All Outputs (741)

New experimental 23Na(α,p)26Mg Reaction Rate for Massive Star and Type-Ia Supernova models (2021)
Journal Article
J. Hubbard, N., Aa. Diget, C., P. Fox, S., O. U. Fynbo, H., M. Howard, A., S. Kirsebom, O., M. Laird, A., Munch, M., Parikh, A., Pignatari, M., & R. Tomlinson, J. (2021). New experimental 23Na(α,p)26Mg Reaction Rate for Massive Star and Type-Ia Supernova models. The Astrophysical journal, 912(1), Article 59. https://doi.org/10.3847/1538-4357/abee91

The 23Na(α,p)26Mg reaction has been identified as having a significant impact on the nucleosynthesis of several nuclei between Ne and Ti in type-Ia supernovae, and of 23Na and 26Al in massive stars. The reaction has been subjected to renewed experime... Read More about New experimental 23Na(α,p)26Mg Reaction Rate for Massive Star and Type-Ia Supernova models.

Effect of treatment planning system parameters on beam modulation complexity for treatment plans with single-layer multi-leaf collimator and dual-layer stacked multi-leaf collimator (2021)
Journal Article
Quintero, P., Cheng, Y., Benoit, D., Moore, C., & Beavis, A. (2021). Effect of treatment planning system parameters on beam modulation complexity for treatment plans with single-layer multi-leaf collimator and dual-layer stacked multi-leaf collimator. British Journal of Radiology, 94(1122), Article 20201011. https://doi.org/10.1259/bjr.20201011

OBJECTIVE: High levels of beam modulation complexity (MC) and monitor units (MU) can compromise the plan deliverability of intensity-modulated radiotherapy treatments. Our study evaluates the effect of three treatment planning system (TPS) parameters... Read More about Effect of treatment planning system parameters on beam modulation complexity for treatment plans with single-layer multi-leaf collimator and dual-layer stacked multi-leaf collimator.

Adsorption trajectories of nonspherical particles at liquid interfaces (2021)
Journal Article
Buzza, D. M. A., Stasiuk, G. J., Horozov, T. S., Adawi, A. M., Bouillard, J.-S. G., Lowe, C., Fox, J., & Morgan, S. O. (2021). Adsorption trajectories of nonspherical particles at liquid interfaces. Physical Review E, 103(4), Article 042604. https://doi.org/10.1103/PhysRevE.103.042604

The adsorption of colloidal particles at liquid interfaces is of great importance scientifically and industrially, but the dynamics of the adsorption process is still poorly understood. In this paper we use a Langevin model to study the adsorption dy... Read More about Adsorption trajectories of nonspherical particles at liquid interfaces.

HAYDN: High-precision AsteroseismologY of DeNse stellar fields (2021)
Journal Article
Miglio, A., Girardi, L., Grundahl, F., Mosser, B., Bastian, N., Bragaglia, A., Brogaard, K., Buldgen, G., Chantereau, W., Chaplin, W., Chiappini, C., Dupret, M.-A., Eggenberger, P., Gieles, M., Izzard, R., Kawata, D., Karoff, C., Lagarde, N., Mackereth, T., Magrin, D., …Vincenzo, F. (2021). HAYDN: High-precision AsteroseismologY of DeNse stellar fields. Experimental astronomy, 51(3), 963-1001. https://doi.org/10.1007/s10686-021-09711-1

In the last decade, the Kepler and CoRoT space-photometry missions have demonstrated the potential of asteroseismology as a novel, versatile and powerful tool to perform exquisite tests of stellar physics, and to enable precise and accurate character... Read More about HAYDN: High-precision AsteroseismologY of DeNse stellar fields.

Mode Engineering in Large Arrays of Coupled Plasmonic–Dielectric Nanoantennas (2021)
Journal Article
Córdova‐Castro, R. M., Krasavin, A. V., Nasir, M. E., Wang, P., Bouillard, J. S. G., McPolin, C. P. T., & Zayats, A. V. (in press). Mode Engineering in Large Arrays of Coupled Plasmonic–Dielectric Nanoantennas. Advanced Optical Materials, Article 2001467. https://doi.org/10.1002/adom.202001467

Strong electromagnetic field confinement and enhancement can be readily achieved in plasmonic nanoantennas, however, this is considerably more difficult to realize over large areas, which is essential for many applications. Here, dispersion engineeri... Read More about Mode Engineering in Large Arrays of Coupled Plasmonic–Dielectric Nanoantennas.

APOGEE DR16: A multi-zone chemical evolution model for the Galactic disc based on MCMC methods (2021)
Journal Article
Spitoni, E., Verma, K., Silva Aguirre, V., Vincenzo, F., Matteucci, F., Vaičekauskaitė, B., Palla, M., Grisoni, V., & Calura, F. (2021). APOGEE DR16: A multi-zone chemical evolution model for the Galactic disc based on MCMC methods. Astronomy and Astrophysics, 647, Article A73. https://doi.org/10.1051/0004-6361/202039864

Context. The analysis of the latest release of the Apache Point Observatory Galactic Evolution Experiment project (APOGEE DR16) data suggests the existence of a clear distinction between two sequences of disc stars at different Galactocentric distanc... Read More about APOGEE DR16: A multi-zone chemical evolution model for the Galactic disc based on MCMC methods.

Unifying femtosecond and picosecond single-pulse magnetic switching in Gd-Fe-Co (2021)
Journal Article
Jakobs, F., Ostler, T. A., Lambert, C. H., Yang, Y., Salahuddin, S., Wilson, R. B., Gorchon, J., Bokor, J., & Atxitia, U. (2021). Unifying femtosecond and picosecond single-pulse magnetic switching in Gd-Fe-Co. Physical Review B, 103(10), Article 104422. https://doi.org/10.1103/PhysRevB.103.104422

Many questions are still open regarding the physical mechanisms behind the magnetic switching in Gd-Fe-Co alloys by single optical pulses. Phenomenological models suggest a femtosecond scale exchange relaxation between sublattice magnetization as the... Read More about Unifying femtosecond and picosecond single-pulse magnetic switching in Gd-Fe-Co.

129I and 247Cm in meteorites constrain the last astrophysical source of solar r-process elements (2021)
Journal Article
Côté, B., Eichler, M., Yagüe, A., Vassh, N., Mumpower, M. R., Világos, B., Soós, B., Arcones, A., Sprouse, T. M., Surman, R., Pignatari, M., Pető, M. K., Wehmeyer, B., Rauscher, T., & Lugaro, M. (2021). 129I and 247Cm in meteorites constrain the last astrophysical source of solar r-process elements. Science, 371(6532), 945-948. https://doi.org/10.1126/science.aba1111

The composition of the early Solar System can be inferred from meteorites. Many elements heavier than iron were formed by the rapid neutron capture process (r-process), but the astrophysical sources where this occurred remain poorly understood. We de... Read More about 129I and 247Cm in meteorites constrain the last astrophysical source of solar r-process elements.

NIR-quantum dots in biomedical imaging and their future (2021)
Journal Article
Gil, H. M., Price, T. W., Chelani, K., Bouillard, J. S. G., Calaminus, S. D., & Stasiuk, G. J. (2021). NIR-quantum dots in biomedical imaging and their future. iScience, 24(3), Article 102189. https://doi.org/10.1016/j.isci.2021.102189

Fluorescence imaging has gathered interest over the recent years for its real-time response and high sensitivity. Developing probes for this modality has proven to be a challenge. Quantum dots (QDs) are colloidal nanoparticles that possess unique opt... Read More about NIR-quantum dots in biomedical imaging and their future.

Project ThaiPASS: international outreach blending astronomy and Python (2021)
Journal Article
Keegans, J. D., Stancliffe, R. J., Bilton, L. E., Cashmore, C. R., Gibson, B. K., Kristensen, M. T., Lawson, T. V., Pignatari, M., Vaezzadeh, I., Côté, B., & Chongchitnan, S. (2021). Project ThaiPASS: international outreach blending astronomy and Python. Physics Education, 56(3), Article 035001. https://doi.org/10.1088/1361-6552/abdae7

We present our outreach program, the Thailand–UK Python+Astronomy Summer School (ThaiPASS), a collaborative project comprising UK and Thai institutions and assess its impact and possible application to schools in the United Kingdom. Since its incepti... Read More about Project ThaiPASS: international outreach blending astronomy and Python.

The horizon run 5 cosmological hydrodynamical simulation: probing galaxy formation from kilo- to gigaparsec scales (2021)
Journal Article
Lee, J., Shin, J., Snaith, O. N., Kim, Y., Few, C. G., Devriendt, J., Dubois, Y., Cox, L. M., Hong, S. E., Kwon, O. K., Park, C., Pichon, C., Kim, J., Gibson, B. K., & Park, C. (2021). The horizon run 5 cosmological hydrodynamical simulation: probing galaxy formation from kilo- to gigaparsec scales. The Astrophysical journal, 908(1), Article 11. https://doi.org/10.3847/1538-4357/abd08b

Horizon Run 5 (HR5) is a cosmological hydrodynamical simulation that captures the properties of the universe on a Gpc scale while achieving a resolution of 1 kpc. Inside the simulation box, we zoom in on a high-resolution cuboid region with a volume... Read More about The horizon run 5 cosmological hydrodynamical simulation: probing galaxy formation from kilo- to gigaparsec scales.

Förster resonance energy transfer and the local optical density of states in plasmonic nanogaps (2021)
Journal Article
Hamza, A. O., Viscomi, F. N., Bouillard, J. S. G., & Adawi, A. M. (2021). Förster resonance energy transfer and the local optical density of states in plasmonic nanogaps. Journal of Physical Chemistry Letters, 12(5), 1507-1513. https://doi.org/10.1021/acs.jpclett.0c03702

Förster resonance energy transfer (FRET) is a fundamental phenomenon in photosynthesis and is of increasing importance for the development and enhancement of a wide range of optoelectronic devices, including color-tuning LEDs and lasers, light harves... Read More about Förster resonance energy transfer and the local optical density of states in plasmonic nanogaps.

Role of element-specific damping in ultrafast, helicity-independent, all-optical switching dynamics in amorphous (Gd,Tb)Co thin films (2021)
Journal Article
Ceballos, A., Pattabi, A., El-Ghazaly, A., Ruta, S., Simon, C. P., Evans, R. F., Ostler, T., Chantrell, R. W., Kennedy, E., Scott, M., Bokor, J., & Hellman, F. (2021). Role of element-specific damping in ultrafast, helicity-independent, all-optical switching dynamics in amorphous (Gd,Tb)Co thin films. Physical Review B, 103(2), https://doi.org/10.1103/PhysRevB.103.024438

Ultrafast control of the magnetization in ps timescales by fs laser pulses offers an attractive avenue for applications such as fast magnetic devices for logic and memory. However, ultrafast helicity-independent all-optical switching (HI-AOS) of the... Read More about Role of element-specific damping in ultrafast, helicity-independent, all-optical switching dynamics in amorphous (Gd,Tb)Co thin films.

KiDS-1000 cosmology: Cosmic shear constraints and comparison between two point statistics (2021)
Journal Article
Asgari, M., Lin, C. A., Joachimi, B., Giblin, B., Heymans, C., Hildebrandt, H., Kannawadi, A., Stölzner, B., Tröster, T., Van Den Busch, J. L., Wright, A. H., Bilicki, M., Blake, C., De Jong, J., Dvornik, A., Erben, T., Getman, F., Hoekstra, H., Köhlinger, F., Kuijken, K., …Valentijn, E. (2021). KiDS-1000 cosmology: Cosmic shear constraints and comparison between two point statistics. Astronomy and Astrophysics, 645, Article A104. https://doi.org/10.1051/0004-6361/202039070

We present cosmological constraints from a cosmic shear analysis of the fourth data release of the Kilo-Degree Survey (KiDS-1000), which doubles the survey area with nine-band optical and near-infrared photometry with respect to previous KiDS analyse... Read More about KiDS-1000 cosmology: Cosmic shear constraints and comparison between two point statistics.

Age dissection of the Milky Way discs: Red giants in the Kepler field (2021)
Journal Article
Miglio, A., Chiappini, C., Mackereth, J. T., Davies, G. R., Brogaard, K., Casagrande, L., Chaplin, W. J., Girardi, L., Kawata, D., Khan, S., Izzard, R., Montalbán, J., Mosser, B., Vincenzo, F., Bossini, D., Noels, A., Rodrigues, T., Valentini, M., & Mandel, I. (2021). Age dissection of the Milky Way discs: Red giants in the Kepler field. Astronomy and Astrophysics, 645, Article A85. https://doi.org/10.1051/0004-6361/202038307

Ensemble studies of red-giant stars with exquisite asteroseismic (Kepler), spectroscopic (APOGEE), and astrometric (Gaia) constraints offer a novel opportunity to recast and address long-standing questions concerning the evolution of stars and of the... Read More about Age dissection of the Milky Way discs: Red giants in the Kepler field.

The RAdial Velocity Experiment (RAVE): Parameterisation of RAVE spectra based on convolutional neural networks (2020)
Journal Article
Guiglion, G., Matijevič, G., Queiroz, A. B., Valentini, M., Steinmetz, M., Chiappini, C., Grebel, E. K., McMillan, P. J., Kordopatis, G., Kunder, A., Zwitter, T., Khalatyan, A., Anders, F., Enke, H., Minchev, I., Monari, G., Wyse, R. F., Bienaymé, O., Bland-Hawthorn, J., Gibson, B. K., …Siebert, A. (2020). The RAdial Velocity Experiment (RAVE): Parameterisation of RAVE spectra based on convolutional neural networks. Astronomy and Astrophysics, 644, Article A168. https://doi.org/10.1051/0004-6361/202038271

© ESO 2020. Context Data-driven methods play an increasingly important role in the field of astrophysics In the context of large spectroscopic surveys of stars, data-driven methods are key in deducing physical parameters for millions of spectra in a... Read More about The RAdial Velocity Experiment (RAVE): Parameterisation of RAVE spectra based on convolutional neural networks.

Searching for Monomeric Nickel Tetrafluoride: Unravelling Infrared Matrix Isolation Spectra of Higher Nickel Fluorides (2020)
Journal Article
Li, L., Sakr, A. K., Schlöder, T., Klein, S., Beckers, H., Kitsaras, M., Snelling, H. V., Young, N. A., Andrae, D., & Riedel, S. (2021). Searching for Monomeric Nickel Tetrafluoride: Unravelling Infrared Matrix Isolation Spectra of Higher Nickel Fluorides. Angewandte Chemie, 60(12), 6391-6394. https://doi.org/10.1002/anie.202015501

Binary transition metal fluorides are textbook examples combining complex electronic features with most fundamental molecular structures. High‐valent nickel fluorides are among the strongest known fluorinating and oxidizing agents, but there is a lac... Read More about Searching for Monomeric Nickel Tetrafluoride: Unravelling Infrared Matrix Isolation Spectra of Higher Nickel Fluorides.

The Horizon Run 5 Cosmological Hydrodynamic Simulation: Probing Galaxy Formation from Kilo- to Giga-parsec Scales (2020)
Preprint / Working Paper
Lee, J., Shin, J., Snaith, O. N., Kim, Y., Few, C. G., Devriendt, J., Dubois, Y., Cox, L. M., Hong, S. E., Kwon, O.-K., Park, C., Pichon, C., Kim, J., Gibson, B. K., & Park, C. The Horizon Run 5 Cosmological Hydrodynamic Simulation: Probing Galaxy Formation from Kilo- to Giga-parsec Scales

Horizon Run 5 (HR5) is a cosmological hydrodynamical simulation which captures the properties of the Universe on a Gpc scale while achieving a resolution of 1kpc. Inside the simulation box we zoom-in on a high-resolution cuboid region with a volume o... Read More about The Horizon Run 5 Cosmological Hydrodynamic Simulation: Probing Galaxy Formation from Kilo- to Giga-parsec Scales.

Enabling planetary science across light-years. Ariel Definition Study Report (2020)
Report
Zuppella, P., Zingales, T., Yung, Y., Zilinskas, M., Wolkenberg, P., Hou Yip, G., Wawer, P., Widemann, T., Waltham, D., Del Vecchio, C., Vasisht, G., Vazan, A., Van der Swaelmen, M., Vardan, A., Carine Vandaele, A., Tsantaki, M., Valencia, D., Tsai, S.-M., Triaud, A., Trompet, L., …Tinetti, G. (2020). Enabling planetary science across light-years. Ariel Definition Study Report

Ariel, the Atmospheric Remote-sensing Infrared Exoplanet Large-survey, was adopted as the fourth medium-class mission in ESA's Cosmic Vision programme to be launched in 2029. During its 4-year mission, Ariel will study what exoplanets are made of, ho... Read More about Enabling planetary science across light-years. Ariel Definition Study Report.

Monte Carlo simulations of two-dimensional electron gasses in gallium nitride high electron mobility transistors via general-purpose computing on graphics processing units (2020)
Thesis
Smith, L. Monte Carlo simulations of two-dimensional electron gasses in gallium nitride high electron mobility transistors via general-purpose computing on graphics processing units. (Thesis). University of Hull. https://hull-repository.worktribe.com/output/4223241

The work in this thesis covers two main topics: successfully porting an Ensemble Monte Carlo (EMC) focused on bulk III-V semiconductors on to the graphics processing unit (GPU) and investigating carrier transport in a two-dimensional electron gas (2D... Read More about Monte Carlo simulations of two-dimensional electron gasses in gallium nitride high electron mobility transistors via general-purpose computing on graphics processing units.