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math.NA2021

Simulation of the Geometrically Exact Nonlinear String via Energy Quadratisation

Michele Ducceschi, Stefan Bilbao

String vibration represents an active field of research in acoustics. Small-amplitude vibration is often assumed, leading to simplified physical models that can be simulated effici…

nlin.PS2021★ 14 cited

Nematic dispersive shock waves from nonlocal to local

Saleh Baqer, Dimitrios J. Frantzeskakis, Theodoros Horikis +3

The structure of optical dispersive shock waves in nematic liquid crystals is investigated as the power of the optical beam is varied, with six regimes identified, which complement…

physics.ins-det2021★ 17 cited

Microchannel cooling for the LHCb VELO Upgrade I

Oscar Augusto De Aguiar Francisco, Wiktor Byczynski, Kazu Akiba +57

The LHCb VELO Upgrade I, currently being installed for the 2022 start of LHC Run 3, uses silicon microchannel coolers with internally circulating bi-phase \cotwo for thermal contro…

hep-th2021★ 46 cited

Scalar QED as a toy model for higher-order effects in classical gravitational scattering

Zvi Bern, Juan Pablo Gatica, Enrico Herrmann +2

Quantum Electrodynamics (QED) serves as a useful toy model for classical observables in gravitational two-body systems with reduced complexity due to the linearity of QED. We inves…

astro-ph.CO2021★ 1 cited

Constraining AGN feedback model with SZ profile

Hideki Tanimura, Gary Hinshaw, Ian G. McCarthy +7

Relativistic jets from AGN have a wide range of impacts on galaxy groups and clusters and are key for understanding their formation and physical properties. However, this non-gravi…

hep-th2021★ 205 cited

Scattering Amplitudes, the Tail Effect, and Conservative Binary Dynamics at

Zvi Bern, Julio Parra-Martinez, Radu Roiban +4

We complete the calculation of conservative two-body scattering dynamics at fourth post-Minkowskian order, i.e. and all orders in velocity, including radiative contributio…

hep-ph2021★ 15 cited

Azimuthal correlations of high transverse momentum jets at next-to-leading order in the parton branching method

M. I. Abdulhamid, M. A. Al-Mashad, A. Bermudez Martinez +26

The azimuthal correlation, , of high transverse momentum jets in pp collisions at TeV is studied by applying PB-TMD distributions to NLO calculations via MCa…

astro-ph.CO2021

The hydrostatic mass bias in The Three Hundred clusters

Giulia Gianfagna, Elena Rasia, Weiguang Cui +2

Hydrostatic equilibrium (HE) is often used in observations to estimate galaxy clusters masses. We use a set of almost 300 simulated clusters from The Three Hundred Project, to esti…

astro-ph.CO2021★ 32 cited

The DESI -body Simulation Project I: Testing the Robustness of Simulations for the DESI Dark Time Survey

Cameron Grove, Chia-Hsun Chuang, Ningombam Chandrachani Devi +19

Analysis of large galaxy surveys requires confidence in the robustness of numerical simulation methods. The simulations are used to construct mock galaxy catalogs to validate data…

astro-ph.CO2021★ 38 cited

The DES view of the Eridanus supervoid and the CMB Cold Spot

A. Kovács, N. Jeffrey, M. Gatti +119

The Cold Spot is a puzzling large-scale feature in the Cosmic Microwave Background temperature maps and its origin has been subject to active debate. As an important foreground str…

astro-ph.GA2021★ 13 cited

Stars in the Local Galactic Thick Disk and Halo in Gaia EDR3: A catalogue of Half a Million Local Main-sequence Stars with Photometric Metallicities

Bokyoung Kim, Sebastien Lépine

We present a catalogue of 551,214 main-sequence stars in the local ( kpc) Galactic thick disk and halo, based on a search of stars with large proper motions ($μ_{\mathrm{tot…

astro-ph.GA2021★ 47 cited

The Incidence of X-ray selected AGN in Nearby Galaxies

Keir L. Birchall, M. G. Watson, J. Aird +1

We present the identification and analysis of an unbiased sample of AGN that lie within the local galaxy population. Using the MPA-JHU catalogue (based on SDSS DR8) and 3XMM DR7 we…

astro-ph.EP2021★ 11 cited

The Gliese 86 Binary System: A Warm Jupiter Formed in a Disk Truncated at 2 AU

Yunlin Zeng, Timothy D. Brandt, Gongjie Li +12

Gliese 86 is a nearby K dwarf hosting a giant planet on a 16-day orbit and an outer white dwarf companion on a century-long orbit. In this study we combine radial…

physics.plasm-ph2021★ 9 cited

Effects of forcing mechanisms on the multiscale properties of magnetohydrodynamics

Yan Yang, Moritz Linkmann, Luca Biferale +1

We performed numerical simulations to study the response of magnetohydrodynamics (MHD) to large-scale stochastic forcing mechanisms parametrized by one parameter, , g…

astro-ph.GA2021★ 9 cited

Identifying RR Lyrae in the ZTF DR3 dataset

Kuan-Wei Huang, Sergey E. Koposov

We present a RR Lyrae (RRL) catalogue based on the combination of the third data release of the Zwicky Transient Facility (ZTF DR3) and \textit{Gaia} EDR3. We use a multi-step clas…

astro-ph.SR2021★ 14 cited

Dynamical masses for two M1 + mid-M dwarf binaries monitored during the SPHERE-SHINE survey

Beth A. Biller, Antoine Grandjean, Sergio Messina +25

We present orbital fits and dynamical masses for HIP 113201AB and HIP 36985AB, two M1 + mid-M dwarf binary systems monitored as part of the SPHERE SHINE survey. To robustly determi…

physics.optics2021★ 8 cited

Ultrafast multi-photon excitation of ScVO:Bi for luminescence thermometry

David Escofet-Martin, Anthony O. Ojo, Brian Peterson

We demonstrate a multi-photon excitation (MPE) scheme for luminescence thermometry using ScVO:Bi. MPE is performed using a 37 fs Ti:Sapphire laser pulse centred at 800 n…

astro-ph.EP2021★ 52 cited

A wide-orbit giant planet in the high-mass b Centauri binary system

Markus Janson, Raffaele Gratton, Laetitia Rodet +24

Planet formation occurs around a wide range of stellar masses and stellar system architectures. An improved understanding of the formation process can be achieved by studying it ac…

astro-ph.CO2021★ 24 cited

The Three Hundred: Cluster Dynamical States and Relaxation Time Scale

Bowei Zhang, Weiguang Cui, Romeel Dave +1

Using the galaxy clusters from The Three Hundred Project, we define a new parameter: to describe the dynamical state of clusters, which assumes a double-Gaussian distribut…

astro-ph.CO2021★ 9 cited

Mass Estimation of Planck Galaxy Clusters using Deep Learning

Daniel de Andres, Weiguang Cui, Florian Ruppin +6

Clusters of galaxies mass can be inferred by indirect observations, see X-ray band, Sunyaev-Zeldovich (SZ) effect signal or optical. Unfortunately, all of them are affected by some…

cs.DC2021

Simplifying heterogeneous migration between x86 and ARM machines

Nikolaos Mavrogeorgis

Heterogeneous computing is the strategy of deploying multiple types of processing elements within a single workflow, and allowing each to perform the tasks to which is best suited.…

hep-ex2021★ 2 cited

Observation of the and decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +988

The first observations of and decays are presented, and their branching…

hep-ph2021★ 26 cited

Dilaton and Massive Hadrons in a Conformal Phase

Luigi Del Debbio, Roman Zwicky

As the number of fermion fields is increased, gauge theories are expected to undergo a transition from a QCD-like phase, characterised by confinement and chiral symmetry breaking,…

hep-ph2021★ 40 cited

Disentangling the Regge cut and Regge pole in perturbative QCD

Giulio Falcioni, Einan Gardi, Niamh Maher +2

The high-energy limit of gauge-theory amplitudes features both a Regge pole and Regge cuts. We show how to disentangle these, and hence how to determine the Regge trajectory beyond…