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2017:groups:np:llplt [2017/06/22 18:00] dipan.sengupta |
2017:groups:np:llplt [2017/06/22 22:10] (current) shankha.banerjee |
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====== Strategies for measurement of lifetimes for long-lived particles ====== | ====== Strategies for measurement of lifetimes for long-lived particles ====== | ||
- | People interested : Biplob Bhattacharjee, Shankha Banerjee, Andreas Goudelis, Bjorn Hermann, Dipan Sengupta. | + | People interested : Biplob Bhattacherjee, Shankha Banerjee, Daniele Barducci, Andreas Goudelis, Björn Herrmann, Dipan Sengupta. |
Question : Devising strategies to measure the lifetime of long lived particles ? | Question : Devising strategies to measure the lifetime of long lived particles ? | ||
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Classification: based on final states and localization of the decay vertex. | Classification: based on final states and localization of the decay vertex. | ||
Ex , $H \to \phi \phi, \phi \to \mu^{+} \mu^{-} $. | Ex , $H \to \phi \phi, \phi \to \mu^{+} \mu^{-} $. | ||
+ | |||
Dependence of Spin, production Modes .. | Dependence of Spin, production Modes .. | ||
Difficulties : | Difficulties : | ||
- | a) Uncertainties in the reconstruction of secondary vertex. | + | a) Uncertainties in the reconstruction of secondary vertex. |
+ | |||
b) Decay inside Ecal/Hcal. | b) Decay inside Ecal/Hcal. | ||
+ | |||
c) Missing Energy in the decay. | c) Missing Energy in the decay. | ||
+ | | ||
+ | d) Estimation of backgrounds. | ||