There continues to be good reason to believe that dark matter particles,which only"feel"the gravitational force,influence the local and distant Universe,despite drawing a complete blank in the search for suc...There continues to be good reason to believe that dark matter particles,which only"feel"the gravitational force,influence the local and distant Universe,despite drawing a complete blank in the search for such a particle.The expansion rate of the Universe is defined by the Hubble constant h.Measurements of the Hubble constant at different wavelengths produce different results,differing well beyond their errors.Here it is shown that the two precise but different values for the Hubble constant can be used to derive the mass of a weakly interacting massive particle(WIMP).An approximate mass of 1022 eV is determined with indications of why,so far,it has not been found and what is required to get positive confirmation of its presence.This result also indicates that the Hubble constant is the sum of more than one contribution with suggestions for experimental tests to determine,more precisely,the level of these contributions.展开更多
I am not an expat,but I come to China so of ten I feel like one.My mission is to build UK Chinese links in innovation.It is recognized that innovation flowers at the intersection of cultures either in time or space.Fo...I am not an expat,but I come to China so of ten I feel like one.My mission is to build UK Chinese links in innovation.It is recognized that innovation flowers at the intersection of cultures either in time or space.For me the differences in culture be tween Europe and China are amazing and展开更多
基金the support given by the Fred Hoyle Cosmology Club。
文摘There continues to be good reason to believe that dark matter particles,which only"feel"the gravitational force,influence the local and distant Universe,despite drawing a complete blank in the search for such a particle.The expansion rate of the Universe is defined by the Hubble constant h.Measurements of the Hubble constant at different wavelengths produce different results,differing well beyond their errors.Here it is shown that the two precise but different values for the Hubble constant can be used to derive the mass of a weakly interacting massive particle(WIMP).An approximate mass of 1022 eV is determined with indications of why,so far,it has not been found and what is required to get positive confirmation of its presence.This result also indicates that the Hubble constant is the sum of more than one contribution with suggestions for experimental tests to determine,more precisely,the level of these contributions.
文摘I am not an expat,but I come to China so of ten I feel like one.My mission is to build UK Chinese links in innovation.It is recognized that innovation flowers at the intersection of cultures either in time or space.For me the differences in culture be tween Europe and China are amazing and
