$First measurement of the fraction of top-quark pair production through gluon-gluon fusion$

First measurement of the fraction of top-quark pair production through gluon-gluon fusion

We present the first measurement of σ(gg→tt̄)/ σ(pp̄→tt̄). We use 0.96fb-1 of s=1.96TeV pp̄ collision data recorded with the CDF II detector at Fermilab. Using charged particles with low transverse momentum in tt̄ events, we find σ(gg→ tt̄)/σ(pp̄→tt̄)=0.07±0.14(stat)±0. 07(syst), corresponding to a...

Cur síos iomlán

Sonraí bibleagrafaíochta
Príomhchruthaitheoirí:	Aaltonen, T, Adelman, J, Akimoto, T, Albrow, MG, Álvarez González, B, Amerio, S, Amidei, D, Anastassov, A, Annovi, A, Antos, J, Aoki, M, Apollinari, G, Apresyan, A, Arisawa, T, Artikov, A, Ashmanskas, W, Attal, A, Aurisano, A, Azfar, F, Azzi-Bacchetta, P, Azzurri, P, Bacchetta, N, Badgett, W, Barbaro-Galtieri, A, Barnes, V
Formáid:	Journal article
Teanga:	English
Foilsithe / Cruthaithe:	2008

First measurement of the fraction of top-quark pair production through gluon-gluon fusion

Míreanna comhchosúla