Measurement of σ(p(p)over-bar → Z) • B(Z → ττ) in p(p)over-bar collisions at √s=1.96 TeV

被引：21

作者：

Abulencia, A. ^{[1
]}

Adelman, J.

Affolder, T.

Akimoto, T.

Albrow, M. G.

Ambrose, D.

Amerio, S.

Amidei, D.

Anastassov, A.

Anikeev, K.

Annovi, A.

Antos, J.

Aoki, M.

Apollinari, G.

Arguin, J. -F.

Arisawa, T.

Artikov, A.

Ashmanskas, W.

Attal, A.

Azfar, F.

Azzi-Bacchetta, P.

Azzurri, P.

Bacchetta, N.

Badgett, W.

Barbaro-Galtieri, A.

Barnes, V. E.

Barnett, B. A.

Baroiant, S.

Bartsch, V.

Bauer, G.

Bedeschi, F.

Behari, S.

Belforte, S.

Bellettini, G.

Bellinger, J.

Belloni, A.

Benjamin, D.

Beretvas, A.

Beringer, J.

Berry, T.

Bhatti, A.

Binkley, M.

Bisello, D.

Blair, R. E.

Blocker, C.

Blumenfeld, B.

Bocci, A.

Bodek, A.

Boisvert, V.

Bolla, G.

机构：

[1] Okayama Univ, Okayama 7008530, Japan

来源：

PHYSICAL REVIEW D | 2007年 / 75卷 / 09期

基金：

英国科学技术设施理事会;

关键词：

D O I：

10.1103/PhysRevD.75.092004

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a measurement of the inclusive production cross section for Z bosons decaying to tau leptons in p (p) over bar collisions at root s=1.96 TeV. We use a channel with one hadronically-decaying and one electronically-decaying tau. This measurement is based on 350 pb(-1) of CDF Run II data. Using a sample of 504 opposite sign e tau events with a total expected background of 190 events, we obtain sigma(p (p) over bar -> 4Z)center dot B(Z ->tau tau)=264 +/- 23(stat)+/- 14(syst)+/- 15(lumi) pb, in agreement with the next-to-next-to-leading order QCD prediction. This is the first CDF cross section measurement using hadronically-decaying taus in Run II.

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