Universität zu Köln

2022

Das, B., Cederwall, B., Qi, C., Gorska, M., Regan, P. H., Aktas, O., Albers, H. M., Banerjee, A., Chishti, M. M. R., Gerl, J., Hubbard, N., Jazrawi, S., Jolie, J., Mistry, A. K., Polettini, M., Yaneva, A., Alhomaidhi, S., Zhao, J., Arici, T., Bagchi, S., Benzoni, G., Boutachkov, P., Davinson, T., Dickel, T., Haettner, E., Hall, O., Hornung, Ch, Hucka, J. P., John, P. R., Kojouharov, I, Knoebel, R., Kostyleva, D., Kuzminchuk, N., Mukha, I, Plass, W. R., Singh, B. S. Nara, Vasiljevic, J., Pietri, S., Podolyak, Zs, Rudigier, M., Roesch, H., Sahin, E., Schaffner, H., Scheidenberger, C., Schirru, F., Sharma, A., Shearman, R., Tanaka, Y., Vesic, J., Weick, H., Wollersheim, H. J., Ahmed, U., Algora, A., Appleton, C., Benito, J., Blazhev, A., Bracco, A., Bruce, A. M., Brunet, M., Canavan, R., Esmaylzadeh, A., Fraile, L. M., Haefner, G., Heggen, H., Kahl, D., Karayonchev, V, Kern, R., Korgu, A., Kosir, G., Kurz, N., Lozeva, R., Mikolajczuk, M., Napiralla, P., Page, R., Petrache, C. M., Pietralla, N., Regis, J-M, Ruotsalainen, P., Sexton, L., Sanchez-Temble, V, Si, M., Vilhena, J., Werner, V, Wiederhold, J., Witt, W., Woods, P. J. and Zimba, G. (2022). Nature of seniority symmetry breaking in the semimagic nucleus Ru-94. Phys. Rev. C, 105 (3). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9993

Esmaylzadeh, A., Blazhev, A., Nomura, K., Jolie, J., Beckers, M., Fransen, C., Gerst, R. -B., Harter, A., Karayonchev, V., Knafla, L., Ley, M. and von Spee, F. (2022). Investigation of gamma softness: Lifetime measurements in 104,106Ru. Phys. Rev. C, 106 (6). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9993

Harter, A., Knafla, L., Friessner, G., Hafner, G., Jolie, J., Blazhev, A., Dewald, A., Dunkel, F., Esmaylzadeh, A., Fransen, C., Karayonchev, V., Lawless, K., Ley, M., Regis, J. -m. and Zell, K. O. (2022). Lifetime measurements in the tungsten isotopes W-176,W-178,W-180. Phys. Rev. C, 106 (2). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9993

Jazrawi, S., Yaneva, A., Polettini, M., Das, B., Regan, P. H., Gorska, M., Cederwall, B., Jolie, J., Albers, H. M., Chishti, M. M. R., Banerjee, A., Hubbard, N., Mistry, A. K., Rudigier, M., Benzoni, G., Gerl, J., Bruce, A. M., Podolyak, Zs, Singh, B. S. Nara, Zhang, G. X., Alhomaidhi, S., Appleton, C., Arici, T., Blazhev, A., Davinson, T., Esmaylzadeh, A., Fraile, L. M., Haefner, G., Hall, O., John, P. R., Karayonchev, V, Koujoharov, I, Kurz, N., Mikolajczuk, M., Pietralla, N., Pietri, S., Regis, J. M., Sahin, E., Sexton, L., Schaffner, H., Scheidenberger, C., Sharma, A., Vesic, J., Weick, H., Werner, V, Lozeva, R. and Si, M. (2022). Commissioning the FAst TIMing array (FATIMA) at FAIR Phase-0: Half-lives of excited states in the N=50 isotones 96Pd and 94Ru. Radiat. Phys. Chem., 200. OXFORD: PERGAMON-ELSEVIER SCIENCE LTD. ISSN 1879-0895

Karayonchev, V., Blazhev, A., Jolie, J., Dewald, A., Esmaylzadeh, A., Fransen, C., Haefner, G., Knafla, L., Mueller-Gatermann, C., Rainovski, G., Regis, J. -m., Schomacker, K. and Van Isacker, P. (2022). New aspects of the low-energy structure of( 211)At. Phys. Rev. C, 106 (4). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9993

Karayonchev, V., Rainovski, G., Jolie, J., Blazhev, A., Dewald, A., Esmaylzadeh, A., Fransen, C., John, P., Knafla, L., Kocheva, D., Schomacker, K., Werner, V. and Naidja, H. (2022). Lifetime measurements in the yrast band of Po-212 with a shell-model investigation. Phys. Rev. C, 106 (6). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9993

Kumar, D., Bhattacharjee, T., Alam, S. S., Basak, S., Gerhard, L., Knafla, L., Esmaylzadeh, A., Ley, M., Dunkel, F., Schomaker, K., Regis, J-M., Jolie, J., Kim, Y. H., Koster, U., Simpson, G. S. and Fraile, L. M. (2022). Lifetimes and transition probabilities for low-lying yrast levels in Te-130,Te-132. Phys. Rev. C, 106 (3). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9993

Polettini, M., Pellumaj, J., Benzoni, G., Zhang, G., Mengoni, D., Vidal, R. M. Perez, Genna, D., Bracco, A., Aggez, G., Al Aqueel, M., Alayed, B., Albers, H. M., Algora, A., Alhomaidhi, S., Appleton, C., Arici, T., Armstrong, M., Arnswald, K., Balogh, M., Banerjee, A., Blazhev, A., Bottoni, S., Boutachkov, P., Bruce, A., Bruno, C., Camera, F., Cederwall, B., Chishti, M. M. R., Cox, D. M., Crespi, F. C. L., Das, B., Davinson, T., De Angelis, G., Dickel, T., Doncel, M., Donthi, R., Ertoprak, A., Escudeiro, R., Esmaylzadeh, A., Fraile, L. M., Gaffney, L., Gamba, E. R., Gerl, J., Gottardo, A., Ha, J., Haettner, E., Hall, O., Heggen, H., Hrabar, Y., Hubbard, N., Jazrawi, S., John, P. R., Jolie, J., Jones, C., Joss, D., Judson, D., Kahl, D., Karayonchev, V, Kazantseva, E., Kern, R., Knafla, L., Kojouharov, I, Korgul, A., Korten, W., Koseoglou, P., Kosir, G., Kostyleva, D., Kurtukian-Nieto, T., Kurz, N., Kuzminchuk, N., Labiche, M., Lenzi, S., Leoni, S., Lozeva, R., Mertzimekis, T. J., Mikolajczuk, M., Million, B., Mistry, A. K., Morales, A., Mukha, I, Murias, J. R., Napoli, D., NaraSingh, B. S., O'Donnell, D., Orrigo, S. E. A., Page, R., Pelonis, S., Petrovic, J., Pietralla, N., Pietri, S., Pigliapoco, S., Podolyak, Zs, Porzio, C., Quintana Arnes, B., Recchia, F., Regan, P. H., Reiter, P., Rezynkina, K., Roy, P., Rudigier, M., Ruotsalainen, P., Sahin, E., Sarmiento, L. G., Satrazani, M-M, Schaffner, H., Scheidenberger, C., Sexton, L., Sharma, A., Smallcombe, J., Sood, A., Vasileiou, P., Vesic, J., Vilhena, J., Waring, L., Weick, H., Werner, V, Wiederhold, J., Wieland, O., Wimmer, K., Wollersheim, H. J., Woods, P., Yaneva, A., Zanon, I, Zhao, J., Zidarova, R., Ziliani, S., Zimba, G. and Zyriliou, A. (2022). Decay studies in the A similar to 225 Po-Fr region from the DESPEC campaign at GSI in 2021. Nuovo Cim. C-Colloq. Commun. Phys., 45 (5). BOLOGNA: SOC ITALIANA FISICA. ISSN 1826-9885

2021

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

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

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

Kalaydjieva, D., Kocheva, D., Rainovski, G., Karayonchev, V, Jolie, J., Pietralla, N., Beckers, M., Blazhev, A., Dewald, A., Djongolov, M., Esmaylzadeh, A., Fransen, C., Gladnishki, K. A., Goldkuhle, A., Henrich, C., Homm, I, Ide, K. E., John, P. R., Kern, R., Kleemann, J., Kroell, Th, Muller-Gatermann, C., Scheck, M., Spagnoletti, P., Stoyanova, M., Stoychev, K., Werner, V, Yaneva, A., Dimitrova, S. S., De Gregorio, G., Naidja, H. and Gargano, A. (2021). Microscopic structure of the one-phonon 2(+) states of Po-208. Phys. Rev. C, 104 (2). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9993

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

Polettini, M., Jazrawi, S., Chishti, M. M. R., Yaneva, A., Das, B., Banerjee, A., Hubbard, N., Mistry, A. K., Albers, H. M., Shearman, R., Gorska, M., Gerl, J., Regan, P. H., Cederwall, B., Jolie, J., Alhomaidhi, S., Arici, T., Benzoni, G., Boutachkov, P., Davinson, T., Dickel, T., Haettner, E., Hall, O., Heggen, H., John, P. R., Kojouharov, I, Kurz, N., Singh, B. S. Nara, Pietri, S., Podolyak, Zs, Rudigier, M., Sahin, E., Schaffner, H., Scheidenberger, C., Sharma, A., Vesic, J., Weick, H., Wollersheim, H. J., Ahmed, U., Aktas, O., Algora, A., Appleton, C., Benito, J., Blazhev, A., Bracco, A., Bruce, A., Brunet, M., Canavan, R., Esmaylzadeh, A., Fraile, L. M., Grawe, H., Haefner, G., Kahl, D., Karayonchev, V, Kern, R., Kosir, G., Lozeva, R., Napiralla, P., Page, R., Petrache, C. M., Petrovic, J., Pietralla, N., Regis, J-M, Ruotsalainen, P., Sexton, L., Sanchez-Temble, V, Si, M., Vilhena, J., Werner, V, Wiederhold, J., Witt, W., Woods, P. and Zimba, G. (2021). DESPEC Phase-0 campaign at GSI. Nuovo Cim. C-Colloq. Commun. Phys., 44 (2-3). BOLOGNA: SOC ITALIANA FISICA. ISSN 1826-9885

2020

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

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

2019

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

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

Kaya, L., Vogt, A., Reiter, P., Siciliano, M., Shimizu, N., Utsuno, Y., Wang, H-K, Gargano, A., Coraggio, L., Itaco, N., Arnswald, K., Bazzacco, D., Birkenbach, B., Blazhev, A., Bracco, A., Bruyneel, B., Corradi, L., Crespi, F. C. L., de Angelis, G., Droste, M., Eberth, J., Esmaylzadeh, A., Farnea, E., Fioretto, E., Fransen, C., Gadea, A., Giaz, A., Gorgen, A., Gottardo, A., Hadynska-Klek, K., Hess, H., Hirsch, R., John, P. R., Jolie, J., Jungclaus, A., Karayonchev, V, Kornwebel, L., Korten, W., Leoni, S., Lewandowski, L., Lunardi, S., Menegazzo, R., Mengoni, D., Michelagnoli, C., Mijatovic, T., Montagnoli, G., Montanari, D., Mueller-Gatermann, C., Napoli, D., Podolyak, Zs, Pollarolo, G., Recchia, F., Regis, J-M, Saed-Samii, N., Sahin, E., Scarlassara, F., Schomacker, K., Seidlitz, M., Siebeck, B., Soderstrom, P-A, Stefanini, A. M., Stezowski, O., Szilner, S., Szpak, B., Teruya, E., Ur, C., Valiente-Dobon, J. J., Wolf, K., Yanase, K., Yoshinaga, N. and Zell, K. O. (2019). Isomer spectroscopy in Ba-133 and high-spin structure of Ba-134. Phys. Rev. C, 100 (2). 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

2018

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

2017

Karayonchev, V., Regis, J. -M., Jolie, J., Blazhev, A., Altenkirch, R., Ansari, S., Dannhoff, M., Diel, F., Esmaylzadeh, A., Fransen, C., Gerst, R. -B., Moschner, K., Mueller-Gatermann, C., Saed-Samii, N., Stegemann, S., Warr, N. and Zell, K. O. (2017). Evolution of collectivity in the N=100 isotones near Yb-170. Phys. Rev. C, 95 (3). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9993

2016

Regis, J. -M., Saed-Samii, N., Rudigier, M., Ansari, S., Dannhoff, M., Esmaylzadeh, A., Fransen, C., Gerst, R. -B., Jolie, J., Karayonchev, V., Mueller-Gatermann, C. and Stegemann, S. (2016). Reduced gamma-gamma time walk to below 50 ps using the multiplexed-start and multiplexed-stop fast-timing technique with LaBr3(Ce) detectors. Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip., 823. S. 72 - 83. AMSTERDAM: ELSEVIER SCIENCE BV. ISSN 1872-9576