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- Hsiang-nan Li, Zhao Li, C-P Yuan
- Physical review letters
- 2011

We provide a novel development in jet physics by predicting the energy profiles of light-quark and gluon jets in the framework of perturbative QCD. Resumming large logarithmic contributions to all orders in the coupling constant, our predictions are shown to agree well with Tevatron CDF and Large Hadron Collider CMS data. We also extend our resummation… (More)

- Hong-Jian He, Shinya Kanemura, C-P Yuan
- Physical review letters
- 2002

When the charged Higgs boson is too heavy to be produced in pairs, the predominant production mechanism at linear colliders is via the single charged Higgs boson production processes, such as e(-)e(+)-->bcH+,taunuH+ and gammagamma-->bcH+,taunuH+. We show that the yield of a heavy charged Higgs boson at a gammagamma collider is typically 1 or 2 orders of… (More)

- Jun Gao, Chong Sheng Li, Jian Wang, Hua Xing Zhu, C-P Yuan
- Physical review letters
- 2011

We present the exact next-to-leading order (NLO) QCD corrections to the dijet production induced by the quark contact interactions at the CERN Large Hadron Collider. We show that, as compared to the exact calculation, the scaled NLO QCD prediction adopted by the ATLAS Collaboration has overestimated the new physics effect on some direct observables by more… (More)

- C p Yuan
- 1995

We discuss physics of the top quark at the Fermilab Tevatron. By the year 2000, many properties of the top quark can be measured at the Tevatron. 1 Discovery of the Top Quark The discovery of the top quark is one of the most important discoveries at the Fermilab Tevatron which is currently the only collider that produces top quark on its mass-shell. The… (More)

- Jia Jun Zhang, Chong Sheng Li, +4 authors Tzu-Chiang Yuan
- Physical review letters
- 2009

D0 and CDF collaborations at the Fermilab Tevatron have searched for nonstandard-model single top-quark production and have set upper limits on the anomalous top-quark flavor-changing neutral-current (FCNC) couplings kappatcg/Lambda and kappatug/Lambda using the measurement of the total cross section calculated at the next-to-leading order (NLO) in QCD. In… (More)

- C p Yuan
- 2007

After a brief comment on the role of top quark in models of electroweak symmetry breaking (EWSB), I shall discuss what we know about top quark interaction and how to improve that knowledge. Since bottom quark is the weak isospin partner of the top quark, its interaction with a scalar boson may also distinguish models of EWSB. We shown that Tevatron can… (More)

- Alexander Belyaev, Qing-Hong Cao, Daisuke Nomura, Kazuhiro Tobe, C-P Yuan
- Physical review letters
- 2008

We show that, in the minimal supersymmetric standard model, the possibility for the lightest CP-even Higgs boson to be lighter than Z boson (as low as about 60 GeV) is, contrary to the usual belief, not yet excluded by the CERN LEP2 Higgs search nor any direct searches for supersymmetric particles at high energy colliders. The characteristic of the light… (More)

We investigate the effect of QCD resummation to kinematical correlations in the Higgs boson plus high transverse momentum (P(T)) jet events produced at hadron colliders. We show that at the complete one-loop order, the Collins-Soper-Sterman resummation formalism can be applied to derive the Sudakov form factor. We compare the singular behavior of… (More)

We derive all order soft gluon resummation in dijet azimuthal angular correlation in hadronic collisions at the next-to-leading logarithmic level. The relevant coefficients for the Sudakov resummation factor, the soft and hard factors, are calculated. The theory predictions agree well with the experimental data from D0 Collaboration at the Tevatron. This… (More)

- Qing-Hong Cao, C P Yuan
- Physical review letters
- 2004

A precise determination of the W boson mass at the Fermilab Tevatron requires a theoretical calculation in which the effects of the initial-state multiple soft-gluon emission and the final-state photonic correction are simultaneously included. Here, we present such a calculation and discuss its prediction on the transverse mass distribution of the W boson… (More)

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