KEK-ATF is studying the low-emittance multi-bunch electron beam for the future linear collider. In ATF, thermionic gun is used to generate 20 bunches electron beam with the bunch spacing of 2.8 ns.

Nick Buttrick receives funding from the National Science Foundation and the Wisconsin Department of Justice. Gun ownership in the United States is widespread and cuts across all sorts of cultural ...

This story first appeared in NPR's live blog of the presidential debate between Kamala Harris and Donald Trump. See how the night unfolded. Vice President Harris cited the fact she is a gun owner in ...

Anna Schecter is the senior coordinating producer for CBS News and Stations' Crime and Public Safety Unit, based in New York. After multiple mass shootings, including school shootings, then-Rep. Tim ...

Perhaps no topic divides voters more deeply than the role that firearms have in American life. By overwhelming margins, Joe Biden’s supporters prioritize gun control over gun rights and say gun ...

Jonathan M. Metzl, MD, PhD, directs the Department of Medicine, Health, and Society at Vanderbilt University and is author, most recently, of What We’ve Become: Living and Dying in a Country of Arms ...

Pew Research Center conducted this study to better understand Americans’ views of gun ownership. For this analysis, we surveyed 5,115 adults from June 5-11, 2023. Everyone who took part in this survey ...

This article is more than 2 years old. Researchers from Children’s Hospital Philadelphia, Columbia University Mailman School of Public Health and the University of California examined two decades of ...

The use of ghost guns — homemade firearms that can be built from parts bought online or with 3D printers — in U.S. crimes has risen more than 1,000% since 2017, the Department of Justice said in a ...

A quick guide to the debate over gun legislation in the United States. By The New York Times As the number of mass shootings in America continues to rise, gun control — a term used to describe a wide ...