Precise predictions for electroweak $t\bar t$ production at the LHC in models with flavour non-diagonal $Z'$ boson couplings and $W'$ bosons

no code implementations • 30 Dec 2020 • M. M. Altakach, T. Ježo, M. Klasen, J. -N. Lang, I. Schienbein

We report on our re-calculation of electroweak top-quark pair production in Standard Model extensions with extra heavy neutral and charged spin-1 particles at the LHC with substantial improvements.

High Energy Physics - Phenomenology High Energy Physics - Experiment

nCTEQ15HIX -- Extending nPDF Analyses into the High-$x$, Low $Q^2$ Region

no code implementations • 21 Dec 2020 • E. P. Segarra, T. Ježo, A. Accardi, P. Duwentäster, O. Hen, T. J. Hobbs, C. Keppel, M. Klasen, K. Kovařík, A. Kusina, J. G. Morfín, K. F. Muzakka, F. I. Olness, I. Schienbein, J. Y. Yu

We use the nCTEQ analysis framework to investigate nuclear Parton Distribution Functions (nPDFs) in the region of large x and intermediate-to-low $Q$, with special attention to recent JLab Deep Inelastic Scattering data on nuclear targets.

High Energy Physics - Phenomenology Nuclear Theory

A Fixed-Target Programme at the LHC: Physics Case and Projected Performances for Heavy-Ion, Hadron, Spin and Astroparticle Studies

no code implementations • 2 Jul 2018 • C. Hadjidakis, D. Kikoła, J. P. Lansberg, L. Massacrier, M. G. Echevarria, A. Kusina, I. Schienbein, J. Seixas, H. S. Shao, A. Signori, B. Trzeciak, S. J. Brodsky, G. Cavoto, C. Da Silva, F. Donato, E. G. Ferreiro, I. Hrivnacova, A. Klein, A. Kurepin, F. Lyonnet, Y. Makdisi, C. Lorcé, S. Porteboeuf, C. Quintans, A. Rakotozafindrabe, P. Robbe, N. Topilskaya, A. Uras, J. Wagner, N. Yamanaka, Z. Yang, A. Zelenski

We review the context, the motivations and the expected performances of a comprehensive and ambitious fixed-target program using the multi-TeV proton and ion LHC beams.

High Energy Physics - Experiment High Energy Physics - Phenomenology Nuclear Experiment Nuclear Theory