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Current quests in nucleosynthesis: Present and future neutron-induced reaction measurements (2014)
Journal Article
Praena, J., Pignatari, M., Mastinu, P., Martín-Hernández, G., Prete, G., Quesada, J., & Sabaté-Gilarte, M. (2014). Current quests in nucleosynthesis: Present and future neutron-induced reaction measurements. EPJ Web of Conferences, 66, 07022. https://doi.org/10.1051/epjconf/20146607022

We present some open questions in nucleosynthesis focused on the measurement of relevant neutron capture cross-sections and on new experimental methods. We review the recent 63 Ni(n,γ) experiment carried out at the n-TOF facility at CERN and its astr... Read More about Current quests in nucleosynthesis: Present and future neutron-induced reaction measurements.

Galaxy And Mass Assembly (GAMA): testing galaxy formation models through the most massive galaxies in the Universe (2014)
Journal Article
Oliva-Altamirano, P., Brough, S., Lidman, C., Couch, W. J., Hopkins, A. M., Colless, M., Taylor, E., Robotham, A. S. G., Gunawardhana, M. L. P., Ponman, T., Baldry, I., Bauer, A. E., Bland-Hawthorn, J., Cluver, M., Cameron, E., Conselice, C. J., Driver, S., Edge, A. C., Graham, A. W., van Kampen, E., …Sharp, R. G. (2014). Galaxy And Mass Assembly (GAMA): testing galaxy formation models through the most massive galaxies in the Universe. Monthly notices of the Royal Astronomical Society, 440(1), 762-775. https://doi.org/10.1093/mnras/stu277

We have analysed the growth of Brightest Group Galaxies and Brightest Cluster Galaxies (BGGs/BCGs) over the last 3 billion years using a large sample of 883 galaxies from the Galaxy And Mass Assembly survey. By comparing the stellar mass of BGGs and... Read More about Galaxy And Mass Assembly (GAMA): testing galaxy formation models through the most massive galaxies in the Universe.

Galaxy and Mass Assembly (GAMA) : fine filaments of galaxies detected within voids (2014)
Journal Article
Alpaslan, M., Robotham, A. S., Obreschkow, D., Penny, S., Driver, S., Norberg, P., Brough, S., Brown, M., Cluver, M., Holwerda, B. W., Hopkins, A. M., van Kampen, E., Kelvin, L. S., Lara-Lopez, M. A., Liske, J., Loveday, J., Mahajan, S., & Pimbblet, K. (2014). Galaxy and Mass Assembly (GAMA) : fine filaments of galaxies detected within voids. Monthly notices of the Royal Astronomical Society. Letters, 440(1), L106-L110. https://doi.org/10.1093/mnrasl/slu019

Based on data from the Galaxy and Mass Assembly (GAMA) survey, we report on the discovery of structures that we refer to as ‘tendrils’ of galaxies: coherent, thin chains of galaxies that are rooted in filaments and terminate in neighbouring filaments... Read More about Galaxy and Mass Assembly (GAMA) : fine filaments of galaxies detected within voids.

Constraints on the Galactic bar from the Hercules stream as traced with RAVE across the Galaxy (2014)
Journal Article
Antoja, T., Helmi, A., Dehnen, W., Bienaymé, O., Bland-Hawthorn, J., Famaey, B., Freeman, K., Gibson, B. K., Gilmore, G., Grebel, E. K., Kordopatis, G., Kunder, A., Minchev, I., Munari, U., Navarro, J., Parker, Q., Reid, W. A., Seabroke, G., Siebert, A., Steinmetz, M., …Zwitter, T. (2014). Constraints on the Galactic bar from the Hercules stream as traced with RAVE across the Galaxy. Astronomy and Astrophysics, 563, A60-1-A60-17. https://doi.org/10.1051/0004-6361/201322623

Non-axisymmetries in the Galactic potential (spiral arms and bar) induce kinematic groups such as the Hercules stream. Assuming that Hercules is caused by the effects of the outer Lindblad resonance of the Galactic bar, we model analytically its prop... Read More about Constraints on the Galactic bar from the Hercules stream as traced with RAVE across the Galaxy.

Ni62(n,γ) and Ni63(n,γ) cross sections measured at the n_TOF facility at CERN (2014)
Journal Article
Lederer, C., Massimi, C., Berthoumieux, E., Colonna, N., Dressler, R., Guerrero, C., Gunsing, F., Käppeler, F., Kivel, N., Pignatari, M., Reifarth, R., Schumann, D., Wallner, A., Altstadt, S., Andriamonje, S., Andrzejewski, J., Audouin, L., Barbagallo, M., Bécares, V., Bečvář, F., …Tassan-Got, L. (2014). Ni62(n,γ) and Ni63(n,γ) cross sections measured at the n_TOF facility at CERN. Physical Review C - Nuclear Physics, 89(2), Article 025810. https://doi.org/10.1103/physrevc.89.025810

The cross section of the Ni62(n,γ) reaction was measured with the time-of-flight technique at the neutron time-of-flight facility n-TOF at CERN. Capture kernels of 42 resonances were analyzed up to 200 keV neutron energy and Maxwellian averaged cross... Read More about Ni62(n,γ) and Ni63(n,γ) cross sections measured at the n_TOF facility at CERN.

Photometric studies of Abell 1664: the subtle effect a minor merger has on cluster galaxies (2014)
Journal Article
Kleiner, D., Pimbblet, K. A., Owers, M. S., Jones, D. H., & Stephenson, A. P. (2014). Photometric studies of Abell 1664: the subtle effect a minor merger has on cluster galaxies. Monthly notices of the Royal Astronomical Society, 439(3), 2755-2764. https://doi.org/10.1093/mnras/stu131

A combination of BRI photometry and archival Chandra X-ray data have been used to analyse the effects a minor merger has on the galaxy population of A1664. We utilize adaptive smoothing techniques in the 2D spatial distribution of cluster galaxies to... Read More about Photometric studies of Abell 1664: the subtle effect a minor merger has on cluster galaxies.

Ultrafast thermally induced magnetic switching in synthetic ferrimagnets (2014)
Journal Article
Evans, R. F., Ostler, T. A., Chantrell, R. W., Radu, I., & Rasing, T. (2014). Ultrafast thermally induced magnetic switching in synthetic ferrimagnets. Applied physics letters, 104(8), Article 082410. https://doi.org/10.1063/1.4867015

Synthetic ferrimagnets are composite magnetic structures formed from two or more anti-ferromagnetically coupled magnetic sublattices with different magnetic moments. Here, we report on atomistic spin simulations of the laser-induced magnetization dyn... Read More about Ultrafast thermally induced magnetic switching in synthetic ferrimagnets.

Atomistic spin model simulations of magnetic nanomaterials (2014)
Journal Article
Evans, R. F., Fan, W. J., Chureemart, P., Ostler, T. A., Ellis, M. O., & Chantrell, R. W. (2014). Atomistic spin model simulations of magnetic nanomaterials. Journal of Physics: Condensed Matter, 26(10), Article 103202. https://doi.org/10.1088/0953-8984/26/10/103202

Atomistic modelling of magnetic materials provides unprecedented detail about the underlying physical processes that govern their macroscopic properties, and allows the simulation of complex effects such as surface anisotropy, ultrafast laser-induced... Read More about Atomistic spin model simulations of magnetic nanomaterials.

Chemical abundances in bright giants of the globular cluster M62 (NGC 6266) (2014)
Journal Article
Yong, D., Alves Brito, A., Da Costa, G. S., Alonso-García, J., Karakas, A. I., Pignatari, M., Roederer, I. U., Aoki, W., Fishlock, C. K., Grundahl, F., & Norris, J. E. (2014). Chemical abundances in bright giants of the globular cluster M62 (NGC 6266). Monthly notices of the Royal Astronomical Society, 439(3), 2638-2650. https://doi.org/10.1093/mnras/stu118

With the exception of Terzan 5, all the Galactic globular clusters that possess significant metallicity spreads, such as ω Cen and M22, are preferentially the more luminous clusters with extended horizontal branches. Here we present radial velocities... Read More about Chemical abundances in bright giants of the globular cluster M62 (NGC 6266).

Near-field hyperspectral optical imaging (2014)
Journal Article
Bouillard, J. S. G., Dickson, W., Wurtz, G. A., & Zayats, A. V. (2014). Near-field hyperspectral optical imaging. Chemphyschem, 15(4), 619-629. https://doi.org/10.1002/cphc.201300826

This Minireview presents an overview of near-field hyperspectral imaging and discusses its applications. Based on a fibre-tip probe, the hyperspectral near-field optical microscope allows the simultaneous acquisition of near-field images over a broad... Read More about Near-field hyperspectral optical imaging.

Galaxy and mass assembly (GAMA): UgrizYJHK sérsic luminosity functions and the cosmic spectral energy distribution by hubble type (2014)
Journal Article
Kelvin, L. S., Driver, S. P., Robotham, A. S. G., Graham, A. W., Phillipps, S., Agius, N. K., Alpaslan, M., Baldry, I., Bamford, S. P., Bland-Hawthorn, J., Brough, S., Brown, M. J. I., Colless, M., Conselice, C. J., Hopkins, A. M., Liske, J., Loveday, J., Norberg, P., Pimbblet, K. A., Popescu, C. C., …Tuffs, R. J. (2014). Galaxy and mass assembly (GAMA): UgrizYJHK sérsic luminosity functions and the cosmic spectral energy distribution by hubble type. Monthly notices of the Royal Astronomical Society, 439(2), 1245-1269. https://doi.org/10.1093/mnras/stt2391

We report the morphological classification of 3727 galaxies from the Galaxy and Mass Assembly survey with M r < -17.4 mag and in the redshift range 0.025 < z < 0.06 (2.1 × 10 5 Mpc 3 ) into E, S0-Sa, SB0-SBa, Sab-Scd, SBab-SBcd, Sd-Irr and little... Read More about Galaxy and mass assembly (GAMA): UgrizYJHK sérsic luminosity functions and the cosmic spectral energy distribution by hubble type.

The room temperature phosphine-free synthesis of near-infrared emitting HgSe quantum dots (2014)
Journal Article
Mirzai, H., Nordin, M. N., Curry, R. J., Bouillard, J.-S., Zayats, A. V., & Green, M. (2014). The room temperature phosphine-free synthesis of near-infrared emitting HgSe quantum dots. Journal of Materials Chemistry C, 2(12), 2107-2111. https://doi.org/10.1039/c4tc00037d

Luminescent mercury selenide (HgSe) quantum dots have been synthesised by a phosphine-free method using oleic acid as a capping agent. The modification of experimental conditions such as temperature resulted in particles of various sizes (15–100 nm)... Read More about The room temperature phosphine-free synthesis of near-infrared emitting HgSe quantum dots.

A RAVE investigation on Galactic open clusters: I. Radial velocities and metallicities (2014)
Journal Article
Conrad, C., Scholz, R.-D., Kharchenko, N. V., Piskunov, A. E., Schilbach, E., Röser, S., Boeche, C., Kordopatis, G., Siebert, A., Williams, M., Munari, U., Matijevič, G., Grebel, E. K., Zwitter, T., De Jong, R. S., Steinmetz, M., Gilmore, G., Seabroke, G., Freeman, K., Navarro, J. F., …Siviero, A. (2014). A RAVE investigation on Galactic open clusters: I. Radial velocities and metallicities. Astronomy and Astrophysics, 562, A54. https://doi.org/10.1051/0004-6361/201322070

Context. Galactic open clusters (OCs) mainly belong to the young stellar population in the Milky Way disk, but are there groups and complexes of OCs that possibly define an additional level in hierarchical star formation? Current compilations are too... Read More about A RAVE investigation on Galactic open clusters: I. Radial velocities and metallicities.

Plasmonic nanogaps for broadband and large spontaneous emission rate enhancement (2014)
Journal Article
Edwards, A. P., & Adawi, A. M. (2014). Plasmonic nanogaps for broadband and large spontaneous emission rate enhancement. Journal of applied physics, 115(5), Article ARTN 053101. https://doi.org/10.1063/1.4864018

We present the optical properties of a plasmonic nanogap formed between a silver metallic nanoparticle and an extended silver film that shows a strong enhancement in the spontaneous emission rate over the whole visible range. In particular, we use th... Read More about Plasmonic nanogaps for broadband and large spontaneous emission rate enhancement.

The RAVE survey: the Galactic escape speed and the mass of the Milky Way (2014)
Journal Article
Scholz, R.-D., Williams, M. E., Matijevič, G., Bienaymé, O., Wyse, R. F., Piffl, T., Scannapieco, C., Binney, J., Steinmetz, M., Scholz, R. .-D., Williams, M. E. K., De Jong, R. S., Kordopatis, G., Matijevic, G., Bienayme, O., Bland-Hawthorn, J., Boeche, C., Freeman, K., Gibson, B., Gilmore, G., …Zwitter, T. (2014). The RAVE survey: the Galactic escape speed and the mass of the Milky Way. Astronomy and Astrophysics, 562, A91. https://doi.org/10.1051/0004-6361/201322531

We made new estimates of the Galactic escape speed at various Galactocentric radii using the latest data release of the RAdial Velocity Experiment (RAVE DR4). Compared to previous studies we have a database that is larger by a factor of 10, as well a... Read More about The RAVE survey: the Galactic escape speed and the mass of the Milky Way.

How typical is the Coma cluster? (2014)
Journal Article
Pimbblet, K. A., Penny, S. J., & Davies, R. L. (2014). How typical is the Coma cluster?. Monthly notices of the Royal Astronomical Society, 438(4), 3049-3057. https://doi.org/10.1093/mnras/stt2411

Coma is frequently used as the archetype z ∼ 0 galaxy cluster to compare higher redshift work against. It is not clear, however, how representative the Coma cluster is for galaxy clusters of its mass or X-ray luminosity, and significantly, recent wor... Read More about How typical is the Coma cluster?.

The environmental dependence of neutral hydrogen in the GIMIC simulations (2014)
Journal Article
Cunnama, D., Andrianomena, S., Cress, C. M., Faltenbacher, A., Gibson, B. K., & Theuns, T. (2014). The environmental dependence of neutral hydrogen in the GIMIC simulations. Monthly notices of the Royal Astronomical Society, 438(3), 2530-2537. https://doi.org/10.1093/mnras/stt2380

We use the Galaxies-Intergalactic Medium Interaction Calculation (GIMIC) cosmological hydrodynamic simulation at z = 0 to study the distribution and environmental dependence of neutral hydrogen (H I) gas in the outskirts of simulated galaxies. This g... Read More about The environmental dependence of neutral hydrogen in the GIMIC simulations.

Experimental neutron capture data of 58 Ni from the CERN n-TOF facility (2014)
Journal Article
Žugec, P., Barbagallo, M., Colonna, N., Bosnar, D., Altstadt, S., Andrzejewski, J., Audouin, L., Bécares, V., Bečvář, F., Belloni, F., Berthoumieux, E., Billowes, J., Boccone, V., Brugger, M., Calviani, M., Calvino, F., Cano-Ott, D., Carrapiço, C., Cerutti, F., Chiaveri, E., …Wright, T. J. (2014). Experimental neutron capture data of 58 Ni from the CERN n-TOF facility. Physical Review C - Nuclear Physics, 89(1), 014605-1-014605-9. https://doi.org/10.1103/physrevc.89.014605

The ⁵⁸Ni(n,γ) cross section has been measured at the neutron time of flight facility n_TOF at CERN, in the energy range from 27 meV up to 400 keV. In total, 51 resonances have been analyzed up to 122 keV. Maxwellian averaged cross sections (MACS) hav... Read More about Experimental neutron capture data of 58 Ni from the CERN n-TOF facility.

A new stellar chemo-kinematic relation reveals the merger history of the milky way disk (2014)
Journal Article
Minchev, I., Chiappini, C., Martig, M., Steinmetz, M., De Jong, R. S., Boeche, C., Scannapieco, C., Zwitter, T., Wyse, R. F. G., Binney, J. J., Bland-Hawthorn, J., Bienaymé, O., Famaey, B., Freeman, K. C., Gibson, B. K., Grebel, E. K., Gilmore, G., Helmi, A., Kordopatis, G., Lee, Y. S., …Williams, M. (2014). A new stellar chemo-kinematic relation reveals the merger history of the milky way disk. Astrophysical journal. Letters, 781(1), L20. https://doi.org/10.1088/2041-8205/781/1/l20

The velocity dispersions of stars near the Sun are known to increase with stellar age, but age can be difficult to determine, so a proxy like the abundance of α elements (e.g., Mg) with respect to iron, [α/Fe], is used. Here we report an unexpected b... Read More about A new stellar chemo-kinematic relation reveals the merger history of the milky way disk.