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About me
I am "profesor titular" in the Departamento de Física Teórica, in the Universidad Complutense de Madrid. I am a theoretical physicist working on high energy particle phenomenology.
Here you can find some information and news about my research and teaching activity.
The world of quarks and gluons is fascinating and new and sohpisticated theoretical tools are invented to provide a deeper understanding of it. In my research I use the effective field theories, which allow a clearer understanding of the kinematical environment in which QCD observables are measured. Some examples of effective field theories are SCET (Soft Collinear Effective Theory), HQET (Heavy Quark Effective Theory), ChPT (Chiral Perturbation Theory). Some intersting physical observables include Transverse Momentum Distributions, the mass of the quarks, jets, CP-violating observables.
In the latest years I have been studying the distribution of momentum and spin of quarks and gluons inside hadrons. These tiny movements can be detected in several running and old experiments (Tevatron, LHC, Compass, Belle, Babar, BES, JLaB ...) and projected ones (EIC, ..). Theoretically, one can provide a consistent analysis using factorization theorems for cross sections and the concept of Transverse Momentum Dependent Distributions (or TMD).
Here I show some pictures taken using the recent code arTeMiDe that we have developed in Eur.Phys.J. C78 (2018) no.2, 89. The pictures show the Drell-Yan and Z-boson production at LHC in several experiments.
Recent publications
Transverse momentum dependent distributions with jets
Daniel Gutierrez-Reyes, Ignazio Scimemi, Wouter J. Waalewijn, Lorenzo Zoppi.
e-Print: arXiv:1807.07573
Transverse momentum dependent transversely polarized distributions at next-to-next-to-leading-order
Daniel Gutierrez-Reyes, Ignazio Scimemi, Alexey Vladimirov
Published in JHEP 1807 (2018) 172 e-Print: arXiv:1805.07243
Matching of transverse momentum dependent distributions at twist-3
Ignazio Scimemi, Alexey Vladimirov
e-Print: arXiv:1804.08148
Systematic analysis of double-scale evolution
Ignazio Scimemi, Alexey Vladimirov
Published in JHEP 1808 (2018) 003 e-Print: arXiv:1803.11089
Analysis of vector boson production within TMD factorization
Ignazio Scimemi, Alexey Vladimirov
Published in Eur.Phys.J. C78 (2018) no.2, 89, e-Print: arXiv:1706.01473
The MSR mass and the O(LQCD) renormalon sum rule
Andre H. Hoang, Ambar Jain, Christopher Lepenik, Vicent Mateu, Moritz Preisser,
Ignazio Scimemi, Iain W. Stewart
JHEP 1804 (2018) 003, e-Print: arXiv:1704.01580
Power corrections and renormalons in Transverse Momentum Dependent Distributions
Daniel Gutierrez-Reyes, Ignazio Scimemi, Alexey Vladimirov
Phys. Lett. B769 (2017) 84, e-Print: arXiv:1702.06558
Jet axes and universal transverse-momentum-dependent fragmentation
Duff Neill, Ignazio Scimemi, Wouter J. Waalewijn
JHEP 1704 (2017) 020, e-Print: arXiv:1612.04817
Power corrections and renormalons in Transverse Momentum Distributions
Ignazio Scimemi, Alexey Vladimirov
JHEP 1703 (2017) 002, e-Print: arXiv:1609.06047
Miguel G. Echevarria , Ignazio Scimemi, Alexey Vladimirov
JHEP 1609 (2016) 004, e-Print: arXiv:1604.07869
The Universal Transverse Momentum Dependent Soft Function at NNLO
Miguel G. Echevarria , Ignazio Scimemi , Alexey Vladimirov
Phys.Rev. D93 (2016) no.5, 054004 e-Print: arXiv:1511.05590
The Transverse Momentum Dependent Fragmentation Function at NNLO
Miguel G. Echevarria, Ignazio Scimemi, Alexey Vladimirov
Phys.Rev. D93 (2016) 1, 011502, e-print: arXiv:1509.06392
Non-perturbative QCD effects in qT spectra of Drell-Yan and Z-boson production
Umberto D' Alesio, Miguel G. Echevarria, Stefano Melis, Ignazio Scimemi.
JHEP 1411 (2014) 098 e-Print: arXiv:1407.3311
A Unified treatment of the QCD Evolution of All (Un-)Polarized TMD functions: Collins function as a Study case
Miguel G. Echevarria, Ahmad Idilbi, Ignazio Scimemi.
Phys.Rev. D90 (2014) 014003 e-Print: arXiv:1402.0869
"Soft and Collinear Factorization and Transverse Momentum Dependent Parton Distribution Functions"
Miguel G. Echevarria, Ahmad Idilbi, Ignazio Scimemi.
Phys.Lett. B726 (2013) 795-801 e-Print: arXiv:1211.1947
"Definition and Evolution of Transverse Momentum Distributions"
Miguel G. Echevarria, Ahmad Idilbi, Ignazio Scimemi.,
Int.J.Mod.Phys.Conf.Ser. 20 (2012) 92-108, e-Print: arXiv:1209.3892
"Model-Independent Evolution of Transverse Momentum Dependent Distribution Functions (TMDs) at NNLL"
Miguel G. Echevarria, Ahmad Idilbi, Andreas Schafer, Ignazio Scimemi., Eur.Phys.J. C73 (2013) 2636 e-Print: arXiv:1208.1281
"Factorization Theorem For Drell-Yan At Low q_T And Transverse Momentum Distributions On-The-Light-Cone"
Miguel G. Echevarria, Ahmad Idilbi, Ignazio Scimemi,
JHEP 1207 (2012) 002 e-Print: arXiv:1111.4996
"SCET, Light-Cone Gauge and the T-Wilson Lines"
Miguel Garcia-Echevarria, Ahmad Idilbi, Ignazio Scimemi
Phys.Rev. D84 (2011) 011502 e-Print: arXiv:1104.0686
"Singular and Regular Gauges in Soft Collinear Effective Theory: The Introduction of the New Wilson Line T"
Ahmad Idilbi, Ignazio Scimemi
Phys.Lett. B695 (2011) 463-468 e-Print: arXiv:1009.2776
"R-evolution: Improving perturbative QCD"
Andre H. Hoang, Ambar Jain, Ignazio Scimemi, Iain W. Stewart
Phys.Rev. D82 (2010) 011501 e-Print: arXiv:0908.3189
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