High-energy nuclear collisions create a quark-gluon plasma, whose initial condition and subsequent expansion vary from event to event, impacting the distribution of the eventwise average transverse momentum [P([p_{T}])]. Disentangling the contributions from fluctuations in the nuclear overlap size (geometrical component) and other sources at a fixed size (intrinsic component) remains a challenge. This problem is addressed by measuring the mean, variance, and skewness of P([p_{T}]) in ^{208}Pb+^{208}Pb and ^{129}Xe+^{129}Xe collisions at sqrt[s_{NN}]=5.
View Article and Find Full Text PDFObjective: To assess the dynamics of changes in the number of deaths due to injury, poisoning and certain other consequences of external causes and their structure among liquidators of the accident at the Chornobyl NPP (PACL) on the basis of the data of Ukraine's State Register of Persons Affected by the Chornobyl Disaster (SRU) for 2000-2020.
Materials And Methods: The study used information resources of the Ministry of Health of Ukraine for 2000-2020 regarding deaths among the PACL - databases of the SRU as a basis for monitoring their health status. Depersonalised information was selected for 2000-2020 regarding 5,124 deaths from injury, poisoning and certain other consequences of external causes (ICD codes S00-T98) among the PACL, who were monitored in healthcare facilitiesof the Ministry of Health of Ukraine.
A search for the exclusive hadronic decays W^{±}→π^{±}γ, W^{±}→K^{±}γ, and W^{±}→ρ^{±}γ is performed using up to 140 fb^{-1} of proton-proton collisions recorded with the ATLAS detector at a center-of-mass energy of sqrt[s]=13 TeV. If observed, these rare processes would provide a unique test bench for the quantum chromodynamics factorization formalism used to calculate cross sections at colliders. Additionally, at future colliders, these decays could offer a new way to measure the W boson mass through fully reconstructed decay products.
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