QCD Higher-Order Effects and Search for New Physics
This book mainly investigates the precision predictions on the signal of new physics at the Large Hadron Collider (LHC) in the perturbative Quantum Chromodynamics (QCD) scheme. The potential of the LHC to discover the signal of dark matter associated production with a photon is studied after including next-to-leading order QCD corrections. The factorization and resummation of t-channel top quark transverse momentum distribution in the standard model at both the Tevatron and the LHC with soft-collinear effective theory are presented. The potential of the early LHC to discover the signal of monotops is discussed. These examples illustrate the method of searching for new physics beyond what is known today with high precision.
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2 Foundations of the Quantum Chromodynamics
3 QCD Perturbative Calculation of the Scattering Processes at Hadron Colliders
4 QCD NLO Prediction on the Dark Matter and Photon Associated Production at the LHC
5 Resummation Prediction on Top Quark Transverse Momentum Distribution at Large pT
6 Search for the Signal of Monotop Production at the Early LHC
7 Summary and Outlook
Foundations of the Quantum Chromodynamics
Appendix A Phase Space Integration
Appendix B Calculation of the Soft Functions
Appendix C Anomalous Dimensions
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amplitudes annihilation calculation center-of-mass Collaboration collinear constraints contribution coupling cross section dark matter denotes effective field theory effective theory electroweak factorization fermions Feynman diagrams final gauge boson Gehrmann-De Ridder hadron colliders hard function Higgs boson infrared divergences jet and soft jet function JHEP kinematic Lagrangian large logarithms leptons Lett loop massless matrix element momenta monotop production NNLO Nucl numerical obtained one-loop parameter regions PDFs perturbative phase space phase space integration photon Phys prediction production at hadron QCD corrections QCD Higher-Order Effects real corrections relic density renormalization SCET signal and backgrounds single top production single top quark ſº soft function soft gluon soft-collinear effective theory subtraction t-channel t-channel single top Tevatron threshold region Threshold resummation threshold variable top quark top quark production vector virtual corrections Wang Z boson