First measurement of the tt̄ differential cross section dσ/dMtt̄ in pp̄ collisions at s=1.96TeV

First measurement of the tt̄ differential cross section dσ/dMtt̄ in pp̄ collisions at s=1.96TeV

We present a measurement of the tt̄ differential cross section with respect to the tt̄ invariant mass, dσ/dMtt̄, in pp̄ collisions at s=1.96TeV using an integrated luminosity of 2.7fb-1 collected by the CDF II experiment. The tt̄ invariant mass spectrum is sensitive to a variety of exotic particles...

Täydet tiedot

Bibliografiset tiedot
Päätekijät: Aaltonen, T, Adelman, J, Akimoto, T, Álvarez González, B, Amerio, S, Amidei, D, Anastassov, A, Annovi, A, Antos, J, Apollinari, G, Apresyan, A, Arisawa, T, Artikov, A, Ashmanskas, W, Attal, A, Aurisano, A, Azfar, F, Azzurri, P, Badgett, W, Barbaro-Galtieri, A, Barnes, V, Barnett, B, Bartsch, V, Bauer, G, Beauchemin, P
Aineistotyyppi: Journal article
Kieli:English
Julkaistu: 2009
Kuvaus
Yhteenveto:We present a measurement of the tt̄ differential cross section with respect to the tt̄ invariant mass, dσ/dMtt̄, in pp̄ collisions at s=1.96TeV using an integrated luminosity of 2.7fb-1 collected by the CDF II experiment. The tt̄ invariant mass spectrum is sensitive to a variety of exotic particles decaying into tt̄ pairs. The result is consistent with the standard model expectation, as modeled by PYTHIA with CTEQ5L parton distribution functions. © 2009 The American Physical Society.

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