Light Cone 2015

Session

4.

21 Sept 2015, 16:30

Aula Bruno Touschek (Laboratori Nazionali di Frascati)

Conveners

4.

• Alessandro Bacchetta (PV)

45. Double parton scattering and 3D proton structure: a light-front analysis

Matteo Rinaldi (PG)

21/09/2015, 16:30

Oral contribution

We present a calculation of the effective cross section σ_eff , an important ingredient in the theoretical description of double parton scattering in proton-proton collisions. The theoretical approach makes use of a Light-Front quark model as framework to calculate the double parton distribution functions at low-resolution scale. QCD evolution is implemented to reach the experimental...

8. Gravitational form factor, transverse spin sum rule and longitudinal momentum density in the transverse plane in a light front quark-diquark model of nucleons

Dr Dipankar Chakrabarti (Indian Institute of Technology Kanpur, India)

21/09/2015, 16:50

Oral contribution

In lightcone framework, longitudinal angular momentum operator is kinematical but the transverse angular momentum operator is dynamical and thus understanding the transverse spin and transverse angular momentum of the proton is more complicated than longitudinal spin and angular momentum and frame dependent. Here, we evaluate the gravitational form factors for a transversely polarized...

59. Understanding Transverse Momentum Dependent Functions from data.

Jose Osvaldo Gonzalez Hernandez (TO)

21/09/2015, 17:10

Oral contribution

The role of TMDs in understanding the 3D-structure of hadrons has drawn a lot of interest in both the theoretical and experimental communities. In order to extract TMDs, it is necessary to understand what information is contained in the different sets of data that are available. In this talk, I will discuss the advantages and limitations of some of the most recent experimental data, in the...

38. Internal stucture of the pion inspired by AdS/QCD correspondence

Ms Sabrina Cotogno (Vrije Universiteit Amsterdam and Nikhef)

21/09/2015, 17:30

Oral contribution

The Light-Front Wave Functions (LFWFs) represent a perfect starting point for describing the partonic structure of hadrons. In this work we use the results for the LFWFs of the pion coming from the AdS/QCD correspondence, in the context of a soft-wall model. We study the parton distribution function (PDF) and the electromagnetic form factor (FF) of the pion and for the first time we implement...

48. The pion renormalized light-cone wave function

Mr Arkadiusz P. Trawinski (University of Warsaw)

21/09/2015, 17:50

Oral contribution

An approximate light-cone wave function for the pion effective quark-antiquark Fock sector corresponding to a small value of the renormalization group parameter $\lambda$ will be presented. This wave function will be used to obtain wave functions of higher pion sectors for larger $\lambda$ by the W-transformation [1]. The approximate wave function is motivated by the LF-holography [2] in...