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

J 2017

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

SHAROV, P. G., Andrey S. FOMICHEV, A. A. BEZBAKH, Vratislav CHUDOBA, Irina A. EGOROVA et. al.

Basic information

Original name

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

Authors

SHAROV, P. G. (643 Russian Federation), Andrey S. FOMICHEV (643 Russian Federation), A. A. BEZBAKH (643 Russian Federation), Vratislav CHUDOBA (203 Czech Republic, guarantor, belonging to the institution), Irina A. EGOROVA (643 Russian Federation), M. S. GOLOVKOV (643 Russian Federation), T. A. GOLUBKOVA (643 Russian Federation), Alexander V. GORSHKOV (643 Russian Federation), Leonid V. GRIGORENKO (643 Russian Federation), G. KAMIŃSKI (616 Poland), A. G. KNYAZEV (643 Russian Federation), S. A. KRUPKO (643 Russian Federation), M. MENTEL (616 Poland), E. Yu NIKOLSKII (643 Russian Federation), Yu L. PARFENÔVA (643 Russian Federation), P. PLUCHINSKI (616 Poland), S. A. RYMZHANOVA (643 Russian Federation), S. I. SIDORCHUK (643 Russian Federation), R. S. SLEPNEV (643 Russian Federation), S. V. STEPANTSOV (643 Russian Federation), Gurgen M. TER-AKOPIAN (643 Russian Federation) and Roman WOLSKI (643 Russian Federation)

Edition

Physical Review C, 2017, 2469-9985

Other information

Language

English

Type of outcome

Článek v odborném periodiku

Field of Study

10304 Nuclear physics

Country of publisher

United States of America

Confidentiality degree

není předmětem státního či obchodního tajemství

References:

Physical Review C

RIV identification code

RIV/47813059:19240/17:A0000055

Organization unit

Faculty of Philosophy and Science in Opava

DOI

http://dx.doi.org/10.1103/PhysRevC.96.025807

UT WoS

000408513000007

Keywords in English

two-proton decay; nucleus; Ne-17

Abstract

V originále

Two-proton decay of the Ne-17 low-lying states populated in the H-1(Ne-18, d) Ne-17 transfer reaction is studied. The two-proton width Gamma(2p) of the Ne-17 first excited 3/2^(-) state at E* = 1.288 MeV is of importance for the two-proton radioactivity theory and nuclear-astrophysics applications. A dedicated search for the two-proton emission of this state was performed leading to the new upper limit obtained for the width ratio Gamma_(2p)/Gamma_(gamma). < 1.6(3) x 10^(-4). An original, "combined mass" method is suggested and tested as capable of improving the resolution of the experiment, which is a prime significance for the study of nuclear states with extremely small particle-to-gamma width ratios Gamma_(part)/Gamma_(gamma). The condition Gamma_(part) << Gamma_(gamma) quite common for the states of astrophysical interest, which makes the proposed approach promising in this field.

Citovat

SHAROV, P. G., Andrey S. FOMICHEV, A. A. BEZBAKH, Vratislav CHUDOBA, Irina A. EGOROVA, M. S. GOLOVKOV, T. A. GOLUBKOVA, Alexander V. GORSHKOV, Leonid V. GRIGORENKO, G. KAMIŃSKI, A. G. KNYAZEV, S. A. KRUPKO, M. MENTEL, E. Yu NIKOLSKII, Yu L. PARFENÔVA, P. PLUCHINSKI, S. A. RYMZHANOVA, S. I. SIDORCHUK, R. S. SLEPNEV, S. V. STEPANTSOV, Gurgen M. TER-AKOPIAN and Roman WOLSKI. Search for 2p decay of the first excited state of Ne-17. Physical Review C. 2017, vol. 96, No 2, p. „025807-1“-„025807-8“, 8 pp. ISSN 2469-9985. Available from: https://dx.doi.org/10.1103/PhysRevC.96.025807.

@article{29872,
   author = {Sharov, P. G. and Fomichev, Andrey S. and Bezbakh, A. A. and Chudoba, Vratislav and Egorova, Irina A. and Golovkov, M. S. and Golubkova, T. A. and Gorshkov, Alexander V. and Grigorenko, Leonid V. and Kamiński, G. and Knyazev, A. G. and Krupko, S. A. and Mentel, M. and Nikolskii, E. Yu and Parfenôva, Yu L. and Pluchinski, P. and Rymzhanova, S. A. and Sidorchuk, S. I. and Slepnev, R. S. and Stepantsov, S. V. and TerandAkopian, Gurgen M. and Wolski, Roman},
   article_number = {2},
   doi = {http://dx.doi.org/10.1103/PhysRevC.96.025807},
   keywords = {two-proton decay; nucleus; Ne-17},
   language = {eng},
   issn = {2469-9985},
   journal = {Physical Review C},
   title = {Search for 2p decay of the first excited state of Ne-17},
   url = {https://journals.aps.org/prc/abstract/10.1103/PhysRevC.96.025807},
   volume = {96},
   year = {2017}
}

TY  - JOUR
ID  - 29872
AU  - Sharov, P. G. - Fomichev, Andrey S. - Bezbakh, A. A. - Chudoba, Vratislav - Egorova, Irina A. - Golovkov, M. S. - Golubkova, T. A. - Gorshkov, Alexander V. - Grigorenko, Leonid V. - Kamiński, G. - Knyazev, A. G. - Krupko, S. A. - Mentel, M. - Nikolskii, E. Yu - Parfenôva, Yu L. - Pluchinski, P. - Rymzhanova, S. A. - Sidorchuk, S. I. - Slepnev, R. S. - Stepantsov, S. V. - Ter-Akopian, Gurgen M. - Wolski, Roman
PY  - 2017
TI  - Search for 2p decay of the first excited state of Ne-17
JF  - Physical Review C
VL  - 96
IS  - 2
SP  - „025807-1“-„025807-8“
EP  - „025807-1“-„025807-8“
SN  - 24699985
KW  - two-proton decay
KW  - nucleus
KW  - Ne-17
UR  - https://journals.aps.org/prc/abstract/10.1103/PhysRevC.96.025807
L2  - https://journals.aps.org/prc/abstract/10.1103/PhysRevC.96.025807
N2  - Two-proton decay of the Ne-17 low-lying states populated in the H-1(Ne-18, d) Ne-17 transfer reaction is studied. The two-proton width Gamma(2p) of the Ne-17 first excited 3/2^(-) state at E* = 1.288 MeV is of importance for the two-proton radioactivity theory and nuclear-astrophysics applications. A dedicated search for the two-proton emission of this state was performed leading to the new upper limit obtained for the width ratio Gamma_(2p)/Gamma_(gamma). < 1.6(3) x 10^(-4). An original, "combined mass" method is suggested and tested as capable of improving the resolution of the experiment, which is a prime significance for the study of nuclear states with extremely small particle-to-gamma width ratios Gamma_(part)/Gamma_(gamma). The condition Gamma_(part) << Gamma_(gamma) quite common for the states of astrophysical interest, which makes the proposed approach promising in this field.
ER  -

SHAROV, P. G., Andrey S. FOMICHEV, A. A. BEZBAKH, Vratislav CHUDOBA, Irina A. EGOROVA, M. S. GOLOVKOV, T. A. GOLUBKOVA, Alexander V. GORSHKOV, Leonid V. GRIGORENKO, G. KAMI$\backslash$'NSKI, A. G. KNYAZEV, S. A. KRUPKO, M. MENTEL, E. Yu NIKOLSKII, Yu L. PARFENÔVA, P. PLUCHINSKI, S. A. RYMZHANOVA, S. I. SIDORCHUK, R. S. SLEPNEV, S. V. STEPANTSOV, Gurgen M. TER-AKOPIAN and Roman WOLSKI. Search for 2p decay of the first excited state of Ne-17. \textit{Physical Review C}. 2017, vol.~96, No~2, p.~„025807-1“-„025807-8“, 8 pp. ISSN~2469-9985. Available from: https://dx.doi.org/10.1103/PhysRevC.96.025807.

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