Difference between revisions of "Master student Projects"
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{| border="1" cellpadding="2" cellspacing="0" | {| border="1" cellpadding="2" cellspacing="0" | ||
|- | |- | ||
− | ! style="background:#3399ff;" | <font color=#ffffff> 3) Measurement of | + | ! style="background:#3399ff;" | <font color=#ffffff> 3) Measurement of relative ratio of B+->D0D+ and B+-D0Ds decays </font> |
|} | |} | ||
− | ''' Supervisors:''' | + | ''' Supervisors:''' Sevda Esen (postdoc), Niels Tuning (staf), Michele Veronesi (PhD) |
''' Research description: ''' | ''' Research description: ''' | ||
− | + | This decay is closely related to B0->Ds- Ds+ (see above), and close collaboration between the two master projects is foreseen. | |
− | This decay is closely related to | + | The decay mode B+->D0D+ is expected to be dominated by tree diagrams with some additional |
− | + | contributions from penguin diagrams. Assuming SU(3) symmetry, | |
− | + | measurement of its branching fraction relative to Cabibbo-favored | |
+ | B+->D0D will enable better understanding of penguin contributions | ||
+ | to the CP violating mixing phase. | ||
''' Relevant information: ''' | ''' Relevant information: ''' | ||
− | [1] | + | [1] L.Bel, K.de Bruyn, R. Fleischer, M.Mulder, N.Tuning, |
+ | "Anatomy of B -> DD Decays" | ||
+ | https://arxiv.org/pdf/1505.01361.pdf | ||
+ | [2] R.Aaij et al. [LHCb Collaboration], | ||
+ | "First observations of B0s -> D+D, Ds+D and D0D0 decays" | ||
+ | https://arxiv.org/pdf/1302.5854.pdf | ||
+ | |||
+ | [3] PDG: http://pdglive.lbl.gov/BranchingRatio.action?desig=261&parCode=S041 | ||