Benhui Yang
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View article: Inelastic Triatom-Atom Quantum Close-Coupling Dynamics in Full Dimensionality: All Rovibrational Mode Quenching of Water Due to the H Impact on a Six-Dimensional Potential Energy Surface
Inelastic Triatom-Atom Quantum Close-Coupling Dynamics in Full Dimensionality: All Rovibrational Mode Quenching of Water Due to the H Impact on a Six-Dimensional Potential Energy Surface Open
The rovibrational level populations, and subsequent emission in various astrophysical environments, are driven by inelastic collision processes. The available rovibrational rate coefficients for water have been calculated using a number of…
View article: Rovibrational Transitions in HCl due to Collisions with H<sub>2</sub>: Spin-free and Hyperfine-resolved Transitions
Rovibrational Transitions in HCl due to Collisions with H<sub>2</sub>: Spin-free and Hyperfine-resolved Transitions Open
Hydrogen chloride (HCl) is a key repository of chlorine in the interstellar medium. Accurate determinations of its abundance are critical to assessing the chlorine elemental abundance and constraining stellar nucleosynthesis models. To aid…
View article: BASECOL2023 scientific content
BASECOL2023 scientific content Open
Context . The global context of making numerous data produced by researchers available requires collecting and organising the data, assigning meaningful metadata, and presenting the data in a meaningful and homogeneous way. The BASECOL dat…
View article: Inelastic, exchange, and reactive processes in rovibrationally excited collisions of HD with H
Inelastic, exchange, and reactive processes in rovibrationally excited collisions of HD with H Open
The HD molecule is an important coolant in early universe chemistry models and a tracer of H2 in star-forming regions. Rate coefficients for collisional excitation and de-excitation of HD rotational and vibrational levels form important in…
View article: Properties of Highly Rotationally Excited H<sub>2</sub> in Photodissociation Regions
Properties of Highly Rotationally Excited H<sub>2</sub> in Photodissociation Regions Open
Molecular hydrogen (H 2 ) is the dominant molecular species in the vast majority of interstellar environments and it plays a crucial role as a radiative coolant. In photodissociation regions (PDRs), it is one of the primary emitters in the…
View article: Study of $s$- and $d$-wave intruder strengths in $^{13}{\rm B}_{\rm g.s.}$ via a $p(^{13}{\rm B},d)^{12}{\rm B}$ reaction
Study of $s$- and $d$-wave intruder strengths in $^{13}{\rm B}_{\rm g.s.}$ via a $p(^{13}{\rm B},d)^{12}{\rm B}$ reaction Open
Experimental results of the $p(^{13}{\rm B},d)^{12}{\rm B}$ transfer reaction to the low-lying states in $^{12}$B are reported. The optical potential parameters for the entrance channel are extracted from the elastic scattering $p$($^{13}{…
View article: Fine-structure resolved rovibrational transitions for SO + H2 collisions
Fine-structure resolved rovibrational transitions for SO + H2 collisions Open
Cross sections and rate coefficients for sulfur monoxide (SO) + H2 collisions are calculated using a full six-dimensional (6D) potential energy surface (PES). The coupled states (CS) approximation is used to compute fine-structure resolved…
View article: Prediction of a Feshbach Resonance in the Below-the-Barrier Reactive Scattering of Vibrationally Excited HD with H
Prediction of a Feshbach Resonance in the Below-the-Barrier Reactive Scattering of Vibrationally Excited HD with H Open
Quantum reactive scattering calculations on the vibrational quenching of HD due to collisions with H were carried out employing an accurate potential energy surface. The state-to-state cross sections for the chemical reaction HD ($v=1, \ j…
View article: Rotational quenching of HD induced by collisions with H2 molecules
Rotational quenching of HD induced by collisions with H2 molecules Open
Rate coefficients for rotational transitions in HD induced by H2 impact for rotational levels of HD j ≤ 8 and temperatures 10 K ≤ T ≤ 5000 K are reported. The quantum mechanical close-coupling (CC) method and the coupled-states (CS) decoup…
View article: Rotational Quenching of HD in Collisions with H<sub>2</sub>: Resolving Discrepancies for Low-lying Rotational Transitions
Rotational Quenching of HD in Collisions with H<sub>2</sub>: Resolving Discrepancies for Low-lying Rotational Transitions Open
The deuterated hydrogen molecule HD has been observed in a variety of cool molecular astrophysical environments. By virtue of its small dipole moment the HD molecule is believed to have played an important role in the cooling of the primor…
View article: Collisional Quenching of Highly Excited H<sub>2</sub> due to H<sub>2</sub> Collisions
Collisional Quenching of Highly Excited H<sub>2</sub> due to H<sub>2</sub> Collisions Open
Rate coefficients for pure rotational quenching in H 2 ( ν 1 = 0, j 1 ) + H 2 ( ν 2 = 0, j 2 ) collisions from initial levels of j 1 = 2–31 ( j 2 = 0 or 1) to all lower rotational levels are presented. We carried out extensive quantum mech…
View article: Full-Dimensional Quantum Dynamics of SiO in Collision with H<sub>2</sub>
Full-Dimensional Quantum Dynamics of SiO in Collision with H<sub>2</sub> Open
We report the first full-dimensional potential energy surface (PES) and quantum mechanical close-coupling calculations for scattering of SiO due to H2. The full-dimensional interaction potential surface was computed using the explicitly co…
View article: Inelastic cross sections and rate coefficients for collisions between CO and H2
Inelastic cross sections and rate coefficients for collisions between CO and H2 Open
A five-dimensional coupled states (5D-CS) approximation is used to compute cross sections and rate coefficients for CO+H2 collisions. The 5D-CS calculations are benchmarked against accurate six-dimensional close-coupling (6D-CC) calculatio…