magic nuclide. Out of ...
Quantum measurements and chiral magnetic effect
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... • positive, i.e. detector measuring currents along the field clicks more often than the one in perpendicular direction • caused by the same term in the Green’s function which is responsible for triangle anomaly • no higher orders in magnetic field, the asymmetry is quadratic in В for whatever field, ...
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... The history of supersymmetry is exceptional. In the past, virtually all major conceptual breakthroughs have occurred because physicists were trying to understand some established aspect of nature. In contrast, the discovery of supersymmetry in the early 1970s was a purely intellectual achievement, d ...
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Dark Matter and Dark Energy - Hitoshi Murayama Home Page

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2010 Q10 - Loreto Balbriggan

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From the last time… - UW High Energy Physics

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The Big Bang, the LHC and the God Particle

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Strangeness production in Heavy Ion Collisions

... We see that the cross­section for production from gluons dominate at  high energies. At low energies production from light quarks dominate.  Fig 18.4 ...
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cernTalk_nov2013

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Quantum chromodynamics

In theoretical physics, quantum chromodynamics (QCD) is the theory of strong interactions, a fundamental force describing the interactions between quarks and gluons which make up hadrons such as the proton, neutron and pion. QCD is a type of quantum field theory called a non-abelian gauge theory with symmetry group SU(3). The QCD analog of electric charge is a property called color. Gluons are the force carrier of the theory, like photons are for the electromagnetic force in quantum electrodynamics. The theory is an important part of the Standard Model of particle physics. A huge body of experimental evidence for QCD has been gathered over the years.QCD enjoys two peculiar properties:Confinement, which means that the force between quarks does not diminish as they are separated. Because of this, when you do separate a quark from other quarks, the energy in the gluon field is enough to create another quark pair; they are thus forever bound into hadrons such as the proton and the neutron or the pion and kaon. Although analytically unproven, confinement is widely believed to be true because it explains the consistent failure of free quark searches, and it is easy to demonstrate in lattice QCD.Asymptotic freedom, which means that in very high-energy reactions, quarks and gluons interact very weakly creating a quark–gluon plasma. This prediction of QCD was first discovered in the early 1970s by David Politzer and by Frank Wilczek and David Gross. For this work they were awarded the 2004 Nobel Prize in Physics.The phase transition temperature between these two properties has been measured by the ALICE experiment to be well above 160 MeV. Below this temperature, confinement is dominant, while above it, asymptotic freedom becomes dominant.
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