First Measurement of the tt̅ Differential Cross Section dσ/dMtt̅ in pp̅ Collisions at √s=1.96 TeV
| Contribuinte(s) |
University of Helsinki, Department of Physics University of Helsinki, Department of Physics University of Helsinki, Department of Physics University of Helsinki, Helsinki Institute of Physics University of Helsinki, Department of Physics University of Helsinki, Department of Physics |
|---|---|
| Data(s) |
2009
|
| Resumo |
We present a measurement of the $\ttbar$ differential cross section with respect to the $\ttbar$ invariant mass, dSigma/dMttbar, in $\ppbar$ collisions at $\sqrt{s}=1.96$ TeV using an integrated luminosity of $2.7\invfb$ collected by the CDF II experiment. The $\ttbar$ invariant mass spectrum is sensitive to a variety of exotic particles decaying into $\ttbar$ pairs. The result is consistent with the standard model expectation, as modeled by \texttt{PYTHIA} with \texttt{CTEQ5L} parton distribution functions. |
| Formato |
8 |
| Identificador |
http://hdl.handle.net/10138/24408 0031-9007 |
| Idioma(s) |
eng |
| Publicador |
American Institute of Physics |
| Relação |
Physical Review Letters |
| Fonte |
Aaltonen , T , Mehtälä , P , Orava , R , Mäki , T , Saarikko , H , Österberg , K & CDF Collaboration 2009 , ' First Measurement of the tt̅ Differential Cross Section dσ/dMtt̅ in pp̅ Collisions at √s=1.96 TeV ' Physical Review Letters , vol 102 , no. 22 , pp. 222003 . , 10.1103/PhysRevLett.102.222003 |
| Palavras-Chave | #114 Physical sciences |
| Tipo |
A1 Refereed journal article info:eu-repo/semantics/article |
