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Article: Proton spin plays key role in smash hits. (collisions between subatomic particles)
- Article from:
- Science News
- Article date:
- November 3, 1990
- Author:
CopyrightCOPYRIGHT 1990 Science Service, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Proon spin plays key role in smash hits
Like mass and electrical charge, spin is one of the fundamental properties used to characterize subatomic particles such as protons. High-precision measurements now reveal that a proton's spin seems to have a surprisingly strong effect on the outcome of violent collisions between protons.
"We find that there are very large spin effects in very violent proton-proton collisions, where two protons bounce off each other," says Alan D. Krisch of the University of Michigan in Ann Arbor. "Our data make it quite clear that there are large spin effects . . . where [most theoretical models] had said there should be no spin ...
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