Open Access
Foundations of Perturbative QCD
TLDR
In this paper, a systematic treatment of perturbative QCD is given, giving an accurate account of the concepts, theorems and their justification, giving strong motivations for the methods.Abstract:
The most non-trivial of the established microscopic theories of physics is QCD: the theory of the strong interaction. A critical link between theory and experiment is provided by the methods of perturbative QCD, notably the well-known factorization theorems. Giving an accurate account of the concepts, theorems and their justification, this book is a systematic treatment of perturbative QCD. As well as giving a mathematical treatment, the book relates the concepts to experimental data, giving strong motivations for the methods. It also examines in detail transverse-momentum-dependent parton densities, an increasingly important subject not normally treated in other books. Ideal for graduate students starting their work in high-energy physics, it will also interest experienced researchers wanting a clear account of the subject.read more
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Imaging Cold Nuclear Matter with Energy Correlators
TL;DR: In this article , the scale dependence of vacuum QCD dynamics has been investigated using the energy correlators of the EHIJING parton shower to simulate electron-nucleus collisions, showing that the size of the nucleus is cleanly imprinted as an angular scale in the correlators.
Proceedings ArticleDOI
Global extraction of unpolarized quark TMDs at N3LL
Giuseppe Bozzi,Alessandro Bacchetta,Valerio Bertone,Chiara Bissolotti,Matteo Cerutti,Fulvio Piacenza,Marco Radici,Andrea Signori +7 more
TL;DR: In this paper , the authors present the most recent extraction of unpolarized transverse-momentum-dependent (TMD) parton distribution functions (PDFs) and TMD fragmentation functions (FFs) from global data sets of Semi-Inclusive Deep-Inelastic Scattering (SIDIS) and Drell-Yan.
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Double parton distributions out of bounds in colour space
TL;DR: In this paper, the authors investigated the positivity of double parton distributions with a non-trivial dependence on the parton color and showed that positivity is not preserved by leading-order evolution from lower to higher scales, in contrast to the case in which parton colour is summed over.
annihilation into hadrons
TL;DR: In this article, the transverse momentum dependence in the production of two back-to-back hadrons in electron-positron annihilations at the medium/large energy scales of Bes-III and Belle experiments is calculated.
Effects of gluon kinematics and the Sudakov form factor on the dipole amplitude
TL;DR: In this paper , the authors investigate effects of exact gluon kinematics on the parameters of the Golec-Biernat-Wusthoff, and Bartels-Golec Biernat Kowalski saturation models.