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Chiara Le Roux06/12/2021, 15:40
In this talk I will give a brief introduction about myself as a new PhD student starting to work with Monte Carlo event generators, more specifically, SHERPA. I will also present the main results obtained during my masters' when I studied the K*/K ratio in heavy ion collisions. The goal of this project was to understand the supression of this ratio during the hadron gas phase that the...
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Emmet Byrne06/12/2021, 16:00
Several important processes and analyses at the LHC are sensitive to higher-order perturbative corrections beyond what can currently be calculated at fixed order. One important class of large logarithmic corrections are so-called high-energy logarithms which appear when the centre-of-mass energy of a QCD collision is much larger than the transverse momenta of the observed jets.
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In this talk I... -
Sukanya Sinha (University of Witwatersrand)06/12/2021, 16:20
If dark mesons exist, their evolution and hadronization procedure are currently little constrained. They could decay promptly and result in a very SM QCD like jet structure, even though the original decaying particles are dark sector ones; they could behave as semi-visible jets; or they could behave as completely detector-stable hadrons, in which case the final state is just the missing...
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Peter Meinzinger06/12/2021, 16:40
I will review recent efforts to extend Sherpa to include photon PDFs in Sherpa and to describe photoproduction events.
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Max Knobbe06/12/2021, 17:00
Review of the most recent changes to the LHAPDF PDF interpolator.
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Dr Daniel Reichelt (IPPP Durham)07/12/2021, 09:00
Status report on Sherpa summing up developments in the closing MCnet period
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Christian Bierlich (Lund University (SE))07/12/2021, 09:30
Status report on developments in Pythia8 in the closing MCnet-funded period.
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Patrick Kirchgaesser (Lund University)07/12/2021, 10:00
Status report on Herwig 7
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Smita Chakraborty07/12/2021, 11:00
Summary of the research done in Pythia8/Anagntyr as an MCnetITN3 PhD student.
The first project was to develop a string "shoving" model to describe collective effects in heavy-ion collisions in terms of string interactions within the Lund model. This is done by constructing the Lorentz transformation to a symmetric frame where two string pieces are in parallel planes to calculate the...
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Luca Mantani (DAMTP, University of Cambridge)07/12/2021, 11:25
Summary of my PhD thesis.
In the hypothesis that the scale of new physics is considerably higher than the energies probed at colliders, we can parametrise modified interactions induced by BSM effects among SM particles in a model-independent framework, the Standard Model Effective Field Theory (SMEFT).
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In the thesis, several phenomenological aspects of the SMEFT are discussed, both at... -
Hitham Hassan (Durham University)07/12/2021, 11:50
Matching of logarithms of high-energy and of the parton shower have previously been reported for the (high energy) leading logarithmic component of the cross section, and only up to the first emission from PYTHIA.
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We discuss a method for both extending this matching both to all orders, and to include the non-resummable component of the cross section through standard CKKW-L merging.
First... -
Lois Flower (IPPP, Durham University)07/12/2021, 12:10
In this talk I will present my work implementing QED real corrections in the Sherpa event generator. Using the Catani-Seymour dipole formalism, a kT-ordered QED parton shower was constructed. The correct radiation pattern was obtained by applying negative weights to same-charge dipoles using the existing framework for applying analytic weights in the veto algorithm.
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I will also present a... -
Olivier Mattelaer (UCLouvain)07/12/2021, 14:00
- short presentation of all the papers that intersect between mG5aMC and Mcnet.
(likely one slide per paper) - short Presentation of the work still in progress (likely on slide per project)
- short presentation of all the papers that intersect between mG5aMC and Mcnet.
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Andy Buckley (University of Glasgow (GB))07/12/2021, 14:30
Status report on Rivet summing up developments in the closing MCnet period.
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Jonathan Butterworth (UCL)07/12/2021, 15:00
Status report on Contur summing up developments in the closing MCnet period
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Simon Luca Villani07/12/2021, 16:00
Summary of the research done as an MCnetITN3 PhD student.
Di-boson production processes play an important role in many Standard Model studies, including Higgs-boson and electroweak precision measurements. They also form an important background in searches for phenomena beyond the Standard Model. In this talk I will present a recent study on the inclusion of electroweak corrections to...
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Marius Utheim07/12/2021, 16:25
In this talk, which will follow a somewhat unconventional format, I will share with you a few things I learned during my PhD that I found particularly interesting. The specific topics I will touch on are hadronic rescattering, exotic hadrons and cosmic rays.
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Andrew Lifson07/12/2021, 16:50
In this talk we introduce the still-developing color_ordering branch of MadGraph5_amc@NLO. This branch uses Berends-Giele recursions to calculate the matrix element, leading to more compact kinematics calculations. Additionally, this branch allows one to calculate matrix elements to a given order in the 1/Nc colour expansion in the trace basis. In this talk, we give an overview of the status...
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Si Hyun Jeon (Seoul National University (KR))07/12/2021, 17:10
For the MCnet shortterm studentship program, my task was to construct the interface that connects MadGraph to Rivet and in the end, Contur to do reinterpretation studies. The interface construction was successfully done, with actual working examples (physics results). The talk will be about latest updates to MadGraph interfaced to Rivet/Contur and reinterpretation results on several heavy...
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Alan Price (Siegen University)08/12/2021, 09:00
I will present Sherpa's ongoing development for future lepton colliders.
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Leif Gellersen08/12/2021, 09:25
Summary of the work done during my PhD studies in Lund.
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Jeppe Rosenkrantz Andersen (IPPP, University of Durham)08/12/2021, 09:50
Status report on HEJ summing up developments in the closing MCnet period.
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Naomi Cooke (University of Birmingham (GB))08/12/2021, 10:45
Quarkonia production has been a long-standing puzzle in particle physics. The polarisation measurement of $J/\psi$ is expected to have significant transverse polarisation at large $p_{T}$, but has been experimentally observed to be consistent with zero. Hard production of onia processes using NRQCD formalism are available in the Pythia8 framework. However, these processes alone cannot fully...
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Soumya Mukherjee (Tata Institute of Fundamental Research)08/12/2021, 11:05
After the discovery of Higgs boson by CMS and ATLAS experiment in 2012 the current mandate of the LHC is to search for the Higgs Boson self coupling along, which is yet to be measured. CMS and ATLAS are performing the search in different channels of non -resonant Higgs boson production using full Run-2 data taken by LHC. In this context one of the most clear channels is di-Higgs to...
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Joon-Bin Lee (Seoul National University (KR))08/12/2021, 11:25
After the discovery of the Higgs boson at 2012, there is no direct evidence for new physics. It is thus a good time to explore a new phase space. We perform a search for new physics inside a jet using non-isolated leptons related with the muon g-2 and LHCb's lepton universality violation results. There is no proper shower generator to generate the signal sample for this search, we implement...
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