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Related papers: Calculating Track-Based Observables for the LHC

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A new method used to calculate the neutrino for all major tau hadronic decay event by event at the LHC is presented. It is possible because nowadays better detector description is available. With the neutrino fully reconstructed, matrix…

High Energy Physics - Phenomenology · Physics 2019-01-30 Xin Chen , Yongcheng Wu

We use diffractive parton distributions obtained from fits to the diffractive structure function measured at HERA to predict cross sections for single diffractive Higgs production at the LHC. The dominant background processes are also…

High Energy Physics - Phenomenology · Physics 2009-10-30 M. Heyssler , Z. Kunszt , W. J. Stirling

Several observables sensitive to the fragmentation of $b$-quarks into $b$-hadrons are measured using 36 fb${}^{-1}$ of $\sqrt s = 13$ TeV proton-proton collision data collected with the ATLAS detector at the LHC. Jets containing $b$-hadrons…

High Energy Physics - Experiment · Physics 2022-09-13 ATLAS Collaboration

Non-helical tracks are the smoking gun signature of charged and/or colored quirks, which are pairs of particles bound by a new, long-range confining force. We propose a method to efficiently search for these non-helical tracks at the LHC,…

High Energy Physics - Phenomenology · Physics 2017-12-27 Simon Knapen , Hou Keong Lou , Michele Papucci , Jack Setford

A study of QCD coherence is presented based on a sample of about 397000 $e^+e^-$ hadronic annihilation events collected at $\sqrt{s}=91$ GeV with the OPAL detector at LEP. The study is based on four recently proposed observables that are…

High Energy Physics - Experiment · Physics 2016-01-20 Nadine Fischer , Stefan Gieseke , Stefan Kluth , Simon Plätzer , Peter Skands , the OPAL collaboration

The pseudorapidity density of charged particles produced at LHC collisions are predicted by using two complementary production mechanisms with a set of consistent integrated and unintegrated parton distributions. We discuss the limiting…

High Energy Physics - Phenomenology · Physics 2015-03-17 Jianhong Ruan , Wei Zhu

We calculate cross sections for the far forward LHC detectors to be used for luminosity measurement. A simple model, based on a parametrization of available inclusive neutron data and the assumption that 2 arm rates in non-diffractive…

High Energy Physics - Phenomenology · Physics 2010-05-11 Sebastian White

To identify some way to measure the quark transversity, this thesis analyzes one-particle and two-particle inclusive deep inelastic scattering, where one and two of the outgoing hadrons are detected in coincidence with the electron. It is…

High Energy Physics - Phenomenology · Physics 2009-09-29 A. Bacchetta

We predict that the onset of gluon saturation can be uniquely identified using incoherent ${\rm J}/\psi$ production in Pb$\unicode{x2013}$Pb collisions at currently accessible energies of the LHC. The diffractive incoherent photo-production…

High Energy Physics - Phenomenology · Physics 2024-03-28 Jan Cepila , Jesus Guillermo Contreras , Marek Matas , Alexandra Ridzikova

I review the status of the comparisons between a few measurements at hadronic colliders and perturbative QCD predictions, which emphasize the need for improving the current computations. Such improvements will be mandatory for a…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Frixione

We consider Higgs boson production at hadron colliders in the gluon fusion channel and compute higher order terms in the regularization parameter $\epsilon$. In particular, the next-to-next-to-leading order cross section is evaluated…

High Energy Physics - Phenomenology · Physics 2015-06-12 Maik Höschele , Jens Hoff , Alexey Pak , Matthias Steinhauser , Takahiro Ueda

The HBT radii extracted in p-pbar and pp collisions at SPS and Tevatron show a clear correlation with the charged particle rapidity density. We propose to explain the correlation using a simple model where the distance from the initial hard…

High Energy Physics - Phenomenology · Physics 2009-11-11 Guy Paic , Piotr Krzysztof Skowronski

Jet fragmentation functions measured in e^+e^- and p+\bar{p} experiments are well-described on an inclusive hadron level by QCD-based calculations. Fragmentation is expected to be modified by the presence of a strongly interacting medium,…

Nuclear Experiment · Physics 2009-07-22 Mark Heinz

To efficiently detect energetic light charged particles, it is common to use arrays of energy-loss telescopes involving two or more layers of detection media. As the energy of the particles increases, thicker layers are usually needed.…

Instrumentation and Detectors · Physics 2021-10-27 S. Sweany , W. G. Lynch , K. Brown , A. Anthony , Z. Chajecki , D. Dell'Aquila , P. Morfouace , F. C. E. Teh , C. Y. Tsang , M. B. Tsang , R. S. Wang , K. Zhu

The $p_T$ distributions of the $K^0$- and $\phi$ - mesons produced in the $pp$ collisions at $\sqrt{s}=2.76 TeV$ have been analyzed by fitting them using the exponential function. It was observed that the distributions contain several $p_T$…

High Energy Physics - Phenomenology · Physics 2023-08-16 Mais Suleymanov

In the era of precision physics measurements at the LHC, efficient and exhaustive estimations of theoretical uncertainties play an increasingly crucial role. In the context of Monte Carlo (MC) event generators, the estimation of such…

High Energy Physics - Phenomenology · Physics 2016-10-12 S. Mrenna , P. Skands

The single inclusive spectrum of charged particles with transverse momenta pT=3-150 GeV/c measured at midrapidity by the CDF experiment in proton-antiproton (p-pbar) collisions at sqrt(s)=1.96 TeV is compared to next-to-leading order (NLO)…

High Energy Physics - Phenomenology · Physics 2014-11-20 Francois Arleo , David d'Enterria , Andre S. Yoon

A comprehensive study of the $J/\psi$ energy correlator as a probe of non-perturbative hadronization in color-octet $c\bar{c}$ production is performed. The energy correlator measures the energy flow as a function of the angular distance…

High Energy Physics - Phenomenology · Physics 2026-04-02 Jin-peng Zhang , Qian Yang , Wen-Chao Zhang , Yu-jiao Zhao

Recent models of soft diffraction include a hard pomeron pole besides the usual soft term. Such models violate the black-disk limit around Tevatron energies, so that they need to be supplemented by a unitarisation scheme. Several such…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. -R. Cudell , O. V. Selyugin

We describe first results obtained with a track structure imaging system for measuring the ionisation topology of charged particles in a low-pressure gas. The detection method is based on a time projection chamber (TPC) filled with…

Instrumentation and Detectors · Physics 2007-05-23 U. Titt , V. Dangendorf , H. Schuhmacher
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