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We present a comprehensive analysis and extraction of the unpolarized transverse momentum dependent (TMD) parton distribution functions, which are fundamental constituents of the TMD factorization theorem. We provide a general review of the theo[...]texto impreso
We evaluate the light-cone operator product expansion for unpolarized transverse momentum dependent (TMD) operator in the background-field technique up twist-3 inclusively. The next-to-leading order (NLO) matching coefficient for the Sivers func[...]texto impreso
We present the extraction of unpolarized quark transverse momentum dependent parton distribution functions (TMDPDFs) and the non-perturbative part of TMD evolution kernel from the global analysis of Drell-Yan and Z-boson production data. The ana[...]texto impreso
We study the transverse momentum spectrum of hadrons in jets. By measuring the transverse momentum with respect to a judiciously chosen axis, we find that this observable is insensitive to ( the recoil of) soft radiation. Furthermore, for small [...]texto impreso
Gutierrez Reyes, Daniel ; Leal Gomez, Sergio ; Scimemi, Ignazio ; Vladimirov, Alexey | Springer | 2019-11-21We calculate the small-b (or large-qT) matching of transverse momentum dependent (TMD) distribution for linearly polarized gluons to the integrated gluon distributions at the next -to-next -to-leading order (NNLO). This is the last missing part [...]texto impreso
We derive the leading order matching of the quark generated polarized transverse momentum dependent (TMD) distributions onto the collinear functions at small values of the transverse distance. Starting from the very definition of the TMD operato[...]texto impreso
Experimental measurements of Drell-Yan (DY) vector-boson production are available from the Large Hadron Collider (LHC) and from lower-energy collider and fixed-target experiments. In the region of low vector-boson transverse momenta q(T), which [...]texto impreso
We consider semi-inclusive deep inelastic scattering (SIDIS) and Drell-Yan events within transverse momentum dependent (TMD) factorization. Based on the simultaneous fit of multiple data points, we extract the unpolarized TMD distributions and t[...]texto impreso
We study the power corrections to Transverse Momentum Distributions (TMDs) by analyzing renormalon divergences of the perturbative series. The renormalon divergences arise independently in two constituents of TMDs: the rapidity evolution kernel [...]texto impreso
Gutierrez Reyes, Daniel ; Yiannis, Makris ; Vaidya, Varun ; Scimemi, Ignazio ; Zoppi, Lorenzo | Springer | 2019-08-28We present the transverse momentum spectrum of groomed jets in di-jet events for e(+)e(-) collisions and semi-inclusive deep inelastic scattering (SIDIS). The jets are groomed using a soft-drop grooming algorithm which helps in mitigating effect[...]texto impreso
We study the transverse-momentum spectrum of quarkonium production from single light-parton fragmentation mechanism. In the case of semi-inclusive deep inelastic scattering, we observe that there are two possible initiating processes, namely pho[...]texto impreso
Stefanis, N. G. ; Alexandrou, Constantia ; Tanja, Horn ; Moutarde, Herve ; Scimemi, Ignazio | E D P Sciences | 2017A survey is presented on the current status of 3D nucleon tomography. Several research frontiers are addressed that dominate modern physics from theory to current and future experiments. We have now a much more detailed spatial image of the nucl[...]texto impreso
In the latest years the theoretical and phenomenological advances in the factorization of several collider processes using the transverse momentum dependent distributions (TMD) have greatly increased. I attempt here a short resume of the newest [...]texto impreso
Hoang, André H. ; Ambar, Jain ; Lepenik, Christopher L ; Mateu, V. ; Preisse, Moritz ; Scimemi, Ignazio ; Stewart, Iain W. | Springer | 2018-04-02We provide a detailed description and analysis of a low-scale short-distance mass scheme, called the MSR mass, that is useful for high-precision top quark mass determinations, but can be applied for any heavy quark Q. In contrast to earlier low-[...]texto impreso
Del Castillo, Rafael ; Echevarria, Miguel G. ; Makris, Yiannis ; Scimemi, Ignazio | Springer | 2021-01-15We study a transverse momentum dependent (TMD) factorization framework for the processes of dijet and heavy-meson pair production in deep-inelastic-scattering in an electron-proton collider, considering the measurement of the transverse momentum[...]
