University of Heidelberg

Publications

2015


  • Spin-orbit interaction in bremsstrahlung and its effect on the electron motion in a strong Coulomb field
    Oleksiy Kovtun, Valeri Tioukine, Andrey Surzhykov, Vladimir A. Yerokhin, Bo Cederwall, and Stanislav Tashenov
    Physical Review A, accepted

  • Compton polarimeter for 10-30 keV x rays
    S. Weber, C. Beilmann, C. Shah, and S. Tashenov
    Review of Scientific Instruments 86, 093110 (2015)
    doi:10.1063/1.4931165

  • Polarization measurement of dielectronic recombination transitions in highly charged krypton ions
    Chintan Shah, Holger Joerg, Sven Bernitt, Stepan Dobrodey, Christian Beilmann, Pedro Amaro, Zhimin Hu, Sebastian Weber, Stephan Fritzschei, Andrey Surzhykov, Jose R. Crespo Lopez-Urrutia, and Stanislav Tashenov
    Physical Review A 92, 042702 (2015)
    doi:10.1103/PhysRevA.92.042702
    Editor's Suggestion

  • Subshell-selective x-ray studies of radiative recombination of U92+ ions with electrons for very low relative energies
    D. Banas, M. Pajek, A. Surzhykov, Th. Stoehlker, C. Brandau, A. Gumberidze, C. Kozhuharov, H. F. Beyer, S. Boehm, F. Bosch, M. Czarnota, S. Chatterjee, J.-Cl. Dousse, S. Fritzsche, S. Hagmann, D. Liesen, P. H. Mokler, A. Mueller, A. Kumar, R. Reuschl, D. Sierpowski, U. Spillmann, J. Szlachetko, S. Tashenov, S. Trotsenko, P. Verma and A. Warczak
    Physical Review A 92, 032710 (2015)
    doi:10.1103/PhysRevA.92.032710

  • Parity nonconservation effect in the resonance elastic electron scattering on heavy He-like ions
    V. Zaytsev, S. Tashenov, A. Maiorova, V. Shabaev and Th. Stoehlker
    Journal of Physics B 48 165003 (2015)
    doi:10.1088/0953-4075/48/16/165003

  • Coherent population of magnetic sublevels of 2p3/2 state in hydrogenlike uranium by radiative recombination
    S. Tashenov, D. Banas, H. Beyer, C. Brandau, S. Fritzsche, A. Gumberidze, S. Hagmann, P.-M. Hillenbrand, H. Jörg, I. Kojouharov, Ch. Kozhuharov, M. Lestinsky, Yu. Litvinov, A. Maiorova, H. Schaffner, V. Shabaev, U. Spillmann, Th. Stoehlker, A. Surzhykov, S. Trotsenko
    Physica Scripta, accepted

  • Linear polarization of x-ray transitions due to dielectronic recombination in highly charged ions
    Joerg, H., Z. Hu, H. Bekker, M. A. Blessenohl, D. Hollain, S. Fritzsche, A. Surzhykov, J. R. C. Lopez-Urrutia, and S. Tashenov
    Physical Review A 91 (2015) 042705
    doi:10.1103/PhysRevA.91.042705

  • Tz=-1 -> 0 beta decays of 54Ni, 50Fe, 46Cr, and 42Ti and comparison with mirror (3He,t) measurements
    Molina, F., B. Rubio, Y. Fujita, W. Gelletly, J. Agramunt, A. Algora, J. Benlliure, P. Boutachkov, L. Caceres, R. B. Cakirli, E. Casarejos, C. Domingo-Pardo, P. Doornenbal, A. Gadea, E. Ganio glu, M. Gascon, H. Geissel, J. Gerl, M. Gorska, J. Gr ebosz, R. Hoischen, R. Kumar, N. Kurz, I. Kojouharov, L. A. Susam, H. Matsubara, A. I. Morales, Y. Oktem, D. Pauwels, D. Perez-Loureiro, S. Pietri, Z. Podolyak, W. Prokopowicz, D. Rudolph, H. Schaffner, S. J. Steer, J. L. Tain, A. Tamii, S. Tashenov, J. J. Valiente-Dobon, S. Verma, and H.-J. Wollersheim
    Physical Review C 91 (2015) 014301
    doi:10.1103/PhysRevC.91.014301

  • Mechanism of dominance of the Breit interaction in dielectronic recombination
    X.-M. Tong, Z. Hu, Y. Li, X. Han, D. Kato, H. Watanabe and N. Nakamura
    Journal of Physics B 48 (2015) 144002
    doi:10.1088/0953-4075/48/14/144002

2014


  • Observation of coherence in the time-reversed relativistic photoelectric effect
    S. Tashenov, D. Banas, H. Beyer, C. Brandau, S. Fritzsche, A. Gumberidze, S. Hagmann, P.-M. Hillenbrand, H. Joerg, I. Kojouharov, Ch. Kozhuharov, M. Lestinsky, Yu.A. Litvinov, A.V. Maiorova, H. Schaffner, V.M. Shabaev, U. Spillmann, Th. Stoehlker, A. Surzhykov, and S. Trotsenko
    Physical Review Letters 113, 113001 (2014)
    doi:10.1103/PhysRevLett.113.113001
    Editor's Suggestion

  • Electron polarimetry with bremsstrahlung
    S. Tashenov, T. Back, R. Barday, B. Cederwall, J. Enders, A. Khaplanov, Y. Fritzsche, A. Surzhykov, V. A. Yerokhin, and D. Jakubassa-Amundsen
    Journal of Physics: Conference Series 488 (2014) 012057
    doi:10.1088/1742-6596/488/1/012057

  • Parity-nonconservation effect in the dielectronic recombination of polarized electrons with heavy He- like ions
    V.A. Zaytsev, A. V. Maiorova, V. M. Shabaev, A. V. Volotka, S. Tashenov, G. Plunien, and T. Stoehlker
    Physical Review A 89 (2014) 032703
    doi:10.1103/PhysRevA.89.032703

  • Half-Life Systematics across the N=126 Shell Closure: Role of First-Forbidden Transitions in the beta Decay of Heavy Neutron-Rich Nuclei
    A. I. Morales, J. Benlliure, T. Kurtukian-Nieto, K.-H Schmidt, S. Verma, P. H. Regan, Z. Podolyak, M. Gorska, S. Pietri, R. Kumar, E. Casarejos, N. Al-Dahan, A. Algora, N. Alkhomashi, H. A¿lvarez-Pol, G. Benzoni, A. Blazhev, P. Boutachkov, A. M. Bruce, L. S. Caceres, I. J. Cullen, A. M. Denis Bacelar, P. Doornenbal, M. E. Estevez-Aguado, G. Farrelly, Y. Fujita, A. B. Garnsworthy, W. Gelletly, J. Gerl, J. Grebosz, R. Hoischen, I. Kojouharov, N. Kurz, S. Lalkovski, Z. Liu, C. Mihai, F. Molina, D. Muecher, B. Rubio, H. Shaffner, S. J. Steer, A. Tamii, S. Tashenov, J. J. Valiente-Dobon, P. M. Walker, H. J. Wollersheim, and P. J. Woods
    Physical Review Letters 113, 022702 (2014)
    doi:10.1103/PhysRevLett.113.022702

  • Radiative-electron-capture-to-continuum cusp in U88+ + N2 collisions and the high-energy endpoind of electron-nucleus bremsstrahlung
    P.-M. Hillenbrand, S. Hagmann, D. Atanasov, D. Banas, K.-H. Blumenhagen, C. Brandau, W. Chen, E. De Filippo, A. Gumberidze, D. L. Guo, D. H. Jakubassa-Amundsen, O. Kovtun, C. Kozhuharov, M. Lestinsky, Yu. A. Litvinov, A. Mueller, R. A. Mueller, H. Rothard, S. Schippers, M. S. Schoeffler, U. Spillmann, A. Surzhykov, S. Trotsenko, N. Winckler, X. L. Yan, V. A. Yerokhin, X. L. Zhu, and Th. Stoehlker
    Physical Review A 90, 022707 (2014)
    doi:10.1103/PhysRevA.90.022707

2013


  • Bremsstrahlung polarization correlations and their application for polarimetry of electron beams
    S. Tashenov, T. Baeck, R. Barday, B. Cederwall, J. Enders, A. Khaplanov, Yu. Fritzsche, K.-U. Schaessburger, A. Surzhykov, V.A. Yerokhin, and D. Jakubassa-Amundsen
    Physical Review A 87 (2013) 022707
    doi:10.1103/PhysRevA.87.022707
    Popular physics description

  • X-Ray Resonant Photoexcitation: Linewidths and Energies of K Transitions in Highly Charged Fe Ions
    J. K. Rudolph, S. Bernitt, S.W. Epp, R. Steinbruegge, C. Beilmann, G.V. Brown, S. Eberle, A. Graf, Z. Harman, N. Hell, M. Leutenegger, A. Mueller, K. Schlage, H.-C. Wille, H. Yavas, J. Ullrich, and J. R. Crespo Lopez-Urrutia
    Physical Review Letters 111 (2013) 103002
    doi:10.1103/PhysRevLett.111.103002

  • Observation of the spin-orbit interaction in bremsstrahlung
    S. Tashenov, T. Baeck, R. Barday, B. Cederwall, J. Enders, A. Khaplanov, Y. Fritzsche, K.-U. Schaessburger, A. Surzhykov and V.A. Yerokhin
    Physica Scripta T156 (2013) 014071
    doi:10.1088/0031-8949/2013/T156/014071

  • Production and diagnostics of spin-polarized heavy ions in the sequential two-electron radiative recombination
    A.V. Maiorova, A. Surzhykov, S. Tashenov, V.M. Shabaev and Th. Stoehlker
    Physica Scripta T156 (2013) 014046
    doi:10.1088/0031-8949/2013/T156/014046

  • Bremsstrahlung of polarized positrons scattered off atoms
    V.A. Yerokhin, A. Surzhykov, R. Maertin, S. Tashenov and G. Weber
    Physica Scripta T156 (2013) 014072
    doi:10.1088/0031-8949/2013/T156/014072

  • Higher-order resonant electronic recombination as a manifestation of configuration interaction
    C. Beilmann, P. Amaro, H. Bekker, Z. Harman, J.R. Crespo Lopez-Urrutia and S. Tashenov
    Physica Scripta T156 (2013) 014052
    doi:10.1088/0031-8949/2013/T156/014052

  • Parity-nonconservation effects on the radiative recombination of heavy hydrogenlike ions
    J. Gunst, A. Surzhykov, A. Artemyev, S. Fritzsche, S. Tashenov, A. Maiorova, V. M. Shabaev and Th. Stoehlker
    Physical Review A 87 (2013) 032714
    doi:10.1103/PhysRevA.87.032714

  • Two-photon energy distribution from the decay of the 2 1S0 state in He-like uranium
    Banas, D., A. Gumberidze, S. Trotsenko, A. V. Volotka, A. Surzhykov, H. F. Beyer, F. Bosch, A. Brauning- Demian, S. Fritzsche, S. Hagmann, C. Kozhuharov, A. Kumar, X. Ma, R. Mann, P. H. Mokler, D. Sierpowski, U. Spillmann, S. Tashenov, Z. Stachura, A. Warczak, and T. Stoehlker
    Physical Review A 87 (2013) 062510
    doi:10.1103/PhysRevA.87.062510

  • Ab initio calculations of the 2p3/2-2p1/2 fine-structure splitting in boronlike ions
    A. N. Artemyev, V. M. Shabaev, I.I. Tupitsyn, G. Plunien, A. Surzhykov and S. Fritzsche
    Physical Review A 88 (2013) 032518
    doi:10.1103/PhysRevA.88.032518

2012


  • Production and diagnostics of spin-polarized heavy ions in sequential two-electron radiative recombination
    A.V. Maiorova, A. Surzhykov, S. Tashenov, V.M. Shabaev, and Th. Stoehlker
    Physical Review A 86 (2012) 032701
    doi:10.1103/PhysRevA.86.032701

  • Comparative study of the electron-atom and positron-atom bremsstrahlung
    V.A. Yerokhin, A. Surzhykov, R. Maertin, S. Tashenov, and G. Weber
    Physical Review A 86 (2012) 032708
    doi:10.1103/PhysRevA.86.032708

  • Relativistic polarization analysis of Rayleigh scattering by atomic hydrogen
    L. Safari, P. Amaro, S. Frietzsche, J.P. Santos, S. Tashenov, and F. Fratini
    Physical Review A 86 (2012) 043405
    doi:10.1103/PhysRevA.86.043405

  • Recombination and electron impact excitation rate coefficients for S XV and S XVI
    S. Mahmood, S. Ali, I. Orban, S. Tashenov, E. Lindroth, and R. Schuch
    The Astrophysical Journal 754 (2012) 86
    doi:10.1088/0004-637X/754/2/86

  • AGATA - Advanced GAmma Tracking Array
    Akkoyun, S. et al.
    Nuclear Instruments and Methods A 668 (2012) 26-58
    doi:10.1016/j.nima.2011.11.081

2011


  • Measurement of the Correlation between Electron Spin and Photon Linear Polarization in Atomic-Field Bremsstrahlung
    S. Tashenov, T. Back, R. Barday, B. Cederwall, J. Enders, A. Khaplanov, Yu. Poltoratska, K.-U. Schaessburger and A. Surzhykov
    Physical Review Letters 107 (2011) 173201
    doi:10.1103/PhysRevLett.107.173201
    Popular physics description

  • Photon-photon polarization correlations as a tool for studying parity nonconservation in heliumlike uranium
    F. Fratini, S. Trotsenko, S. Tashenov, Th. Stoehlker, and A. Surzhykov
    Physical Review A 83 (2011) 052505
    doi:10.1103/PhysRevA.83.052505

  • Circular polarimetry with gamma-ray tracking detectors
    S. Tashenov
    Nuclear Instruments and Methods A 640 (2011) 164
    doi:10.1016/j.nima.2011.03.011

  • Photo-recombination studies at R-EBIT with a Labview control and data acquisition system
    S. Ali, S. Mahmood, I. Orban, S. Tashenov, Y.M. Li, Z. Wu and R. Schuch
    Journal of Instrumentation 6 (2011) C01016
    doi:10.1088/1748-0221/6/01/C01016

  • Electronion recombination of H- and He-like sulfur
    S. Ali, S. Mahmood, I. Orban, S. Tashenov, Y.M. Li, Z. Wu and R. Schuch
    Journal of Physics B: Atomic, Molecular and Optical Physics 44 (2011) 225203
    doi:10.1088/0953-4075/44/22/225203