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We investigate the impact of flavour-conserving, non-universal quark-lepton contact interactions on the dilepton invariant mass distribution in $p~p \to \ell^+ \ell^-$ processes at the LHC. After recasting the recent ATLAS search performed…

High Energy Physics - Phenomenology · Physics 2017-09-13 Admir Greljo , David Marzocca

We summarize here recent results from the STAR collaboration focusing on processes involving large momentum transfers. Measurements of angular correlations of di-hadrons are explored in both the pseudorapidity (eta) and azimuthal (phi)…

Nuclear Experiment · Physics 2008-11-26 Manuel Calderon de la Barca Sanchez

We consider theories where lepton flavor is violated, in particular concentrating on the four fermion operator consisting of three electrons and a tau. Strong constraints are available from existing searches for tau -> eee, requiring the…

High Energy Physics - Phenomenology · Physics 2015-01-14 Brandon Murakami , Tim M. P. Tait

We present a detailed examination of the heavy flavor content of the $W $ + jet data sample collected with the CDF detector during the 1992-1995 collider run at the Fermilab Tevatron. Jets containing heavy flavor quarks are selected via the…

High Energy Physics - Experiment · Physics 2012-08-27 CDF collaboration

We discuss sensitivities to lepton flavor violating (and conserving) interactions at future muon colliders, especially at $\mu^+\mu^+$ colliders. Compared with the searches for rare decays of $\mu$ and $\tau$, we find that the TeV-scale…

High Energy Physics - Phenomenology · Physics 2025-04-14 Kåre Fridell , Ryuichiro Kitano , Ryoto Takai

We study heavy-flavor hadron production in high-energy pp collisions, assuming the formation of a small, deconfined and expanding fireball where charm quarks can undergo rescattering and hadronization. We adopt the same in-medium…

High Energy Physics - Phenomenology · Physics 2024-01-04 Andrea Beraudo , Arturo De Pace , Daniel Pablos , Francesco Prino , Marco Monteno , Marzia Nardi

Hadrons carrying open heavy flavor, i.e. single charm or bottom quarks, are among the key diagnostic tools available today for the hot and dense state of strongly interacting matter which is produced in collisions of heavy atomic nuclei at…

Nuclear Experiment · Physics 2015-05-18 R. Averbeck

The study of angular correlations of heavy-flavor particles in hadronic collisions can provide crucial insight into the heavy quark production, showering, and hadronization processes. The comparison with model predictions allows us to…

Nuclear Experiment · Physics 2024-03-05 Deepa Thomas , Fabio Colamaria

Randall-Sundrum models are models of quark flavor, because they explain the hierarchies in the quark masses and mixings in terms of order one localization parameters of extra dimensional wavefunctions. The same small numbers which generate…

High Energy Physics - Phenomenology · Physics 2013-10-04 Kaustubh Agashe , Martin Bauer , Florian Goertz , Seung J. Lee , Luca Vecchi , Lian-Tao Wang , Felix Yu

The measurement of electrons from semi-leptonic decay of heavy flavor in $p+p$ collisions at $\sqrt{s}$=200 GeV has been carried out with the PHENIX detector in the RHIC Year-2005 and Year-2006 run. This measurement provides a good test of…

Nuclear Experiment · Physics 2009-03-23 Yuhei Morino

Based on the quark coalescence model for the parton-to-hadron phase transition in ultra-relativistic heavy ion collisions, we relate the elliptic flow ($v_2$) of high $\pt$ hadrons to that of high $\pt$ quarks. For high $\pt$ hadrons…

Nuclear Theory · Physics 2016-09-08 Zi-wei Lin , C. M. Ko

Heavy flavor hadrons, especially doubly heavy baryons and doubly heavy tetraquarks, have always received extensive attention in theoretical and experimental research. Given the separation of quark masses $m_Q \gg m_q$ ($Q = c, b$ and $q =…

High Energy Physics - Phenomenology · Physics 2025-05-29 Lei Liu , Yanmei Xiao , Tao Guo

Measurements of quarkonia (heavy quark and antiquark bound states) and open-heavy flavour hadrons in hadronic collisions provide a unique testing ground for understanding quantum chromodynamics (QCD). Although recently there was significant…

Nuclear Experiment · Physics 2022-08-23 Sebastien Perrin

Given the hints of lepton-flavour non-universality in semi-leptonic $B$ decays, leptoquark (LQ) models with sizeable couplings to heavy-quark flavours are enjoying a renaissance. While such models are subject to stringent constraints from…

High Energy Physics - Phenomenology · Physics 2022-11-30 Ulrich Haisch , Luc Schnell , Stefan Schulte

The started LHC heavy ion program makes it possible to probe new frontiers of the high temperature Quantum Chromodynamics. It is expected that the role of hard and semi-hard particle production processes may be significant at ultra-high…

High Energy Physics - Phenomenology · Physics 2012-09-20 I. P. Lokhtin , A. V. Belyaev , L. V. Malinina , S. V. Petrushanko , E. P. Rogochaya , A. M. Snigirev

We present a detailed study of open heavy flavor production in high-energy $pp$ collisions at the LHC in the color dipole framework. The transverse momentum distributions of produced $b$-jets, accounting for the jet energy loss, as well as…

High Energy Physics - Phenomenology · Physics 2017-07-19 Victor P. Goncalves , Boris Kopeliovich , Jan Nemchik , Roman Pasechnik , Irina Potashnikova

We present the matching relations of the variable flavor number scheme at next-to-leading order, which are of importance to define heavy quark partonic distributions for the use at high energy colliders such as Tevatron and the LHC. The…

High Energy Physics - Phenomenology · Physics 2018-07-04 J. Blümlein , A. De Freitas , C. Schneider , K. Schönwald

Relativistic heavy-ion collisions produce a hot and dense nuclear matter, through which one can study the phase diagram of QCD. Open and hidden heavy flavors are promising probes to search for the properties of the hot and dense nuclear…

Nuclear Theory · Physics 2023-10-16 Taesoo Song , Joerg Aichelin , Elena Bratkovskaya

The LHCb detector has demonstrated a proven competitiveness across a wide range of physics analyses thanks to its forward coverage. These proceedings describe: i) complementary measurements using heavy flavour jets, ii) Electroweak (EW)…

High Energy Physics - Experiment · Physics 2026-05-13 Emilio Xosé Rodríguez Fernández

We present holographic desciptions of dynamical electroweak symmetry breaking models that incorporate the top mass generation mechanism. The models allow computation of the spectrum in the presence of large anomalous dimensions due to…

High Energy Physics - Phenomenology · Physics 2017-09-20 Will Clemens , Nick Evans , Marc Scott