Phys. Rev. Lett. 81, 1805 - 1808 (1998)Longitudinal and Transverse Cross Sections in the 1H(e, e′K+)Λ Reaction |
PRL Celebrates 50 Years
This Week's Milestone Letters are from 1981: |
Received 27 March 1998
The 1H(e,e′K+)Λ reaction was studied as a function of the squared four-momentum transfer, Q2, and the virtual photon polarization, ɛ. For each of four Q2 settings, 0.52, 0.75, 1.00, and 2.00 (GeV/c)2, the longitudinal and transverse virtual photon cross sections were extracted in measurements at three virtual photon polarizations. The Q2 dependence of the σL/σT ratio differs significantly from current theoretical predictions. This, combined with the precision of the measurement, implies a need for revision of existing calculations.
©1998 The American Physical Society
URL: http://link.aps.org/abstract/PRL/v81/p1805
DOI: 10.1103/PhysRevLett.81.1805
PACS: 25.30.Rw, 13.40.Gp, 14.40.Aq
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