All Outputs (433)

NNLO interpolation grids for jet production at the LHC (2022)
Journal Article
Britzger, D., Gehrmann-De Ridder, A., Gehrmann, T., Glover, E., Gwenlan, C., Huss, A., …Stark, J. (2022). NNLO interpolation grids for jet production at the LHC. The European Physical Journal C, 82(10), Article 930. https://doi.org/10.1140/epjc/s10052-022-10880-2

Fast interpolation-grid frameworks facilitate an efficient and flexible evaluation of higher-order predictions for any choice of parton distribution functions or value of the strong coupling αs. They constitute an essential tool for the extraction of... Read More about NNLO interpolation grids for jet production at the LHC.

Preparation of 87Rb and 133Cs in the motional ground state of a single optical tweezer (2022)
Journal Article
Spence, S., Brooks, R., Ruttley, D., Guttridge, A., & Cornish, S. (2022). Preparation of 87Rb and 133Cs in the motional ground state of a single optical tweezer. New Journal of Physics, 24, https://doi.org/10.1088/1367-2630/ac95b9

We report simultaneous Raman sideband cooling of a single 87Rb atom and a single 133Cs atom held in separate optical tweezers at 814 nm and 938 nm, respectively. Starting from outside the Lamb-Dicke regime, after 45 ms of cooling we measure probabili... Read More about Preparation of 87Rb and 133Cs in the motional ground state of a single optical tweezer.

Consistent Theory of Kinetic Mixing and the Higgs Low-Energy Theorem (2022)
Journal Article
Bauer, M., & Foldenauer, P. (2022). Consistent Theory of Kinetic Mixing and the Higgs Low-Energy Theorem. Physical Review Letters, 129(17), Article 171801. https://doi.org/10.1103/physrevlett.129.171801

Extensions of the standard model of particle physics with new Abelian gauge groups allow for kinetic mixing between the new gauge bosons and the hypercharge gauge boson, resulting in mixing with the photon. In many models, the mixing with the hyperch... Read More about Consistent Theory of Kinetic Mixing and the Higgs Low-Energy Theorem.

Yielding, shear banding, and brittle failure of amorphous materials (2022)
Journal Article
Pollard, J., & Fielding, S. M. (2022). Yielding, shear banding, and brittle failure of amorphous materials. Physical Review Research, 4(4), Article 043037. https://doi.org/10.1103/physrevresearch.4.043037

Widespread processes in nature and technology are governed by the dynamical transition whereby a material in an initially solid-like state, whether soft or hard, then yields. Major unresolved questions concern whether any material will yield smoothly... Read More about Yielding, shear banding, and brittle failure of amorphous materials.

Automation of antenna subtraction in colour space: gluonic processes (2022)
Journal Article
Chen, X., Gehrmann, T., Glover, E., Huss, A., & Marcoli, M. (2022). Automation of antenna subtraction in colour space: gluonic processes. Journal of High Energy Physics, 2022(10), Article 99. https://doi.org/10.1007/jhep10%282022%29099

We present the colourful antenna subtraction method, a reformulation of the antenna subtraction scheme for next-to-next-to-leading order (NNLO) calculations in QCD. The aim of this new approach is to achieve a general and process-independent construc... Read More about Automation of antenna subtraction in colour space: gluonic processes.

Nonunitarity of the lepton mixing matrix at the European Spallation Source (2022)
Journal Article
Chatterjee, S. S., Miranda, O., Tórtola, M., & Valle, J. (2022). Nonunitarity of the lepton mixing matrix at the European Spallation Source. Physical Review D, 106(7), https://doi.org/10.1103/physrevd.106.075016

If neutrinos get mass through the exchange of lepton mediators, as in seesaw schemes, the neutrino appearance probabilities in oscillation experiments are modified due to effective nonunitarity of the lepton mixing matrix. This also leads to new CP p... Read More about Nonunitarity of the lepton mixing matrix at the European Spallation Source.

Background subtraction in electron Compton spectroscopy (2022)
Journal Article
Mendis, B. (2022). Background subtraction in electron Compton spectroscopy. Micron, 163, Article 103363. https://doi.org/10.1016/j.micron.2022.103363

Compton scattering in electron energy loss spectroscopy (EELS) is used to quantify the momentum distribution of occupied electronic states in a solid. The Compton signal is a broad feature with a width of several hundred eV. Furthermore, the weak int... Read More about Background subtraction in electron Compton spectroscopy.

Quantum optimization of complex systems with a quantum annealer (2022)
Journal Article
Abel, S., Blance, A., & Spannowsky, M. (2022). Quantum optimization of complex systems with a quantum annealer. Physical Review A, 106(4), https://doi.org/10.1103/physreva.106.042607

We perform an in-depth comparison of quantum annealing with several classical optimization techniques, namely, thermal annealing, Nelder-Mead, and gradient descent. The focus of our study is large quasicontinuous potentials that must be encoded using... Read More about Quantum optimization of complex systems with a quantum annealer.

Few-Layer Graphene As an Electrode, Electrode Additive and an Interfacial Layer in Aqueous Supercapacitors (2022)
Presentation / Conference Contribution
Williams, R., Sukumaran, S., Abbas, Q., & Hunt, M. (2022). Few-Layer Graphene As an Electrode, Electrode Additive and an Interfacial Layer in Aqueous Supercapacitors. . https://doi.org/10.1149/ma2022-028660mtgabs

Signatures of extended discs and outflows in the circumgalactic medium using the Q0107 quasar triplet (2022)
Journal Article
Beckett, A., Morris, S. L., Fumagalli, M., Tejos, N., Jannuzi, B., & Cantalupo, S. (2022). Signatures of extended discs and outflows in the circumgalactic medium using the Q0107 quasar triplet. Monthly Notices of the Royal Astronomical Society, 517(1), 1020-1047. https://doi.org/10.1093/mnras/stac2630

We use H I absorption along the lines-of-sight to the Q0107 quasar triplet in order to model potential disc and outflow structures in the circumgalactic medium of intervening galaxies at z ≲ 1, as well as the intergalactic medium on scales of up to a... Read More about Signatures of extended discs and outflows in the circumgalactic medium using the Q0107 quasar triplet.

Reference optical turbulence and wind profiles for single conjugate and extreme adaptive optics (2022)
Journal Article
Farley, O. (2022). Reference optical turbulence and wind profiles for single conjugate and extreme adaptive optics. Monthly Notices of the Royal Astronomical Society, 517(2), 2966-2971. https://doi.org/10.1093/mnras/stac2880

We present a simple method of extracting a small number of reference optical turbulence and wind profiles from a large data set for single conjugate and extreme adaptive optics (AO) simulations. These reference profiles can be used in slow end-to-end... Read More about Reference optical turbulence and wind profiles for single conjugate and extreme adaptive optics.

Antenna subtraction for jet production observables in full colour at NNLO (2022)
Journal Article
Chen, X., Gehrmann, T., Glover, E., & Mo, J. (2022). Antenna subtraction for jet production observables in full colour at NNLO. Journal of High Energy Physics, 2022(10), Article 40. https://doi.org/10.1007/jhep10%282022%29040

We describe the details of the calculation of the full colour NNLO QCD corrections to jet production observables at the LHC with antenna subtraction. All relevant matrix elements for the process pp → jj at NNLO in full colour are colour-decomposed an... Read More about Antenna subtraction for jet production observables in full colour at NNLO.

Constraints on dark matter self-interaction from the internal density profiles of X-COP galaxy clusters (2022)
Journal Article
Eckert, D., Ettori, S., Robertson, A., Massey, R., Pointecouteau, E., Harvey, D., & McCarthy, I. (2022). Constraints on dark matter self-interaction from the internal density profiles of X-COP galaxy clusters. Astronomy & Astrophysics, 666, Article A41. https://doi.org/10.1051/0004-6361/202243205

The fundamental properties of the postulated dark matter (DM) affect the internal structure of gravitationally bound structures. In the cold dark matter paradigm, DM particles interact only via gravity. Their distribution is well represented by an Ei... Read More about Constraints on dark matter self-interaction from the internal density profiles of X-COP galaxy clusters.

A panchromatic view of infrared quasars: excess star formation and radio emission in the most heavily obscured systems (2022)
Journal Article
Andonie, C., Alexander, D. M., Rosario, D., Laloux, B., Georgakakis, A., Morabito, L. K., …Shankar, F. (2022). A panchromatic view of infrared quasars: excess star formation and radio emission in the most heavily obscured systems. Monthly Notices of the Royal Astronomical Society, 517(2), 2577-2598. https://doi.org/10.1093/mnras/stac2800

To understand the active galactic nuclei (AGNs) phenomenon and their impact on the evolution of galaxies, a complete AGN census is required; however, finding heavily obscured AGNs is observationally challenging. Here we use the deep and extensive mul... Read More about A panchromatic view of infrared quasars: excess star formation and radio emission in the most heavily obscured systems.

Stellar feedback in M 83 as observed with MUSE II. Analysis of the H II region population: Ionisation budget and pre-SN feedback (2022)
Journal Article
Della Bruna, L., Adamo, A., McLeod, A. F., Smith, L. J., Savard, G., Robert, C., …Usher, C. (2022). Stellar feedback in M 83 as observed with MUSE II. Analysis of the H II region population: Ionisation budget and pre-SN feedback. Astronomy & Astrophysics, 666, Article A29. https://doi.org/10.1051/0004-6361/202243395

Context. Energy and momentum injected by young, massive stars into the surrounding gas play an important role in regulating further star formation and in determining the galaxy’s global properties. Before supernovae begin to explode, stellar feedback... Read More about Stellar feedback in M 83 as observed with MUSE II. Analysis of the H II region population: Ionisation budget and pre-SN feedback.

A high angular resolution view of the PAH emission in Seyfert galaxies using JWST/MRS data (2022)
Journal Article
García-Bernete, I., Rigopoulou, D., Alonso-Herrero, A., Donnan, F., Roche, P., Pereira-Santaella, M., …Packham, C. (2022). A high angular resolution view of the PAH emission in Seyfert galaxies using JWST/MRS data. Astronomy & Astrophysics, 666, Article L5. https://doi.org/10.1051/0004-6361/202244806

Polycyclic aromatic hydrocarbons (PAHs) are carbon-based molecules that are ubiquitous in a variety of astrophysical objects and environments. In this work we use JWST/MIRI MRS spectroscopy of three Seyferts to compare their nuclear PAH emission with... Read More about A high angular resolution view of the PAH emission in Seyfert galaxies using JWST/MRS data.

The European Solar Telescope (2022)
Journal Article
Quintero Noda, C., Schlichenmaier, R., Bellot Rubio, L., Löfdahl, M., Khomenko, E., Jurcak, J., …Team, T. E. (2022). The European Solar Telescope. Astronomy & Astrophysics, 666, Article A21. https://doi.org/10.1051/0004-6361/202243867

The European Solar Telescope (EST) is a project aimed at studying the magnetic connectivity of the solar atmosphere, from the deep photosphere to the upper chromosphere. Its design combines the knowledge and expertise gathered by the European solar p... Read More about The European Solar Telescope.

New Higgs decays to axion-like particles (2022)
Journal Article
Biekötter, A., Chala, M., & Spannowsky, M. (2022). New Higgs decays to axion-like particles. Physics Letters B, 834, Article 137465. https://doi.org/10.1016/j.physletb.2022.137465

We investigate the interactions of a light scalar with the Higgs boson and second-generation fermions, which trigger new rare decays of the Higgs boson into 4μ, 2μ2γ , 6μ and 4μ2 j. We recast current LHC searches to constrain these decays and develop... Read More about New Higgs decays to axion-like particles.

Searches for long-lived particles at the future FCC-ee (2022)
Journal Article
Verhaaren, C., Alimena, J., Bauer, M., Azzi, P., Ruiz, R., Neubert, M., …Rygaard, L. (2022). Searches for long-lived particles at the future FCC-ee. Frontiers in Physics, 10, 1-25. https://doi.org/10.3389/fphy.2022.967881

The electron-positron stage of the Future Circular Collider, FCC-ee, is a frontier factory for Higgs, top, electroweak, and flavour physics. It is designed to operate in a 100 km circular tunnel built at CERN, and will serve as the first step towards... Read More about Searches for long-lived particles at the future FCC-ee.

Coupling between tilts and charge carriers at polar-nonpolar perovskite interfaces (2022)
Journal Article
Bennett, D., Aguado-Puente, P., Artacho, E., & Bristowe, N. C. (2022). Coupling between tilts and charge carriers at polar-nonpolar perovskite interfaces. Physical Review B, 106, Article 094106. https://doi.org/10.1103/PhysRevB.106.094106

The phenomenological theory for the polar instability giving rise to a two-dimensional electron gas at perovskite interfaces is hereby extended to include the coupling to perovskite tilts. A Landau theory for homogeneous tilts is first explored, sett... Read More about Coupling between tilts and charge carriers at polar-nonpolar perovskite interfaces.