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NSR database version of April 26, 2024.

Search: Author = T.A.Golubkova

Found 7 matches.

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2018XU04      Phys.Rev. C 97, 034305 (2018)

X.-D.Xu, I.Mukha, L.V.Grigorenko, C.Scheidenberger, L.Acosta, E.Casarejos, V.Chudoba, A.A.Ciemny, W.Dominik, J.Duenas-Diaz, V.Dunin, J.M.Espino, A.Estrade, F.Farinon, A.Fomichev, H.Geissel, T.A.Golubkova, A.Gorshkov, Z.Janas, G.Kaminski, O.Kiselev, R.Knobel, S.Krupko, M.Kuich, Yu.A.Litvinov, G.Marquinez-Duran, I.Martel, C.Mazzocchi, C.Nociforo, A.K.Orduz, M.Pfutzner, S.Pietri, M.Pomorski, A.Prochazka, S.Rymzhanova, A.M.Sanchez-Benitez, P.Sharov, H.Simon, B.Sitar, R.Slepnev, M.Stanoiu, P.Strmen, I.Szarka, M.Takechi, Y.K.Tanaka, H.Weick, M.Winkler, J.S.Winfield

Spectroscopy of excited states of unbound nuclei ³⁰Ar and ²⁹Cl

NUCLEAR REACTIONS ⁹Be(³¹Ar, ³⁰Ar), (²⁰Mg, ¹⁹Mg), E=620 MeV/nucleon, [secondary ³¹Ar and ²⁰Mg beams from ⁹Be(³⁶Ar, X), E=885 MeV/nucleon followed by separation of ³¹Ar fragments using FRS at GSI]; measured reaction products, A/Q versus Z yield distributions, proton spectra, trajectories of in-flight decay products ²⁸S+p+p, ²⁸S+p, ¹⁷Ne+p+p, (²⁸Si)pp-, (²⁹Cl)p-, and (¹⁷Ne)pp-coin, (²⁸Si)p(θ) and (¹⁷Ne)p(θ) from 2p-decays of states in ³⁰Ar and ¹⁹Mg. ³⁰Ar, ²⁹Cl, ²⁸S, ¹⁹Mg, ¹⁸Na; deduced ground states and unbound levels, two-proton decay widths of ³⁰Ar and ¹⁹Mg ground states; discussed simultaneous and sequential two-proton decays from ground and excited states of ³⁰Ar and ¹⁹Mg, Thomas-Ehrman effect in ²⁹Cl-²⁹Mg and ³⁰Mg-³⁰Ar mirror partners. Comparison with shell-model predictions.

RADIOACTIVITY ³⁰Ar, ¹⁹Mg(2p)[from ⁹Be(³¹Ar, ³⁰Ar), (²⁰Mg, ¹⁹Mg) reactions at GSI]; measured proton spectra; deduced ground state of ³⁰Ar above the two-proton emission threshold.

doi: 10.1103/PhysRevC.97.034305
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2017GR04      Phys.Rev. C 95, 021601 (2017)

L.V.Grigorenko, T.A.Golubkova, J.S.Vaagen, M.V.Zhukov

Decay mechanism and lifetime of ⁶⁷Kr

RADIOACTIVITY ⁶⁷Kr(2p); calculated half-life as function of p-wave ground-state resonance energy in ⁶⁶Br, and from three-body model results for P3 and P5 potentials producing different configuration mixings, energy correlations between the ⁶⁵Se core and one of the protons in 2p decay of ⁶⁷Kr. Improved direct decay model (IDDM). Comparison with experimental value of T_1/2.

doi: 10.1103/PhysRevC.95.021601
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2017SH29      Phys.Rev. C 96, 025807 (2017)

P.G.Sharov, A.S.Fomichev, A.A.Bezbakh, V.Chudoba, I.A.Egorova, M.S.Golovkov, T.A.Golubkova, A.V.Gorshkov, L.V.Grigorenko, G.Kaminski, A.G.Knyazev, S.A.Krupko, M.Mentel, E.Yu.Nikolskii, Yu.L.Parfenova, P.Pluchinski, S.A.Rymzhanova, S.I.Sidorchuk, R.S.Slepnev, S.V.Stepantsov, G.M.Ter-Akopian, R.Wolski

Search for 2p decay of the first excited state of ¹⁷Ne

NUCLEAR REACTIONS ¹H(¹⁸Ne, d), E=35 MeV/nucleon, [¹⁸Ne secondary beam from ⁹Be(²⁰Ne, X), E=53 MeV/nucleon primary reaction]; measured deuterons, dpp-coin, time-of-flight, energy loss, missing mass and excitation energy spectra of ¹⁷Ne at Flerov Laboratory of Nuclear Reactions at JINR-Dubna. ¹⁷Ne; deduced level, upper limit of 2p-decay branch (Γ_2p/Γ_γ) of the first excited state of ¹⁷Ne and comparison with theoretical predictions.

doi: 10.1103/PhysRevC.96.025807
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2016XU08      Yuan.Wul.Ping. 33, 197 (2016); Nucl.Phys.Rev. 33, 197 (2016)

X.Xu, I.Mukha, L.Acosta, E.Casarejos, A.A.Ciemny, W.Dominik, J.Duenas-Diaz, V.Dunin, J.M.Espino, A.Estrade, F.Farinon, H.Geissel, A.Fomichev, T.A.Golubkova, A.Gorshkov, L.V.Grigorenko, Z.Janas, G.Kaminski, O.Kiselev, R.Knobel, S.Krupko, M.kuich, Yu.A.Litvinov, G.Marquinez-Duran, I.Martel, C.Mazzocchi, C.Nociforo, A.K.Orduz, M.Pfutzner, S.Pietri, M.Pomorski, A.Prochazka, S.Rymzhanova, A.M.Sanchez-Benitez, C.Scheidenberger, P.Sharov, H.Simon, B.Sitar, R.Slepnev, M.Stanoiu, P.Strmen, I.Szarka, M.Takechi, Y.K.Tanaka, H.Weick, M.Winkler, J.S.Winfield

Revisit to Two-Proton Radioactivity of ¹⁹Mg and Observation of Two-Proton Decay of ³⁰Ar

RADIOACTIVITY ¹⁹Mg, ³⁰Ar(2p); measured decay products, Ep, Ip; deduced energies, excited states.

doi: 10.11804/NuclPhysRev.33.02.197#
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2015BR11      Phys.Rev. C 92, 034329 (2015)

K.W.Brown, R.J.Charity, L.G.Sobotka, L.V.Grigorenko, T.A.Golubkova, S.Bedoor, W.W.Buhro, Z.Chajecki, J.M.Elson, W.G.Lynch, J.Manfredi, D.G.McNeel, W.Reviol, R.Shane, R.H.Showalter, M.B.Tsang, J.R.Winkelbauer, A.H.Wuosmaa

Interplay between sequential and prompt two-proton decay from the first excited state of ¹⁶Ne

NUCLEAR REACTIONS ⁹Be(¹⁷Ne, ¹⁶Ne), E=57.6 MeV/nucleon; analyzed results of experimental measurements reported in their 2014Br19 work carried out at NSCL-MSU. ¹⁶Ne; analyzed relative energy spectra and few-body correlations of ¹⁴O+2p and ¹³N+3p events; deduced level energies and widths of g.s. and first 2+ state from kinematic analysis of ¹⁴O+p+p events, and those of higher levels from analysis of the ¹³N+p+p+p events. Sequential and diprotonlike decays deduced from correlation pattern reproduced in three-body ¹⁴O+p+p calculations. ¹⁵F, ¹⁴O, ¹³N; deduced levels, J, π from particle decays of states in ¹⁶Ne.

doi: 10.1103/PhysRevC.92.034329
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2015GR04      Phys.Rev. C 91, 024325 (2015)

L.V.Grigorenko, T.A.Golubkova, M.V.Zhukov

Thomas-Ehrman effect in a three-body model: The ¹⁶Ne case

NUCLEAR STRUCTURE ¹⁶Ne, ¹⁶C; analyzed structure of 0+ and 2+ states, dynamic mechanism of the Thomas-Ehrman shift (TES) in three-cluster systems; predicted configuration mixings for 0+ and 2+ states. ¹⁵F; predicted energy of unbound 1/2+ ground state. Comparison with experimental data.

doi: 10.1103/PhysRevC.91.024325
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2015MU13      Phys.Rev.Lett. 115, 202501 (2015)

I.Mukha, L.V.Grigorenko, X.Xu, L.Acosta, E.Casarejos, A.A.Ciemny, W.Dominik, J.Duenas-Diaz, V.Dunin, J.M.Espino, A.Estrade, F.Farinon, A.Fomichev, H.Geissel, T.A.Golubkova, A.Gorshkov, Z.Janas, G.Kaminski, O.Kiselev, R.Knobel, S.Krupko, M.Kuich, Yu.A.Litvinov, G.Marquinez-Duran, I.Martel, C.Mazzocchi, C.Nociforo, A.K.Orduz, M.Pfutzner, S.Pietri, M.Pomorski, A.Prochazka, S.Rymzhanova, A.M.Sanchez-Benitez, C.Scheidenberger, P.Sharov, H.Simon, B.Sitar, R.Slepnev, M.Stanoiu, P.Strmen, I.Szarka, M.Takechi, Y.K.Tanaka, H.Weick, M.Winkler, J.S.Winfield, M.V.Zhukov

Observation and Spectroscopy of New Proton-Unbound Isotopes ³⁰Ar and ²⁹Cl: An Interplay of Prompt Two-Proton and Sequential Decay

NUCLEAR REACTIONS ⁹Be(³¹Ar, X)³⁰Ar/²⁹Cl, E=620 MeV/nucleon; measured reaction products, Ep, Ip; deduced ground state energies, J, π.

RADIOACTIVITY ¹⁹Mg, ³⁰Ar(2p); measured decay products, Ep, Ip; deduced T_1/2 limits.

doi: 10.1103/PhysRevLett.115.202501
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