Evidence of tetraphenylporphyrin monoacids by ion-transfer voltammetry at polarized liquid|liquid interfaces

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The far-field polarization of the optical response of a plasmonic antenna can be tuned by subtly engineering of its geometry. In this paper, we develop design rules for nano antennas which enable the generation of circular polarized light via the excitatio ...

American Chemical Society2013

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In an article (Zürcher, Microwave Opt Technol Lett 55 (2013), 516–521) published in 2013, a new antenna called tripod omnidirectional low profile Antenna has been presented. It is vertically polarized and has a radiation pattern similar to the classical mo ...

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Selection rules for helicity amplitudes in massive gauge theories

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After a rediscussion of the vanishing theorems for helicity amplitudes in unbroken gauge theories, we study the case of spontaneously broken gauge theories at high energy. The vanishing theorems generalize to a definite pattern of m/E suppression of the am ...

American Physical Society2013

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Molecular oxygen and hydrogen peroxide reduction by 1,2-diferrocenylethane (DFcE) was investigated at a polarized water/1,2-dichloroethane (W/DCE) interface. The overall reaction points to a proton-coupled electron transfer (PCET) mechanism, where the firs ...

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Measurement of the B-s(0) -> J/psi (K)over-bar(*0) branching fraction and angular amplitudes

Christophe Salzmann, Christoph Frei, Peter Clarke, Jean Wicht, Aurelio Bay, Minh Tâm Tran, Marc-Olivier Bettler, Cédric Potterat, Neal Gauvin, Christophe Bauer, Joël Bressieux, Vincent Fave, Johan Luisier, Tatsuya Nakada, Guido Haefeli, Niko Neufeld, Mathias Oleg Knecht, Olivier Schneider, Pierre Jaton, Hans Dijkstra, Julien Rouvinet, Frédéric Guillaume Dupertuis, Frédéric Teubert, Gerhard Raven, Bastien Luca Muster, Anne Keune, Frédéric Blanc, Matthew Needham, Raluca Anca Muresan, Songmei Wu, Barinjaka Rakotomiaramanana, Greig Alan Cowan, Jessica Prisciandaro, Vladislav Balagura, Ilya Komarov, Albert Puig Navarro, Mark Tobin, Victor Coco, Maurizio Martinelli, Plamen Hristov Hopchev, Jian Wang, , , , , ,

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A sample of 114 +/- 11 B-s(0) -> J/psi K- pi(+) signal events obtained with 0.37 fb(-1) of pp collisions at root s = 7 TeV collected by the LHCb experiment is used to measure the branching fraction and polarization amplitudes of the B-s(0) -> J/psi(K) over ...

American Physical Society2012