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Related papers: Tuning Pythia for Forward Physics Experiments

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Recent measurements dedicated to improving the understanding of modelling top quark pair (${\text{t}\overline{\text{t}}}$) production at the LHC are summarised. These measurements, performed with proton-proton collision data collected by…

High Energy Physics - Experiment · Physics 2019-01-17 Emyr Clement

We study the impact of new set of cuts, proposed in our previous works, on the improvement of accuracy of the jet energy calibration with 'p p ->photon+Jet+X' process at LHC. Monte Carlo events produced by the PYTHIA 5.7 generator are used…

High Energy Physics - Experiment · Physics 2007-05-23 D. V. Bandurin , V. F. Konoplyanikov , N. B. Skachkov

The LHCb experiment at the LHC is fully instrumented over a unique pseudorapidity range in the forward region. Although it has been designed for b-physics, LHCb is able to provide valuable informations on particle production in this region…

High Energy Physics - Experiment · Physics 2019-08-13 Coco Victor

Using variational autoencoders trained on known physics processes, we develop a one-sided threshold test to isolate previously unseen processes as outlier events. Since the autoencoder training does not depend on any specific new physics…

High Energy Physics - Experiment · Physics 2019-06-14 Olmo Cerri , Thong Q. Nguyen , Maurizio Pierini , Maria Spiropulu , Jean-Roch Vlimant

The PYTHIA program is a standard tool for the generation of events in high-energy collisions, comprising a coherent set of physics models for the evolution from a few-body hard process to a complex multiparticle final state. It contains a…

Data from the LHC show a rise in strange-hadron production with charged-particle multiplicity in pp collisions. The Monte-Carlo event generator PYTHIA, using its default Monash tune, instead predicts constant strangeness. We investigate a…

High Energy Physics - Phenomenology · Physics 2026-03-02 Javira Altmann , Lorenzo Bernardinis , Peter Skands , Valentina Zaccolo

We introduce a numerical package FORward Experiment SEnsitivity Estimator, or FORESEE, that can be used to simulate the expected sensitivity reach of experiments placed in the far-forward direction from the proton-proton interaction point.…

High Energy Physics - Phenomenology · Physics 2021-08-25 Felix Kling , Sebastian Trojanowski

The estimation of anti-baryon to baryon ratio is considered to be a useful tool for studying baryon number transport in pp, pA and AA collisions. For this study, the Pythia event generator with various tunes is used to measure the…

High Energy Physics - Phenomenology · Physics 2024-09-20 Banajit Barman , Nur Hussain , Buddhadeb Bhattacharjee

We present a method to measure dominant Standard Model backgrounds using data containing high rapidity objects in pp collisions at the Large Hadron Collider. The method is developed for analyses of early LHC data when robustness against…

High Energy Physics - Experiment · Physics 2008-11-26 Victor Pavlunin , David Stuart

We firstly examine hadroproduction of prompt J/psi's at the Fermilab Tevatron in a Monte Carlo Framework by means of the event generator PYTHIA 5.7 in which those colour-octet matrix elements processes relevant for charmonium production…

High Energy Physics - Phenomenology · Physics 2009-10-30 Miguel A. Sanchis-Lozano , Beatriz Cano-Coloma

The energy deposited at very forward rapidities (very forward energy) is a powerful tool for characterising proton fragmentation in pp and p$-$Pb collisions. The correlation of very forward energy with particle production at midrapidity…

Nuclear Experiment · Physics 2022-12-06 ALICE Collaboration

The installation of forward proton detectors at the LHC will provide the possibility to perform new high-precision measurements, opening a novel window on physics beyond the Standard Model. We review recent simulations and theoretical…

High Energy Physics - Phenomenology · Physics 2015-04-21 Sylvain Fichet

Recent top quark event modeling studies done using LHC proton-proton collision data collected with the CMS detector at centre of mass energies of 8 and 13 TeV and state-of-the-art theoretical predictions are summarized. A new factorized…

High Energy Physics - Experiment · Physics 2018-07-01 Efe Yazgan

Precision measurements at the LHC often require analyzing high-dimensional event data for subtle kinematic signatures, which is challenging for established analysis methods. Recently, a powerful family of multivariate inference techniques…

High Energy Physics - Phenomenology · Physics 2020-01-22 Johann Brehmer , Felix Kling , Irina Espejo , Kyle Cranmer

It is demonstrated that event generators LEPTO and PYTHIA can be modified to describe some azimuthal modulations. The comparisons of results obtained with modified LEPTO with existing data in the current fragmentation region of SIDIS are…

High Energy Physics - Phenomenology · Physics 2017-08-23 A. Kotzinian

sPHENIX is a major upgrade proposed for the PHENIX detector. As part of this proposal, a forward spectrometer to cover the rapidity range 1<eta<4 is in a conceptual stage to complement the detectors in the central region. The forward…

Nuclear Experiment · Physics 2019-08-21 Richard Seto

Event classifiers based either on the charged-particle multiplicity or the event shape have been extensively used in proton-proton (pp) collisions by the ALICE collaboration at the LHC. The use of these tools became very instrumental since…

High Energy Physics - Phenomenology · Physics 2023-04-26 Antonio Ortiz , Arvind Khuntia , Omar Vázquez-Rueda , Sushanta Tripathy , Gyula Bencedi , Suraj Prasad , Feng Fan

New physics has traditionally been expected in the high-$p_T$ region at high-energy collider experiments. If new particles are light and weakly-coupled, however, this focus may be completely misguided: light particles are typically highly…

High Energy Physics - Phenomenology · Physics 2018-06-15 Jonathan L. Feng , Iftah Galon , Felix Kling , Sebastian Trojanowski

The PYTHIA program is a standard tool for the generation of high-energy collisions, comprising a coherent set of physics models for the evolution from a few-body hard process to a complex multihadronic final state. It contains a library of…

High Energy Physics - Phenomenology · Physics 2010-04-06 Torbjörn Sjöstrand , Stephen Mrenna , Peter Skands

We present studies of strange particle yields and correlations in $pp$ collisions in the PYTHIA8 event generator by studying forward-backward correlations. Several key processes that give rise to these correlative effects are identified and…

High Energy Physics - Phenomenology · Physics 2016-02-17 Igor Altsybeev , Grigory Feofilov , Ewen Lawson Gillies
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