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Dortmund 2006 – scientific programme

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T: Teilchenphysik

T 502: BSM II

T 502.1: Talk

Thursday, March 30, 2006, 16:20–16:40, P1-02-323

What is the Discrete Gauge Symmetry of the MSSM? — •Christoph Luhn — Physikalisches Institut der Universität Bonn, Nußallee 12, 53113 Bonn

We systematically study the extension of the Supersymmetric Standard Model by an anomaly-free discrete gauge symmetry ZN. We extend the work of Ibáñez and Ross with N=2,3 to arbitrary values of N. As new fundamental anomaly-free symmetries we find four Z6, nine Z9 and nine Z18. If we impose certain phenomenological requirements we are left with two symmetries: baryon-triality B3 and a new Z6 symmetry, which we call proton-hexality P6. This we propose as the discrete gauge symmetry of the MSSM, instead of R-parity.

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