نتایج جستجو برای: field anomaly and
تعداد نتایج: 16939366 فیلتر نتایج به سال:
We study the structure of soft breaking terms in the context of a gaugino condensation scenario. Assuming that the Supergravity Lagrangian is the correct quantum field theory limit, at some momentum scale µ U V , of a more fundamental one, we demonstrate that the correct result is obtained simply by substituting, in the tree level Supergravity Lagrangian, λλ (the gaugino condensate) by its vacu...
One of the most direct manifestations of closed quark loop effects is in the mass of the flavor singlet pseudoscalar η meson. The η propagator includes not only the valence quark-antiquark term that appears in the nonsinglet propagator, but also the contribution from diagrams in which the valence quark and antiquark annihilate. These “hairpin” diagrams probe the topological structure of the gau...
wireless sensor networks (wsns) are one of the most interesting consequences of innovations in different areas of technology including wireless and mobile communications, networking, and sensor design. these networks are considered as a class of wireless networks which are constructed by a set of sensors. a large number of applications have been proposed for wsns. besides having numerous applic...
changing altimetry information from satellites on the surface of seas and oceans, into anomaly gravity for example free air anomaly, is a fundamentally new method presented by researches. the determination of the free air gravity anomaly over the earth’s marine regions has led to a major improvement in our understanding of plate tectonic processes relating to oceanic ridges, the formation of ma...
[1] Reliable global crustal field anomaly maps produced from magnetic measurements of the CHAMP satellite mission now allow for quantitative geological studies of crustal structure and composition. We have developed a GIS based forward modeling technique to model these anomaly maps. On the basis of the geologic and tectonic maps of the world, laboratory susceptibility values of the occurring ro...
Introduction: cases have been reported worldwide, including 3 with shoulder dislocation.Ulnar dimelia (mirror hand) is a congenital anomaly of upper extremities. Approximately 70Case Report: wrist and hand_with substitution of the radial elements. The patient underwent amputation of the 1st and the3rd digits and their corresponding metacarpus with classic policization of the 2nd digit.Herein we...
Anomalous emanation of radon (222Rn) was observed preceding large earthquakes and is considered to be linked to preseismic electromagnetic phenomena (e.g. great changes of atmospheric electric field and ionospheric disturbances). Here we analyze atmospheric radon concentration and estimate changes of electrical conditions in atmosphere due to preseismic radon anomaly. The increase of radon eman...
The ’t Hooft anomaly matching conditions are a standard tool to study and test nonperturbative issues in quantum field theory. We give a new, simple proof of the anomaly matching conditions in 2D Poincarè invariant theories. We consider the case of invariance under a large class of generalized symmetries, which include abelian and non-abelian internal symmetries, space-time symmetries generated...
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