The University of Kansas: Journals@KU
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Herpetofauna of the Great Tectonic Lakes of Exaltación, Beni Department, Bolivia
Get PDFThe Great Tectonic Lakes of Exaltación is a little-explored region of the Beni Department in Bolivia.During a multidisciplinary scientific expedition, we documented the herpetofauna of this part of the floodplains of theLlanos de Moxos and the Cerrado, confirming the presence of 25 amphibian species (Anura) and 40 reptilian species(Testudines, Crocodylia, and Squamata), and estimated species richness of 30 amphibians and 56 reptilian species forthe region. Most reported species have wide distributions in the lowlands, except for Leptodactylus cf. gracilis, a specieswith a restricted distribution in the southern ecoregions of Bolivia. Two threatened turtle species (Podocnemis unifilisand Chelonoidis denticulatus) categorized as Vulnerable were present, as well as other larger reptilian species such as theBlack Caiman (Melanosuchus niger) and the Spectacled Caiman (Caiman yacare)
A Cat-eyed Snake, Leptodeira sp.(Squamata: Dipsadidae), scavenging a road-killed Frog in northern Costa Rica
Get PDFLeucism in an East Asian Bullfrog (Hoplobatrachus chinensis) tadpole from Ba Den Mountain, Vietnam
Get PDFPhoto-nuclear collisions in Pythia 8
Get PDFWe present a new extension in Pythia Monte Carlo event generator that allows to simulate the leading contribution in collisions of a real photon and a heavy ion. The model is based on a vector meson dominance (VMD) where a real photon is modelled as a linear combination of different vector-meson states, and an extension of Angantyr, the heavy-ion model in Pythia, that allow simulations of a generic hadron colliding with an ion target. We first verify the VMD implementation by comparing simulations to HERA photoproduction data. Then we present simulated results corresponding to event selection criteria applied in a recent ATLAS analysis for ultra-peripheral Pb-Pb collisions at the LHC. We find that the simulated results are in line with the ATLAS data when accounting for the limited detector efficiency for charged-particle reconstruction. We also consider two-particle correlations and study whether the simulated events reproduce the collective behaviour seen in the ATLAS photon-lead data
Implementation of the Updated 2024 Colonoscopy Quality Indicators: A Quality Improvement Project
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