17th MCnet Meeting
The 17th meeting of the MCnet network is also the third meeting of the MCnetITN3 consortium, funded by the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement No 722104.
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12:30
Lunch
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MCnet Individual Project Meetings: Cedar/Rivet/Contur 4/3-004 - TH Discussion Room
Project meetings for Herwig, Pythia, Sherpa, and Cedar/Rivet/Contur
To find the videoconference rooms in this genius indico interface, click on "Videoconference Rooms" in the left menu and then go through to the appropriate room...
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CEDAR overviewSpeakers: Andy Buckley (University of Glasgow (GB)), Jonathan Butterworth (University College London (UK))
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CMS feedbackSpeakers: Markus Seidel (CERN), Xavier Janssen (University of Antwerp (BE))
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LHCb feedbackSpeakers: Alex Grecu (IFIN-HH (RO)), Gloria Corti (CERN)
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Recasting: logistics, standards, data flow, ...Speakers: Andy Buckley (University of Glasgow (GB)), Lukas Alexander Heinrich (New York University (US)), Zachary Louis Marshall (University of California Berkeley (US))
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Recasting: ConturSpeakers: David Yallup (University College London), Jonathan Butterworth (University College London (UK))
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ALICE feedbackSpeaker: Przemyslaw Karczmarczyk (Warsaw University of Technology (PL))
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Heavy Ion analysis & MC discussionSpeakers: Christian Bierlich (Lund University (SE)), Leif Lönnblad (Lund University (SE))
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MCnet Individual Project Meetings: Herwig 61/1-017 - Room D
Project meetings for Herwig, Pythia, Sherpa, and Cedar/Rivet/Contur
To find the videoconference rooms in this genius indico interface, click on "Videoconference Rooms" in the left menu and then go through to the appropriate room...
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MCnet Individual Project Meetings: Pythia 61/1-007 - Room B
Project meetings for Herwig, Pythia, Sherpa, and Cedar/Rivet/Contur
To find the videoconference rooms in this genius indico interface, click on "Videoconference Rooms" in the left menu and then go through to the appropriate room...
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Project meetings for Herwig, Pythia, Sherpa, and Cedar/Rivet/Contur
To find the videoconference rooms in this genius indico interface, click on "Videoconference Rooms" in the left menu and then go through to the appropriate room...
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18:00
Informal General Meeting Opener - R1 Coffee area R1 Coffee area
R1 Coffee area
CERN
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Open Session with LHC Experiments - including status reports of MCnet projects/generators 4/3-006 - TH Conference Room
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CMSSpeaker: Kenneth Long (University of Wisconsin Madison (US))
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AliceSpeaker: Redmer Alexander Bertens (Nikhef National institute for subatomic physics (NL))
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11:00
Coffee / Tea
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Open Session with LHC Experiments - including status reports of MCnet projects/generators (continued) 4/3-006 - TH Conference Room
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Plugin/HEJSpeakers: Marian Heil (IPPP), Jeppe Rosenkrantz Andersen (IPPP, University of Durham (UK))
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CedarSpeakers: Jonathan Butterworth (University College London (UK)), Andy Buckley (University of Glasgow (GB))
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12:30
Lunch
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TH Colloquium: joint with CERN Theory Group 4/3-006 - TH Conference RoomConvener: Korinna Christine Zapp (LIP Laboratorio de Instrumentacao e Fisica Experimental de Part)
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15:30
Coffee / Tea
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MCnet Industry Partners' Talks and discussion of secondment projects 4/3-006 - TH Conference RoomConvener: Stefan Gieseke (Karlsruhe Institute of Technology)
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IBASpeaker: Frederic Stichelbaut
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Blue YonderSpeaker: Michael König
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17th MCnet Dinner, 7pm The Glassbox, CERN Restaurant 1
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Student & Postdoc session 4/3-006 - TH Conference Room
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MadDM v.3.0
We present the recently published MadDM v.3.0, now a plugin of Madgraph5_aMC@NLO.
The new release extends the capabilities of the previous versions with a dedicated module for dark matter indirect detection. MadDM is now able to generate energy spectra from dark matter annihilation, calculate cosmic rays fluxes and compare the theory predictions with the Fermi-LAT upper limits from the observation of dwarfs galaxies gamma rays. Moreover the new ‘scan mode’ functionality makes it easy to sample the parameter space of the user’s dark matter model.Speaker: Mr Federico Ambrogi (CP3 Centre for Cosmology, Particle Physics and Phenomenology ) - 26
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10:30
Coffee
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Introduction
Introduction as a new MCnet Ph.D. student at LU and short description of the first research project
Speaker: Ms Smita Chakraborty (Lund University) -
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Introduction
A short introduction about myself as a new PhD student at Lund University.
Speaker: Leif Gellersen (Lund University) -
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Diffraction in Pythia
Update on ongoing activities in Pyhtia.
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Creating heavy ion events from pp events in a generator independent way
The Pythia event generator has seen a lot of progress relating to modeling heavy ion collisions, in the parton-level stacking framework known as Angantyr. Several of the ideas behind Angantyr are, however, not local to Pythia, and it is therefore possible to implement them in a generator independent way.
We present the initial version of such an implementation, which essentially allows for input from all three main generators. As this has been suggested as a topic for this years MCnet summer school tutorials, we show some suggestions to how such a tutorial can be organized, and invite for discussion.Speaker: Christian Bierlich (Lund University (SE)) -
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Secondary absorptive interactions in the Angantyr model
TBA
Speaker: Harsh Shah (Lund University)
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12:30
Lunch
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HEJ: The Path to NLL
Presenting the first set of LL corrections to sub-leading processes within W+Jets in HEJ. This adds resummation to many processes previously only matched to FO.
Speaker: James Black (IPPP) -
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Double Parton Distributions and Parton Showers
Double parton scattering is usually suppressed by single parton scattering. However, in some specific regions of phase-space, the differential cross-sections are comparable. Also, for a given final state, it might happen that the double parton scattering is the dominant contribution if the single parton scattering is suppressed by a higher multiplicity of couplings. For these reasons, it turns out to be necessary to include double parton scattering in event generators in order to give a better description of the data at high energy scales such as at the LHC.
Double parton scattering requires the use of double parton distributions and many efforts have been made during the last decade to produce realistic sets of those distributions, despite the lack of experimental data. In this work, we explore some directions to include those double parton distributions within the conventional partons showers.Speaker: Baptiste Cabouat (University of Manchester) -
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Implementing QED radiation in Vincia
Most parton showers currently work in the leading colour limit, allowing for coherent gluonic radiation through either angular ordering or the dipole/antenna formalist. For photon emission, the equivalent type of radiation in QED, there is no leading colour limit and the soft structure is more complicated. In this talk, I will discuss how we are including photonic emissions into the Vincia parton shower. I will briefly explain several available algorithms which have varying accuracy and speed.
Speaker: Rob Verheyen (Radboud University Nijmegen) -
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Exploring azimuthal correlations in multijet events
Following the recent measurements I did within the CMS collaboration I will bring up some still remaining open issues in closely back-to-back dijet topologies in 2- and 3-jet inclusive events. There are considerable differences observed (up to 15%) and 2- and 3-jet data is not described by any of the models considered simultaneously. Also the unexpected behavior of Madgraph interfaced with Pythia8 will be address for 4-jet inclusive topologies. Preliminary studies suggesting a not proper merging as the source of the differences will be presented. An outlook and prospects on an exhaustive phenomenological investigation to address these issues within the Lund MCnet node will also be given.
Speaker: Armando Bermudez Martinez (CMS-DESY)
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15:30
Coffee
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