Autor: Ban, B. - Prolib Integro

Skocz do pozycji: 1.

Tytuł:: Measurement of a false electric dipole moment signal from ^{199}Hg atoms exposed to an inhomogeneous magnetic field
Autorzy:: Chowdhuri, Z.
Grujic, Z.
Lefort, T.
Zenner, J.
Horras, M.
Piegsa, F. M.
Wursten, E.
Daum, M.
Severijns, N.
Kirch, K.
Rebreyend, D.
Franke, B.
Green, K.
Naviliat-Cuncic, O.
Harris, P. G.
Kermaidic, Y.
Zejma, Jacek
Bison, G.
Fertl, M.
van der Grinten, M. G. D.
Henneck, R.
Pendlebury, J. M.
Quemener, G.
Roccia, S.
Zsigmond, G.
Ries, D.
Komposch, S.
Mtchedlishvili, A.
Heil, W.
Lemiere, Y.
Pignol, G.
Geltenbort, P.
Ivanov, S. N.
Iaydjiev, P.
Helaine, V.
Schmidt-Wellenburg, P.
Bodek, Kazimierz
Kasprzak, M.
Lauss, B.
Koch, H. C.
Afach, S.
Wyszyński, Grzegorz
Kozela, A.
Prashanth, P. N.
Ban, B.
Weis, A.
Krempel, J.
Knowles, P.
Opis:: We report on the measurement of a Larmor frequency shift proportional to the electric-field strength for Hg-199 atoms contained in a volume permeated with aligned magnetic and electric fields. This shift arises from the interplay between the inevitable magnetic field gradients and the motional magnetic field. The proportionality to electric-field strength makes it apparently similar to an electric dipole moment (EDM) signal, although unlike an EDM this effect is P- and T-conserving. We have used a neutron magnetic resonance EDM spectrometer, featuring a mercury co-magnetometer and an array of external cesium magnetometers, to measure the shift as a function of the applied magnetic field gradient. Our results are in good agreement with theoretical expectations.
Dostawca treści:: Repozytorium Uniwersytetu Jagiellońskiego

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Skocz do pozycji: 2.

Tytuł:: Thermopower and hardness characterization of structural relaxation and crystallization in FINEMET type amorphous precursor alloy
Autorzy:: Bán, K.
Szabó, A.
Ipach, R.
Szabó, B.
Tematy:: 61.43.Dq
72.15.Jf; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Powiązania:: https://bibliotekanauki.pl/articles/1053037.pdf Link otwiera się w nowym oknie
Opis:: In this paper, the thermopower (U) and hardness (HV) of FINEMET type glasses are studied during structural relaxation and beyond the crystallization onset. In this multicomponent alloy (Fe_{73.5-x}Si_{13.5}B_{9}Nb_{x}Cu_{1}) both property changes are more complex than that in binary Fe-B glasses. The phenomenon of relaxation and the crystallization onset can be successfully distinguished in both property changes. Simultaneously with the hardness increase, a slope increase in the thermopower versus temperature dependences was observed if crystallization started. The character of both property changes does alter drastically at the beginning of amorphous-nanocrystalline transformation. Similar trends were measured on samples undergoing traditional isothermal and pulse heat treatments.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Effect of soil type on pyrethrum seed germination
Autorzy:: Sladonja, B.
Krapac, M.
Ban, D.
Uzila, Z.
Dudas, S.
Dorcic, D.
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Powiązania:: https://bibliotekanauki.pl/articles/66712.pdf Link otwiera się w nowym oknie
Opis:: Pyrethrum (Tanacetum cinerariifolium (Trevir.) Sch. Bip.) is an autochthonous insecticidal plant from Dalmatia (Croatia). It is commercially grown worldwide with a particularly fast expansion in Africa and Australia (Tasmania) and used as a natural insecticide. The study was conducted in Istria, Croatia, in a greenhouse, to determine the effect of soil type on the germination of pyrethrum seeds. The effect of different soil types on the germination of pyrethrum was found to be highly significant. The highest percentage of germination was found on white clay loam (soil type 2), and the lowest on red clay Terra Rossa (soil types 1 and 6). Seed germination was greatly influenced by soil texture, foremost silt percentage, and soil pH. The present study suggests that pyrethrum seed germination is best on slightly alkaline clayey loams with moderate nutrients. Positive correlation was confirmed among germination percentage and silt content and soil pH.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Dietary protein source matters for changes in inflammation measured by urinary C-reactive protein in rural Polish women
Autorzy:: Ban, Hayley E.
Jasieńska, Grażyna
Lee, Katharine M.N.
Zabłocka-Słowińska, Katarzyna
Galbarczyk, Andrzej
Clancy, Kathryn B.H.
Rogers-Lavanne, Mary P.
Dostawca treści:: Repozytorium Uniwersytetu Jagiellońskiego

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Skocz do pozycji: 5.

Tytuł:: The very large n2EDM magnetically shielded room with an exceptional performance for fundamental physics measurements
Autorzy:: Emmenegger, S.
Kirch, K.
Doorenbos, C. B.
Harris, P. G.
Saenz-Arevalo, W.
Roccia, S.
Ries, D.
Pais, D.
Thorne, J.
Lefort, T.
Griffith, W. C.
Tavakoli Dinani, R.
Zsigmond, G.
Crawford, C. B.
Ban, G.
Piegsa, F. M.
Bison, G.
Bondar, V.
Fertl, M.
Krempel, J.
Rienäcker, I.
Schnabel, A.
Zejma, Jacek
Lauss, B.
Schmidt-Wellenburg, P.
Fratangelo, A.
Pignol, G.
Chanel, E.
Ayres, N. J.
Shen, B.
Svirina, K.
Rozpędzik, Dagmara
Bodek, Kazimierz
Clement, B.
Rebreyend, D.
Staab, M.
Bouillaud, T.
Daum, M.
Chiu, P.-J.
Yazdandoost, N.
Rauscher, G.
Naviliat-Cuncic, O.
Severijns, N.
Grujic, Z. D.
Opis:: We present the magnetically shielded room (MSR) for the n2EDM experiment at the Paul Scherrer Institute, which features an interior cubic volume with each side of length 2.92 m, thus providing an accessible space of 25 m$^{3}$. The MSR has 87 openings of diameter up to 220 mm for operating the experimental apparatus inside and an intermediate space between the layers for housing sensitive signal processing electronics. The characterization measurements show a remanent magnetic field in the central 1 m$^{3}$ below 100 pT and a field below 600 pT in the entire inner volume, up to 4 cm to the walls. The quasi-static shielding factor at 0.01 Hz measured with a sinusoidal 2$\mu$T peak-to-peak signal is about 100 000 in all three spatial directions and increases rapidly with frequency to reach 10$^{8}$ above 1 Hz.
Dostawca treści:: Repozytorium Uniwersytetu Jagiellońskiego

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Skocz do pozycji: 6.

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Skocz do pozycji: 7.

Tytuł:: Search for ultralight axion dark matter in a side-band analysis of a $^{199}$Hg free-spin precession signal
Autorzy:: Lefort, T.
Piegsa, F. M.
Wursten, E.
Daum, M.
Dechenaux, B.
Rawlik, M.
Kirch, K.
Severijns, N.
Rozpędzik, Dagmara
Pignol, Guillaume
Schmidt-Wellenburg, Philipp
Flaux, P.
Ban, G.
Harris, P. G.
Kermaidic, Y.
Emmenegger, S.
Zejma, Jacek
Bondar, V.
Bison, G.
Roccia, Stephanie
Ries, D.
Komposch, S.
Thorne, J. A.
Ayres, N. J.
Griffith, W. C.
MohanMurthy, Prajwal
Naviliat Cuncic, Oscar
Bodek, Kazimierz
Lauss, B.
Abel, C.
Koss, P. A.
Stadnik, Y. V.
Zsigmond, Geza
Pais, D.
Crawford, C. B.
Chanel, E.
Weis, A.
Krempel, J.
Opis:: Ultra-low-mass axions are a viable dark matter candidate and may form a coherently oscillating classical field. Nuclear spins in experiments on Earth might couple to this oscillating axion dark-matter field, when propagating on Earth's trajectory through our Galaxy. This spin coupling resembles an oscillating pseudo-magnetic field which modulates the spin precession of nuclear spins. Here we report on the null result of a demonstration experiment searching for a frequency modulation of the free spin-precession signal of $^{199}$Hg in a 1 $\mu$T magnetic field. Our search covers the axion mass range 10$^{-16}$ eV $\lesssim$ m$_{a} \lesssim$ 10$^{-13}$ eV and achieves a peak sensitivity to the axion-nucleon coupling of g$_{aNN} \approx$ 3.5 $\times$ 10$^{-6}$ GeV$^{-1}$.
Dostawca treści:: Repozytorium Uniwersytetu Jagiellońskiego

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Skocz do pozycji: 8.

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Skocz do pozycji: 9.

Tytuł:: The design of the n2EDM experiment
Autorzy:: Yazdandoost, N.
Pignol, G.
Rawlik, M.
Ferraris-Bouchez, L.
Fertl, M.
Chen, J.
Fratangelo, A.
Bodek, Kazimierz
Menu, J.
Piegsa, F.M.
Krempel, J.
Schmidt-Wellenburg, P.
Daum, M.
Naviliat-Cuncic, O.
Schnabel, A.
Rebreyend, D.
Chanel, E.
Crawford, C.B.
Saenz, W.
Kirch, K.
Harris, P.G.
Zejma, Jacek
Touati, S.
Rozpędzik, Dagmara
Thorne, J.
Wursten, E.
Lefort, T.
Chiu, P.-J.
Ban, G.
Bouillaud, T.
Roccia, S.
Ayres, N.J.
Flaux, P.
Lauss, B.
Stapf, T.
Voigt, J.
Koss, P.A.
Zsigmond, G.
Mullins, D.A.
Quéméner, G.
Shen, B.
Goupillière, D.
Tavakoli Dinani, R.
Virot, R.
Ross, K.U.
Dechenaux, B.
Clément, B.
Griffith, W.C.
Lemière, Y.
Ries, D.
Svirina, K.
Bondar, V.
Leredde, A.
Rienäcker, I.
Meier, M.
Pais, D.
Doorenbos, C.B.
Grujic, Z.D.
Emmenegger, S.
Severijns, N.
Bienstman, L.
Bison, G.
Opis:: We present the design of a next-generation experiment, n2EDM, currently under construction at the ultracold neutron source at the Paul Scherrer Institute (PSI) with the aim of carrying out a high-precision search for an electric dipole moment of the neutron. The project builds on experience gained with the previous apparatus operated at PSI until 2017, and is expected to deliver an order of magnitude better sensitivity with provision for further substantial improvements. An overview is of the experimental method and setup is given, the sensitivity requirements for the apparatus are derived, and its technical design is described.
Dostawca treści:: Repozytorium Uniwersytetu Jagiellońskiego

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Skocz do pozycji: 10.

Tytuł:: A device for simultaneous spin analysis of ultracold neutrons
Autorzy:: Chowdhuri, Z.
Lefort, T.
Wursten, E.
Daum, M.
Rawlik, M.
Kirch, K.
Rebreyend, D.
Franke, B.
Severijns, N.
Halaine, V.
Rozpędzik, Dagmara
Rocchia, S.
Naviliat-Cuncic, O.
Zejma, Jacek
Ban, G.
Kermaidic, Y.
Bison, G.
Fertl, M.
Henneck, R.
Quemener, G.
Zsigmond, G.
Ries, D.
Komposch, S.
Mtchedlishvili, A.
Lemiere, Y.
Pignol, G.
Geltenbort, P.
Kazprzak, M.
Prashant, P. N.
Schmidt-Wellenburg, P.
Bodek, Kazimierz
Lauss, B.
Grujic, Z. D.
Afach, S.
Wyszyński, Grzegorz
Kozela, A.
Piegsa, F.
Weis, A.
Krempel, J.
Hayen, L.
Opis:: We report on the design and first tests of a device allowing for measurement of ultracold neutrons polarisation by means of the simultaneous analysis of the two spin components. The device was developed in the framework of the neutron electric dipole moment experiment at the Paul Scherrer Institute. Individual parts and the entire newly built system have been characterised with ultracold neutrons. The gain in statistical sensitivity obtained with the simultaneous spin analyser is (18.2 $\pm$ 6.1)% relative to the former sequential analyser under nominal running conditions.
Dostawca treści:: Repozytorium Uniwersytetu Jagiellońskiego

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