نتایج جستجو برای: protons
تعداد نتایج: 22490 فیلتر نتایج به سال:
We explore a novel mechanism to restrict TeV-scale leptoquark interactions and render the proton exactly stable all orders in effective field theory expansion. A scalar condensate breaks lepton-flavoured U(1)X gauge symmetry ultraviolet generates neutrino masses, leaving discrete Z9 or Z18 infrared, forbidding ?B=1 processes. This provides an elegant framework address flavour anomalies can be a...
Cosmic rays are particles (mostly protons) accelerated to relativistic speeds. Despite wide agreement that supernova remnants (SNRs) are the sources of galactic cosmic rays, unequivocal evidence for the acceleration of protons in these objects is still lacking. When accelerated protons encounter interstellar material, they produce neutral pions, which in turn decay into gamma rays. This offers ...
(Received February 1, 2008) As pointed out by Kutschera and Wójcik, very low concentration of protons combined with a specific density dependence of effective neutron– proton interaction could lead to a localization of “proton impurities” in neutron medium at densities exceeding four times normal nuclear matter density. We study consequences of the localization of protons for transport processe...
Passive movements of Li in dog red blood cells (RBC) ar like those of Na and protons in being stimulated by osmotic cell shrinkage and inhibited by amiloride. Li and protons have similar asymmetrical effects on Na-H exchange. When the intracellular fluid is made rich in Li or protons, Na-H exchange is stimulated. When the extracellular fluid is enriched in Li or protons, Na-H exchange is inhibi...
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