Single production of vectorlike Y quarks at the HL-LHC
| Autor: | Orhan Cakir, V. Ari, O.M. Ozsimsek, V. Cetinkaya, A. Ozansoy |
|---|---|
| Přispěvatelé: | Çetinkaya, Volkan |
| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
Physics
Quark Nuclear and High Energy Physics Top quark Particle physics Large Hadron Collider Luminosity (scattering theory) Electroweak interaction High Energy Physics::Phenomenology FOS: Physical sciences hep-ph QC770-798 Standard Model High Energy Physics - Phenomenology High Energy Physics - Phenomenology (hep-ph) Nuclear and particle physics. Atomic energy. Radioactivity High Energy Physics::Experiment Decay chain Boson Particle Physics - Phenomenology |
| Zdroj: | Nuclear Physics Nuclear Physics B, Vol 973, Iss, Pp 115580-(2021) |
| Popis: | We study single production of exotic vectorlike $Y$ quark with electric charge $|Q_{Y}|=4/3$ and its subsequent decay at the High Luminosity LHC (HL-LHC). Most of the vector like quark (VLQ) decays have the electroweak $W$ bosons in the intermediate state. Besides their direct productions singly or pairs, the $W$-bosons are involved in decay chains as a result of the decay of a top quark which contributes to the background. This is particularly the case since vectorlike $Y$ quark, which is estimated to be produced with a high cross-section, can only decay via a $W$ boson and a down type quark ($d,s,b$). We calculate the cross sections of signal (for different couplings and mass values) and relevant Standard Model (SM) backgrounds. After a fast simulation of signal and background events, estimations of the sensitivity to the parameters (mass range 1000-2500 GeV for coupling value $\kappa_{Y}=0.5$, and mass range 500-2000 GeV for coupling values $\kappa_{Y}=0.3$ and $\kappa_{Y}=0.15$) have been presented at the HL-LHC with center of mass energy $\sqrt{s}=14$ TeV and integrated luminosity projections of 300 fb$^{-1}$, 1000 fb$^{-1}$ and 3000 fb$^{-1}$. Comment: 14 pages, 21 figures |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|