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This study systematically explores the parameter space of disruption mitigation through shattered pellet injection in ITER with a focus on runaway electron dynamics, using the disruption modelling tool DREAM. The physics fidelity is…

Small polycyclic aromatic hydrocarbons and somewhat larger cyano derivatives were detected in the cold dark cloud TMC-1 recently. Their formation from smaller hydrocarbons is not well understood, in part because abundances of many species…

Astrophysics of Galaxies · Physics 2026-02-02 Holger S. P. Müller , Frank Lewen , Jean-Claude Guillemin , Stephan Schlemmer

Nonlinear optics is an increasingly important field for scientific and technological applications, owing to its relevance and potential for optical and optoelectronic technologies. Currently, there is an active search for suitable nonlinear…

Metagenomics, the study of genome sequences of diverse organisms cohabiting in a shared environment, has experienced significant advancements across various medical and biological fields. Metagenomic analysis is crucial, for instance, in…

We investigate the formation of methane line at 2.3 ${\rm \mu m}$ in Brown Dwarf Gliese 229B. Two sets of model parameters with (a) $T_{\rm eff}=940 $K and $\log (g) =5.0$, (b) $T_{\rm eff}=1030 $K and $ \log(g)=5.5$ are adopted both of…

Astrophysics · Physics 2007-05-23 Sujan Sengupta , Vinod Krishan

Lines from HC3N and isotopic substituted species in ground and vibrationally excited states produce crowded millimeter and submillimeter wave spectra in the C-rich protoplanetary nebula CRL618. The complete sequence of HC3N rotational lines…

Astrophysics · Physics 2009-11-10 J. R. Pardo , J. Cernicharo , J. R. Goicoechea , T. G. Phillips

A computed line list for formaldehyde, H$_2{}^{12}$C$^{16}$O, applicable to temperatures up to $T=1500$~K is presented. An empirical potential energy and {\it ab initio} dipole moment surfaces are used as the input to nuclear motion program…

Astrophysics of Galaxies · Physics 2015-06-02 Ahmed F. Al-Refaie , Andrey Yachmenev , Jonathan Tennyson , Sergei N. Yurchenko

In large-scale distributed file systems, efficient meta- data operations are critical since most file operations have to interact with metadata servers first. In existing distributed hash table (DHT) based metadata management systems, the…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-11-11 Peng Sun , Yonggang Wen , Ta Nguyen Binh Duong , Haiyong Xie

Context: Traditional one-dimensional (1D) hydrostatic model atmospheres introduce systematic modelling errors into spectroscopic analyses of FGK-type stars. Aims: We present an updated version of the STAGGER-grid of 3D model atmospheres,…

The strong radiative forcing by atmospheric methane has stimulated interest in identifying natural and anthropogenic sources of this potent greenhouse gas. Point sources are important targets for quantification, and anthropogenic targets…

Image and Video Processing · Electrical Eng. & Systems 2020-04-16 Markus D. Foote , Philip E. Dennison , Andrew K. Thorpe , David R. Thompson , Siraput Jongaramrungruang , Christian Frankenberg , Sarang C. Joshi

Privacy restrictions hinder the sharing of real-world Water Distribution Network (WDN) models, limiting the application of emerging data-driven machine learning, which typically requires extensive observations. To address this challenge, we…

Machine Learning · Computer Science 2025-03-25 Huy Truong , Andrés Tello , Alexander Lazovik , Victoria Degeler

Commercial treatment planning systems for electron FLASH radiotherapy are unavailable, and the dosimetric precision required for ultra-high dose rate delivery makes Monte Carlo (MC) simulation the gold standard approach. This work…

Observations of helium and hydrogen emission lines from metal-poor extragalactic H II regions provide an independent method for determining the primordial helium abundance, Y_p. Traditionally, the emission lines employed are in the visible…

Cosmology and Nongalactic Astrophysics · Physics 2015-07-15 Erik Aver , Keith A. Olive , Evan D. Skillman

The updated H-band spectral line list (from \lambda 15,000 - 17,000\AA) adopted by the Apache Point Observatory Galactic Evolution Experiment (APOGEE) for the SDSS IV Data Release 16 (DR16) is presented here. The APOGEE line list is a…

We present the first radio/submillimeter detection of monodeuterated methane (CH$_3$D) in Titan's atmosphere, using archival data from of the Atacama Large Millimeter/submillimeter Array (ALMA). The $J_K=2_1-1_1$ and $J_K=2_0-1_0$…

Earth and Planetary Astrophysics · Physics 2019-05-15 Alexander E. Thelen , Conor A. Nixon , Martin A. Cordiner , Steven B. Charnley , Patrick G. J. Irwin , Zbigniew Kisiel

We have used a highly sensitive cavity-enhanced frequency modulation spectroscopy technique to measure different parameters of the ultraweak transitions of a${^1}{\triangle}_g{\leftarrow}$X $^3{\Sigma}^{-}_g$ $(0,0)$ band of molecular…

Optics · Physics 2013-04-23 Dipankar Das

We present spectroscopic data for four metastable state clear-out transitions between 399 nm and 412 nm for all even long-lived isotopes of Yb$^+$ as well as their hyperfine structure in $^{171}$Yb$^+$. The strong $^2 \rm{D}_{3/2}…

The dependence of the proton-to-electron mass ratio, mu, on the local matter density was investigated using methanol emission in the dense dark cloud core L1498. Towards two different positions in L1498, five methanol transitions were…

Cosmology and Nongalactic Astrophysics · Physics 2017-10-18 M. Daprà , C. Henkel , S. A. Levshakov , K. M. Menten , S. Muller , H. L. Bethlem , S. Leurini , A. V. Lapinov , W. Ubachs

We investigate radar parameter estimation and beam tracking with a hybrid digital-analog (HDA) architecture in a multi-block measurement framework using an extended target model. In the considered setup, the backscattered data signal is…

Signal Processing · Electrical Eng. & Systems 2023-08-17 Fernando Pedraza , Saeid K. Dehkordi , Jan C. Hauffen , Shuangyang Li , Peter Jung , Giuseppe Caire

Ground-based high-resolution spectra provide a powerful tool for characterising exoplanet atmospheres. However, they are greatly hampered by the dominating telluric and stellar lines, which need to be removed prior to any analysis. Such…

Earth and Planetary Astrophysics · Physics 2024-08-27 Doriann Blain , Alejandro Sánchez-López , Paul Mollière