Parity Violation and BSM Aspects
Parity Violation and BSM Aspects
Parity Violation and BSM Aspects
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Qweak at JLab & Beyond<br />
Qweak at Jefferson Laboratory<br />
p<br />
Q weak<br />
A PV<br />
in elastic e-p scattering:<br />
= 2C 1u<br />
+ C 1d ∝1− 4sin 2 ϑ W<br />
Contains G γ E,M <strong>and</strong> G Z E,M,<br />
Extracted using global fit<br />
of existing PVES experiments!<br />
•Data ~ 2010 thru mid-2012<br />
New, complementary constraints on leptonquark<br />
interactions at the TeV scale<br />
Future:<br />
•C 2u <strong>and</strong> C 2d are small <strong>and</strong> poorly known: one combination can be accessed in PV DIS<br />
New physics such as compositeness, leptoquarks:<br />
Deviations to C 2u <strong>and</strong> C 2d might be fractionally large<br />
29 September 2009 <strong>Parity</strong> <strong>Violation</strong> <strong>and</strong> <strong>BSM</strong> <strong>Aspects</strong><br />
Isoscalar weak charge<br />
Young et.<br />
al<br />
Isovector weak charge<br />
•Ultra-high precision with MOLLER proposal (factor of 5 better than E158)<br />
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