Browsing University of Hertfordshire by Title

Now showing items 8696-8715 of 24465

    • First 80Se(n,γ) cross section measurement with high resolution in the full stellar energy range 1 eV - 100 keV and its astrophysical implications for the s-process 

      Babiano-Suarez, V.; Balibrea-Correa, J.; Caballero-Ontanaya, L.; Domingo-Pardo, C.; Ladarescu, I.; Lerendegui-Marco, J.; Tain, J. L.; Calviño, F.; Casanovas, A.; Tarifeño-Saldivia, A.; Guerrero, C.; Aberle, O.; Alcayne, V.; Amaducci, S.; Andrzejewski, J.; Audouin, L.; Bacak, M.; Barbagallo, M.; Bennett, S.; Berthoumieux, E.; Billowes, J.; Bosnar, D.; Brown, A.; Busso, M.; Caamaño, M.; Calviani, M.; Cano-Ott, D.; Cerutti, F.; Chiaveri, E.; Colonna, N.; Cortés, G.; CortésGiraldo, M. A.; Cosentino, L.; Cristallo, S.; Damone, L. A.; Davies, P. J.; Diakaki, M.; Dietz, M.; Dressler, R.; Ducasse, Q.; Dupont, E.; Durán, I.; Eleme, Z.; Fernández-Domínguez, B.; Ferrari, A.; Finocchiaro, P.; Furman, V.; Göbel, K.; Garg, R.; Gawlik-Ramięga, A.; Gilardoni, S.; Gonçalves, I. F.; González-Romero, E.; Gunsing, F.; Harada, H.; Heinitz, S.; Heyse, J.; Jenkins, D. G.; Junghans, A.; Käppeler, F.; Kadi, Y.; Kimura, A.; Knapová, I.; Kokkoris, M.; Kopatch, Y.; Krtička, M.; Kurtulgil, D.; Lederer-Woods, C.; Leeb, H.; Lonsdale, S. J.; Macina, D.; Manna, A.; Martínez, T.; Masi, A.; Massimi, C.; Mastinu, P.; Mastromarco, M.; Maugeri, E. A.; Mazzone, A.; Mendoza, E.; Mengoni, A.; Michalopoulou, V.; Milazzo, P. M.; Mingrone, F.; Moreno-Soto, J.; Musumarra, A.; Negret, A.; Nolte, R.; Ogállar, F.; Oprea, A.; Patronis, N.; Pavlik, A.; Perkowski, J.; Persanti, L.; Petrone, C.; Pirovano, E.; Porras, I.; Praena, J.; Quesada, J. M.; Ramos-Doval, D.; Rauscher, T.; Reifarth, R.; Rochman, D.; Romanets, Y.; Rubbia, C.; Sabaté-Gilarte, M.; Saxena, A.; Schillebeeckx, P.; Schumann, D.; Sekhar, A.; Smith, A. G.; Sosnin, N. V.; Sprung, P.; Stamatopoulos, A.; Tagliente, G.; Tassan-Got, L.; Thomas, Th.; Torres-Sánchez, P.; Tsinganis, A.; Ulrich, J.; Urlass, S.; Valenta, S.; Vannini, G.; Variale, V.; Vaz, P.; Ventura, A.; Vescovi, D.; Vlachoudis, V.; Vlastou, R.; Wallner, A.; Woods, P. J.; Wright, T.; Žugec, P.; Collaboration, and the n_TOF (2022-02-24)
      Most elements heavier than iron have been generated in the stellar media by means of neutron capture reactions, approximately half are produced by the slow neutron capture or s-process. Radiative neutron capture cross ...

    • First as Farce, then as Tragedy: art, vaudeville and modern painting after the French Revolution 

      Adams, Steven (Bloomsbury Academic, 2021-07-29)
      What might art history look like if it was reconstructed using only primary sources? What structures, practices and discursive conventions might crop up, how would we reconcile them with existing art historical narratives ...

    • First beta-decay studies of the neutron-rich isotopes Sc53-55 and V56-59 

      Sorlin, O.; Borrel, V.; Grevy, S.; Guillemaud-Mueller, D.; Mueller, A.C.; Pougheon, F.; Bohmer, W.; Kratz, K.L.; Mehren, T.; Moller, P.; Pfeiffer, B.; Rauscher, T.; Saint-Laurent, M.G.; Anne, R.; Lewitowicz, M.; Ostrowski, A.; Dorfler, T.; Schmidt-Ott, W.D. (1998-03-16)
      The neutron-rich isotopes Sc53-55 and V56-59 have been produced at GANIL in interactions of a 64.5 MeV/u Cu-65 beam with a Be-9 target. They were separated by the doubly achromatic spectrometer LISE3. Beta-decay half-lives ...

    • First BISTRO Observations of the Dark Cloud Taurus L1495A-B10: The Role of the Magnetic Field in the Earliest Stages of Low-mass Star Formation 

      BISTRO (2023-03-30)
      We present BISTRO Survey 850 μm dust emission polarization observations of the L1495A-B10 region of the Taurus molecular cloud, taken at the James Clerk Maxwell Telescope (JCMT). We observe a roughly triangular network of ...

    • A first catalogue of automatically selected ultraviolet-excess sources from the UVEX survey 

      Verbeek, Kars; de Groot, Eelco; Groot, Paul J.; Scaringi, Simone; Drew, J.E.; Greimel, Robert; Irwin, Mike; Gonzalez-Solares, Eduardo; Gaensicke, Boris T.; Casares, Jorge; Corral-Santana, Jesus M.; Deacon, Niall; Steeghs, Danny (2012-02)
      We present the first catalogue of point-source ultraviolet (UV)-excess sources selected from the UV-Excess Survey of the Northern Galactic Plane (UVEX). UVEX images the Northern Galactic Plane in the U, g, r and He Iota ...

    • First communions : mimetic ability versus theory of mind accounts 

      Hutto, D. (John Benjamins Publishing Company, 2008)
      It is widely held that the gradual development of metarepresentational Theory of Mind (ToM) abilities constituted at least one important hominid upgrade. Are such abilities really needed to explain hominid (i) tool-making, ...

    • First Confirmed Detection of a Bipolar Molecular Outflow from a Young Brown Dwarf 

      Phan-Bao, Ngoc; Riaz, Basmah; Lee, Chin-Fei; Tang, Ya-Wen; Ho, Paul T. P.; Martin, Eduardo L.; Lim, Jeremy; Ohashi, Nagayoshi; Shang, Hsien (2008-12-20)
      Studying the earliest stages in the birth of stars is crucial for understanding how they form. Brown dwarfs with masses between that of stars and planets are not massive enough to maintain stable hydrogen-burning fusion ...

    • First correlated measurements of the shape and scattering properties of cloud particles using the new Particle Habit Imaging and Polar Scattering (PHIPS) probe 

      Abdelmonem, A.; Schnaiter, M.; Amsler, P.; Hesse, Evelyn; Meyer, J.; Leisner, T. (2011)
      Studying the radiative impact of cirrus clouds requires the knowledge of thelink between their microphysics and the single scattering properties of thecloud particles. Usually, this link is created by modeling the ...

    • First death involving 4-Fluoroethylphenidate (4F-EPH): case-report, user experiences, and review of the related literature 

      Corkery, John Martin; Schifano, Fabrizio (2022-12-01)
      Background: 4-Fluoroethylphenidate (4F-EPH) is a psychoactive substance, sold primarily over the Internet as a ‘research chemical’. Recreational and ‘functional’ use of this drug has been reported by online user fora. ...

    • The first detection of cobalt in a damped Lyman alpha system 

      Ellison, S.L.; Ryan, Sean G.; Prochaska, J.X. (2001-09)

    • First detection of the field star overdensity in the Perseus arm 

      Monguió, Maria; Grosbøl, Preben; Figueras, Francesca (2015-03-20)
      Aims. The main goal of this study is to detect the stellar overdensity associated with the Perseus arm in the anticenter direction. Methods. We used the physical parameters derived from Str\"omgren photometric data to ...

    • First experiments relating behavior selection architectures to environmental complexity 

      Cañamero, Lola; Avila-Garcia, O.; Hafner, E. (Institute of Electrical and Electronics Engineers (IEEE), 2002)
      Assessing the performance of behavior selection architectures for autonomous robots is a complex task that depends on many factors. This paper reports a study comparing four motivated behavior-based architectures in different ...

    • The first generation of Virgo cluster dwarf elliptical galaxies? 

      Lisker, T.; Janz, J.; Hensler, G.; Kim, S.; Rey, S.C.; Weinmann, S.; Mastropietro, C.; Hielscher, O.; Paudel, S.; Kotulla, R. (2009)
      In the light of the question whether most early-type dwarf (dE) galaxies in clusters formed through infall and transformation of late-type progenitors, we search for an imprint of such an infall history in the oldest, most ...

    • First Hard X-ray Observation of a Compact Symmetric Object : A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra 

      Sobolewska, Malgosia; Siemiginowska, Aneta; Guainazzi, Matteo; Hardcastle, Martin; Migliori, Giulia; Ostorero, Luisa; Stawarz, Lukasz (2019-10-22)
      Compact Symmetric Objects (CSOs) have been observed with Chandra and XMM-Newton to gain insights into the initial stages of a radio source evolution and probe the black hole activity at the time of relativistic outflow ...

    • First insights into the ISM at z > 8 with JWST: possible physical implications of a high [O III] λ4363/[O III] λ5007 

      Katz, Harley; Saxena, Aayush; Cameron, Alex J.; Carniani, Stefano; Bunker, Andrew J.; Arribas, Santiago; Bhatawdekar, Rachana; Bowler, Rebecca A. A.; Boyett, Kristan N. K.; Cresci, Giovanni; Curtis-Lake, Emma; D'Eugenio, Francesco; Kumari, Nimisha; Looser, Tobias J.; Maiolino, Roberto; Ubler, Hannah; Willott, Chris; Witstok, Joris (2022-09-20)
      We present a detailed analysis of the rest-frame optical emission line ratios for three spectroscopically confirmed galaxies at z > 7.5. The galaxies were identified in the James Webb Space Telescope (JWST) Early Release ...

    • First Investigation of the Combined Impact of Ionizing Radiation and Momentum Winds from a Massive Star on a Self-gravitating Core 

      Ngoumou, J.; Hubber, D.; Burkert, A.; Dale, James (2014-12-18)
      Massive stars shape the surrounding interstellar matter (ISM) by emitting ionizing photons and ejecting material through stellar winds. To study the impact of the momentum from the wind of a massive star on the surrounding ...

    • First Light And Reionization Epoch Simulations (FLARES) - I. Environmental dependence of high-redshift galaxy evolution 

      Lovell, Christopher; Vijayan, Aswin; Thomas, Peter A.; Wilkins, Stephen M.; Barnes, David; Irodotou, Dimitrios; Roper, Will (2021-01-01)
      We introduce the First Light And Reionisation Epoch Simulations (FLARES), a suite of zoom simulations using the EAGLE model. We resimulate a range of over densities during the Epoch of Reionization (EoR) in order to build ...

    • First light of the VLT planet finder SPHERE IV : Physical and chemical properties of the planets around HR8799 

      Bonnefoy, Mickael; Zurlo, A; Baudino, J L; Lucas, P.W. (2016-03-01)
      Context. The system of four planets discovered around the intermediate-mass star HR8799 offers a unique opportunity to test planet formation theories at large orbital radii and to probe the physics and chemistry at play ...

    • First line care 

      Richardson, Marion (Oxford University Press (OUP), 2008)
      This text is an invaluable guide to pre-registration nursing programmes, aimed at students of degree or diploma level, and for those on post-registration courses. This revised edition portrays the requirements of contemporary ...

    • A First Look at BISTRO Observations of the ρ Oph-A core 

      BISTRO; Gledhill, Timothy (2018-05-16)
      We present 850 μm imaging polarimetry data of the ρ Oph-A core taken with the Submillimeter Common-User Bolometer Array-2 (SCUBA-2) and its polarimeter (POL-2) as part of our ongoing survey project, -fields In STar forming ...