QCD Higher-Order Effects and Search for New Physics

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Springer, Oct 28, 2015 - Science - 142 pages
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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Contents

1 Introduction to the Standard Model of Particle Physics
1
2 Foundations of the Quantum Chromodynamics
11
3 QCD Perturbative Calculation of the Scattering Processes at Hadron Colliders
23
4 QCD NLO Prediction on the Dark Matter and Photon Associated Production at the LHC
47
5 Resummation Prediction on Top Quark Transverse Momentum Distribution at Large pT
73
6 Search for the Signal of Monotop Production at the Early LHC
107
7 Summary and Outlook
130
Foundations of the Quantum Chromodynamics
132
Appendix A Phase Space Integration
133
Appendix B Calculation of the Soft Functions
137
Appendix C Anomalous Dimensions
140
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About the author (2015)

Jian Wang obtained his Ph.D in Physics from Peking University in June 2013. Then he joined Professor Matthias Neubert’s group in Mainz, Germany as a postdoctoral fellow. His research interests are application of soft collinear effective theory (SCET) on the processes at the LHC and search for new physics beyond the Standard Model. During his PhD program, he has published 16 journal articles in total, including 1 Phys. Rev. Lett, 11 Phys. Rev. D, 3 JHEP and 1 EPJC. He received the National Scholarship for Doctoral Student in 2012, and Outstanding Graduates Awards in 2013. More details can be found in the attachment.

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