Universität zu Köln

Journal Article

Karayonchev, V, Stoyanova, M., Rainovski, G., Jolie, J., Blazhev, A., Djongolov, M., Esmaylzadeh, A., Fransen, C., Gladnishki, K., Knafla, Lukas ORCID: 0000-0001-7926-4639, Kocheva, D., Kornwebel, L., Regis, J-M, De Gregorio, G. and Gargano, A. (2021). Lifetimes and structures of low-lying negative-parity states of Po-209. Phys. Rev. C, 103 (4). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9993

Esmaylzadeh, A., Karayonchev, V, Haefner, G., Jolie, J., Beckers, M., Blazhev, A., Dewald, A., Fransen, C., Goldkuhle, A., Knafla, Lukas ORCID: 0000-0001-7926-4639 and Mueller-Gatermann, C. (2021). Triaxiality in the mid-shell nucleus Pd-112. Phys. Rev. C, 103 (5). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9993

Haefner, G., Esmaylzadeh, A., Jolie, J., Regis, J. -M., Mueller-Gatermann, C., Blazhev, A., Fransen, C., Gerst, R. -B., Karayonchev, V., Knafla, Lukas ORCID: 0000-0001-7926-4639, Saed-Samii, N. and Zell, K. -O. (2021). Lifetime measurements in Pt-182 using gamma-gamma fast-timing. Eur. Phys. J. A, 57 (5). NEW YORK: SPRINGER. ISSN 1434-601X

Esmaylzadeh, A., Karayonchev, V, Nomura, K., Jolie, J., Beckers, M., Blazhev, A., Dewald, A., Fransen, C., Gerst, R-B, Haefner, G., Harter, A., Knafla, Lukas ORCID: 0000-0001-7926-4639, Ley, M., Robledo, L. M., Rodriguez-Guzman, R. and Rudigier, M. (2021). Lifetime measurements to investigate gamma softness and shape coexistence in Mo-102. Phys. Rev. C, 104 (6). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9993

Karayonchev, V, Jolie, J., Blazhev, A., Dewald, A., Esmaylzadeh, A., Fransen, C., Haefner, G., Knafla, Lukas ORCID: 0000-0001-7926-4639, Litzinger, J., Muller-Gatermann, C., Regis, J-M, Schomacker, K., Vogt, A., Warr, N., Leviatan, A. and Gavrielov, N. (2020). Tests of collectivity in Zr-98 by absolute transition rates. Phys. Rev. C, 102 (6). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9993

Knafla, Lukas ORCID: 0000-0001-7926-4639, Alexa, P., Koester, U., Thiamova, G., Regis, J-M, Jolie, J., Blanc, A., Bruce, A. M., Esmaylzadeh, A., Fraile, L. M., de France, G., Haefner, G., Ilieva, S., Jentschel, M., Karayonchev, V, Korten, W., Kroell, T., Lalkovski, S., Leoni, S., Mach, H., Marginean, N., Mutti, P., Pascovici, G., Paziy, V, Podolyak, Zs, Regan, P. H., Roberts, O. J., Saed-Samii, N., Simpson, G. S., Smith, J. F., Soldner, T., Townsley, C., Ur, C. A., Urban, W., Vancraeyenest, A. and Warr, N. (2020). Lifetime measurements in the odd-A nucleus Hf-177. Phys. Rev. C, 102 (5). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9993

Knafla, Lukas ORCID: 0000-0001-7926-4639, Hafner, G., Jolie, J., Regis, J-M, Karayonchev, V, Blazhev, A., Esmaylzadeh, A., Fransen, C., Goldkuhle, A., Herb, S., Muller-Gatermann, C., Warr, N. and Zell, K. O. (2020). Lifetime measurements of Er-162: Evolution of collectivity in the rare-earth region. Phys. Rev. C, 102 (4). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1089-490X

Mayer, Jan ORCID: 0000-0002-8781-5338, Hoemann, Elena, Muellenmeister, Markus, Scholz, Philipp and Zilges, Andreas ORCID: 0000-0002-9328-799X (2020). Efficient determination of HPGe gamma-ray efficiencies at high energies with ready-to-use simulation software. Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip., 972. AMSTERDAM: ELSEVIER. ISSN 1872-9576

Regis, J-M, Esmaylzadeh, A., Jolie, J., Karayonchev, V, Knafla, Lukas ORCID: 0000-0001-7926-4639, Koester, U., Kim, Y. H. and Strub, E. (2020). gamma-gamma fast timing at X-ray energies and investigation on various timing deviations. Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip., 955. AMSTERDAM: ELSEVIER. ISSN 1872-9576

Schiffer, Markus, Stolz, Alexander, Lopez, Damian Alejandro, Spanier, Richard, Herb, Susan, Mueller-Gatermann, Claus, Heinze, Stefan, Binnie, Steven, Melchert, Jan, Kivel, Niko, Schumann, Dorothea, Rethemeyer, Janet, Dunai, Tibor and Dewald, Alfred (2020). Method developments for accelerator mass spectrometry at CologneAMS, Mn-53/He-3 burial dating and ultra-small (CO2)-C-14 samples. Glob. Planet. Change, 184. AMSTERDAM: ELSEVIER. ISSN 1872-6364

Esmaylzadeh, A., Regis, J-M, Kim, Y. H., Koster, U., Jolie, J., Karayonchev, V, Knafla, Lukas ORCID: 0000-0001-7926-4639, Nomura, K., Robledo, L. M. and Rodirguez-Guzman, R. (2019). Lifetime measurements and shape coexistence in Sr-97. Phys. Rev. C, 100 (6). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9993

Stoyanova, M., Rainovski, G., Jolie, J., Pietralla, N., Blazhev, A., Beckers, M., Dewald, A., Djongolov, M., Esmaylzadeh, A., Fransen, C., Gerhard, L. M., Gladnishki, K. A., Herb, S., John, P. R., Karayonchev, V, Keatings, J. M., Kern, R., Knafla, Lukas ORCID: 0000-0001-7926-4639, Kocheva, D., Kornwebel, L., Kroell, Th, Ley, M., Mashtakov, K. M., Mueller-Gatermann, C., Regis, J. M., Scheck, M., Schomacker, K., Sinclair, J., Spagnoletti, P., Suerder, C., Warr, N., Werner, V and Wiederhold, J. (2019). Lifetimes of the 4(1)(+) states of Po-206 and Po-204: A study of the transition from noncollective seniority-like mode to collectivity. Phys. Rev. C, 100 (6). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9993

Melchert, Jan Olaf, Stolz, Alexander, Dewald, Alfred, Gierga, Merle, Wischhoefer, Philipp and Rethemeyer, Janet (2019). EXPLORING SAMPLE SIZE LIMITS OF AMS GAS ION SOURCE C-14 ANALYSIS AT COLOGNEAMS. Radiocarbon, 61 (6). S. 1785 - 1794. TUCSON: UNIV ARIZONA DEPT GEOSCIENCES. ISSN 1945-5755

Vogel, John S. and Stolz, Alexander M. (2019). ION-PAIR IONIZATION IN CO2-FED CESIUM SPUTTER SOURCES. Radiocarbon, 61 (6). S. 1805 - 1813. TUCSON: UNIV ARIZONA DEPT GEOSCIENCES. ISSN 1945-5755

Dittmann, Bjoern-Alexander, Buompane, Raffaele ORCID: 0000-0002-3369-9423, Chamizo, Elena ORCID: 0000-0001-8266-6129, Christl, Marcus ORCID: 0000-0002-3131-6652, Dewald, Alfred, Dunai, Tibor, Feuerstein, Claus, Fifield, Keith, Frohlich, Michaela, Heinze, Stefan, Marzaioli, Fabio, Muenker, Carsten, Petraglia, Antonio ORCID: 0000-0002-8409-3739, Sirignano, Carmina, Strub, Erik ORCID: 0000-0002-4136-2871, Synal, Hans-Arno ORCID: 0000-0001-5621-3089, Terrasi, Filippo ORCID: 0000-0001-5641-8973, Tims, Stephen and Wallner, Anton ORCID: 0000-0003-2804-3670 (2019). ColPuS, a new multi-isotope plutonium standard for Accelerator Mass Spectrometry. Nucl. Instrum. Methods Phys. Res. Sect. B-Beam Interact. Mater. Atoms, 438. S. 189 - 193. AMSTERDAM: ELSEVIER SCIENCE BV. ISSN 1872-9584

Mechernich, Silke ORCID: 0000-0003-3684-040X, Dunai, Tibor J., Binnie, Steven A., Goral, Tomasz, Heinze, Stefan, Dewald, Alfred, Schimmelpfennig, Irene ORCID: 0000-0001-8145-9160, Keddadouche, Karim, Aumaitre, Georges, Bourles, Didier, Marrero, Shasta ORCID: 0000-0003-2917-0292, Wilcken, Klaus ORCID: 0000-0002-6870-2047, Simon, Krista, Fink, David, Phillips, Fred M., Caffee, Marc W., Gregory, Laura C., Phillips, Richard, Freeman, Stewart P. H. T., Shanks, Richard, Sarikaya, M. Akif, Pavetich, Stefan ORCID: 0000-0001-8014-0545, Rugel, Georg, Merchel, Silke, Akcar, Naki, Yesilyurt, Serdar, Ivy-Ochs, Susan and Vockenhuber, Christof (2019). Carbonate and silicate intercomparison materials for cosmogenic Cl-36 measurements. Nucl. Instrum. Methods Phys. Res. Sect. B-Beam Interact. Mater. Atoms, 455. S. 250 - 260. AMSTERDAM: ELSEVIER. ISSN 1872-9584

Karayonchev, V., Blazhev, A., Esmaylzadeh, A., Jolie, J., Dannhoff, M., Diel, F., Dunkel, F., Fransen, C., Gerhard, L. M., Gerst, R. -B., Knafla, Lukas ORCID: 0000-0001-7926-4639, Kornwebel, L., Mueller-Gatermann, C., Regis, J. -M., Warr, N., Zell, K. O., Stoyanova, M. and Van Isacker, P. (2019). Lifetimes in At-211 and their implications for the nuclear structure above Pb-208. Phys. Rev. C, 99 (2). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9993

Petrache, C. M., Regis, J. -M., Andreoiu, C., Spieker, M., Michelagnoli, C., Garrett, P. E., Astier, A., Dupont, E., Garcia, F., Guo, S., Haefner, G., Jolie, J., Kandzia, F., Karayonchev, V., Kim, Y. -H., Knafla, Lukas ORCID: 0000-0001-7926-4639, Koster, U., Lv, B. F., Marginean, N., Mihai, C., Mutti, P., Ortner, K., Porzio, C., Prill, S., Saed-Samii, N., Urban, W., Vanhoy, J. R., Whitmore, K., Wisniewski, J. and Yates, S. W. (2019). Collectivity of the 2p-2h proton intruder band of Sn-116. Phys. Rev. C, 99 (2). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9993

Esmaylzadeh, A., Gerhard, L. M., Karayonchev, V., Regis, J. -M., Jolie, J., Bast, M., Blazhev, A., Braunroth, T., Dannhoff, M., Dunkel, F., Fransen, C., Haefner, G., Knafla, Lukas ORCID: 0000-0001-7926-4639, Ley, M., Mueller-Gatermann, C., Schomacker, K., Warr, N. and Zell, K. -O. (2018). Lifetime determination in Hg-190,Hg-192,Hg-194,Hg-196 via gamma-gamma fast-timing spectroscopy. Phys. Rev. C, 98 (1). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9993

Pickstone, Simon G., Weinert, Michael, Faerber, Michelle, Heim, Felix, Hoemann, Elena, Mayer, Jan ORCID: 0000-0002-8781-5338, Muescher, Miriam, Prill, Sarah, Scholz, Philipp ORCID: 0000-0003-1011-0791, Spieker, Mark, Vielmetter, Vera, Wilhelmy, Julius and Zilges, Andreas ORCID: 0000-0002-9328-799X (2017). Combining gamma-ray and particle spectroscopy with SONIC@HORUS. Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip., 875. S. 104 - 111. AMSTERDAM: ELSEVIER SCIENCE BV. ISSN 1872-9576

Binnie, Steven A., Dunai, Tibor J., Voronina, Elena, Goral, Tomasz, Heinze, Stefan and Dewald, Alfred (2015). Separation of Be and Al for AMS using single-step column chromatography. Nucl. Instrum. Methods Phys. Res. Sect. B-Beam Interact. Mater. Atoms, 361. S. 397 - 402. AMSTERDAM: ELSEVIER SCIENCE BV. ISSN 1872-9584

Engels, Ralf, Gorski, Robert, Grigoryev, Kiril, Mikirtychyants, Maxim, Rathmann, Frank ORCID: 0000-0003-0824-2103, Seyfarth, Hellmut, Stroeher, Hans, Weiss, Philipp, Kochenda, Leonid, Kravtsov, Peter, Trofimov, Viktor, Tschernov, Nikolay, Vasilyev, Alexander, Vznuzdaev, Marat and Schieck, Hans Paetz Gen (2014). Measurement of the nuclear polarization of hydrogen and deuterium molecules using a Lamb-shift polarimeter. Rev. Sci. Instrum., 85 (10). MELVILLE: AMER INST PHYSICS. ISSN 1089-7623

Bodenstein, Marc, Boehme, Stefan, Bierschock, Stephan, Vogt, Andreas ORCID: 0000-0002-3676-7188, David, Matthias and Markstaller, Klaus (2014). Determination of respiratory gas flow by electrical impedance tomography in an animal model of mechanical ventilation. BMC Pulm. Med., 14. LONDON: BIOMED CENTRAL LTD. ISSN 1471-2466

Thesis Abstract

Wilhelmy, Julius Alexander (2021). Exploring photon strength functions in the A=90 mass region: The case of 87Rb. Thesis Abstract, Universität zu Köln.

Heim, Felix (2021). The statistical gamma-decay behavior and nuclear reaction rates of heavy nuclei relevant for explosive nucleosynthesis. Thesis Abstract, Universität zu Köln.

Stolz, Alexander Maximilian ORCID: 0000-0002-8585-2637 (2020). Einrichtung und Weiterentwicklung eines 14CO2-Systems am 6 MV TANDETRON Beschleuniger des CologneAMS. Thesis Abstract, Universität zu Köln.

Feuerstein, Claus Patrick (2018). Improvement of measurement capabilities at the Cologne Accelerator Mass Spectrometer. Thesis Abstract, Universität zu Köln.

Pickstone, Simon Glynn (2018). Upgrading the particle spectrometer SONIC and (p,p'γ) coincidence measurements on ⁹²Mo, ⁹⁴Mo, and ⁶⁰Ni. Thesis Abstract, Universität zu Köln.

Scholz, Philipp (2018). Exploring statistical properties of nuclei for explosive stellar nucleosynthesis. Thesis Abstract, Universität zu Köln.

Litzinger, Julia Maria (2018). Nuclear structure studies of neutron-rich selenium isotopes. Thesis Abstract, Universität zu Köln.

Spieker, Mark-Christoph (2017). The origin of low-lying collective E1 and E2 strength in atomic nuclei. Thesis Abstract, Universität zu Köln.

Green, Claudia (2017). Structural and functional characterization of neuronal network changes with MRI in the mouse brain. Thesis Abstract, Universität zu Köln.

Duckwitz, Hannah (2016). Systematic Nuclear Structure Investigations of 84Sr and 86Sr under Application and Advancement of Gamma-Ray Spectroscopic Methods. Thesis Abstract, Universität zu Köln.

Moschner, Kevin (2015). Nuclear Structure Studies with Radioactive Ion Beams: Decay Spectroscopy of N ≈ Z Silver Isotopes and Relativistic Coulomb Excitation of 88Kr. Thesis Abstract, Universität zu Köln.

Netterdon, Lars (2015). Constraining nuclear-physics input for explosive nucleosynthesis processes via in-beam gamma-ray spectroscopy and the activation technique. Thesis Abstract, Universität zu Köln.

Holler, Astrid (2014). Machbarkeitsstudie einer polarisierten 3He-Ionenquelle mit Hilfe laserinduzierter Teilchenbeschleunigung. Thesis Abstract, Universität zu Köln.

Derya, Vera (2014). Experimental studies of low-lying electric dipole excitations in light and medium-mass nuclei using complementary probes. Thesis Abstract, Universität zu Köln.

Hennig, Andreas (2014). Study of Proton-Neutron Mixed-Symmetry Excitations in 96Ru by Means of Inelastic Proton Scattering and Digital Pulse processing of Semiconductor Detector Signals. Thesis Abstract, Institut für Kernphysik, Universität zu Köln.

Hess, Herbert (2013). Aufbau und Inbetriebnahme des AGATA-Demonstrators. Thesis Abstract, Universität zu Köln.

Andreas, Wendt (2013). Isospin symmetry in the sd shell: Coulomb excitation of 33Ar at relativistic energies and the new 'Lund-York-Cologne-Calorimeter'. Thesis Abstract, Universität zu Köln.

Hackstein, Matthias (2013). Feasibility Studies of Recoil-Distance Doppler-shift Experiments at Energies around 200 MeV/u and the Determination of Absolute Transition Strengths in 186Hg. Thesis Abstract, Universität zu Köln.

Geibel, Kerstin (2012). Search for Proton Emission in Ni-54 and Multi-Nucleon Transfer Reactions in the Actinide Region. Thesis Abstract, Universität zu Köln.

Ebert, Bernd Martin (2012). Control of synchronization via electrical stimulation in a large-scale neuronal network model. Thesis Abstract, Universität zu Köln.

Radeck, Désirée (2012). Nuclear Structure Studies in the A ∼ 100 Mass Region including g-Factor Measurements using Nuclear Deorientation of Recoils into Vacuum. Thesis Abstract, Universität zu Köln.

Sauerwein, Anne (2012). Experimental studies of charged-particle induced reactions and their impact on the nucleosynthesis of p nuclei. Thesis Abstract, Universität zu Köln.

Elvers, Michael (2011). Investigation of Octupole Vibrations in the Rare-Earth Region with Different Experimental Probes and Implementation of a Multithreaded Evaluation Software for Double Coincidence Listmode Data. Thesis Abstract, Universität zu Köln.

Albers, Michael (2011). Evolution of nuclear deformation in neutron-rich Kr isotopes. Thesis Abstract, Universität zu Köln.

Wiens, Andreas (2011). Optimized high energy resolution in gamma-ray spectroscopy with AGATA triple cluster detectors. Thesis Abstract, Universität zu Köln.

Endres, Janis (2011). Systematic studies of the Pygmy Dipole Resonance with hadronic and electromagnetic probes. Thesis Abstract, Universität zu Köln.

Bernards, Christian (2011). Investigation and supersymmetric description of even-even mercury isotopes. Thesis Abstract, Universität zu Köln.

Bettermann, Linus (2010). Studien zu Form-Phasenübergängen in Atomkernen. Thesis Abstract, Universität zu Köln.