Articles: Recent submissions

Now showing items 161-180 of 816

V473 Lyr, a modulated, period-doubled Cepheid, and U TrA, a double-mode Cepheid, observed by MOST

Molnar, L.; Derekas, A.; Szabo, R.; Matthews, J. M.; Cameron, C.; Moffat, A. F. J.; Richardson, N. D.; Csak, B.; Dozsa, A.; Reed, P.; Szabados, L.; Heathcote, B.; Bohlsen, T.; Cacella, P.; Luckas, P.; Sodor, A.; Skarka, M.; Szabo, Gy. M.; Plachy, E.; Kovacs, J.; Evans, N. R.; Kolenberg, K.; Collins, K. A.; Pepper, J.; Stassun, K. G.; Rodriguez, J. E.; Siverd, R. J.; Henden, A.; Mankiewicz, L.; Zarnecki, A. F.; Cwiek, A.; Sokolowski, M.; Pal, A.; Guenther, David B.; Kuschnig, R.; Rowe, J.; Rucinski, S. M.; Sasselov, D.; Weiss, W. W. (Oxford University Press, 2017-05)

Space-based photometric measurements first revealed low-amplitude irregularities in the pulsations of Cepheid stars, but their origins and how commonly they occur remain uncertain. To investigate this phenomenon, we present ...
On the existence of young embedded clusters at high Galactic latitude

Turner, David Gerald, 1945-; Carraro, G.; Panko, E. A. (Oxford University Press, 2017-05-24)

Careful analyses of photometric and star count data available for the nine putative young clusters identified by Camargo et al. at high Galactic latitudes reveal that none of the groups contain early-type stars, and most ...
Probing the geometry and motion of AGN coronae through accretion disc emissivity profiles

Gonzalez, A. G.; Wilkins, D. R.; Gallo, Luigi C. (Oxford University Press, 2017-12)

To gain a better understanding of the inner disc region that comprises active galactic nuclei, it is necessary to understand the pattern in which the disc is illuminated (the emissivity profile) by X-rays emitted from the ...
Crystal Structure of Bis(2,4,6-trimethylphenyl)-phosphine Oxide

Veinot, Alex J.; Ramgoolam, Ketnavi; Giffin, Nick A.; Masuda, Jason Douglas, 1977- (MDPI, 2017-09-19)

The single crystal structure of bis(2,4,6-trimethylphenyl) phosphine oxide has been determined. All interatomic distances and angles can be considered normal. The aryl substituents adopt an intermediate configuration when ...
1,3-Bis(2,6-diisopropylphenyl)-2-trichloromethylimidazolidine

Stack, Darcie L.; Masuda, Jason Douglas, 1977- (MDPI, 2017-10-12)

A new chloroform adduct of the N-heterocyclic carbene (NHC) 1,3-bis(2,6-diisopropylphenyl)imidazolidin-2-ylidene (SIPr) has been prepared via C–H bond activation of the chloroform at the carbene carbon. This redox ...
Transcriptome analysis reveals plant response to colchicine treatment during on chromosome doubling

Zhou, Kai; Fleet, Paige; Nevo, Eviatar; Zhang, Xinquan; Sun, Genlou (Springer Nature, 2017-08-17)

Colchicine was commonly used to artificially double chromosomes while the transcriptome changes in colchicine treated plants has rarely been characterized. To understand the molecular mechanism of colchicine on chromosome ...
Rare Earth Element Deposits of Alkaline Igneous Rocks

Dostal, J. (MDPI, 2017-07-25)

Alkaline igneous complexes host deposits of rare earth elements (REE), which represent one of the most economically important resources of heavy REE and Yttrium (Y). The hosts are differentiated rocks ranging from nepheline ...
Conservation genetics of the eastern yellow-bellied racer (Coluber constrictor flaviventris) and bullsnake (Pituophis catenifer sayi): River valleys are critical features for snakes at northern range limits

Somers, Christopher M.; Graham, Carly F.; Martino, Jessica A.; Frasier, Timothy, 1976-; Lance, Stacey L.; Gardiner, Laura E.; Poulin, Ray G. (Public Library of Science, 2017-11-02)

On the North American Great Plains, several snake species reach their northern range limit where they rely on sparsely distributed hibernacula located in major river valleys. Independent colonization histories for the river ...
Genome-wide association study for grain yield and related traits in elite wheat varieties and advanced lines using SNP markers

Wang, Sheng-Xing; Zhu, Yu-Lei; Zhang, De-Xin; Shao, Hui; Liu, Peng; Hu, Jian-Bang; Zhang, Heng; Zhang, Hai-Ping; Chang, Cheng; Lu, Jie; Xia, Xian-Chun; Sun, Genlou; Ma, Chuan-Xi (Public Library of Science, 2017-11-27)

Genetic improvement of grain yield is always an important objective in wheat breeding. Here, a genome-wide association study was conducted to parse the complex genetic composition of yield-related traits of 105 elite wheat ...
The impact of coastal grabbing on community conservation – a global reconnaissance

Bavinck, Maarten; Berkes, Fikret; Charles, Anthony; Esteves Dias, Ana Carolina; Doubleday, Nancy; Nayak, Prateep; Sowman, Merle (Springer, 2017-06-14)

"Coastal grab" refers to the contested appropriation of coastal (shore and inshore) space and resources by outside interests. This paper explores the phenomenon of coastal grabbing and the effects of such appropriation on ...
Properties of flat-spectrum radio-loud narrow-line Seyfert 1 galaxies (Corrigendum)

Foschini, L.; Berton, M.; Caccianiga, A.; Ciroi, S.; Cracco, V.; Peterson, B. M.; Angelakis, E.; Braito, V.; Fuhrmann, L.; Gallo, Luigi C.; Grupe, D.; Järvelä, E.; Kaufmann, S.; Komossa, S.; Kovalev, Y. Y.; Lähteenmäki, A.; Lisakov, M. M.; Lister, M. L.; Mathur, S.; Richards, J. L.; Romano, P.; Sievers, A.; Tagliaferri, G.; Tammi, J.; Tibolla, O.; Tornikoski, M.; Vercellone, S.; La Mura, G.; Maraschi, L.; Rafanelli, P. (EDP Sciences, 2017-07)

This article is an erratum for: Properties of flat-spectrum radio-loud narrow-line Seyfert 1 galaxies (Astronomy & Astrophysics vol 575, A13, 2015).
First measurement of the polarization observable E and helicity-dependent cross sections in single π0 photoproduction from quasi-free nucleons

Dieterle, M.; Witthauer, L.; Cividini, F.; Abt, S.; Achenbach, P.; Adlarson, P.; Afzal, F.; Ahmed, Z.; Akondi, C. S.; Annand, J. R. M.; Arends, H. J.; Bashkanov, M.; Beck, R.; Biroth, M.; Borisov, N. S.; Braghieri, A.; Briscoe, W. J.; Costanza, S.; Collicott, C.; Denig, A.; Downie, E. J.; Drexler, P.; Ferretti-Bondy, M.I.; Gardner, S.; Garni, S.; Glazier, D. I.; Glowa, D.; Gradl, W.; Günther, M.; Gurevich, G. M.; Hamilton, D.; Sarty, A. (Elsevier, 2017-07-10)

The double-polarization observable E and the helicity-dependent cross sections σ_1/2and σ_3/2have been measured for the first time for single π⁰photoproduction from protons and ...
Halo-induced large enhancement of soft dipole excitation of 11Li observed via proton inelastic scattering

Tanaka, J.; Kanungo, R.; Alcorta, M.; Aoi, N.; Bidaman, H.; Burbadge, C.; Christian, G.; Cruz, S.; Davids, B.; Diaz Varela, A.; Even, J.; Hackman, G.; Harakeh, M. N.; Henderson, J.; Ishimoto, S.; Kaur, S.; Keefe, M.; Krücken, R.; Leach, K. G.; Lighthall, J.; Padilla Rodal, E.; Randhawa, J. S.; Ruotsalainen, P.; Sanetullaev, A.; Smith, J. K.; Workman, O.; Tanihata, I. (Elsevier, 2017-11-10)

Proton inelastic scattering off a neutron halo nucleus, ¹¹Li, has been studied in inverse kinematics at the IRIS facility at TRIUMF. The aim was to establish a soft dipole resonance and to obtain its dipole ...
Investigation of the 10Li shell inversion by neutron continuum transfer reaction

Cavallaro, M.; De Napoli, M.; Cappuzzello, F.; Orrigo, S. E. A.; Agodi, C.; Bondí, M.; Carbone, D.; Cunsolo, A.; Davids, B.; Davinson, T.; Foti, A.; Galinski, N.; Kanungo, R.; Lenske, H.; Ruiz, C.; Sanetullaev, A. (American Physical Society, 2017-01-03)

This Letter reports a study of the highly debated ¹⁰Li structure through the d(⁹Li, p)¹⁰Li one-neutron transfer reaction at 100 MeV. The ¹⁰Li energy spectrum is measured up to ...
Study of η and η' Photoproduction at MAMI

Kashevarov, V. L.; Ott, P.; Prakhov, S.; Adlarson, P.; Afzal, F.; Ahmed, Z.; Akondi, C. S.; Annand, J. R. M.; Arends, H. J.; Beck, R.; Braghieri, A.; Briscoe, W. J.; Cividini, F.; Codling, R.; Collicott, C.; Costanza, S.; Denig, A.; Downie, E. J.; Dieterle, M.; Ferretti Bondy, M. I.; Fil’kov, L. V.; Fix, A.; Gardner, S.; Garni, S.; Glazier, D. I.; Glowa, D.; Sarty, A. (American Physical Society, 2017-05-26)

The reactions γp→ηp and γp→η′p are measured from their thresholds up to the center-of-mass energy W=1.96 GeV with the tagged-photon facilities at the Mainz Microtron, MAMI. ...
Nuclear force imprints revealed on the elastic scattering of protons with 10C

Kumar, A.; Kanungo, R.; Calci, A.; Navratil, P.; Sanetullaev, A.; Alcorta, M.; Bildstein, V.; Christian, G.; Davids, B.; Dohet-Eraly, J.; Fallis, J.; Gallant, A. T.; Hackman, G.; Hadinia, B.; Hupin, G.; Ishimoto, S.; Krucken, R.; Laffoley, A. T.; Lighthall, J.; Miller, D.; Quaglioni, S.; Randhawa, J. S.; Rand, E. T.; Rojas, A.; Roth, R.; Shotter, A.; Tanaka, J.; Tanihata, I.; Unsworth, C. (American Physical Society, 2017-06-28)

How does nature hold together protons and neutrons to form the wide variety of complex nuclei in the Universe? Describing many-nucleon systems from the fundamental theory of quantum chromodynamics has been the greatest ...
Helicity-dependent cross sections and double-polarization observable E in η photoproduction from quasifree protons and neutrons

Witthauer, L.; Dieterle, M.; Abt, S.; Achenbach, P.; Afzal, F.; Ahmed, Z.; Akondi, C. S.; Annand, J. R. M.; Arends, H. J.; Bashkanov, M.; Beck, R.; Biroth, M.; Borisov, N. S.; Braghieri, A.; Briscoe, W. J.; Cividini, F.; Costanza, S.; Collicott, C.; Denig, A.; Downie, E. J.; Drexler, P.; Ferretti-Bondy, M. I.; Gardner, S.; Garni, S.; Glazier, D. I.; Sarty, A. (American Physical Society, 2017-05-01)

Precise helicity-dependent cross sections and the double-polarization observable E were measured for η photoproduction from quasifree protons and neutrons bound in the deuteron. The η→2γ and η&rarr ...
β-decay half-lives and β-delayed neutron emission probabilities for several isotopes of Au, Hg, Tl, Pb, and Bi, beyond N=126

Caballero-Folch, R.; Domingo-Pardo, C.; Agramunt, J.; Algora, A.; Ameil, F.; Ayyad, Y.; Benlliure, J.; Bowry, M.; Calviño, F.; Cano-Ott, D.; Cortès, G.; Davinson, T.; Dillmann, I.; Estrade, A.; Evdokimov, A.; Faestermann, T.; Farinon, F.; Galaviz, D.; García, A. R.; Geissel, H.; Gelletly, W.; Gernhäuser, R.; Gómez-Hornillos, M. B.; Guerrero, C. (American Physical Society, 2017-06-23)

Background: There have been measurements on roughly 230 nuclei that are β-delayed neutron emitters. They range from ⁸He up to ¹⁵⁰La. Apart from ²¹⁰Tl, with a branching ratio of only ...
Determination of the Neutron-Capture Rate of 17C for the R-process Nucleosynthesis

Heine, M.; Typel, S.; Wu, M.-R.; Adachi, T.; Aksyutina, Y.; Alcantara, J.; Altstadt, S.; Alvarez-Pol, H.; Ashwood, N.; Atar, L.; Aumann, T.; Avdeichikov, V.; Barr, M.; Beceiro-Novo, S.; Bemmerer, D.; Benlliure, J.; Bertulani, C. A.; Boretzky, K.; Borge, M. J. G.; Burgunder, G.; Caamano, M.; Caesar, C.; Casarejos, E.; Catford, W.; Cederkall, J.; Chakraborty, S.; Chartier, M.; Chulkov, L. V.; Cortina-Gil, D.; Crespo, R.; Datta Pramanik, U.; Dıaz Fernandez, P.; Dillmann, I.; Elekes, Z.; Enders, J.; Ershova, O.; Estrade, A.; Kanungo, R. (American Physical Society, 2017-01-30)

With the R³B-LAND setup at GSI we have measured exclusive relative-energy spectra of the Coulomb dissociation of ¹⁸C at a projectile energy around 425A MeV on a lead target, which are needed to determine ...
Measurement of the π0→e+e−γ Dalitz decay at MAMI

Adlarson, P.; Afzal, F.; Aguar-Bartolome, P.; Ahmed, Z.; Akondi, C. S.; Annand, J. R. M.; Arends, H. J.; Bantawa, K.; Beck, R.; Berghauser, H.; Biroth, M.; Borisov, N. S.; Braghieri, A.; Briscoe, W. J.; Cherepnya, S.; Cividini, F.; Collicott, C.; Costanza, S.; Denig, A.; Dieterle, M.; Downie, E. J.; Drexler, P.; Ferretti-Bondy, M. I.; Fil’kov, L. V.; Gardner, S.; Garni, S.; Glazier, D. I.; Glowa, D. (American Physical Society, 2017-02-09)

The Dalitz decay π⁰→e⁺e⁻γ has been measured in the γp→π⁰p reaction with the A2 tagged-photon facility at the Mainz Microtron, MAMI. The value ...

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