Conference Presentations

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2020-02-17
15:40
[PUBDB-2020-00752] Conference Presentation (Invited)

Accessing TMDs with an unpolarised target at HERMES
Correlations in Partonic and Hadronic Interactions, CPHI 2020, CERNGeneva, CERN, Switzerland, 3 Feb 2020 - 7 Feb 20202020-02-032020-02-07
The HERMES experiment collected from 1995 to 2007 a wealth of deep-inelastic scattering data using 27.6 GeV longitudinally polarised electrons and positrons and various unpolarised as well as longitudinally and transversely polarised gas targets. This allowed for a series of diverse measurements. [...]
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2020-02-17
15:35
[PUBDB-2020-00751] Conference Presentation

Recent HERMES results on polarized semi-inclusive deep-inelastic scattering
Correlations in Partonic and Hadronic Interactions, CPHI 2020, CERNGeneva, CERN, Switzerland, 3 Feb 2020 - 7 Feb 20202020-02-032020-02-07
After fifty years of investigations, the nucleon structure is still far from being understood and continues to represent a unique test bench for QCD. Despite the enormous progresses achieved in five decades of deep-inelastic scattering (DIS) experiments, a number of crucial open questions are still on the carpet and subject of intense theoretical and experimental studies. [...]
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2020-02-17
15:29
[PUBDB-2020-00750] Conference Presentation (Invited)

Study of GPDs at HERMES
Correlations in Partonic and Hadronic Interactions, CPHI 2020, CERNGeneva, CERN, Switzerland, 3 Feb 2020 - 7 Feb 20202020-02-032020-02-07
The HERMES experiment has collected a wealth of deep-inelastic sca ering data using the 27.6 GeV polarized electron or positron beams at HERA and various pure gas targets, both unpolarized and polarized. is allowed for a series of unique measurements. [...]
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2020-02-17
15:17
[PUBDB-2020-00749] Conference Presentation (Invited)

Strong-field physics in the molecular frame and the recording of the molecular movie
XXII. Symposium on Atomic, Cluster and Surface Physics, SASP 2020, St. MoritzSt. Moritz, Switzerland, 2 Feb 2020 - 7 Feb 20202020-02-022020-02-07
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2020-02-13
14:00
arXiv [PUBDB-2020-00721] Report/Conference Presentation
et al
Parton Shower based on TMD parton distributions
[arXiv:1907.09441]
27th International Workshop on Deep Inelastic Scattering and Related Subjects, DIS2019, TorinoTorino, Italy, 8 Apr 2019 - 12 Apr 20192019-04-082019-04-12
Contributions / Info
We present a parton shower based on Transverse Momentum Dependent (TMD)parton distributions obtained with the Parton Branching method. We investigatehow well the TMD parton shower reproduces the TMD parton distributions.Applications of the TMD parton shower to LHC processes will be presented..
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2020-02-13
13:54
[PUBDB-2020-00719] Conference Presentation
et al
Z boson production in proton-lead collisions accounting for transverse momenta of initial partons
27th International Workshop on Deep Inelastic Scattering and Related Subjects, DIS2019, TorinoTorino, Italy, 8 Apr 2019 - 12 Apr 20192019-04-082019-04-12
Contributions / Info
I would like to report on a calculation of inclusive Z boson production in proton-lead col-lisions at the LHC taking into account the transverse momenta of the initialpartons. We use the framework of kT-factorization combining transverse momentum dependent parton distributions (TMDs) with off-shell matrix elements.In order to do it we need to construct appropriate TMDs for lead nuclei which is done using the parton branching method. [...]
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2020-02-13
13:44
arXiv [PUBDB-2020-00717] Report/Conference Presentation
et al
Parton branching TMD distributions from fits to DIS precision data
[arXiv:1908.01621]
27th International Workshop on Deep Inelastic Scattering and Related Subjects, DIS2019, TorinoTorino, Italy, 8 Apr 2019 - 12 Apr 20192019-04-082019-04-12
Contributions / Info
We present a new determination of Transverse Momentum Dependent (TMD)parton distributions applying the Parton Branching method. The PB TMDs areobtained from fits to precision DIS data using DGLAP splitting functions atleading and higher order. [...]
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2020-02-13
13:29
[PUBDB-2020-00715] Report/Conference Presentation

Production of prompt photons associated with jets at LHC in kT-factorization
[Phys.Rev. D100 (2019) 034028]
24th International Workshop on High Energy Physics and Quantum Field Theory, QFTHEP’2019, SochiSochi, Russia, 22 Sep 2019 - 29 Sep 20192019-09-222019-09-29
Contributions / Info
We use the kT–factorization approach to calculate total and differential cross sections of associated production of prompt photons and hadronic jets at the LHC energies. Our consideration relies on the pegasus Monte-Carlo generator with implemented ℴ(αα2s) off-shell gluon–gluon fusion subprocess g*g* → γqq− and several subleading quark-initiated contributions from ℴ(ααs) and ℴ(αα2s) subprocesses, taken into account in the collinear limit. [...]
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ddc:530
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2020-02-11
10:48
[PUBDB-2020-00676] Conference Presentation (Invited)

From Light-Cone Wave Functions to Generalized Parton Distributions
Correlations in Partonic and Hadronic Interactions, CPHI-2020, CERNGeneva, CERN, Switzerland, 3 Feb 2020 - 7 Feb 20202020-02-032020-02-07
Like many other quantities, Generalized Parton Distributions canbe represented in terms of Light-Cone Wave Functions. This connection hasseveral important physics aspects, which I review with a historicalperspective, from early work at the turn of the millenium to recentdevelopments..
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2020-02-07
17:39
[PUBDB-2020-00666] Conference Presentation

Gauged Froggatt-Nielsen models and flavourful axions
COST Workshop: Probing BSM physics at different scales, BerlinBerlin, Germany, 29 Jan 2020 - 31 Jan 20202020-01-292020-01-31
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