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 Post subject: Higgs decay mode
 Post Posted: Tue Dec 21, 2010 7:15 pm 
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Joined: Tue Dec 21, 2010 7:07 pm
Posts: 1
How can i differentiate two ZZ in Higgs decay channel.

H -> ZZ -> 4muons

i am studying this channel at generator level using cmssw. Guide me how can separate them in my program


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 Post subject: Re: Higgs decay mode
 Post Posted: Wed Dec 22, 2010 7:13 pm 
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Joined: Thu Dec 24, 2009 2:22 pm
Posts: 166
Location: Swansea, Wales, UK
Hi ommair,

We're an unofficial forum, most of our regular posters are not affiliated with CERN and as such most of us (myself included) will not be familiar with cmssw.

As to your question, I imagine that the total energy of the muons in the case pp->H->ZZ->4*muon would be different to the case pp->ZZ->4*muon

You might find the following links of use:

Part of a theses, describing vector boson decay of the Higgs:
http://www.hep.lu.se/atlas//thesis/egede/thesis-node15.html#SECTION00631000000000000000

How to identify Z->2*Muon events in the LEP era (should give you a feel for what the decay of Z bosons looks like)
http://pyweb.swan.ac.uk/~pybl/PH312/PARTICLES/masterclass/mumu.html

This page comes from the same tutorial as the link above, and gives details of how to distinguish a lepton-antilepton pair produced from a W+/W- event from a pair produced by Z0 decay.

Hopefully some of those links can lend a hand, but you probably also want to speak to someone working within the CMS collaboration as well :)

Good luck, and I'd be curious to know the answer you come up with.


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 Post subject: Re: Higgs decay mode
 Post Posted: Mon Apr 21, 2014 3:53 pm 
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Joined: Mon Apr 21, 2014 3:49 pm
Posts: 2
thanks for the info guys. it'll really help me.


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