---+ Experimental tests of the spin of the top quark
1.
Compute analytically the partonic cross sections for $q \bar q \to t \bar t$ and $g g \to t \bar t$ for t spin 1/2 and spin 0 at the tree level. Check your results against the LO results available in the literature:
with
2.
Consider the behaviour at threshold and also the relative sizes of the cross sections for corresponding masses.
3.
Use any MC at tree level to calculate the cross sections for tops and stops at the Tevatron and the LHC. Make plots of the distributions and in particular of $m_tt$.
4.
Compare your findings with Top Spin and experimental tests, by Ed Berger and Tim Tait.
-- Main.FabioMaltoni - 03 Dec 2008
Attachments (9)
- latexf8e965df2b184366dad60eac718da16a.png (284 bytes ) - added by 13 years ago.
- latexfeedd4a97e561b107c249d04e0858e6c.png (1.0 KB ) - added by 13 years ago.
- latex7a1567cf3151bd8112e15fddd9fdbc4a.png (1.9 KB ) - added by 13 years ago.
- latex63e234ae0e2f9f01fefab397833b8ab1.png (866 bytes ) - added by 13 years ago.
- latex26f7c049e970130dca1cf9cb16f6c1c1.png (336 bytes ) - added by 13 years ago.
- latex474d76df0ba6042ad443e34058a49a11.png (494 bytes ) - added by 13 years ago.
- latex462e617012b82e29f3d93474ea601ee2.png (478 bytes ) - added by 13 years ago.
- latex3e2caf5bb6075fb4044512523e688961.png (349 bytes ) - added by 13 years ago.
- latex4d31e7889402b5ffb3432b5cbeace566.png (1.9 KB ) - added by 13 years ago.
Download all attachments as: .zip