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A possible use of forward proton tagging detectors at the LHC in the context of heavy ion interactions is discussed. It is shown that signals registered in such detectors are sensitive to the geometry of the collision. A method of the…

High Energy Physics - Experiment · Physics 2020-11-03 Janusz J. Chwastowski , Krzysztof Cieśla , Rafał Staszewski , Piotr Babiarz

Jet tagging has become an essential tool for new physics searches at the high-energy frontier. For jets that contain energetic charged leptons we introduce Feature Extended Supervised Tagging (FEST) which, in addition to jet substructure,…

High Energy Physics - Phenomenology · Physics 2021-09-01 J. A. Aguilar-Saavedra

Recent experiments have confirmed the presence of interlayer excitons in the ground state of transition metal dichalcogenide (TMD) bilayers. The interlayer excitons are expected to show remarkable transport properties when they undergo Bose…

Mesoscale and Nanoscale Physics · Physics 2024-06-10 Nishchhal Verma , Daniele Guerci , Raquel Queiroz

The precision determination of scalar top quark properties will play an important role at a future International Linear Collider (ILC). Recent and ongoing studies are discussed for different experimental topologies in the detector. First…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Sopczak , M. Carena , A. Finch , A. Freitas , C. Milstene , H. Nowak

The identification of jets containing a $b$-hadron, referred to as $b$-tagging, plays an important role for various physics measurements and searches carried out by the ATLAS experiment at the CERN Large Hadron Collider (LHC). The most…

High Energy Physics - Experiment · Physics 2023-06-08 Arnaud Duperrin

In this letter, I propose a strategy to measure vector-boson scattering (VBS) at the LHCb experiment. The typical VBS topology at hadron colliders features two energetic back-to-back jets with large rapidities and two gauge bosons produced…

High Energy Physics - Phenomenology · Physics 2020-11-16 Mathieu Pellen

We investigate use of transverse beam polarization in probing anomalous coupling of a Higgs boson to a pair of vector bosons, at the International Linear Collider (ILC). We consider the most general form of VVH (V = W/Z) vertex consistent…

High Energy Physics - Phenomenology · Physics 2009-09-28 Sudhansu S. Biswal , Rohini M. Godbole

One of the major physics goals at the ILC is the precise measurement of the Higgs coupling constants to b-quarks and c-quarks. To achieve this measurement, we need a high-performance vertex detector leading to precise flavor tagging. For…

Instrumentation and Detectors · Physics 2014-03-25 Tatsuya Mori , Daisuke Kamai , Akiya Miyamoto , Yasuhiro Sugimoto , Akimasa Ishikawa , Taikan Suehara , Eriko Kato , Hitoshi Yamamoto

Jet-flavour identification algorithms are of paramount importance to maximise the physics potential of the Future Circular Collider (FCC). Out of the extensive FCC-ee physics program, flavour tagging is crucial for the Higgs physics…

High Energy Physics - Experiment · Physics 2022-10-20 Kunal Gautam

The construction of low mass vertex detectors with a high level of system integration is of great interest for next generation collider experiments. Radiation length images with a sufficient spatial resolution can be used to measure and…

Instrumentation and Detectors · Physics 2016-09-09 U. Stolzenberg , A. Frey , B. Schwenker , P. Wieduwilt , C. Marinas , F. Lütticke

The performance of top taggers, for example in resonance searches, can be significantly enhanced through an increased set of variables, with a special focus on final-state radiation. We study the production and the decay of a heavy gauge…

High Energy Physics - Phenomenology · Physics 2015-03-23 Gregor Kasieczka , Tilman Plehn , Torben Schell , Thomas Strebler , Gavin P. Salam

During the second LHC long shutdown (LS2) the Inner Tracking System (ITS) of ALICE (A Large Ion Collider Experiment) will be replaced by seven layers of CMOS Monolithic Active Pixel Sensors (MAPS). The latest innovations in silicon imaging…

Nuclear Experiment · Physics 2020-05-01 D. Andreou

The physics programme of high energy e+e- linear colliders relies on the accurate identification of fermions in order to study in details the profile of the Higgs boson, search for new particles and probe the multi-TeV mass region by means…

High Energy Physics - Experiment · Physics 2009-10-31 Marco Battaglia

The study of the process $e^+e^- \to W^+W^-$ at Linear Collider energies presents a good opportunity to investigate anomalous triple gauge boson couplings and $W^+_LW^-_L$ rescattering. The helicity analysis of the $e^+e^- \to W^+_LW^-_L$…

High Energy Physics - Experiment · Physics 2007-05-23 Wolfgang Walkowiak

Jet flavour tagging is crucial in experimental high-energy physics. A tagging algorithm, DeepJetTransformer, is presented, which exploits a transformer-based neural network that is substantially faster to train than state-of-the-art graph…

High Energy Physics - Experiment · Physics 2025-02-11 Freya Blekman , Florencia Canelli , Alexandre De Moor , Kunal Gautam , Armin Ilg , Anna Macchiolo , Eduardo Ploerer

The scalar top discovery potential has been studied with a full-statistics background simulation for sqrt(s) = 500 GeV and L = 500 fb-1. The simulation is based on a fast and realistic simulation of a TESLA detector. The large simulated…

High Energy Physics - Phenomenology · Physics 2009-09-25 M. Berggren , R. Keranen , H. Nowak , A. Sopczak

After a discovery of the Higgs boson the next question is what are its couplings. At the LHC there should be many observable channels which can be exploited to measure the relevant parameters in the Higgs sector. Using the SFitter framework…

High Energy Physics - Phenomenology · Physics 2019-08-13 M. Rauch

We are constructing a Silicon Vertex Tracker detector (VTX) for the PHENIX experiment at RHIC. Our main motivation is to enable measurements of heavy flavor production (charm and beauty) in p+p, p+d and A+A collisions. Such data will…

Nuclear Experiment · Physics 2009-04-30 Rachid Nouicer

The harsh machine background at the Compact Linear Collider (CLIC) forms a strong constraint on the design of the innermost part of the tracker. For the CLIC Conceptual Design Report, the detector concepts developed for the International…

Instrumentation and Detectors · Physics 2012-03-06 D. Dannheim , A. Sailer , J. Trenado , M. Vos

Gas Electron Multipliers (GEM) are among the more prominent Micro-Pattern Gaseous Detectors (MPGDs) and widely used in high energy particle physics experiments and various related applications. Adoption of different production techniques…

Instrumentation and Detectors · Physics 2024-03-06 Promita Roy , Purba Bhattacharya , Prasant Kumar Rout , Supratik Mukhopadhyay , Nayana Majumdar , Sandip Sarkar