Search Results - "Carvalho, Geanderson A"

Chemical Evolution of CO2 Ices under Processing by Ionizing Radiation: Characterization of Nonobserved Species and Chemical Equilibrium Phase with the Employment of PROCODA Code by Pilling, Sergio, Carvalho, Geanderson A., Rocha, Will R. M.

“…Astrophysical ices are being exposed to ionizing radiation in space environments, which trigger new reactions and desorption processes. In the lab, such…”
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Chemical changes induced during heating of acetonitrile-rich ice pre-irradiated by X-rays and its implication in astrochemistry by Carvalho, Geanderson A., Pilling, Sérgio

“…[Display omitted] •Acetonitrile-rich ice samples were produced and thermally processed.•Thermal desorption of acetonitrile was shown to be between 120 K and…”
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Characterization of acetonitrile ice irradiated by X-rays employing the procoda code – I. Effective rate constants and abundances at chemical equilibrium by Carvalho, Geanderson A, Pilling, Sérgio, Galvão, Breno R L

“…In this work, the chemical evolution of pure acetonitrile ice at 13 K irradiated with broad-band soft X-rays (from 6 eV to 2 keV) is determined by using a…”
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Chemical Evolution of CO 2 Ices under Processing by Ionizing Radiation: Characterization of Nonobserved Species and Chemical Equilibrium Phase with the Employment of PROCODA Code by Pilling, Sergio, Carvalho, Geanderson A., Rocha, Will R. M.

“…Astrophysical ices are being exposed to ionizing radiation in space environments, which trigger new reactions and desorption processes. In the lab, such…”
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Mapping the evolution of pure CO2 ices irradiated by ions, UV, and electrons using the upgraded PROCODA code (employing an effective rate constant ordering by thermochemistry data) by Pilling, Sergio, Rocha, Will R.M., Carvalho, Geanderson A., de Abreu, Heitor A.

“…Chemical reactions and desorption processes are being triggered by incoming ionizing radiation over astrophysical ices in cold space environments. The…”
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In-Stabilities of massive white dwarfs in modified gravity by Lobato, Ronaldo V, Carvalho, Geanderson A, Kelkar, Neelima G, Nowakowski, Marek

“…Super-Chandrasekhar white dwarfs are a timely topic in the last years in the scientific community due to its connection to supernovae type Ia (SN Ia). Some…”
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An updated view and perspectives on high-energy gamma-ray emission from SGR J1935+2154 and its environment by Coelho, Jaziel G, Padilha, Luana N, Anjos, Rita C. dos, Ventura, Cynthia V, Carvalho, Geanderson A

“…JCAP 10, 041 (2022) SGR J1935+2154 was discovered in 2016 and is currently one of the most burst-active Soft Gamma-ray Repeaters (SGR), having emitted several…”
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Extra dimensions' influence on the equilibrium and radial stability of strange quark stars by Arbañil, José D. V, Carvalho, Geanderson A, Lobato, Ronaldo V, MarinhoJr, Rubens M, Malheiro, Manuel

“…We analyze the influence of extra dimensions on the static equilibrium configurations and stability against radial perturbations. For this purpose, we solve…”
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