By comparing the cross Sections for left-and right-handed electrons scattered from various unpolarized nuclear targets,the small parity-violating asymmetry can be measured.These asymmetry data probe a wide variety of ...By comparing the cross Sections for left-and right-handed electrons scattered from various unpolarized nuclear targets,the small parity-violating asymmetry can be measured.These asymmetry data probe a wide variety of important topies,including searches for new fundamental interactions and important features of nuclear structure that cannot be studied with other probes.A special feature of these experiments is that the results are interpreted with remarkably few theoretical uncertainties,which justifies pushing the experiments to the highest possible precision.To measure the small asymmetries accurately,a number of novel experimental techniques have been developed.展开更多
基金Department of Energy(DOE)under grants DE-FG02-84ER40146(PAS)DE-FG02-07ER41522(KDP).
文摘By comparing the cross Sections for left-and right-handed electrons scattered from various unpolarized nuclear targets,the small parity-violating asymmetry can be measured.These asymmetry data probe a wide variety of important topies,including searches for new fundamental interactions and important features of nuclear structure that cannot be studied with other probes.A special feature of these experiments is that the results are interpreted with remarkably few theoretical uncertainties,which justifies pushing the experiments to the highest possible precision.To measure the small asymmetries accurately,a number of novel experimental techniques have been developed.