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Related papers: Pileup subtraction using jet areas

200 papers

The upcoming operation regimes of the Large Hadron Collider are going to place stronger requirements on the rejection of particles originating from pileup, i.e. from interactions between other protons. For this reason, particle weighting…

High Energy Physics - Phenomenology · Physics 2016-01-19 Federico Colecchia

We present data-driven methods for the full reconstruction of jets in heavy ion collisions, for inclusive and co-incidence jet measurements at both RHIC and LHC. The complex structure of heavy ion events generates a large background of…

High Energy Physics - Experiment · Physics 2012-10-05 G. O. V. de Barros , Bo Fenton-Olsen , Peter Jacobs , Mateusz Ploskon

The jet quenching phenomenon in heavy ion collisions provides a strong evidence of the modification of parton shower in the quark-gluon plasma (QGP). Jet substructure observables can probe various aspects of the jet formation mechanism.…

High Energy Physics - Phenomenology · Physics 2016-11-22 Yang-Ting Chien

This talk reviews some key developments that have taken place in hadron-collider jet finding over the past couple of years, including: technical advances such as the complete formulation of an infrared safe seedless cone algorithm and fast…

High Energy Physics - Phenomenology · Physics 2009-01-16 Gavin P. Salam

We present a method to match the multi-parton states generated by the High Energy Jets Monte Carlo with parton showers generated by the Ariadne program using the colour dipole model. The High Energy Jets program already includes a full…

High Energy Physics - Phenomenology · Physics 2015-03-19 Jeppe R. Andersen , Leif Lonnblad , Jennifer M. Smillie

I explore many aspects of jet substructure at the Large Hadron Collider, ranging from theoretical techniques for jet calculations, to phenomenological tools for better searches with jets, to software for implementing and comparing such…

High Energy Physics - Phenomenology · Physics 2015-03-17 Christopher K. Vermilion

In recent years, the study of dihadron correlations has been one of the primary methods used to investigate the propagation and modification of hard-scattered partons through the QGP. Due to recent advances in jet-finding algorithms, it is…

Nuclear Experiment · Physics 2019-08-13 Alice Ohlson

Copious production of very energetic jets is expected at the LHC due to the large increase in collision energy. Jet reconstruction at these high center of mass energies will provide crucial leverage to map out the QCD evolution of parton…

High Energy Physics - Experiment · Physics 2019-08-13 Sevil Salur

In these proceedings, we briefly review how jets can be reconstructed in heavy-ion collisions. The main point we address is the subtraction of the large contamination from the underlying event background. We first present the main…

High Energy Physics - Phenomenology · Physics 2015-03-17 Gregory Soyez

Collider signals of dark photons are an exciting probe for new gauge forces and are characterized by events with boosted lepton jets. Existing techniques are efficient in searching for muonic lepton jets but due to substantial backgrounds…

High Energy Physics - Phenomenology · Physics 2017-03-15 G. Barello , Spencer Chang , Christopher A. Newby , Bryan Ostdiek

We present a method for studying the detection of jets in high energy hadronic collisions using multiplicity detector in forward rapidities. Such a study enhances the physics scope of multiplicity detectors at forward rapidities in LHC. At…

High Energy Physics - Experiment · Physics 2016-12-08 Ranbir Singh , Bedangadas Mohanty

We study the modifications of jets created in heavy-ion collisions at LHC energies. The inherent hierarchy of scales governing the jet evolution allows to distinguish a leading jet structure, which interacts coherently with the medium as a…

High Energy Physics - Phenomenology · Physics 2015-07-15 Yacine Mehtar-Tani , Konrad Tywoniuk

We discuss the process of colour-singlet parton-parton scattering, which in hadron-hadron collision can lead to production of jet events, where a rapidity gap between the jets is present. The dynamics of the process is calculated within LL…

High Energy Physics - Phenomenology · Physics 2017-11-08 Rafał Staszewski , Izabela Babiarz , Antoni Szczurek

Pileup involves the contamination of the energy distribution arising from the primary collision of interest (leading vertex) by radiation from soft collisions (pileup). We develop a new technique for removing this contamination using…

High Energy Physics - Phenomenology · Physics 2018-01-10 Patrick T. Komiske , Eric M. Metodiev , Benjamin Nachman , Matthew D. Schwartz

A study of Underlying Events (UE) and Minimum Bias (MB) at Large Hadron Collider (LHC)with CMS and ATLAS detector under nominal conditions is discussed. Using charged particle and charged particle jets, it will be possible to discriminate…

High Energy Physics - Experiment · Physics 2008-06-17 F. Ambroglini

The jet quenching phenomenon in heavy ion collisions provides a strong evidence of the modification of parton shower in the quark-gluon plasma. This contribution focuses on the hard probes of QGP using jets and summarizes the new…

High Energy Physics - Phenomenology · Physics 2016-09-20 Yang-Ting Chien

Jet-matter interaction remains a central question and a theoretical challenge in heavy-ion physics and might become important in high-multiplicity events in proton-proton collisions at LHC energies. Full jet measurement at LHC offer the…

High Energy Physics - Phenomenology · Physics 2011-03-18 A. G. Agócs , G. G. Barnaföldi , P. Lévai

As the LHC prepares to start taking data, this review is intended to provide a QCD theorist's understanding and views on jet finding at hadron colliders, including recent developments. My hope is that it will serve both as a primer for the…

High Energy Physics - Phenomenology · Physics 2014-11-20 Gavin P. Salam

We improve previously derived analytical estimates of hadronisation corrections to QCD jets at hadron colliders, firmly establishing at the two-loop level the link to the well-known power corrections to LEP event-shape variables. The…

High Energy Physics - Phenomenology · Physics 2009-07-22 Mrinal Dasgupta , Yazid Delenda

Recent developments in jet clustering are reviewed. We present a list of fast and infrared and collinear safe algorithms, and also describe new tools like jet areas. We show how these techniques can be applied to the study of underlying…

High Energy Physics - Phenomenology · Physics 2009-06-10 Matteo Cacciari