Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2007-10-31
JHEP0801:024,2008
Physics
High Energy Physics
High Energy Physics - Phenomenology
28 pages, 13 figures. Uses JHEP format
Scientific paper
10.1088/1126-6708/2008/01/024
To properly discover a charged Higgs Boson ($H^\pm$) requires its spin and couplings to be determined. We investigate how to utilize $\ttbar$ spin correlations to analyze the $H^\pm$ couplings in the decay $t\to bH^+\to b\tau^+\nu_\tau$. Within the framework of a general Two-Higgs-Doublet Model, we obtain results on the spin analyzing coefficients for this decay and study in detail its spin phenomenology, focusing on the limits of large and small values for $\tan\beta$. Using a Monte Carlo approach to simulate full hadron-level events, we evaluate systematically how the $H^\pm\to\tau^\pm\nu_\tau$ decay mode can be used for spin analysis. The most promising observables are obtained from azimuthal angle correlations in the transverse rest frames of $t(\bar{t})$. This method is particularly useful for determining the coupling structure of $H^\pm$ in the large $\tan\beta$ limit, where differences from the SM are most significant.
Eriksson David
Ingelman Gunnar
Rathsman Johan
Stål Oscar
No associations
LandOfFree
New angles on top quark decay to a charged Higgs does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with New angles on top quark decay to a charged Higgs, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and New angles on top quark decay to a charged Higgs will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-14965