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Browsing Faculty of Natural Sciences@PUK by Title

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  • Patterson, V.A.; Krieg, H.M.; Kriek, R.J.; Bisset, H. (Elsevier, 2006)
    In-house manufactured tubular ceramic supports prepared by centrifugal casting have a smooth inside surface and are ideal for thin defect-free coatings. The aim of this study was to directly coat a thin defect-free titania ...
  • Acero, F.; Aharonian, F.; Anton, G.; Becherini, Y.; Behera, B.; Bernlöhr, K.; Bochow, A.; Boisson, C.; Bolmont, J.; Borrel, V.; Boutelier, T.; Brucker, J.; Brun, F.; Brun, P.; Bühler, R.; Bulik, T.; Busching, Ingo; Charbonnier, A.; Cheesebrough, A.; Chounet, L.M.; Clapson, A.C.; Coignet, G.; Dalton, M.; Daniel, M.K.; Davids, Isak Delberth; De Jager, Ocker Cornelis; De Naurois, M.; De Oña Wilhelmi, E.; Degrange, B.; Deil, C.; Dickinson, H.J.; Djannati-Ataï, A.; Domainko, W.; Drury, .LO'C.; Dubois, F.; Dubus, G.; Dyks, J.; Dyrda, M.; Egberts, K.; Emmanoulopoulos, D.; Espigat, P.; Farnier, C.; Feinstein, F.; Fiasson, A.; Fontaine, G.; Förster, A.; Füßling, M.; Gabici, S.; Gallant, Y.A.; Gérard, L.; Gerbig, D.; Giebels, B.; Glicenstein, J.F.; Glück, B.; Goret, P.; Göring, D.; Hauser, D.; Hauser, M.; Heinz, S.; Heinzelmann, G.; Henri, G.; Hermann, G.; Hinton, J. A.; Hoffmann, A.; Hofmann, W.; Holleran, Mathew; Hoppe, S.; Horns, D.; Jacholkowska, A.; Jahn, C.; Jung, I.; Katarzyński, K.; Katz, U.; Kaufmann, S.; Keogh, D.; Kerschhaggl, M.; Khangulyan, D.; Khélifi, B.; Klochkov, D.; Kluźniak, W.; Kneiske, T.; Komin, N.U.; Kosack, K.; Kossakowski, R.; Lamanna, G.; Lenain, J.-P.; Lohse, T.; Marandon, V.; Marcowith, A.; Martineau-Huynh, O.; Masbou, J.; Maurin, D.; Mccomb, T.J.L.; Medina, M.C.; Méhault, J.; Moderski, R.; Moulin, E.; Naumann-Godo, M.; Nedbal, D.; Nekrassov, D.; Nicholas, B.; Niemiec, J.; Nolan, S. J.; Ohm, S.; Olive, J. F.; Orford, K. J.; Ostrowski, M.; Panter, M.; Paz Arribas, M.; Pedaletti, G.; Pelletier, G.; Petrucci, P.O.; Pita, S.; Pühlhofer, G.; Punch, M.; Quirrenbach, A.; Raubenheimer, Barend Christoffel; Raue, M.; Rayner, S.M.; Reimer, O.; Renaud, M.; Rieger, F.; Ripken, J.; Rob, L.; Rosier-Lees, S.; Rowell, G.; Rudak, B.; Rulten, C. B.; Ruppel, J.; Sahakian, V.; Santangelo, A.; Schlickeiser, R.; Schöck, F. M.; Schwanke, U.; Schwarzburg, S.; Schwemmer, S.; Shalchi, A.; Sikora, M.; Skilton, J.L.; Sol, H.; Stawarz, L.; Steenkamp, R.; Stegmann, C.; Stinzing, F.; Superina, G.; Szostek, A.; Tam, P.H.; Tavernet, J.P.; Terrier, R.; Tibolla, O.; Tluczykont, M.; Van Eldik, C.; Vasileiadis, G.; Venter, Christo; Venter, L.; Vialle, J.P.; Vincent, P.; Vivier, M.; Völk, H.J.; Volpe, F.; Wagner, S.J.; Ward, M.; Zdziarski, A.A.; Zech, A.; Akhperjanian, A.G; Bazer-bachi, A.R.; Barres de Almeida, U.; Chadwick, P.M.; Chaves, R.C.G. (EDP Sciences, 2011)
    Context. The detection of gamma-rays in the very-high-energy (VHE) range (100 GeV−100 TeV) offers the possibility of studying the parent population of ultrarelativistic particles found in astrophysical sources, so it is ...
  • De Jager, Ocker C; Raubenheimer, Barend; Holleran, Mathew; Büsching, I; Aharonian, F; Venter, C (EDP Sciences, 2008)
  • Abramowski, A.; Acero, F.; Aharonian, F.; Akhperjanian, A. G.; Sheidaei, F.; Venter, Christo; Büsching, Ingo; De Jager, Ocker Cornelis; Vorster, M (EDP Science, 2012)
    Aims. Results obtained in very-high-energy (VHE; E≥100GeV) γ-ray observations performed with the H.E.S.S. telescope array are used to investigate particle acceleration processes in the vicinity of the young massive stellar ...
  • Abramowski, A.; Acero, F.; Aharonian, F.; Akhperjanian, A. G.; Pekeur, Nicolette Whilna; Sheidaei, F.; Tavernet, J. P.; Venter, Christo; Vorster, Michael Johannes; De Jager, Ocker Cornelis (2012)
    We present the significant detection of the first extragalactic pulsar wind nebula (PWN) detected in gamma rays, N 157B, located in the large Magellanic Cloud (LMC). Pulsars with high spin-down luminosity are found to power ...
  • Raubenheimer, Barend; Venter, Christo; Busching, I; Holleran, Mathew; De Jager, Ocker (IOP Publishing Limited, 2009)
  • Abramowski, A.; Acero, F.; Aharonian, F.; Akhperjanian, A. G.; Sheidaei, F.; Venter, Christo; Vorster, Michael Johannes; Büsching, Ingo; De Jager, Ocker Cornelis (EDP Science, 2012)
    Context. 1ES 0414 + 009 (z = 0.287) is a distant high-frequency-peaked BL Lac object, and has long been considered a likely emitter of very-high-energy (VHE, E > 100 GeV) γ-rays due to its high X-ray and radio flux. Aims. ...
  • Abdo, A A; Ackermann, M; Baldini, L; Bloom, E D; Porter, T A; Claus, R; Venter, Christo; Johannesson, G; Pelassa, V; Smith, D A (Institution of Physics (IOP), 2010)
  • Abdo, A.A.; Ackermann, M.; Ajello, M.; Allafort, A.; Venter, C. (IOP Publishing, 2010)
    Millisecond pulsars (MSPs) have been firmly established as a class of γ-ray emitters via the detection of pulsations above 0.1 GeV from eight MSPs by the Fermi Large Area Telescope (LAT). Using 13 months of LAT data, ...
  • Venter, Christo; Vorster, Michael Johannes; Büsching, Ingo; De Jager, Ocker Cornelis (EDP Sciences, 2011)
    Context. Several newly discovered very-high-energy (VHE; E > 100 GeV) γ-ray sources in the Galaxy are thought to be associated with energetic pulsars. Among them, middle-aged (≳104 yr) systems exhibit large centre-filled ...
  • Venter, Christo (IOP Publishing, 2011)
    We report the discovery of two millisecond pulsars in a search for radio pulsations at the positions of Fermi-Large Area Telescope sources with no previously known counterparts, using the Nan¸cay Radio Telescope. The two ...
  • Cognard, I.; Guillemot, L.; Johnson, T.J.; Smith, D.A.; Venter, C. (IOP Publishing, 2011)
    We report the discovery of two millisecond pulsars in a search for radio pulsations at the positions of Fermi-Large Area Telescope sources with no previously known counterparts, using the Nan¸cay Radio Telescope. The two ...
  • Aharonian, F; Raubenheimer, Barend; Venter, Christo; Holleran, Mathew; Büsching, I; De Jager, Ocker (EDP sciences, 2008)
  • Aharonian, F; Venter, Christo; Holleran, Mathew; Büsching, I; Raubenheimer, Barend (EDP sciences, 2008)
  • Aharonian, F; Venter, Christo; Busching, I; Holleran, Mathew; De Jager, Ocker; Raubenheimer, Barend (IOP Publishing Limited, 2009)
  • Abramowski, A.; Acero, F.; Aharonian, F.; Akhperjanian, A. G.; Casanova, S.; Pekeur, Nicolette Whilna; Sheidaei, F.; Venter, Christo; Vorster, Michael Johannes; Büsching, Ingo; De Jager, Ocker Cornelis (EDP Science, 2012)
    The Carina arm region, containing the supernova remnant SNR G284.3–1.8, the high-energy (HE; E > 100 MeV) binary 1FGL J1018.6–5856 and the energetic pulsar PSR J1016–5857 and its nebula, has been observed with the H.E.S.S. ...
  • Aharonian, F; Raubenheimer, Barend; Venter, Christo; Holleran, Mathew; Büsching, I; De Jager, Ocker (EDP sciences, 2008)
  • Abramowski, A.; Acero, F.; Aharonian, F.; Akhperjanian, A. G.; Cologna, G.; Hauser, M.; Kaufmann, S.; Mohamed, M.; Quirrenbach, A.; Schwemmer, S.; Lenain, J-P.; Wagner, S.J. (EDP Science, 2012)
    1RXS J101015.9 − 311909 is a galaxy located at a redshift of z = 0.14 hosting an active nucleus (called AGN) belonging to the class of bright BL Lac objects. Observations at high (HE, E > 100 MeV) and very high (VHE, E > ...
  • Aharonian, F; Schwarzburg, S; Van Eldik, C; Förster, A; Venter, Christo; Vivier, M; Völk, H J; Busching, Ingo; Hermann, G; Hoffmann, A (EDP Sciences, 2010)
  • Van Zyl, Pieter; Pienaar, J J (Kobus); Nothnagel, Carien; Kotte, Karstens; Beukes, J P (Vaal Triangle Faculty of Northwest University, 2008)
    An important step in urban purification of drinking water is disinfection by e.g. chlorination where potential pathogenic micro-organisms in the water supply are killed. The presence of organic material in natural water ...

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