Results 131 to 140 of about 67,918,426 (287)
Mass effect in polarization investigation at BEPC/BES and the B-factory
, 2012 We consider the annihilation process of an electron-positron pair into a pair of heavier fermions when the initial electron and position beams are polarized.
Bo-Qiang Ma +2 more
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New U(1) Gauge Symmetry of Quarks and Leptons
, 2002 Instead of anchoring the seesaw mechanism with the conventional heavy right-handed neutrino singlet, a small Majorana neutrino mass may be obtained just as well with the addition of a heavy triplet of leptons per family to the minimal standard model of ...
ERNEST MA +3 more
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Using Data in Undergraduate Science Classrooms [PDF]
, 2007 Provides pedagogical insight concerning the skill of using data The resource being annotated is: http://www.dlese.org/dds/catalog_DATA-CLASS-000-000-000-007 ...
Lamont-Doherty Earth Observatory, Columbia University
core
Regularizing the quark-level $\sigma$ model
, 1998 We show that the finite difference, $-i\pi^2 m^2$, between quadratic and logarithmic divergent integrals $\int d^4p[m^2(p^2-m^2)^{-2}-(p^2-m^2)^{-1}]$, as encountered in the linear $\sigma$ model, is in fact regularization independent.Comment: 9 pages, 2
A. A. RAWLINSON +3 more
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