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Search for production of heavy particles decaying to top quarks and invisible particles in pp collisions at √s = 1.96  TeV.

Abstract:

We present a search for a new particle T' decaying to top quark via T' → t + X, where X is an invisible particle. In a data sample with 4.8  fb(-1) of integrated luminosity collected by the CDF II detector at Fermilab in pp collisions with √s = 1.96  TeV, we search for pair production of T' in the lepton + jets channel, pp → tt + X + X → ℓνbqq'b + X + X. We interpret our results primarily in terms of a model where T' are exotic fourth generation quarks and X are dark matter particles. Current...

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Publication status:
Published

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Authors


Aaltonen, T More by this author
Álvarez González, B More by this author
Anastassov, A More by this author
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Journal:
Physical review letters
Volume:
106
Issue:
19
Pages:
191801
Publication date:
2011-05-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:2210f643-bdb8-40a7-abd7-306923280116
Source identifiers:
146734
Local pid:
pubs:146734
Language:
English
Keywords:

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