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Generalized Lagrange Structure of Deformed Minkowski Spacetime
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作者 Roberto Mignani Fabio Cardone Andrea Petrucci 《Natural Science》 2014年第6期399-410,共12页
We discuss the generalized Lagrange structure of a deformed Minkowski space (DMS), , namely a (four-dimensional) generalization of the (local) space-time based on an energy-dependent “deformation” of the usual Minko... We discuss the generalized Lagrange structure of a deformed Minkowski space (DMS), , namely a (four-dimensional) generalization of the (local) space-time based on an energy-dependent “deformation” of the usual Minkowski geometry. In , local Lorentz invariance is naturally violated, due to the energy dependence of the deformed metric. Moreover, the generalized Lagrange structure of allows one to endow the deformed space-time with both curvature and torsion. 展开更多
关键词 DEFORMED SPACE-TIME LORENTZ INVARIANCE GENERALIZED LAGRANGE Space
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Neutron Imaging by Boric Acid
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作者 Fabio Cardone Giovanni Cherubini +2 位作者 Walter Perconti Andrea Petrucci Alberto Rosada 《Detection》 2013年第2期30-35,共6页
In this paper a new type of passive neutron detector based on the already existing one, CR39, is described. Its operation was verified by three different neutron sources: an Americium-Beryllium (Am241-Be) source;a TRI... In this paper a new type of passive neutron detector based on the already existing one, CR39, is described. Its operation was verified by three different neutron sources: an Americium-Beryllium (Am241-Be) source;a TRIGA type nuclear reactor;and a fast neutron reactor called TAPIRO. The obtained results, reported here, positively confirm its operation and the accountability of the new developed detecting technique. 展开更多
关键词 Neutrons NEUTRON Passive Detectors BORON Photographic Film PADC NUCLEAR TRACK Detectors (CR39) NEUTRON SPECTROMETER
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