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of 10 215
pro vyhledávání: '"MOMENTUM SPECTRA"'
We provide state-of-the-art precision QCD predictions for the fiducial $W$ and $Z$ boson transverse momentum spectra at the LHC at N$^3$LL$'$ and approximate N$^4$LL in resummed perturbation theory, matched to available $\mathcal{O}(\alpha_s^3)$ fixe
Externí odkaz:
http://arxiv.org/abs/2411.16004
Autor:
Aleksandrov, I. A., Rosanov, N. N.
We examine the phenomenon of electron-positron pair production from vacuum in a combination of two counterpropagating electromagnetic pulses having a duration of the order of the Compton time. We show that in this extreme short-time domain, the momen
Externí odkaz:
http://arxiv.org/abs/2411.11565
Autor:
Duan, Ting-Ting, Yang, Pei-Pin, Zhang, Peng-Cheng, Lao, Hai-Ling, Liu, Fu-Hu, Olimov, Khusniddin K.
Publikováno v:
The European Physical Journal Plus 139, 1069 (2024) (18 pages)
This study investigates the transverse momentum ($p_T$) spectra of identified light charged hadrons produced in gold--gold (Au+Au) collisions across various centrality classes at center-of-mass energies per nucleon pair, $\sqrt{s_{NN}}$, ranging from
Externí odkaz:
http://arxiv.org/abs/2410.19266
We have formulated a generalized two level model for studying the pair production in multidimensional time-dependent electric fields. It can provide momentum spectra with fully spin resolved components for all possible combined spin states of the par
Externí odkaz:
http://arxiv.org/abs/2409.11833
Autor:
Sah, Deepak, Singh, Manoranjan P.
We discuss the mechanism of production of electron-positron pairs from the vacuum in a time-varying, spatially uniform pulsed electric field. We analytically compute the probability of $(e^+ e^-) $pair production in momentum space using the exact sol
Externí odkaz:
http://arxiv.org/abs/2405.02947
Autor:
ATLAS Collaboration
Publikováno v:
Eur. Phys. J. C 84 (2024) 1126
This paper describes measurements of the transverse momentum spectra of $W$ and $Z$ bosons produced in proton-proton collisions at centre-of-mass energies of $\sqrt{s}=5.02$ TeV and $\sqrt{s}=13$ TeV with the ATLAS experiment at the Large Hadron Coll
Externí odkaz:
http://arxiv.org/abs/2404.06204
We present analytical solution of relativistic hydrodynamics for a system having cylindrical symmetry with boost-invariant longitudinal expansion and Hubble-like transverse expansion. We also consider analytical solution for Hubble-like spherically e
Externí odkaz:
http://arxiv.org/abs/2403.00624
The transverse momentum spectra and their multiplicity dependence serve as key tools for extracting parameters to be compared with theoretical models. Over the past decade, the scientific community has extensively studied the possibility of a system
Externí odkaz:
http://arxiv.org/abs/2403.07512
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