All Outputs (540)

Star cluster catalogues for the LEGUS dwarf galaxies (2019)
Journal Article
Cook, D., Lee, J., Adamo, A., Kim, H., Chandar, R., Whitmore, B., …Wofford, A. (2019). Star cluster catalogues for the LEGUS dwarf galaxies. Monthly Notices of the Royal Astronomical Society, 484(4), 4897-4919. https://doi.org/10.1093/mnras/stz331

We present the star cluster catalogues for 17 dwarf and irregular galaxies in the HST Treasury Program ‘Legacy ExtraGalactic UV Survey’ (LEGUS). Cluster identification and photometry in this sub-sample are similar to that of the entire LEGUS sample,... Read More about Star cluster catalogues for the LEGUS dwarf galaxies.

Spin dynamics and field-induced magnetic phase transition in the honeycomb Kitaev magnet α−Li2IrO3 (2019)
Journal Article
Choi, S., Manni, S., Singleton, J., Topping, C., Lancaster, T., Blundell, S., …Coldea, R. (2019). Spin dynamics and field-induced magnetic phase transition in the honeycomb Kitaev magnet α−Li2IrO3. Physical Review B, 99(5), Article 054426. https://doi.org/10.1103/physrevb.99.054426

The layered honeycomb iridate α-Li2IrO3 displays an incommensurate magnetic structure with counterrotating moments on nearest-neighbor sites, proposed to be stabilized by strongly frustrated anisotropic Kitaev interactions between spin-orbit entangle... Read More about Spin dynamics and field-induced magnetic phase transition in the honeycomb Kitaev magnet α−Li2IrO3.

Nelson-Barr relaxion (2019)
Journal Article
Davidi, O., Gupta, R. S., Perez, G., Redigolo, D., & Shalit, A. (2019). Nelson-Barr relaxion. Physical Review D, 99(3), Article 035014. https://doi.org/10.1103/physrevd.99.035014

Cosmological relaxation models in which the relaxion is identified with the QCD axion, generically fail to account for the smallness of the strong C P phase. We present a simple alternative solution to this “relaxion C P problem” based on the Nelson-... Read More about Nelson-Barr relaxion.

Time Inference with MUSE in Extragalactic Rings (TIMER): properties of the survey and high-level data products (2019)
Journal Article
Gadotti, D. A., Sánchez-Blázquez, P., Falcón-Barroso, J., Husemann, B., Seidel, M. K., Pérez, I., …Querejeta, M. (2019). Time Inference with MUSE in Extragalactic Rings (TIMER): properties of the survey and high-level data products. Monthly Notices of the Royal Astronomical Society, 482(1), 506-529. https://doi.org/10.1093/mnras/sty2666

Inner bars also buckle. The MUSE TIMER view of the double-barred galaxy NGC 1291 (2019)
Journal Article
Méndez-Abreu, J., de Lorenzo-Cáceres, A., Gadotti, D., Fragkoudi, F., van de Ven, G., Falcón-Barroso, J., …Seidel, M. (2019). Inner bars also buckle. The MUSE TIMER view of the double-barred galaxy NGC 1291. Monthly Notices of the Royal Astronomical Society, 482(1), L118-L122. https://doi.org/10.1093/mnrasl/sly196

Consistency of Higgsplosion in localizable QFT (2019)
Journal Article
Khoze, V. V., & Spannowsky, M. (2019). Consistency of Higgsplosion in localizable QFT. Physics Letters B, 790, 466-474. https://doi.org/10.1016/j.physletb.2019.01.052

We show that large n-particle production rates derived in the semiclassical Higgsplosion limit of scalar field theoretical models with spontaneous symmetry breaking, are consistent with general principles of localizable quantum field theory. The stri... Read More about Consistency of Higgsplosion in localizable QFT.

Terahertz time-domain spectroscopy of zone-folded acoustic phonons in 4H and 6H silicon carbide (2019)
Journal Article
Tarekegne, A. T., Zhou, B., Kaltenecker, K., Iwaszczuk, K., Clark, S., & Jepsen, P. U. (2019). Terahertz time-domain spectroscopy of zone-folded acoustic phonons in 4H and 6H silicon carbide. Optics Express, 27(3), 3618-3628. https://doi.org/10.1364/oe.27.003618

We investigate the dielectric properties of the 4H and 6H polytypes of silicon carbide in the 0.1-19 THz range, below the fundamental transverse-optical phonons. Folding of the Brillouin zone due to the specific superlattice structure of the two poly... Read More about Terahertz time-domain spectroscopy of zone-folded acoustic phonons in 4H and 6H silicon carbide.

Could high H98-factor commercial tokamak power plants use Nb-Ti toroidal field coils? (2019)
Journal Article
Chislett-McDonald, S., Hampshire, D., & Surrey, E. (2019). Could high H98-factor commercial tokamak power plants use Nb-Ti toroidal field coils?. IEEE Transactions on Applied Superconductivity, 29(5), Article 4200405. https://doi.org/10.1109/tasc.2019.2896402

In large engineering applications, materials that can fail by brittle fracture are avoided if there are practical, ductile alternatives. In recent years, advances in the experimental control and shaping of fusion energy plasmas have produced confinem... Read More about Could high H98-factor commercial tokamak power plants use Nb-Ti toroidal field coils?.

An intuitive approach to structuring the three electric field components of light (2019)
Journal Article
Maucher, F., Skupin, S., Gardiner, S., & Hughes, I. (2019). An intuitive approach to structuring the three electric field components of light. New Journal of Physics, 21, Article 013032. https://doi.org/10.1088/1367-2630/aaf711

This paper presents intuitive interpretations of tightly focused beams of light by drawing analogies with two-dimensional electrostatics, magnetostatics and fluid dynamics. We use a Helmholtz decomposition of the transverse electric field components... Read More about An intuitive approach to structuring the three electric field components of light.

The PDS 110 observing campaign – photometric and spectroscopic observations reveal eclipses are aperiodic (2019)
Journal Article
Osborn, H., Kenworthy, M., Rodriguez, J., de Mooij, E., Kennedy, G., Relles, H., …Zhou, G. (2019). The PDS 110 observing campaign – photometric and spectroscopic observations reveal eclipses are aperiodic. Monthly Notices of the Royal Astronomical Society, 485(2), 1614-1625. https://doi.org/10.1093/mnras/stz283

PDS 110 is a young disc-hosting star in the Orion OB1A association. Two dimming events of similar depth and duration were seen in 2008 (WASP) and 2011 (KELT), consistent with an object in a closed periodic orbit. In this paper, we present data from a... Read More about The PDS 110 observing campaign – photometric and spectroscopic observations reveal eclipses are aperiodic.

The cosmic spectral energy distribution in the EAGLE simulation (2019)
Journal Article
Baes, M., Trčka, A., Camps, P., Nersesian, A., Trayford, J., Theuns, T., & Dobbels, W. (2019). The cosmic spectral energy distribution in the EAGLE simulation. Monthly Notices of the Royal Astronomical Society, 484(3), 4069-4082. https://doi.org/10.1093/mnras/stz302

The cosmic spectral energy distribution (CSED) is the total emissivity as a function of wavelength of galaxies in a given cosmic volume. We compare the observed CSED from the UV to the submm to that computed from the EAGLE (Evolution and Assembly of... Read More about The cosmic spectral energy distribution in the EAGLE simulation.

Photoelectron Spectroscopy of the Hexafluorobenzene Cluster Anions: (C₆F₆)_n⁻ (n = 1 – 5) and I⁻(C₆F₆) (2019)
Journal Article
Rogers, J. P., Anstöter, C. S., Bull, J. N., Curchod, B. F., & Verlet, J. R. (2019). Photoelectron Spectroscopy of the Hexafluorobenzene Cluster Anions: (C₆F₆)n− (n = 1 – 5) and I−(C₆F₆). The Journal of Physical Chemistry A, 123(8), 1602-1612. https://doi.org/10.1021/acs.jpca.8b11627

Frequency-resolved (2D) photoelectron (PE) spectra of the anionic clusters (C6F6)n–, for n = 1–5, and time-resolved PE spectra of I–C6F6 are presented using a newly built instrument and supported by electronic structure calculations. From the 2D PE s... Read More about Photoelectron Spectroscopy of the Hexafluorobenzene Cluster Anions: (C₆F₆)_n⁻ (n = 1 – 5) and I⁻(C₆F₆).

Kinetic Energy Transfer from X-Ray Ultrafast Outflows to Millimeter/Submillimeter Cold Molecular Outflows in Seyfert Galaxies (2019)
Journal Article
Mizumoto, M., Izumi, T., & Kohno, K. (2019). Kinetic Energy Transfer from X-Ray Ultrafast Outflows to Millimeter/Submillimeter Cold Molecular Outflows in Seyfert Galaxies. Astrophysical Journal, 871(2), Article 156. https://doi.org/10.3847/1538-4357/aaf814

UltraFast Outflows (UFOs), seen as X-ray blueshifted absorption lines in active galactic nuclei (AGNs), are considered to be a key mechanism for AGN feedback. In this scenario, UFO kinetic energy is transferred into the cold and extended molecular ou... Read More about Kinetic Energy Transfer from X-Ray Ultrafast Outflows to Millimeter/Submillimeter Cold Molecular Outflows in Seyfert Galaxies.

Axion-Like Particles at Future Colliders (2019)
Journal Article
Bauer, M., Heiles, M., Neubert, M., & Thamm, A. (2019). Axion-Like Particles at Future Colliders. The European Physical Journal C, 79, Article 74. https://doi.org/10.1140/epjc/s10052-019-6587-9

Axion-like particles (ALPs) are pseudo Nambu–Goldstone bosons of spontaneously broken global symmetries in high-energy extensions of the Standard Model (SM). This makes them a prime target for future experiments aiming to discover new physics which a... Read More about Axion-Like Particles at Future Colliders.

Angles on CP-violation in Higgs boson interactions (2019)
Journal Article
Bernlochner, F. U., Englert, C., Hays, C., Lohwasser, K., Mildner, H., Pilkington, A., …Spannowsky, M. (2019). Angles on CP-violation in Higgs boson interactions. Physics Letters B, 790, 372-379. https://doi.org/10.1016/j.physletb.2019.01.043

CP-violation in the Higgs sector remains a possible source of the baryon asymmetry of the universe. Recent differential measurements of signed angular distributions in Higgs boson production provide a general experimental probe of the CP structure of... Read More about Angles on CP-violation in Higgs boson interactions.

Prevalence of radio jets associated with galactic outflows and feedback from quasars (2019)
Journal Article
Jarvis, M., Harrison, C., Thomson, A., Circosta, C., Mainieri, V., Alexander, D., …Mullaney, J. (2019). Prevalence of radio jets associated with galactic outflows and feedback from quasars. Monthly Notices of the Royal Astronomical Society, 485(2), 2710-2730. https://doi.org/10.1093/mnras/stz556

We present 1–7 GHz high-resolution radio imaging (VLA and e-MERLIN) and spatially resolved ionized gas kinematics for 10 z < 0.2 type 2 ‘obscured’ quasars (log [LAGN/erg s−1] 45) with moderate radio luminosities (log[L1.4 GHz/W Hz−1] = 23.3–24.4). Th... Read More about Prevalence of radio jets associated with galactic outflows and feedback from quasars.

Modeling the Critical Current of Polycrystalline Superconducting Films in High Magnetic Fields (2019)
Journal Article
Blair, A., & Hampshire, D. (2019). Modeling the Critical Current of Polycrystalline Superconducting Films in High Magnetic Fields. IEEE Transactions on Applied Superconductivity, 29(5), Article 8001705. https://doi.org/10.1109/tasc.2019.2895213

We have performed simulations using time-dependent Ginzburg–Landau theory on a two-dimensional (2-D) polycrystalline system, where grain boundaries are modeled as narrow regions with a locally reduced critical temperature ( T c ). For the small syste... Read More about Modeling the Critical Current of Polycrystalline Superconducting Films in High Magnetic Fields.

The ISM Properties and Gas Kinematics of a Redshift 3 Massive Dusty Star-forming Galaxy (2019)
Journal Article
Leung, T. D., Riechers, D. A., Baker, A. J., Clements, D. L., Cooray, A., Hayward, C. C., …Wardlow, J. L. (2019). The ISM Properties and Gas Kinematics of a Redshift 3 Massive Dusty Star-forming Galaxy. Astrophysical Journal, 871(1), Article 85. https://doi.org/10.3847/1538-4357/aaf860

We present CO (J = 1 → 0; 3 → 2; 5 → 4; 10 → 9) and 1.2 kpc resolution [C ii] line observations of the dusty star-forming galaxy (SFG) HXMM05—carried out with the Karl G. Jansky Very Large Array, the Combined Array for Research in Millimeter-wave Ast... Read More about The ISM Properties and Gas Kinematics of a Redshift 3 Massive Dusty Star-forming Galaxy.

Precise predictions for tt¯γ/tt¯ cross section ratios at the LHC (2019)
Journal Article
Bevilacqua, G., Hartanto, H., Kraus, M., Weber, T., & Worek, M. (2019). Precise predictions for tt¯γ/tt¯ cross section ratios at the LHC. Journal of High Energy Physics, 2019(1), Article 188. https://doi.org/10.1007/jhep01%282019%29188

With the goal of increasing the precision of NLO QCD predictions for the pp→tt¯γ process in the di-lepton top quark decay channel we present theoretical predictions for the R=σtt¯γ/σtt¯ cross section ratio. Results for the latter together with variou... Read More about Precise predictions for tt¯γ/tt¯ cross section ratios at the LHC.

Analytic helicity amplitudes for two-loop five-gluon scattering: the single-minus case (2019)
Journal Article
Badger, S., Brønnum-Hansen, C., Hartanto, H. B., & Peraro, T. (2019). Analytic helicity amplitudes for two-loop five-gluon scattering: the single-minus case. Journal of High Energy Physics, 2019(1), Article 186. https://doi.org/10.1007/jhep01%282019%29186

We present a compact analytic expression for the leading colour two-loop five-gluon amplitude in Yang-Mills theory with a single negative helicity and four positive helicities. The analytic result is reconstructed from numerical evaluations over fini... Read More about Analytic helicity amplitudes for two-loop five-gluon scattering: the single-minus case.