Jon Petter Omtvedt

Image of Jon Petter Omtvedt
Norwegian version of this page
Phone +47-22855439
Username
Visiting address Sem Sælands vei 26 0371 OSLO
Postal address Postboks 1033 0315 OSLO
Other affiliations Department of Chemistry

My Latest CV contains most resent publications.

Below is what has been registered on CRISTIN, not always completely up to date..

 

Tags: Nuclear chemistry

Publications

  • Forsberg, Ulrika; Rudolph, D; Andersson, LL; Di Nitto, A; Dullmann, Ch E; Fahlander, C; Gates, JM; Golubev, P; Gregorich, KE; Gross, CJ; Herzberg, RD; Heßberger, FP; Khuyagbaatar, J; Kratz, JV; Rykaczewski, K; Sarmiento, LG; Schädel, M; Yakushev, A; Åberg, S; Ackermann, D; Block, M; Brand, H; Carlsson, BG; Cox, D; Derkx, X; Dobaczewski, J; Eberhardt, K; Even, J; Gerl, J; Jäger, E; Kindler, B; Krier, J; Kojouharov, I; Kurz, N; Lommel, B; Mistry, A; Mokry, C; Nazarewicz, W; Nitsche, H; Omtvedt, Jon Petter; Papadakis, P; Ragnarsson, I; Runke, J; Schaffner, H; Schausten, B; Shi, Yue; Thörle-Pospiech, P; Torres, T; Traut, T; Trautmann, N; Turler, A; Ward, A; Ward, DE & Wiehl, N (2016). Recoil-α-fission and recoil-α-α-fission events observed in the reaction 48Ca + 243Am. Nuclear Physics A.  ISSN 0375-9474.  953, s 117- 138 . doi: 10.1016/j.nuclphysa.2016.04.025
  • John, Jan; Lehto, Jukka; Koivula, Teija & Omtvedt, Jon Petter (2015). Cooperation in education and training in nuclear- and radiochemistry in Europe. Journal of Radioanalytical and Nuclear Chemistry.  ISSN 0236-5731.  304(1), s 459- 466 . doi: 10.1007/s10967-014-3624-x Show summary
  • Langrock, Gert; Wiehl, Norbert; Kling, Hans-Otto; Mendel, Matthias; Nähler, Andrea; Tharun, Udo; Eberhardt, Klaus; Trautmann, Norbert; Kratz, Jens Volker; Omtvedt, Jon Petter & Skarnemark, Gunnar (2015). Digital liquid-scintillation counting and effective pulse-shape discrimination with artificial neural networks. Radiochimica Acta.  ISSN 0033-8230.  103(1), s 15- 25 . doi: 10.1515/ract-2014-2281
  • Ooe, Kazuhiro; Abdo, Mohamed Fathy Attallah; Asai, M; Goto, N; Sen Gupta, Nalinava; Haba, H.; Huang, M; Kanaya, J.; Kaneya, Y.; Kasamatsu, Y.; Kitatsuji, Y.; Kitayama, Y.; Koga, K.; Komori, Y; Koyama, T.; Kratz, J.V.; Lerum, Hans Vigeland; Miyashita, S.; Oshimi, Y.; Pershina, V; Sato, D.; Sato, T. K.; Shigekawa, Y.; Shinohara, A.; Tanaka, A.; Toyoshima, A.; Tsukada, K; Tsuto, S.; Yokokita, T.; Yokoyama, A.; Omtvedt, Jon Petter; Nagame, Y. & Schadel, M (2015). Development of a new continuous dissolution apparatus with a hydrophobic membrane for superheavy element chemistry. Journal of Radioanalytical and Nuclear Chemistry.  ISSN 0236-5731.  303(2), s 1317- 1320 . doi: 10.1007/s10967-014-3469-3 Show summary
  • Rudolph, Dirk; Forsberg, Ulrika; Golubev, Pavel; Sarmiento, Luis G.; Yakushev, Alexander; Andersson, Lise-Lotte; Di Nitto, Antonio; Düllmann, Christoph Emanuel; Gates, Jacklyn M.; Gregorich, Kenneth E.; Gross, Carl J.; Herzberg, Rolf-Dietmar; Heßberger, Fritz P.; Khuyagbaatar, Jadambaa; Kratz, Jens Volker; Rykaczewski, Krzysztof P.; Schädel, Matthias; Åberg, Sven; Ackermann, Dieter; Block, Michael; Brand, Holger; Carlsson, B. Gillis; Cox, Daniel; Derkx, Xavier; Eberhardt, Klaus; Even, Julia; Fahlander, Claes; Gerl, Jürgen; Jäger, Egon; Kindler, Birgit; Krier, Jörg; Kojouharov, Ivan M.; Kurz, Nikolaus; Lommel, Bettina; Mistry, Andrew; Mokry, Christoph; Nitsche, Heino; Omtvedt, Jon Petter; Papadakis, Philippos; Ragnarsson, Ingemar; Runke, Jörg; Schaffner, Henning; Schausten, Brigitta; Thörle-Pospiech, Petra; Torres, T.; Traut, T.; Trautmann, Norbert; Türler, Andreas; Ward, Andrew; Ward, David E. & Wiehl, Norbert (2015). Selected spectroscopic results on element 115 decay chains. Journal of Radioanalytical and Nuclear Chemistry.  ISSN 0236-5731.  303(2), s 1185- 1190 . doi: 10.1007/s10967-014-3445-y Show summary
  • Toyoshima, A.; Ooe, K.; Miyashita, S.; Asai, M; Abdo, Mohamed Fathy Attallah; Goto, N; Sen Gupta, Nalinava; Haba, H.; Huang, M; Kanaya, J.; Kaneya, Y.; Kasamatsu, Y.; Kitatsuji, Y.; Kitayama, Y.; Koga, K.; Komori, Y; Koyama, T.; Kratz, J.V.; Lerum, Hans Vigeland; Oshimi, Y.; Pershina, V; Sato, D.; Sato, T. K.; Shigekawa, Y.; Shinohara, A.; Tanaka, A.; Tsukada, K; Tsuto, S.; Yokokita, T.; Yokoyama, A.; Omtvedt, Jon Petter; Nagame, Y. & Schädel, M. (2015). Chemical studies of Mo and W in preparation of a seaborgium (Sg) reduction experiment using MDG, FEC, and SISAK. Journal of Radioanalytical and Nuclear Chemistry.  ISSN 0236-5731.  303(2), s 1169- 1172 . doi: 10.1007/s10967-014-3438-x Show summary
  • Khuyagbaatar, Jadambaa; Yakushev, A; Dullmann, CE; Ackermann, D; Andersson, LL; Asai, M; Block, M; Boll, RA; Brand, H; Cox, DM; Dasgupta, M; Derkx, X; Di Nitto, A; Eberhardt, K; Even, J; Evers, M; Fahlander, C; Forsberg, U; Gates, JM; Gharibyan, N; Golubev, P; Gregorich, KE; Hamilton, JH; Hartmann, W; Herzberg, RD; Heßberger, FP; Hinde, DJ; Hoffmann, J; Hollinger, R; Hubner, A; Jager, E; Kindler, B; Kratz, JV; Krier, J; Kurz, N; Laatiaoui, M; Lahiri, S; Lang, R; Lommel, B; Maiti, M; Miernik, K; Minami, S; Mistry, A; Mokry, C; Nitsche, H; Omtvedt, Jon Petter; Pang, GK; Papadakis, P; Renisch, D; Roberto, J; Rudolph, D; Runke, J; Rykaczewski, KP; Sarmiento, LG; Schadel, M; Schausten, B; Semchenkov, Andrey; Shaughnessy, DA; Steinegger, P; Steiner, J; Tereshatov, EE; Thorle-Pospiech, P; Tinschert, K; Torres De Heidenreich, T; Trautmann, N; Turler, A; Uusitalo, J; Ward, DE; Wegrzecki, M; Wiehl, N; Van Cleve, SM & Yakusheva, V (2014). Ca 48 + Bk 249 fusion reaction leading to element Z=117: Long-lived α -decaying Db 270 and discovery of Lr 266. Physical Review Letters.  ISSN 0031-9007.  112:172501(17) . doi: 10.1103/PhysRevLett.112.172501
  • Rudolph, D; Forsberg, U; Golubev, P; Sarmiento, LG; Yakushev, A; Andersson, L; Di Nitto, A; Dullmann, C.E.; Gates, J. M.; Gregorich, K.E.; Gross, CJ; Herzberg, RD; Hessbberger, FP; Khuyagbaatar, J; Kratz, JV; Rykaczewski, K; Schädel, M.; Åberg, S; Ackermann, D; Block, M; Brand, H; Carlsson, BG; Cox, D; Derkx, X; Eberhardt, K; Even, J; Fahlander, C; Gerl, J; Jager, E; Kindler, B; Krier, J; Kojouharov, I; Kurz, N; Lommel, B; Mistry, A; Mokry, C; Nitsche, H; Omtvedt, Jon Petter; Papadakis, P; Ragnarsson, I; Runke, J; Schaffner, H; Schausten, B; Thorle-Pospiech, P; Torres, T; Traut, T; Trautmann, N; Turler, A; Ward, A; Ward, DE & Wiehl, N (2014). Alpha-photon coincidence spectroscopy along element 115 decay chains. Acta Physica Polonica B.  ISSN 0587-4254.  45(2), s 263- 272 . doi: 10.5506/APhysPolB.45.263
  • Yakushev, Alexander; Gates, Jacklyn M.; Türler, Andreas; Schädel, Matthias; Düllmann, Christoph Emanuel; Ackermann, Dieter; Andersson, Lise-Lotte; Block, Michael; Brüchle, Willy; Dvorak, Jan; Eberhardt, Klaus; Essel, Hans G.; Even, Julia; Forsberg, Ulrika; Gorshkov, Alexander; Graeger, Reimar; Gregorich, Kenneth E.; Hartmann, Willi; Herzberg, Rolf-Dietmar; Heßberger, Fritz P.; Hild, Daniel; Hübner, Annett; Jäger, Egon; Khuyagbaatar, Jadambaa; Kindler, Birgit; Kratz, Jens Volker; Krier, Jörg; Kurz, Nikolaus; Lommel, Bettina; Niewisch, Lorenz J.; Nitsche, Heino; Omtvedt, Jon Petter; Parr, Edward; Qin, Zhi; Rudolph, Dirk; Runke, Jörg; Schausten, Brigitta; Schimpf, Erwin; Semchenkov, Andrey; Steiner, Jutta; Thörle-Pospiech, Petra; Uusitalo, Juha A.; Wegrzecki, Maciej & Wiehl, Norbert (2014). Superheavy element flerovium (Element 114) is a volatile metal. Inorganic Chemistry.  ISSN 0020-1669.  53(3), s 1624- 1629 . doi: 10.1021/ic4026766
  • Rudolph, Dirk; Forsberg, U; Golubev, P; Sarmiento, LG; Yakushev, A; Andersson, LL; Di Nitto, A; Dullmann, CE; Gates, JM; Gregorich, KE; Gross, CJ; Hessberger, FP; Herzberg, RD; Khuyagbaatar, J; Kratz, JV; Rykaczewski, K; Schadel, M; Aberg, S; Ackermann, D; Block, M; Brand, H; Carlsson, BG; Cox, D; Derkx, X; Eberhardt, K; Even, J; Fahlander, C; Gerl, J; Jager, E; Kindler, B; Krier, J; Kojouharov, I; Kurz, N; Lommel, B; Mistry, A; Mokry, C; Nitsche, H; Omtvedt, Jon Petter; Papadakis, P; Ragnarsson, I; Runke, J; Schaffner, H; Schausten, B; Thorle-Pospiech, P; Torres, T; Traut, T; Trautmann, N; Turler, A; Ward, A; Ward, DE & Wiehl, N (2013). Spectroscopy of Element 115 Decay Chains. Physical Review Letters.  ISSN 0031-9007.  111(11:112502) . doi: 10.1103/PhysRevLett.111.112502
  • Forsberg, U; Golubev, P.; Sarmiento, L.G.; Jeppsson, J.; Rudolph, D.; Andersson, L.-L.; Ackermann, D.; Asai, M; Block, M.; Eberhardt, K; Even, J.; Düllmann, Ch. E.; Dvorak, J; Gates, J. M.; Gregorich, K.E.; Herzberg, R.-D.; Hessberger, F.P.; Jäger, E.; Khuyagbaatar, J.; Kojouharov, I; Kratz, J.V.; Krier, J; Kurz, N.; Lahiri, S.; Lommel, B.; Maiti, M.; Merchan, E.; Omtvedt, Jon Petter; Parr, E.; Runke, J.; Schaffner, H; Schädel, M. & Yakushev, A (2012). FIRST EXPERIMENT AT TASCA TOWARDS X-RAY FINGERPRINTING OF ELEMENT 115 DECAY CHAINS. Acta Physica Polonica B.  ISSN 0587-4254.  43(2), s 305- 311 . doi: 10.5506/APhysPolB.43.305
  • Usoltsev, I; Eichler, R; Dressler, R; Piguet, D; Wittwer, D; Türler, Andreas; Brutsch, R; Olsen, Eivind Atle; Omtvedt, Jon Petter & Semchenkov, Andrey (2012). Preparation of Pd-based intermetallic targets for high intensity irradiations. Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment.  ISSN 0168-9002.  691, s 5- 9 . doi: 10.1016/j.nima.2012.06.060
  • Even, Julia; Ballof, J; Brüchle, Willy; Buda, R. A.; Düllmann, Christoph E.; Eberhardt, Klaus; Gorshkov, A.; Gromm, E.; Hild, Daniel; Jäger, Egon; Khuyagbaatar, J.; Kratz, Jens v.; Krier, Jörg; Liebe, D.; Mendel, Matthias; Nayak, D.; Opel, Karsten; Omtvedt, Jon Petter; Reichert, Peter; Runke, J.; Sabelnikov, Alexei; Samadani, Fereshteh; Schädel, Matthias; Schausten, B; Scheid, N.; Schimpf, E.; Semchenkov, Andrey; Thörle-Pospiech, P.; Toyoshima, A.; Türler, Andreas; Vicente Vilas, V.; Wiehl, Norbert; Wunderlich, T. & Yakushev, Alexander (2011). The recoil transfer chamber — An interface to connect the physical preseparator TASCA with chemistry and counting setups. Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment.  ISSN 0168-9002.  638(1), s 157- 164 . doi: 10.1016/j.nima.2011.02.053
  • Gates, Jacklyn; Düllmann, Christoph E.; Omtvedt, Jon Petter; Yakushev, A; Turler, A; Eberhardt, K; Kratz, JV; Ackermann, D; Andersson, LL; Block, M; Bruchle, W; Dvorak, J; Essel, HG; Ellison, PA; Even, J; Forsberg, U; Gellanki, J; Gorshkov, A; Graeger, R; Gregorich, KE; Hartmann, W; Herzberg, RD; Hessberger, FP; Hild, D; Hubner, A; Jager, E; Khuyagbaatar, J; Kindler, B; Krier, J; Kurz, N; Lahiri, S; Liebe, D; Lommel, B; Maiti, M; Nitsche, H; Omtvedt, JP; Parr, E; Rudolph, D; Runke, J; Schaffner, H; Schausten, B; Schimpf, E; Semchenkov, A; Steiner, J; Thorle-Pospiech, P; Uusitalo, J; Wegrzecki, M & Wiehl, N (2011). First superheavy element experiments at the GSI recoil separator TASCA: The production and decay of element 114 in the Pu-244(Ca-48,3-4n) reaction. Physical Review C. Nuclear Physics.  ISSN 0556-2813.  83(5) . doi: 10.1103/PhysRevC.83.054618
  • Sen Gupta, Nalinava; Wragg, David; Tilset, Mats & Omtvedt, Jon Petter (2011). 4,7,13,18-Tetraoxa-1,10-diazoniabicyclo[ 8.5.5]icosane bis(hexafluoridophosphate). Acta Crystallographica Section E: Structure Reports Online.  ISSN 1600-5368.  67 . doi: 10.1107/S1600536811025992
  • Sen Gupta, Nalinava; Wragg, David; Tilset, Mats & Omtvedt, Jon Petter (2011). 4,7,13,18-Tetraoxa-1,10-diazoniabicyclo[8.5.5]icosane hexafluoridosilicate. Acta Crystallographica Section E: Structure Reports Online.  ISSN 1600-5368.  67 . doi: 10.1107/S1600536811026006
  • Graeger, Reimar; Ackermann, Dieter; Chelnokov, M; Chepigin, V; Düllmann, Christoph E.; Dvorak, Jan; Even, Julia; Gorshkov, A.; Hessberger, F. P.; Hild, Daniel; Hübner, A.; Jäger, Egon; Khuyagbaatar, J.; Kindler, B.; Kratz, Jens v.; Krier, Jörg; Kuznetsov, A.; Lommel, B.; Nishio, K.; Nitsche, Heino; Omtvedt, Jon Petter; Petrushkin, O.; Rudolph, D.; Runke, J.; Samadani, Fereshteh; Schädel, Matthias; Schausten, B.; Türler, Andreas; Yakushev, Alexander & Zhi, Q. (2010). Experimental study of the U-238(S-36,3-5n)(269-271)Hs reaction leading to the observation of (270)Hs. Physical Review C. Nuclear Physics.  ISSN 0556-2813.  81(6) . doi: 10.1103/PhysRevC.81.061601
  • Düllmann, Christoph E.; Schädel, Matthias; Yakushev, Alexander; Türler, Andreas; Eberhardt, Klaus; Kratz, Jens v.; ackermann, dieter; Andersson, L.-L.; Block, M.; Brückle, W.; Dvorak, Jan; Essel, R.-D.; Ellison, P.A.; Even, Julia; Gates, Jacklyn; Gorshkov, A.; Graeger, R.; Gregorich, Kenneth E.; Hartmann, W.; Herzberg, R.D.; Hessberger, F.P.; Hild, Daniel; Hübner, A.; Jäger, Egon; Khuyagbaatar, J.; Kindler, B.; Krier, Jörg; Kurz, N.; Lahiri, S.; Liebe, D.; Lommel, B.; Maiti, M.; Nitsche, Heino; Omtvedt, Jon Petter; Parr, E.; Rudolph, D.; Runke, J.; Schaustein, Birgite; Schimpf, E.; Semchenkov, Andrey; Steiner, J.; Thörle-Pospiech, P.; Uusitalo, J.; Wegrzecki, M. & Wiehl, Norbert (2010). Production and Decay of Element 114: High Cross Sections and the New Nucleus (277)Hs. Physical Review Letters.  ISSN 0031-9007.  104(25) . doi: 10.1103/PhysRevLett.104.252701
  • Samadani, Fereshteh; Alstad, Jorolf; Bjørnstad, Tor; Stavsetra, Liv & Omtvedt, Jon Petter (2010). Development of a SISAK extraction system for chemical studies of element 108, hassium. Radiochimica Acta.  ISSN 0033-8230.  98(12), s 757- 764 . doi: 10.1524/ract.2010.1787
  • Omtvedt, Jon Petter (2009). Laboratorieøvelser som fjernundervisning - Erfaringer fra utvikling av det fjernstyrte laboratoriumet RoboLab, I: Susanne Anette Kjekshus Koch (red.),  Ringer i vann. Lenge leve fleksibel læring ved Universitetet i Oslo.  Fleksibel læring, UiO.  ISBN 978-82-997407-3-9.  artikkel.  s 49 - 58
  • Zheng, Li; Alstad, Jorolf; Bjørnstad, Tor; Polakova, Darina; Stavsetra, Liv & Omtvedt, Jon Petter (2008). Extraction of Nb and Ta, homolgues of Db, from sulphuric acid solutions with TOA in toluene using SISAK. Radiochimica Acta.  ISSN 0033-8230.  96 . doi: 10.1524/ract.2008.1463
  • Omtvedt, Jon Petter; Alstad, Jorolf; Bjørnstad, Tor; Düllmann, Christoph E.; Gregorich, Kenneth E.; Hoffman, Darleane C.; Nitsche, Heino; Opel, Karsten; Polakova, Darina; Samadani, Fereshteh; Schulz, Frøydis; Skarnemark, Gunnar; Stavsetra, Liv; Sudowe, Ralf & Zheng, Li (2007). Chemical properties of the transactinide elements studied in liquid phase with SISAK. European Physical Journal D : Atomic, Molecular and Optical Physics.  ISSN 1434-6060.  45(1), s 91- 97 . doi: 10.1140/epjd/e2007-00214-6
  • Omtvedt, Jon Petter; Alstad, Jorolf; Bjørnstad, Tor; Düllmann, Christoph E.; Folden, C. M.; Gregorich, Kenneth E.; Hoffman, Darleane C.; Nitsche, Heino; Polakova, Darina; Samadani, Fereshteh; Skarnemark, Gunnar; Stavsetra, Liv; Sudowe, Ralf & Zheng, Li (2006). SISAK Liquid-Liquid Extraction Studies of Rutherfordium and Future Plans to Study Heavier Transactinides, In I. May; R. Alvares & N. Bryan (ed.),  Recent Advances in Actinide Science.  RSC Publishing.  ISBN 0-85404-678-X.  artikkel med referee.  s 278 - 280
  • Pershina, V; Polakova, Darina & Omtvedt, Jon Petter (2006). Theoretical predictions of complex formation of group-4 elements Zr, Hf, and Rf in H2SO4 solutions. Radiochimica Acta.  ISSN 0033-8230.  94, s 407- 414
  • Polakova, Darina; Alstad, Jorolf; Bjørnstad, Tor; Skarnemark, Gunnar; Stavsetra, Liv; Sudowe, Ralf; Zheng, Li; Hoffman, Darleane C.; Nitsche, Heino & Omtvedt, Jon Petter (2006). Development of a System for Chemical Studies of Rutherfordium by Liquid-Liquid Extraction From Sulphuric Acid Solutions with SISAK, In I. May; R. Alvares & N. Bryan (ed.),  Recent Advances in Actinide Science.  RSC Publishing.  ISBN 0-85404-678-X.  artikkel med referee.  s 281 - 283
  • Zheng, Li; Alstad, Jorolf; Bjørnstad, Tor; Polakova, Darina; Stavsetra, Liv & Omtvedt, Jon Petter (2006). Influence of KCl on the Extraction of Rutherfordium Homologues Hafnium and Zirconium From Sulphuric Acid with Tri-Octylamine in Toluene, In I. May; R. Alvares & N. Bryan (ed.),  Recent Advances in Actinide Science.  RSC Publishing.  ISBN 0-85404-678-X.  artikkel med referee.  s 284 - 286
  • Stavsetra, Liv; Hult, Elin A. & Omtvedt, Jon Petter (2005). Real-Time Gain Shift Correction for On-Line Alpha-Liquid Scintillation Spectroscopy. Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment.  ISSN 0168-9002.  551, s 137- 143
  • Gregorich, Kenneth E.; Loveland, Walter; Peterson, D; Zielinski, P. M.; Nelson, SL; Chung, YH; Dullmann, CE; Folden, CM; Aleklett, K; Eichler, R; Hoffman, DC; Omtvedt, Jon Petter; Pang, GK; Schwantes, JM; Soverna, S; Sprunger, P; Sudowe, R; Wilson, RE & Nitsche, H (2005). Attempt to confirm superheavy element production in the Ca-48+U-238 reaction. Physical Review C. Nuclear Physics.  ISSN 0556-2813.  72
  • Stavsetra, Liv; Gregorich, KE; Alstad, Jorolf; Breivik, H; Eberhardt, K; Folden, CM; Ginter, TN; Johansson, M; Kirbach, UW; Lee, DM; Mendel, M; Omtvedt, Lone Aanerud; Patin, JB; Skarnemark, G; Sudowe, R; Wilk, PA; Zielinski, PM; Nitsche, H; Hoffman, DC & Omtvedt, Jon Petter (2005). Liquid-scintillation detection of preseparated (257)Rf with the SISAK-system. Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment.  ISSN 0168-9002.  543, s 509- 516
  • Gausemel, Håvar; Fogelberg, Birger; Engeland, Torgeir; Hjorth-Jensen, Morten; Hoff, Per; Mach, Hendryk; Mezilev, K.A. & Omtvedt, Jon Petter (2004). Decay of In-127 and In-129. Physical Review C. Nuclear Physics.  ISSN 0556-2813.  69, s art. no.- 054307
  • Gregorich, Kenneth E.; Ginter, Tom N.; Loveland, Walter; Peterson, D; Patin, Joshua B.; Folden, C. M.; Hoffman, Darleane C.; Lee, Diana M.; Nitsche, Heino; Omtvedt, Jon Petter; Omtvedt, Lone Aanerud; Stavsetra, Liv; Sudowe, Ralf; Wilk, P. A.; Zielinski, P. M. & Aleklett, Kjell (2003). Cross-section limits for the Pb-208(Kr-86,n)(293)118 reaction. European Physical Journal A.  ISSN 1434-6001.  18(4), s 633- 638
  • Johansson, Marcus; Alstad, Jorolf; Omtvedt, Jon Petter & Skarnemark, Gunnar (2003). A comparision of the extraction of carrier-free W-176,W-177 and Mo-99 with that of U, Th, Am, Cm, La, Ce, Tm, Yh, Lu and Hf into Aliquat 336 in toluene from nitric, phosphoric, and sulphuric acid media. Radiochimica Acta.  ISSN 0033-8230.  91(6), s 351- 355
  • Eberhardt, Klaus; Alstad, Jorolf; Kling, H.O.; Kratz, Jens v.; Langrock, G; Omtvedt, Jon Petter; Skarnemark, Gunnar; Stavsetra, Liv; Tharun, U; Trautmann, Norbert; Wiehl, Norbert & Wierczinski, Birgit (2002). Digital Pulse Shape Analysis in Liquid Scintillation Measurements after Continuous Chemical Separations, In Siegurd Möbius; John N. Noakes & Franz Schönhofer (ed.),  International Conference on Advances in Liquid Scintillation Spectrometry 2001.  Radiocarbon, University of Arizona, Tucson, Arizona USA.  ISBN 0-9638314-4-5.  artikkel.  s 19 - 24
  • Kirback, Uwe W.; Folden III, C.M.; Ginter, Tom N.; Gregorich, Kenneth E.; Lee, Diana M.; Ninov, Victor; Omtvedt, Jon Petter; Patin, Joshua B.; Seward, N.K.; Strellis, D. A.; Sudowe, Ralf; Türler, A.; Wilk, P. A.; Zielinski, P. M.; Hoffman, Darleane C. & Nitsche, Heino (2002). The Cryo-Thermochromatographic Separator (CTS): A new rapid separation and alpha-detection system for on-line chemical studies of hightly volatile osmium and hassium (Z=108) tetroxides. Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment.  ISSN 0168-9002.  484, s 587- 594
  • Omtvedt, Jon Petter; Alstad, Jorolf; Breivik, Hanne; Dyve, Jan Erik; Eberhardt, Klaus; Folden, C. M.; Ginter, Tom N.; Gregorich, Kenneth E.; Hult, Elin Agathe; Johansson, Marcus; Kirback, Uwe W.; Lee, Diana M.; Mendel, Matthias; Nähler, Andrea; Ninov, Victor; Omtvedt, Lone Aanerud; Patin, Joshua B.; Skarnemark, Gunnar; Stavsetra, Liv; Sudowe, Ralf; Wiehl, Norbert; Wierczinski, Birgit; Wilk, B; Zielinski, P. M.; Kratz, Jens v.; Trautmann, Norbert; Nitsche, Heino & Hoffman, Darleane C. (2002). SISAK Liquid-Liquid Extraction Experiments with Preseparated 257Rf. Journal of Nuclear and Radiochemical Sciences.  ISSN 1345-4749.  3, s 121- 125
  • Skarnemark, Gunnar; Alstad, Jorolf; Eberhardt, Klaus; Gregorich, Kenneth E.; Hoffman, Darleane C.; Johansson, Marcus; Kirback, Uwe W.; Langrock, G; Mendel, Matthias; Ninov, Victor; Nitsche, Heino; Nähler, Andrea; Omtvedt, Jon Petter; Omtvedt, Lone Aanerud; Stavsetra, Liv; Sudowe, Ralf; Trautmann, Norbert & Wiehl, Norbert (2002). Application of SISAK for fast continuos solvent extraction processes to study exotic nuclides, In K. C. Sole; Philip Cole; J.S. Preston & D.J. Robinson (ed.),  Proceeding of the international Solvent Extraction Conference ISEC 2002.  South African Institute of Mining and Metallurgy.  ISBN 1-919783-24-5.  extended abstract.  s 1199 - 1204
  • Stavsetra, Liv & Omtvedt, Jon Petter (2002). Detection of Transactinides with alpha-Liquid Scintillation, In Siegurd Möbius; John N. Noakes & Franz Schönhofer (ed.),  International Conference on Advances in Liquid Scintillation Spectrometry 2001.  Radiocarbon, University of Arizona, Tucson, Arizona USA.  ISBN 0-9638314-4-5.  artikkel.  s 25 - 33
  • Omtvedt, Jon Petter; Stavsetra, Liv & LBNL Heavy Element Group, - (2001). BGS-SISAK transport-time improvements and SISAK Chemistry Experiments with 257Rf, In Yuen-Dat Chan & Howard Matis (ed.),  Nuclear Science Division 2001 Annual Report.  Lawrence Berkeley National Laboratory.
  • Wierczinski, Birgit; Gregorich, Kenneth E.; Kadkhodayan, B.; Lee, Diana M.; Beauvais, L.G.; Hendricks, M.B.; Kacher, C.D.; Hoffman, Darleane C.; Malmbeck, Rikard; Skarnemark, Gunnar; Alstad, Jorolf; Omtvedt, Jon Petter; Eberhardt, Klaus; Mendel, Matthias; Nähler, Andrea & Trautmann, Norbert (2001). First chemical on-line separation and detection of a subsecond alpha-decaying nuclide, 224Pa. Journal of Radioanalytical and Nuclear Chemistry.  ISSN 0236-5731.  247(1), s 57- 60
  • Malmbeck, Rikard; Skarnemark, Gunnar; Alstad, Jorolf; Fure, Kristin; Johansson, Marcus & Omtvedt, Jon Petter (2000). Chemical separation procedure proposed for studies of bohrium. Journal of Radioanalytical and Nuclear Chemistry.  ISSN 0236-5731.  246(2), s 349- 353
  • John, Jan; Retegan, Teodora; Lehto, Jukka; Omtvedt, Jon Petter & Skipperud, Lindis (2016). CINCH–II Project – A Milestone in the Coordination of Education and Training in Nuclear- and Radiochemistry in Europe.
  • Lerum, Hans Vigeland; Bouzga, Aud Mjærum; Jørgensen, Sissel; Petersen, Dirk; Eriksen, Dag Øistein; Hansen, Eddy Walther; Omtvedt, Jon Petter & Wibetoe, Grethe (2016). LIQUID-LIQUID EXTRACTION OF CADMIUM CHLORIDE COMPLEXES STUDIED BY NMR.
  • Lerum, Hans Vigeland; Bouzga, Aud Mjærum; Jørgensen, Sissel; Petersen, Dirk; Eriksen, Dag Øistein; Hansen, Eddy Walther; Omtvedt, Jon Petter & Wibetoe, Grethe (2016). Study of cadmium extraction from aqueous solutions with high chloride concentration using radiotracer and NMR.
  • Lehto, Jukka; Omtvedt, Jon Petter; Popic, Jelena Mrdakovic; Nemec, Mojmir & Koivula, Teija (2015). Workshop on Nuclear Chemistry Education and Training in Europe, CINCH-II Deliverable D4.5.
  • Retegan, Teodora; Ekeberg, Christian; John, Jan; Cuba, Vaclav; Nemec, Mojmir; Lehto, Jukka; Koivula, Teija; Scully, Paul J.; Walther, Clemens; Evans, Nick; Skipperud, Lindis; Salbu, Brit; Ansoborlo, Eric & Omtvedt, Jon Petter (2015). Cooperation in Education and Training in Nuclear and Radiochemistry in Europe – A Continuous Process.
  • John, Jan; Cuba, Vaclav; Nemec, Mojmir; Retegan, Teodora; Ekeberg, Christian; Lehto, Jukka; Koivula, Teija; Scully, Paul J.; Walther, Clemens; Evans, Nick; Read, David; Ansoborlo, Eric; Hanson, Bruce; Salbu, Brit; Skipperud, Lindis & Omtvedt, Jon Petter (2014). Cooperation in Education and Training in Nuclear- and Radiochemistry in Europe.
  • Bjørnstad, Tor; Eriksen, Dag Øystein & Omtvedt, Jon Petter (2013). Radiochemistry and hydrometallurgy - two synergetic fields.
  • John, Jan; Retegan, Teodora; Lehto, Jukka; Koivula, Teija; Scully, Paul J.; Walther, Clemens; Evans, Nick; Read, David; Ansoborlo, Eric; Hanson, Bruce; Skipperud, Lindis; Salbu, Brit & Omtvedt, Jon Petter (2013). Next step in the coordination of education in nuclear and radiochemistry in Europe.
  • John, Jan; Retegan, Teodora; Lehto, Jukka; Omtvedt, Jon Petter & Skipperud, Lindis (2013). CINCH-II: Next step in the coordination of education in nuclear and radiochemistry in Europe.
  • John, Jan; Vaclav, Cuba; Nemec, Mojmir; Retegan, Teodora; Ekeberg, Christian; Lehto, Jukka; Koivula, Teija; Kalmykov, Stepan; Cote, Gerard; Scully, Paul J.; Hanson, Bruce; Salbu, Brit; Skipperud, Lindis & Omtvedt, Jon Petter (2013). Coordination of Education in Nuclear And Radiochemistry In Europe.
  • Wærsted, Frøydis Meen; Omtvedt, Jon Petter; Wibetoe, Grethe & Vogt, Rolf David (2013). The role of particles and phosphorus bound to particles in eutrophication.
  • Omtvedt, Jon Petter; Alstad, Jorolf; Bjørnstad, Tor; Dullmann, C.E.; Gregorich, K.E.; Gupta, N.S.; Nilssen, Johannes; Nitsche, Heino; Samadani, Fereshteh; Schädel, Matthias & Schulz, Frøydis (2010). Superheavy Element Chemistry with SISAK.
  • Samadani, Fereshteh; Alstad, Jorolf; Schulz, Frøydis; Nilssen, Johannes; Omtvedt, Jon Petter; Ottesen, Heidi B.; Qureshi, S.; Düllmann, Christoph E.; Gates, Jacklyn; Jäger, Egon; Khuyagbaatar, J.; Krier, Jörg; Schädel, Matthias; Schaustein, B.; Eberhardt, Klaus; Even, Julia; Hild, Daniel; Kratz, Jens v.; Roth, Christine; Wiehl, Norbert; Türler, Andreas; Yakushev, Alexander & Große, Katrin (ed.) (2010). Pilot-Test Experiment with Os of a SISAK Setup for Hs-Chemistry Studies.
  • Samadani, Fereshteh; Omtvedt, Jon Petter & Bjørnstad, Tor (2010). Liquid Chemistry of Hassium Tetroxide using Osmium in Model Experiments with SISAK.
  • Jemterud, Torkild; Rose, Sunniva & Omtvedt, Jon Petter (2008, 19. desember). Verdt å vite 2008-12-19. [Radio].  NRK P2.
  • Omtvedt, Jon Petter (2008). Hvordan får vi energi fra thorium?. Naturfag.  ISSN 1504-4564.  1, s 28- 32 Show summary
  • Omtvedt, Jon Petter (2008). Kjernekraft fra thorium.
  • Omtvedt, Jon Petter (2008). Recent developments in automated liquid-liquid extraction studies of transactinide elements. Show summary
  • Omtvedt, Jon Petter (2008). Thorium og kjernekraft - trenger Norge slik kompetanse?.
  • Omtvedt, Jon Petter & Helgesen, Ole K. (2008, 14. februar). Spenning om thorium.  Teknisk ukeblad.
  • Omtvedt, Jon Petter & Strande, Mona (2008, 21. februar). Norge må forske på kjernekraft.  Teknisk ukeblad.
  • Omtvedt, Jon Petter & Sæther, Jens Marius Sæther (2008, 29. januar). Klart for atomkamp på tinget.  Dagsavisen.
  • Stølen, Svein; Gorbitz, Carl Henrik; Omtvedt, Jon Petter & Ødegaard, Knut Jørgen Røed (2008, 25. februar). Verdt å vite spesial: Grunnstoffene og periodesystemet. [Radio].  NRK P2.
  • Düllmann, Christoph E.; ackermann, dieter; brüchle, willie; Hessberger, F. P.; Jäger, Egon; Khuyagbaatar, J; Schädel, Matthias; Schausten, B; Schimpf, E; schött, H.-J.; Semchenkov, Andrey; Dvorak, Jan; Gorshkov, A.; schuber, r.; türler, andy; Yakushev, Alexander; Eberhardt, Klaus; Hummrich, Holger; Kratz, Jens v.; Omtvedt, Jon Petter; Opel, Karsten; Gates, J. M.; Gregorich, Kenneth E.; Dressler, R; Eichler, Robert & Gan, Z (2007). TASCA Recoil Transfer Chamber Commissioning. 1. Small Image Mode.
  • Omtvedt, Jon Petter (2007). Fast and continuous liquid-liquid extraction with the computer controlled SISAK system.
  • Opel, Karsten; Akermann, Dieter; Brüchle, Willy; Dressler, R; Düllmann, Christoph E.; Dvpral, K; Eberhardt, Klaus; Eichler, R; Even, J; Gan, Z; Gates, J. M.; Gorshkov, A; Gregorich, Kenneth E.; Hessberger, F. P.; Hummrich, H; Jäger, E; Khuyagbaatar, J; Kratz, Jens v.; Omtvedt, Jon Petter; Sabelnikov, Alexey & Samadani, Fereshteh (2007). Recoil Transfer Chamber Design at TASCA.
  • Opel, Karsten & Omtvedt, Jon Petter (2007). New Control System for SISAK.
  • pershina, valeria; Polakova, Darina & Omtvedt, Jon Petter (2007). Theoretical Predictions of Complex Formation of Group-4 Elements Zr, Hf, and Rf in H2SO4 Solutions - GSI report. GSI : scientific report. 1.
  • Samadani, Fereshteh & Omtvedt, Jon Petter (2007). Developing a SISAK extraction system for chemical study of element 108, hassium.
  • Semchenkov, Andrey; ackermann, dieter; Brüchle, W.; Düllmann, Christoph E.; Jäger, Egon; Schimpf, E; Schädel, Matthias; Dvorak, Jan; schuber, r.; Türler, Andreas; Yakushev, Alexander; Gregorich, Kenneth E.; Leino, M; Uusitalo, J & Omtvedt, Jon Petter (2007). First TASCA Commissioning Experiments in the Small Image Size Mode. GSI : scientific report. 1.
  • Yakushev, Alexander; Dvorak, Jan; andrey, semchenkov; Türler, Andreas; ackermann, dieter; brüchle, willie; Düllmann, Christoph E.; Jäger, Egon; Schädel, Matthias; Schausten, B; Schimpf, E; Hummrich, Holger; Kratz, Jens v.; Gregorich, Kenneth E.; Omtvedt, Jon Petter; Opel, Karsten & Eichler, Robert (2007). Window Design for the TASCA Recoil Transfer Chamber (RTC).
  • Zheng, Li; Omtvedt, Jon Petter; Alstad, Jorolf & Bjørnstad, Tor (2007). Preparation for Liquid-Liquid Extraction Studies of Dubnium Using Homologue Models with the SISAK System.
  • Vogt, Rolf David; Solomonova, Polina; Gjessing, Egil & Omtvedt, Jon Petter (2006). Preparative gel fractionation of NOM for ecological studies - The fate of mercury in aquatic ecosystems. Show summary
  • Omtvedt, Jon Petter; Alstad, Jorolf; Bjørnstad, Tor; Dullmann, C.E.; Folden III, C.M.; Gregorich, K.E.; Hoffmann, D.C.; Nitsche, H.; Opel, Karsten; Polakova, Darina; Samadani, Fereshteh; Skarnemark, Gunnar; Stavsetra, Liv; Sudowe, R. & Zheng, Li (2006). “Chemical Properties of the Transactinide Elements Studied in Liquid Phase with SISAK”,.
  • Omtvedt, Jon Petter & Hammerfjeld, Jon R. (2006, 18. oktober). Lagde verdens tyngste grunnstoff.  Dagbladet.no.
  • Samadani, Fereshteh; Omtvedt, Jon Petter & Bjørnstad, Tor (2006). Developing a SISAK extraction system for studies of element 108, hassium. Show summary
  • Zheng, Li; Alstad, Jorolf; Bjørnstad, Tor; Polakova, Darina; Stavsetra, Liv & Omtvedt, Jon Petter (2006). ”Influence of KCl on the extraction of rutherfordium homologues hafnium and zirconium from sulphuric acid with tri-octylamine in toluene”,.
  • Omtvedt, Jon Petter (2005). OCL@SAFE: Transactinide homologues available at the Oslo Cyclotron Laboratory for model studies.
  • Omtvedt, Jon Petter (2005). SISAK Liquid‐Liquid Extraction Studies of Rutherfordium and Future Plans to Study Heavier Transactinides.
  • Omtvedt, Jon Petter (2005). SISAK beyound Rf - Plans for Studies of Heavier Transactinides.
  • Polakova, Darina; Alstad, Jorolf; Bjørnstad, Tor; Skarnemark, Gunnar; Stavsetra, Liv; Sudowe, Ralf; Zheng, Li; Hoffman, Darleane C.; Nitsche, Heino & Omtvedt, Jon Petter (2005). Development of a System for Chemical Studies of Rutherfordium by Liquid‐Liquid Extraction from Sulphuric Acid Solutions with SISAK.
  • Polakova, Darina & Omtvedt, Jon Petter (2005). Liquid-Liquid Extraction of Rf from H2SO4 with TOA.
  • Samadani, Fereshteh & Omtvedt, Jon Petter (2005). Plans for Liquid-Liquid Extraction Studies of Hassium.
  • Stavsetra, Liv & Omtvedt, Jon Petter (2005). Achievements using the continuous SISAK alpha-liquid scintillation technique, and its application in detection of 257Rf atoms.
  • Zheng, Li; Alstad, Jorolf; Bjørnstad, Tor; Polakova, Darina; Stavsetra, Liv & Omtvedt, Jon Petter (2005). Influence of KCl on the Extraction of Rutherfordium Homologues Hafnium and Zirconium from Sulphuric Acid with Tri‐Octylamine in Toluene.
  • Zheng, Li & Omtvedt, Jon Petter (2005). Plans for Liquid-Liquid Extraction Studies of Dubnium.
  • Omtvedt, Jon Petter (2003). SISAK Chemistry Experiments with BGS Activity Present and Future Plans.
  • Omtvedt, Jon Petter (2003). Transactinide Research with Liquid-Liquid Extraction (the SISAK system).
  • Stavsetra, Liv; Alstad, Jorolf; Nitsche, Heino; Hoffman, Darleane C. & Omtvedt, Jon Petter (2003). Investigation of alpha-Electron Coincidences in Data from Liquid Scintillation Detection.
  • Omtvedt, Jon Petter (2002). SISAK Liquid-Liquid Extraction Experiment with Preseparated 257Rf.
  • Stavsetra, Liv & Omtvedt, Jon Petter (2002). Detection of Transactinides with alpha-Liquid Scintillation.
  • Omtvedt, Jon Petter; Alstad, Jorolf; Breivik, Hanne; Dyve, Jan Erik; Eberhardt, Klaus; Folden, C. M.; Ginter, Tom N.; Gregorich, Kenneth E.; Hult, Elin Agathe; Johansson, Marcus; Kirback, Uwe W.; Lee, Diana M.; Mendel, Matthias; Nähler, Andrea; Ninov, Victor; Omtvedt, Lone Aanerud; Patin, Joshua B.; Skarnemark, Gunnar; Stavsetra, Liv; Sudowe, Ralf; Wiehl, Norbert; Wierczinski, Birgit; Wilk, B; Zielinski, P. M.; Kratz, Jens v.; Trautmann, Norbert; Nitsche, Heino & Hoffman, Darleane C. (2001). SISAK extraction experiments using preseparated 257Rf.
  • Omtvedt, Jon Petter; Alstad, Jorolf; Eberhardt, Klaus; Johansson, Marcus; Mendel, Matthias; Nähler, Andrea; Skarnemark, Gunnar; Omtvedt, Lone Aanerud; Stavsetra, Liv; Wiehl, Norbert; Trautmann, Norbert; Gregorich, Kenneth E.; Hoffman, Darleane C.; Nitsche, Heino; Sudowe, Ralf & Kirback, Uwe W. (2001). Detection of 257Rf with the SISAK On-Line Liquid Scintillation Detectors. Nuclear Science Division Annual Report 2000. -1.
  • Omtvedt, Jon Petter; Alstad, Jorolf; Stavsetra, Liv; Omtvedt, Lone Aanerud; Skarnemark, Gunnar; Trautmann, Norbert; Nitsche, Heino & Hoffman, Darleane C. (2001). Liquid-Liquid Extraction of 257Rf with the SISAK system as a Rf(Nitrate)(Dibutyl-Phosphate) Complex. Nuclear Science Division Annual Report 2000. -1.
  • Omtvedt, Lone Aanerud; Stavsetra, Liv; Sudowe, Ralf & Omtvedt, Jon Petter (2001). Extraction of Zr and Hf into Trioctylamine in Toluene from Oxalic Acid Solutions. Nuclear Science Division Annual Report 2000. -1.
  • Kirback, Uwe W.; Nitsche, Heino; Folden III, C.M.; Ginter, Tom N.; Gregorich, Kenneth E.; Hoffman, Darleane C.; Lee, Diana M.; Ninov, Victor; Omtvedt, Jon Petter; Patin, Joshua B.; Seward, N.K.; Sudowe, Ralf; Wilk, P. A. & Zielinski, P. M. (2001). The Cryo-Thermochromatographic Separator (CTS): A new detection and separation system for highly volatile osmium and hassium (element 108) tetroxides.
  • Omtvedt, Jon Petter (2001). Chemical Studies of Transactinides with SISAK Coupled to the Berkeley Gas-filled Separator.
  • Omtvedt, Jon Petter (2001). Chemical Studies of the Transactinides with SISAK.
  • Omtvedt, Jon Petter (2001). History of Nuclear Chemistry in Norway.
  • Omtvedt, Jon Petter (2000). Liquid-liquid extraction and liquid-scintillation counting as tools in probing the chemical properties of the heaviest elements.
Published Oct. 13, 2016 4:16 PM