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efectos de la presión hidrostática sobre la energía de enlace para
efectos de la presión hidrostática sobre la energía de enlace para

... In the limit Det M   0 the mass matrix structure is determined by the Yukawa couplings ...
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... Neutrino oscillation predicts neutrinos are produced with one of three lepton flavours and can later be measured to have a different flavour. As the original experiments were not engineered to detect all three flavours, the observed number was typically one third to one half of the predicted number. ...
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... want to continue reading. Other excellent sources are the PDG review articles. Discussion 0.1 What is flavor physics? Why are we interested in it (there are many dedicated experiments: LHCb, Belle II, NA62, plus many specialized experiments . . . ) Well, I can tell you why I am interested in flavor ...
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... discussed here; it could be connected with the nonstrict conservation law for some ~ 0 mesons, the kind of quantum number (neutrino charge?) in analogy with К0 and K distinction between which is connected with the nonstrict conservation law for strangeness [2]. It follows from a) and b) that neutrin ...
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... state interaction between neutrinos and nuclei that is strong for v3, and negligibly weak for v 2 and especially vi. We have found two interactions that satisfy this requirement, one through neutral pions (perhaps the most interesting and surprising result of this study), and the other through axion ...
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... the Lamb shift [2] in muonic hydrogen, where a proton is surrounded by a muon instead of an electron. However, this new value differed by 7σ from what was previously determined in ordinary hydrogen [3]. This large discrepancy was coined the “proton radius puzzle” and challenges our understanding of ...
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... At low pT the predicted D/B (electron) suppression is smaller than the one for light particles At pT > 40 GeV they become comparable. (Residual matching model dependence) LHC is critical to cover the pT range needed for b-quark, Bmeson dynamics ...
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... LEP. A new electron-positron collider is being planned to probe the Higgsboson-like particle that has now been discovered in the Large Hadron Collider (LHC) at CERN. Another high-energy project at Darmstadt in Germany, FAIR (Facility for Antiproton and Ion Research), will use high-intensity antiprot ...
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Jack Steinberger - Nobel Lecture

... the target material. Iron has roughly equal numbers of protons and neutrons. For such nuclei, the cross-sections can be expressed in terms of the total quark and total antiquark distributions in the proton. Let u(x), d(x), s(x), c(x), etc., be the up, down, strange, charm, etc., quark distributions ...
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... In 1952, Nambu [5] proposed a unit of mass MN = me / α ≈ 137 me, where me is the electron mass and α is the fine-structure constant. He suggested that the mass of a particle can be written as m(N) ≈ N MN , where N is “mass number,” which can be either integer {0, 1, 2 ...} or half-integer {1/2, 3/2, ...
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... D. B. Leinweber, S. Boinepalli, A. W. Thomas†, P. Wang, A. G. Williams, R. D. Young†, J. M. Zanotti, and J. B. Zhang By combining the constraints of charge symmetry with new chiral extrapolation techniques and recent low-mass quenched lattice QCD simulations of the individual quark contributions to ...
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... Study of 0nbb decay entered a new era. No longer is the aim just to push the sensitivity higher and the background lower, but to explore specific regions of the values. In agreement with the `phased’ program the plan is to explore the `degenerate’ region (0.1-1 eV) first, with ~100 kg sources, ...
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Note 2e - Decay Processes

... It turns out that the linear momentum & angular momentum are also violated, and a third particle is needed in order for both momenta to be balanced before & after the  decay ...
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Common problem against B and L genesis and its possible resolution

... Preheating: new understanding of entropy production before thermalization stage • Non-perturbative effect of parametric resonance, leading to Complicated high energy phase of reheating, i.e. preheating、 may be used for dilution of gravitino bundance Common to copious non-thermal production of R-Maj ...
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Muon

The muon (/ˈmjuːɒn/; from the Greek letter mu (μ) used to represent it) is an elementary particle similar to the electron, with electric charge of −1 e and a spin of 1⁄2, but with a much greater mass (7002105700000000000♠105.7 MeV/c2). It is classified as a lepton, together with the electron (mass 6999511000000000000♠0.511 MeV/c2), the tau (mass 7003177682000000000♠1776.82 MeV/c2), and the three neutrinos (electron neutrino νe, muon neutrino νμ and tau neutrino ντ). As is the case with other leptons, the muon is not believed to have any sub-structure—that is, it is not thought to be composed of any simpler particles.The muon is an unstable subatomic particle with a mean lifetime of 6994220000000000000♠2.2 µs. Among all known unstable subatomic particles, only the neutron (lasting around 15 minutes) and some atomic nuclei have a longer decay lifetime; others decay significantly faster. The decay of the muon (as well as of the neutron, the longest-lived unstable baryon), is mediated by the weak interaction exclusively. Muon decay always produces at least three particles, which must include an electron of the same charge as the muon and two neutrinos of different types.Like all elementary particles, the muon has a corresponding antiparticle of opposite charge (+1 e) but equal mass and spin: the antimuon (also called a positive muon). Muons are denoted by μ− and antimuons by μ+. Muons were previously called mu mesons, but are not classified as mesons by modern particle physicists (see § History), and that name is no longer used by the physics community.Muons have a mass of 7002105700000000000♠105.7 MeV/c2, which is about 207 times that of the electron. Due to their greater mass, muons are not as sharply accelerated when they encounter electromagnetic fields, and do not emit as much bremsstrahlung (deceleration radiation). This allows muons of a given energy to penetrate far more deeply into matter than electrons, since the deceleration of electrons and muons is primarily due to energy loss by the bremsstrahlung mechanism. As an example, so-called ""secondary muons"", generated by cosmic rays hitting the atmosphere, can penetrate to the Earth's surface, and even into deep mines.Because muons have a very large mass and energy compared with the decay energy of radioactivity, they are never produced by radioactive decay. They are, however, produced in copious amounts in high-energy interactions in normal matter, in certain particle accelerator experiments with hadrons, or naturally in cosmic ray interactions with matter. These interactions usually produce pi mesons initially, which most often decay to muons.As with the case of the other charged leptons, the muon has an associated muon neutrino, denoted by νμ, which is not the same particle as the electron neutrino, and does not participate in the same nuclear reactions.
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