Bulletin of the American Physical Society
Joint Fall 2011 Meeting of the APS New England Section and the New England Section of the American Association of Physics Teachers (NES/AAPT)
Volume 56, Number 17
Friday–Saturday, November 18–19, 2011; Amherst, Massachusetts
Session F4: Theory |
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Chair: John Donoghue, UMass Amherst Room: Campus Center 101 |
Saturday, November 19, 2011 8:00AM - 8:12AM |
F4.00001: New insights into the nucleon structure through bag model studies of the energy momentum tensor Matthew Neubelt, Peter Schweitzer Information about the energy momentum tensor of the nucleon can in principle be inferred from studies of generalized parton distribution functions which enter the description of hard exclusive reactions. Presently the data do not yet allow to deduce model-independent information, and results from effective models are of great interest. We present first results on the energy momentum tensor of the nucleon from the MIT bag model. In particular, also the bag model predicts the constant d1 to be negative in agreement with results from lattice QCD, and other approaches. [Preview Abstract] |
Saturday, November 19, 2011 8:12AM - 8:24AM |
F4.00002: Density Matrices in the Quenching of Positronium by Electron Exchange Sudha Swaminathan, Wyatt Merrill, Stephen Glynn, Joseph Quattrucci Electron exchange in a single collision between \textit{ortho} positronium and a target with one unpaired electron can result in the conversion (quenching) of the long-lived \textit{ortho} positronium into the short-lived \textit{para} positronium. The probabilities of forming \textit{para} and\textit{ ortho} positronium after the collision are calculated using angular-momentum coupling and density-matrix techniques. The fraction of the initial \textit{ortho} positronium that is converted to \textit{para} positronium (quenching fraction) is given in terms of complex scattering amplitudes labeled with total electron spin. Quenching fractions are obtained for polarized and unpolarized targets, with and without detection of the spin of the target after the collision. [Preview Abstract] |
Saturday, November 19, 2011 8:24AM - 8:36AM |
F4.00003: Hadronic Parity Violation Jared Vanasse For 50 years the field of hadronic parity violation has been unresolved. Since the 1980's the standard theoretical framework for hadronic parity violation has been the DDH model. However, discrepancies between the DDH model and experiment have called the use of this model into question. At low energies a new model independent analysis of hadronic parity violation can be carried out via pionless effective field theory. With the use of pionless effective field theory and new precision experiments, focusing on systems with $\mathrm{A} \leq 4$ in order to eliminate nuclear physics uncertainties, the field of hadronic parity violation at low energies will finally be understood. This talk will give an overview of the theory and possible future experiments in this old yet still exciting field. [Preview Abstract] |
Saturday, November 19, 2011 8:36AM - 8:48AM |
F4.00004: A non-QM explanation of Jacques' (2007) ``Wheeler gedanken experiment with delayed choice,'' without delayed choice Jeffrey Boyd The publication in Science in 2007 of Jacques et al ``Experimental realization of Wheeler's delayed-choice gedanken experiment,'' appears to demonstrate many counter-intuitive ideas. The solidity of those conclusions depends on whether quantum mechanics (QM) provides the ONLY available explanation of the experiment. By thinking outside the box we have arrived at a different explanation of that experiment. QM is the box outside of which we think, not because of criticism of QM, but in order to explore an unconventional viewpoint. Our explanation is based on elementary waves. We find no delayed choice. What appears to be delayed choice is an illusion. We also find local cause and effect. This does not prove that our way of thinking is correct. It simply means that we propose an alternative explanation of the experiment that does not lead to all those counter-intuitive ideas. [Preview Abstract] |
Saturday, November 19, 2011 8:48AM - 9:00AM |
F4.00005: Hermann Grid's Dark Diagonals Disprove QM's ``Beliefs,'' Reveal Stringy Electron, Nucleons, Stick Figure Constellations Roger David McLeod, David Matthew McLeod Vision detects electric field amplitude information from spatial Fourier transforms, SFTs, of object space. Optics states: at focal, not image, surfaces, for Hermann, and pincushion, grids. Von B\'{e}k\'{e}sy's skin pressure experiments prove brain circuitry interprets focal diffraction patterns as inverse SFTs. This knocks out QM beliefs, enhanced by Schr\"{o}dinger's electron assertions. Mc Leods' electron string model, based on a neutrino in chiral embrace with a parallel, magnetically repellant, antineutrino, transversely aligned in continuous pairings along each wave-string's closure. This generalized, in Recife, PE, Brazil, to the three-ring, up quark, down quark, up quark, of our \textbf{\textit{Dumbo Proton}}, underpass-overpass string. Cut by an antineutrino scissor, and merged with our compressed, neutrino-cut electron, a \textbf{\textit{Mickey Neutron}} with over- or underpass pairs only, emerges, is unstable, and is of \textbf{\textit{4/3 e}} string units length. \textbf{\textit{Dumbo Proton}} is \textbf{\textit{5/3 e}} units; this string theory predicts a \textbf{\textit{Trinitarian Electron}}, with charge \textbf{\textit{-1/3 e}}, whatever phase, Standing Wave Up, SWU, Traveling Wave, TW, or Standing Wave Down, SWD. It explains solar neutrino flux factor 3 shortfall. Camcorders capture this electron at gigapower \textbf{\textit{n}} values. \textbf{\textit{Peruvian Nazcans recorded high energy, composite nucleon trajectories for us, as ``applied optical (VISION) physicists.'' }} [Preview Abstract] |
Saturday, November 19, 2011 9:00AM - 9:12AM |
F4.00006: For AAPT: Teaching the Wave Mechanics of McLeods' Stringy Electron, Explicit Nucleons, and Through-the-Earth Projections of Constellations' Stick Figures David Matthew McLeod McLeods' NEF11{\#}22 submission is from their same-title INVITED presentation at Frontiers in Optics 2011, San Jose, CA. It shows how Hooke's law for electron, proton and neutron strings build electromagnetic waves from strings. These are composed of spirally linked, parallel, north-pole oriented, neutrino and antineutrino strings, stable because of magnetic repulsions. Their Dumbo Proton is antineutrino-scissor cut, and compressed in the vicinity of a neutron star, where electrostatic marriage occurs with a neutrino-scissor cut, and compressed, electron, so a Mickey Neutron emerges. Strings then predict electron charge is \textbf{\textit{-- 1/3 e}}, Dumbo P is 25 {\%} longer than Mickey N, and Hooke says relaxing springs fuel three separate inflations after each Big Bang oscillation. Gravity can be strings longitudinally linked. Einstein says Herman Grid's black diagonals prove human vision reads its information from algebraically-signed electromagnetic field diffraction patterns known by ray-tracing, not difficult Spatial Fourier Transformation. High-schoolers understand its application to Wave Mechanics, and agree that positive-numbered probabilities do not enter to possibly displease God. Stick figure constellations detected, like Phoenix, Leo, Canis Major, and especially Orion, fool some observers into false beliefs in things like UFHumanoids, or Kokopelli, Pele and Pamola! [Preview Abstract] |
Saturday, November 19, 2011 9:12AM - 9:24AM |
F4.00007: The Horizon of the Universe could be the source of the Electroweak Force Richard Kriske In Physics the problem of observers and observed plays a central role. A Blue Photon in is created, in one observers reference frame, that is far from another observer, at the Horizon of the his reference frame, when it reaches him it is a red photon, because there is a third observer present and that is the photon itself. The photon carries information with itself in its travels, as to where the time-normal was where it was created. If one agrees that the time normal points away from the observer at the Horizon, photons coming from there are red shifted, this is true of Black Hole Horizons as well. What about photons coming from over the Horizon? They go to radio frequency, but then are Blue Shifted using the same paradigm. The only way to Blue Shift a photon in this way is to give it mass and all of the trappings of mass, like charge. This is a particular type of Blue Shifting where the time vector points in an unusual direction. This CPT violation is commonly seen in the Electroweak Force, as at the Horizon the time vector only points out, away from the observer and is no longer part of 4 dimensional space-time. This symmetry breaking at the Horizon causes the Electromagnetic Force to become the Electroweak Force, and a Gauge is establish that is easily recognized. Using this idea a General Procedure for the Construction of Matter from Energy can be written. The easier parts are seen in a slightly curved environment like the Sun. [Preview Abstract] |
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