Search Results - "Lachner, J"

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    The ETH Zurich AMS facilities: Performance parameters and reference materials by Christl, M., Vockenhuber, C., Kubik, P.W., Wacker, L., Lachner, J., Alfimov, V., Synal, H.-A.

    “…The current performance of all three AMS systems in operation at ETH Zurich, the 6MV HVEC EN-Tandem facility “TANDEM”, the 0.5MV NEC Pelletron “TANDY”, and the…”
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    East-to-west human dispersal into Europe 1.4 million years ago by Garba, R., Usyk, V., Ylä-Mella, L., Kameník, J., Stübner, K., Lachner, J., Rugel, G., Veselovský, F., Gerasimenko, N., Herries, A. I. R., Kučera, J., Knudsen, M. F., Jansen, J. D.

    Published in Nature (London) (28-03-2024)
    “…Stone tools stratified in alluvium and loess at Korolevo, western Ukraine, have been studied by several research groups 1 – 3 since the discovery of the site…”
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    233U/236U signature allows to distinguish environmental emissions of civil nuclear industry from weapons fallout by Hain, K., Steier, P., Froehlich, M. B., Golser, R., Hou, X., Lachner, J., Nomura, T., Qiao, J., Quinto, F., Sakaguchi, A.

    Published in Nature communications (09-03-2020)
    “…Isotopic ratios of radioactive releases into the environment are useful signatures for contamination source assessment. Uranium is known to behave…”
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    The potential of He stripping in heavy ion AMS by Vockenhuber, C., Alfimov, V., Christl, M., Lachner, J., Schulze-König, T., Suter, M., Synal, H.-A.

    “…The use of helium as a stripper gas for Accelerator Mass Spectrometry (AMS) measurements of heavy ions is presented. At ion stripping energies of about 500keV…”
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    Search for beta-delayed proton emission from 11Be by Riisager, K., Borge, M. J. G., Briz, J. A., Carmona-Gallardo, M., Forstner, O., Fraile, L. M., Fynbo, H. O. U., Camacho, A. Garzon, Johansen, J. G., Jonson, B., Lund, M. V., Lachner, J., Madurga, M., Merchel, S., Nacher, E., Nilsson, T., Steier, P., Tengblad, O., Vedia, V.

    “…We report on an attempt to reproduce the observation of β - -delayed proton emission from 11 Be through detection of the final state nucleus 10 Be with…”
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    A first transect of 236U in the North Atlantic Ocean by Casacuberta, N., Christl, M., Lachner, J., van der Loeff, M. Rutgers, Masqué, P., Synal, H.-A.

    Published in Geochimica et cosmochimica acta (01-05-2014)
    “…In this study the first comprehensive dataset of 236U in the North Atlantic Ocean is presented. 236U/238U ratios and 236U concentrations are determined in…”
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    Zr/Nb isobar separation experiment for future 93Zr AMS measurement by Lu, W., Anderson, T., Bowers, M., Bauder, W., Collon, P., Kutschera, W., Kashiv, Y., Lachner, J., Martschini, M., Ostdiek, K., Robertson, D., Schmitt, C., Skulski, M., Steier, P.

    “…93Zr (t1/2=1.6Ma) is mostly produced by the main s-process in low-to-intermediate mass AGB stars. Large uncertainty exists in the current 92Zr(n,γ)93Zr…”
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    Correction of Over-the-Air Transmit and Receive Wireless Device Performance Errors Due to Displaced Antenna Positions in the Measurement Coordinate System by Hamberger, Gerhard F., Anton, Juan-Angel, Lachner, Simon J., Derat, Benoit

    “…Over-the-air (OTA) performance evaluation for wireless devices require electromagnetic field measurements in the far-field (FF). This is typically achieved by…”
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    Maxillomandibular advancement surgery in 23 patients with obstructive sleep apnea syndrome by Waite, P D, Wooten, V, Lachner, J, Guyette, R F

    Published in Journal of oral and maxillofacial surgery (01-12-1989)
    “…Twenty-three patients with obstructive sleep apnea syndrome (OSAS) documented by polysomnography underwent maxillomandibular advancement via Le Fort I, and…”
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    Element separation chemistry and cosmogenic 10Be dating of a ferromanganese crust by Koll, D., Wallner, A., Battisson, S., Fichter, S., Fifield, L.K., Froehlich, M.B., Lachner, J., Merchel, S., Pavetich, S., Rugel, G., Slavkovská, Z., Tims, S.G., Ziegenrücker, R.

    “…Oceanic archives are contemporary witnesses of Earth’s recent astrophysical history by incorporating extraterrestrial radionuclides. VA13/2-237KD is one of the…”
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    10Be low-energy AMS with the passive absorber technique by Scognamiglio, G., Lachner, J., Chamizo, E., López-Gutiérrez, J.M., Priller, A.

    “…The passive absorber technique is one of the most common ways to suppress the 10B interference during 10Be measurements at facilities working with beam…”
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    A first transect of super(236)U in the North Atlantic Ocean by Casacuberta, N, Christl, M, Lachner, J, van der Loeff, MRutgers, Masque, P, Synal, H-A

    Published in Geochimica et cosmochimica acta (01-05-2014)
    “…In this study the first comprehensive dataset of super(236)U in the North Atlantic Ocean is presented. super(236)U/ super(238)U ratios and super(236)U…”
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