All Outputs (12262)

Active galactic nucleus X-ray luminosity function and absorption function in the Early Universe (3 ≤ z ≤ 6) (2024)
Journal Article
Pouliasis, E., Ruiz, A., Georgantopoulos, I., Vito, F., Gilli, R., Vignali, C., …Garrel, C. (2024). Active galactic nucleus X-ray luminosity function and absorption function in the Early Universe (3 ≤ z ≤ 6). Astronomy & Astrophysics, 685, Article A97. https://doi.org/10.1051/0004-6361/202348479

The X-ray luminosity function (XLF) of active galactic nuclei (AGN) offers a robust tool to study the evolution and the growth of the supermassive black-hole population over cosmic time. Owing to the limited area probed by X-ray surveys, optical surv... Read More about Active galactic nucleus X-ray luminosity function and absorption function in the Early Universe (3 ≤ z ≤ 6).

Dark matter annihilation and pair-instability supernovae (2024)
Journal Article
Croon, D., & Sakstein, J. (2024). Dark matter annihilation and pair-instability supernovae. Physical Review D, 109(10), Article 103021. https://doi.org/10.1103/physrevd.109.103021

The population of young low-mass stars in Trumpler 14 (2024)
Journal Article
Itrich, D., Testi, L., Beccari, G., Manara, C. F., Reiter, M., Preibisch, T., …Hennebelle, P. (2024). The population of young low-mass stars in Trumpler 14. Astronomy & Astrophysics, 685, Article A100. https://doi.org/10.1051/0004-6361/202347380

Massive star-forming regions are thought to be the most common birth environments in the Galaxy and the only birth places of very massive stars. Their presence in the stellar cluster alters the conditions within the cluster, impacting at the same tim... Read More about The population of young low-mass stars in Trumpler 14.

The High-Energy X-ray Probe (HEX-P): the circum-nuclear environment of growing supermassive black holes (2024)
Journal Article
Boorman, P. G., Torres-Albà, N., Annuar, A., Marchesi, S., Pfeifle, R. W., Stern, D., …The HEX-P Collaboration. (2024). The High-Energy X-ray Probe (HEX-P): the circum-nuclear environment of growing supermassive black holes. Frontiers in Astronomy and Space Sciences, 11, Article 1335459. https://doi.org/10.3389/fspas.2024.1335459

Ever since the discovery of the first active galactic nuclei (AGN), substantial observational and theoretical effort has been invested into understanding how massive black holes have evolved across cosmic time. Circum-nuclear obscuration is now estab... Read More about The High-Energy X-ray Probe (HEX-P): the circum-nuclear environment of growing supermassive black holes.

Euclid: Early Release Observations -- Unveiling the morphology of two Milky Way globular clusters out to their periphery (2024)
Journal Article
Massari, D., Dalessandro, E., Erkal, D., Balbinot, E., Bovy, J., McDonald, I., Ferguson, A., Larsen, S., Lancon, A., Annibali, F., Goldman, B., Kuzma, P., Voggel, K., Saifollahi, T., Cuillandre, J.-C., Schirmer, M., Kluge, M., Altieri, B., Amara, A., Andreon, S., …Scott, D. (in press). Euclid: Early Release Observations -- Unveiling the morphology of two Milky Way globular clusters out to their periphery. Astronomy & Astrophysics, https://doi.org/10.1051/0004-6361/202449696

Enhanced Quantum Control of Individual Ultracold Molecules Using Optical Tweezer Arrays (2024)
Journal Article
Ruttley, D. K., Guttridge, A., Hepworth, T. R., & Cornish, S. L. (2024). Enhanced Quantum Control of Individual Ultracold Molecules Using Optical Tweezer Arrays. PRX Quantum, 5(2), Article 020333. https://doi.org/10.1103/prxquantum.5.020333

Control over the quantum states of individual molecules is crucial in the quest to harness their rich internal structure and dipolar interactions for applications in quantum science. In this paper, we develop a toolbox of techniques for the control a... Read More about Enhanced Quantum Control of Individual Ultracold Molecules Using Optical Tweezer Arrays.

Insights into the Galactic Bulge Chemodynamical Properties from Gaia Data Release 3 (2024)
Journal Article
Liao, X., Li, Z., Simion, I., Shen, J., Grand, R., Fragkoudi, F., & Marinacci, F. (2024). Insights into the Galactic Bulge Chemodynamical Properties from Gaia Data Release 3. Astrophysical Journal, 967(5), Article 1. https://doi.org/10.3847/1538-4357/ad38ba

We explore the chemodynamical properties of the Galaxy in the azimuthal velocity V ϕ and metallicity [Fe/H] space using red giant stars from Gaia Data Release 3. The row-normalized V ϕ –[Fe/H] maps form a coherent sequence from the bulge to the outer... Read More about Insights into the Galactic Bulge Chemodynamical Properties from Gaia Data Release 3.

Reduced stress propagation leads to increased mechanical failure resistance in auxetic materials (2024)
Journal Article
Fielding, S. M. (2024). Reduced stress propagation leads to increased mechanical failure resistance in auxetic materials. Proceedings of the National Academy of Sciences, 121(21), Article e2312899121. https://doi.org/10.1073/pnas.2312899121

Materials with a negative Poisson ratio have the counterintuitive property of expanding laterally when they are stretched longitudinally. They are accordingly termed auxetic, from the Greek auxesis meaning to increase. Experimental studies have demon... Read More about Reduced stress propagation leads to increased mechanical failure resistance in auxetic materials.

Did the Gaia Enceladus/Sausage merger form the Milky Way’s bar? (2024)
Journal Article
Merrow, A., Grand, R. J. J., Fragkoudi, F., & Martig, M. (2024). Did the Gaia Enceladus/Sausage merger form the Milky Way’s bar?. Monthly Notices of the Royal Astronomical Society, 531(1), 1520-1533. https://doi.org/10.1093/mnras/stae1250

Effectiveness of hypothermia prevention devices for preterm infants: A laboratory study (2024)
Journal Article
Loganathan, P. K., Dorkins, C., Marlow, G., Zahra, J., Tulsianey, M. A., Rowles, T. J., & Chadwick, P. (2024). Effectiveness of hypothermia prevention devices for preterm infants: A laboratory study. Technology and Health Care, 32(3), 1909-1914. https://doi.org/10.3233/thc-231001

Background:
Newborn hypothermia at birth remains as global challenge across all settings. The prevention of delivery room hypothermia at birth could potentially reduce neonatal morbidity and mortality.
Objective:
To compare the heat conservation e... Read More about Effectiveness of hypothermia prevention devices for preterm infants: A laboratory study.

Analysis of the ψ ( 3770 ) resonance in line with unitarity and analyticity constraints (2024)
Journal Article
Hanhart, C., Kürten, S., Reboud, M., & van Dyk, D. (2024). Analysis of the ψ ( 3770 ) resonance in line with unitarity and analyticity constraints. The European Physical Journal C, 84(5), Article 483. https://doi.org/10.1140/epjc/s10052-024-12785-8

We study the inclusive and exclusive cross sections of e+e-→hadrons for center-of-mass energies between 3.70 and 3.83GeV to infer the mass, width, and couplings of the ψ(3770) resonance. By using a coupled-channel K-matrix approach, we setup our anal... Read More about Analysis of the ψ ( 3770 ) resonance in line with unitarity and analyticity constraints.

The Interplay of Electronic Configuration and Anion Ordering on the Magnetic Behavior of Hydroxyfluoride Diaspores (2024)
Journal Article
Crawford, C., Hiley, C., Scott, C., Ritter, C., Lees, M., Bristowe, N., …Senn, M. (2024). The Interplay of Electronic Configuration and Anion Ordering on the Magnetic Behavior of Hydroxyfluoride Diaspores. Inorganic Chemistry, 63(20), 9184-9194. https://doi.org/10.1021/acs.inorgchem.4c00679

We report a new nickel hydroxyfluoride diaspore Ni(OH)F prepared using hydrothermal synthesis from NiCl ·6H O and NaF. Magnetic characterization reveals that, contrary to other reported transition-metal hydroxyfluoride diaspores, Ni(OH)F displays wea... Read More about The Interplay of Electronic Configuration and Anion Ordering on the Magnetic Behavior of Hydroxyfluoride Diaspores.

Orbital analysis of stars in the nuclear stellar disc of the Milky Way (2024)
Journal Article
Nieuwmunster, N., Schultheis, M., Sormani, M., Fragkoudi, F., Nogueras-Lara, F., Schödel, R., …Sanders, J. L. (2024). Orbital analysis of stars in the nuclear stellar disc of the Milky Way. Astronomy & Astrophysics, 685, Article A93. https://doi.org/10.1051/0004-6361/202349000

Context. While orbital analysis studies were so far mainly focused on the Galactic halo, it is possible now to do these studies in the heavily obscured region close to the Galactic Centre.

Aims. We aim to do a detailed orbital analysis of stars lo... Read More about Orbital analysis of stars in the nuclear stellar disc of the Milky Way.

Cosmic evolution of radio-excess active galactic nuclei in quiescent and star-forming galaxies across 0 < z < 4 (2024)
Journal Article
Wang, Y., Wang, T., Liu, D., Sargent, M. T., Gao, F., Alexander, D. M., …Jin, S. (2024). Cosmic evolution of radio-excess active galactic nuclei in quiescent and star-forming galaxies across 0 < z < 4. Astronomy & Astrophysics, 685, Article A79. https://doi.org/10.1051/0004-6361/202347787

Context. Radio-excess active galactic nuclei (radio-AGNs) are essential to our understanding of both the physics of black hole (BH) accretion and the interaction between BHs and host galaxies. Recent deep and wide radio continuum surveys have made it... Read More about Cosmic evolution of radio-excess active galactic nuclei in quiescent and star-forming galaxies across 0 < z < 4.

Structural origins of dielectric anomalies in the filled tetragonal tungsten bronze Sr 2 NaNb 5 O 15 (2024)
Journal Article
Tidey, J., Dey, U., Sanchez, A., Chen, W., Chen, B., Chuang, Y., …Senn, M. (2024). Structural origins of dielectric anomalies in the filled tetragonal tungsten bronze Sr 2 NaNb 5 O 15. Communications Materials, 5(1), Article 71. https://doi.org/10.1038/s43246-024-00508-1

The tetragonal tungsten bronze, Sr2NaNb5O15, shows promise for application in high-temperature high-efficiency capacitors vital for the sustainable energy revolution. Previously, the structural complexity of this and related materials has obscured th... Read More about Structural origins of dielectric anomalies in the filled tetragonal tungsten bronze Sr 2 NaNb 5 O 15.

Observational constraints on the stellar recycled gas in active galactic nuclei feeding (2024)
Journal Article
Riffel, R., Dahmer-Hahn, L. G., Vazdekis, A., Davies, R., Rosario, D., Almeida, C. R., …Veilleux, S. (2024). Observational constraints on the stellar recycled gas in active galactic nuclei feeding. Monthly Notices of the Royal Astronomical Society, 531(1), 554-574. https://doi.org/10.1093/mnras/stae1192

Near-infrared long-slit spectroscopy has been used to study the stellar population (SP) of the low luminosity active galactic nuclei (AGNs) and matched analogues (LLAMA) sample. To perform the SP fits we have employed the X-shooter simple stellar pop... Read More about Observational constraints on the stellar recycled gas in active galactic nuclei feeding.

Optical spectroscopic and photometric classification of the X-ray transient EP240309a (EP J115415.8−501810) as an intermediate polar (2024)
Journal Article
Potter, S. B., Buckley, D. A. H., Scaringi, S., Monageng, I. M., Egbo, O. D., Charles, P. A., …Hlakola, M. (2024). Optical spectroscopic and photometric classification of the X-ray transient EP240309a (EP J115415.8−501810) as an intermediate polar. Monthly Notices of the Royal Astronomical Society: Letters, 532(1), L21-L26. https://doi.org/10.1093/mnrasl/slae038

We report on optical follow-up observations of an X-ray source initially detected by the Einstein Probe mission. Our investigations categorize the source as an intermediate polar, a class of magnetic cataclysmic variables, exhibiting an orbital perio... Read More about Optical spectroscopic and photometric classification of the X-ray transient EP240309a (EP J115415.8−501810) as an intermediate polar.

The LOFAR Two-metre Sky Survey: The nature of the faint source population and SFR–radio luminosity relation using prospector (2024)
Journal Article
Das, S., Smith, D. J. B., Haskell, P., Hardcastle, M. J., Best, P. N., Duncan, K. J., …Prandoni, I. (2024). The LOFAR Two-metre Sky Survey: The nature of the faint source population and SFR–radio luminosity relation using prospector. Monthly Notices of the Royal Astronomical Society, 531(1), 977-996. https://doi.org/10.1093/mnras/stae1204

Relations between integrated correlators in N = 4 supersymmetric Yang-Mills theory (2024)
Journal Article
Alday, L. F., Chester, S. M., Dorigoni, D., Green, M. B., & Wen, C. (2024). Relations between integrated correlators in N = 4 supersymmetric Yang-Mills theory. Journal of High Energy Physics, 2024(5), Article 44. https://doi.org/10.1007/jhep05%282024%29044

Integrated correlation functions in N = 4 supersymmetric Yang-Mills theory with gauge group SU(N) can be expressed in terms of the localised S4 partition function, ZN, deformed by a mass m. Two such cases are CN=Imτ2∂τ∂τ¯∂m2logZNm=0 and HN=∂m4logZNm=... Read More about Relations between integrated correlators in N = 4 supersymmetric Yang-Mills theory.

Pre-supernova stellar feedback in nearby starburst dwarf galaxies (2024)
Journal Article
McLeod, A. F., Fattahi, A., Belfiore, F., Rowland, L. E., Cresci, G., Hunt, L., …Venturi, G. (2024). Pre-supernova stellar feedback in nearby starburst dwarf galaxies. Astronomy & Astrophysics, 685, Article A46. https://doi.org/10.1051/0004-6361/202348029

Context. Stellar feedback in dwarf galaxies remains, to date, poorly explored, yet is crucial to understanding galaxy evolution in the early Universe. In particular, pre-supernova feedback has recently been found to play a significant role in regulat... Read More about Pre-supernova stellar feedback in nearby starburst dwarf galaxies.