KOSTYLEVA, D., I. MUKHA, Luis ACOSTA, Enrique CASAREJOS, Vratislav CHUDOBA, A. A. CIEMNY, W. DOMINIK, J. A. DUEÑAS, V. DUNIN, Jose M. ESPINO, A. ESTRADÉ, F. FARINON, A. FOMICHEV, H. GEISSEL, A. GORSHKOV, L. V. GRIGORENKO, Z. JANAS, G. KAMIŃSKI, O. KISELEV, R. KNÖBEL, S. KRUPKO, M. KUICH, Yuri A. LITVINOV, G. MARQUINEZ-DURÁN, I. MARTEL, C. MAZZOCCHI, C. NOCIFORO, A. K. ORDÚZ, M. PFÜTZNER, S. PIETRI, M. POMORSKI, A. PROCHAZKA, S. RYMZHANOVA, A. M. SÁNCHEZ-BENÍTEZ, C. SCHEIDENBERGER, H. SIMON, Brano SITAR, R. SLEPNEV, M. STANOIU, P. STRMEN, I. SZARKA, M. TAKECHI, Y. K. TANAKA, H. WEICK, M. WINKLER, J. S. WINFIELD, X. XU and M. V. ZHUKOV. Towards the Limits of Existence of Nuclear Structure: Observation and First Spectroscopy of the Isotope K-31 by Measuring Its Three-Proton Decay. Physical Review Letters. 2019, vol. 123, No 9, p. "092502-1"-"092502-5", 5 pp. ISSN 0031-9007. Available from: https://dx.doi.org/10.1103/PhysRevLett.123.092502.
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Basic information
Original name Towards the Limits of Existence of Nuclear Structure: Observation and First Spectroscopy of the Isotope K-31 by Measuring Its Three-Proton Decay
Authors KOSTYLEVA, D., I. MUKHA, Luis ACOSTA, Enrique CASAREJOS, Vratislav CHUDOBA (203 Czech Republic, guarantor, belonging to the institution), A. A. CIEMNY, W. DOMINIK, J. A. DUEÑAS, V. DUNIN, Jose M. ESPINO, A. ESTRADÉ, F. FARINON, A. FOMICHEV, H. GEISSEL, A. GORSHKOV, L. V. GRIGORENKO, Z. JANAS, G. KAMIŃSKI, O. KISELEV, R. KNÖBEL, S. KRUPKO, M. KUICH, Yuri A. LITVINOV, G. MARQUINEZ-DURÁN, I. MARTEL, C. MAZZOCCHI, C. NOCIFORO, A. K. ORDÚZ, M. PFÜTZNER, S. PIETRI, M. POMORSKI, A. PROCHAZKA, S. RYMZHANOVA, A. M. SÁNCHEZ-BENÍTEZ, C. SCHEIDENBERGER, H. SIMON, Brano SITAR, R. SLEPNEV, M. STANOIU, P. STRMEN, I. SZARKA, M. TAKECHI, Y. K. TANAKA, H. WEICK, M. WINKLER, J. S. WINFIELD, X. XU and M. V. ZHUKOV.
Edition Physical Review Letters, 2019, 0031-9007.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 10304 Nuclear physics
Country of publisher United States of America
Confidentiality degree is not subject to a state or trade secret
WWW URL
RIV identification code RIV/47813059:19240/19:A0000550
Organization unit Faculty of Philosophy and Science in Opava
Doi http://dx.doi.org/10.1103/PhysRevLett.123.092502
UT WoS 000483048500005
Keywords in English nuclear structure; nuclear binding; K-31 isotope; decay
Tags , LTT17003, RIVOK
Tags International impact, Reviewed
Links LTT17003, research and development project.
Changed by Changed by: Ing. Petra Skoumalová, učo 50554. Changed: 21/4/2020 11:40.
Abstract
The most remote isotope from the proton dripline (by 4 atomic mass units) has been observed: K-31. It is unbound with respect to three-proton (3p) emission, and its decays have been detected in flight by measuring the trajectories of all decay products using microstrip detectors. The 3p emission processes have been studied by the means of angular correlations of S-28 + 3p and the respective decay vertices. The energies of the previously unknown ground and excited states of K-31 have been determined. This provides its 3p separation energy value S_(3p) of -4.6(2) MeV. Upper half-life limits of 10 ps of the observed K-31 states have been derived from distributions of the measured decay vertices.
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