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NSR database version of May 24, 2024.

Search: Author = H.Oikawa

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2022VI03      Phys.Lett. B 830, 137123 (2022)

A.Vitez-Sveiczer, A.Algora, A.I.Morales, B.Rubio, G.G.Kiss, P.Sarriguren, P.Van Isacker, G.de Angelis, F.Recchia, S.Nishimura, J.Agramunt, V.Guadilla, A.Montaner-Piza, S.E.A.Orrigo, A.Horvath, D.Napoli, S.Lenzi, A.Boso, V.H.Phong, J.Wu, P.-A.Soderstrom, T.Sumikama, H.Suzuki, H.Takeda, D.S.Ahn, H.Baba, P.Doornebal, N.Fukuda, N.Inabe, T.Isobe, T.Kubo, S.Kubono, H.Sakurai, Y.Shimizu, C.Sidong, B.Blank, P.Ascher, M.Gerbaux, T.Goigoux, J.Giovinazzo, S.Grevy, T.Kurtukian Nieto, C.Magron, W.Gelletly, Zs.Dombradi, Y.Fujita, M.Tanaka, P.Aguilera, F.Molina, J.Eberth, F.Diel, D.Lubos, C.Borcea, E.Ganioglu, D.Nishimura, H.Oikawa, Y.Takei, S.Yagi, W.Korten, G.de France, P.Davies, J.Liu, J.Lee, T.Lokotko, I.Kojouharov, N.Kurz, H.Shaffner, A.Petrovici

The β-decay of 70Kr into 70Br: Restoration of the pseudo-SU(4) symmetry

RADIOACTIVITY 70Kr(EC), (β+p) [from 9Be(78Kr, X), E=345 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced γ-ray energies, partial level scheme, T1/2, log ft, B(GT), β-delayed proton emission probability, an approximate realization of pseudo-SU(4) symmetry in the system. Comparison with the proton-neutron quasiparticle random-phase approximation (pnQRPA) calculations. The Radioactive Ion Beam Factory (RIBF) of the RIKEN Nishina Center using the BigRIPS fragment separator, the ZeroDegree Spectrometer, the WAS3ABI implantation station and the EURICA HPGe cluster array.

doi: 10.1016/j.physletb.2022.137123
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2021OR01      Phys.Rev. C 103, 014324 (2021)

S.E.A.Orrigo, B.Rubio, W.Gelletly, P.Aguilera, A.Algora, A.I.Morales, J.Agramunt, D.S.Ahn, P.Ascher, B.Blank, C.Borcea, A.Boso, R.B.Cakirli, J.Chiba, G.de Angelis, G.de France, F.Diel, P.Doornenbal, Y.Fujita, N.Fukuda, E.Ganioglu, M.Gerbaux, J.Giovinazzo, S.Go, T.Goigoux, S.Grevy, V.Guadilla, N.Inabe, G.G.Kiss, T.Kubo, S.Kubono, T.Kurtukian-Nieto, D.Lubos, C.Magron, F.Molina, A.Montaner-Piza, D.Napoli, D.Nishimura, S.Nishimura, H.Oikawa, V.H.Phong, H.Sakurai, Y.Shimizu, C.Sidong, P.-A.Soderstrom, T.Sumikama, H.Suzuki, H.Takeda, Y.Takei, M.Tanaka, J.Wu, S.Yagi

β decay of the very neutron-deficient 60Ge and 62Ge nuclei

RADIOACTIVITY 59Zn, 60Ga, 60,62Ge(EC), (β+); 62Ge(β+p)[60,62Ge activities from 9Be(78Kr, X), E=345 MeV/nucleon at RIBF-RIKEN]; measured Eγ, Iγ, Ep, Ip, β+γ-, β+pγ- and γγ-coin, γ(implants)- and p(implants)-correlations, half-lives of decays of 60Ga, 60,62Ge using the WAS3ABi and EURICA arrays. 60Ge; deduced β+-delayed proton branching ratio. 60,62Ga, 59,60Zn, 59Cu; deduced levels, J, π, β feedings, Fermi and B(F) and Gamow-Teller B(GT) transition strengths, mass excesses of 60,62Ge, and 60Ga by analysis of IMME for A=60 nuclei. Comparison with previous experimental data.

NUCLEAR REACTIONS 9Be(78Kr, X), E=345 MeV/nucleon; measured reaction products, Z versus A/Q identification plot for nuclei of Z=28-36 and A/Q=1.85-1.95, with fragments separated using the BigRIPS separator and ZeroDegree spectrometer at RIBF-RIKEN facility, with main emphasis on the production of 60,62Ge.

doi: 10.1103/PhysRevC.103.014324
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2020GI02      Acta Phys.Pol. B51, 577 (2020)

J.Giovinazzo, T.Goigoux, B.Blank, P.Ascher, M.Gerbaux, S.Grevy, T.Kurtukian Nieto, C.Magron, P.Doornenbal, N.Fukuda, N.Inabe, G.G.Kiss, T.Kubo, S.Kubono, S.Nishimura, H.Sakurai, Y.Shimizu, C.Sidong, P.-A.Soderstrom, T.Sumikama, H.Suzuki, H.Takeda, P.Vi, J.Wu, D.S.Ahn, J.Agramunt, A.Algora, V.Guadilla, A.Montaner-Piza, A.I.Morales, S.E.A.Orrigo, B.Rubio, Y.Fujita, M.Tanaka, W.Gelletly, P.Aguilera, F.Molina, F.Diel, D.Lubos, G.De Angelis, D.Napoli, C.Borcea, A.Boso, R.B.Cakirli, E.Ganioglu, J.Chiba, D.Nishimura, H.Oikawa, Y.Takei, S.Yagi, K.Wimmer, G.De France, S.Go, B.A.Brown

Two-proton radioactivity: The interesting case of 67Kr and Further Studies

RADIOACTIVITY 67Kr(2p), (β+), 57Zn, 59,61Ge, 63,65Se, 68,69Kr(EC), (β+), (β+p), 55,56Cu, 60Ga, 63Ge, 64,65As, 67Kr(EC), (β+)[from 9Be(78Kr, X), E=350 MeV/nucleon, followed by separation of fragments using BigRIPS and Zero Degree Spectrometer at RIBF-RIKEN]; measured E(p), I(p), Eγ, half-lives of decays of isotopes from time distribution of (fragment)(decay events) correlations using EURICA-WAS3ABi setup at RIKEN; deduced %2p for the decay of 67Kr, and %β+p for 59,61Ge, 63Se, 68,69Kr. Comparison with previous experimental results.

doi: 10.5506/APhysPolB.51.577
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2020MI13      Phys.Rev.Lett. 125, 122501 (2020)

S.Michimasa, M.Kobayashi, Y.Kiyokawa, S.Ota, R.Yokoyama, D.Nishimura, D.S.Ahn, H.Baba, G.P.A.Berg, M.Dozono, N.Fukuda, T.Furuno, E.Ideguchi, N.Inabe, T.Kawabata, S.Kawase, K.Kisamori, K.Kobayashi, T.Kubo, Y.Kubota, C.S.Lee, M.Matsushita, H.Miya, A.Mizukami, H.Nagakura, H.Oikawa, H.Sakai, Y.Shimizu, A.Stolz, H.Suzuki, M.Takaki, H.Takeda, S.Takeuchi, H.Tokieda, T.Uesaka, K.Yako, Y.Yamaguchi, Y.Yanagisawa, K.Yoshida, S.Shimoura

Mapping of a New Deformation Region around 62Ti

ATOMIC MASSES 61,62,63,64V, 58,59,60,61,62Ti, 55,56,57,58,59,60Sc; measured time of flight, charge, magnetic rigidity; deduced mass excesses. Comparison with AME2016 and available data.

RADIOACTIVITY 59,61Ti, 56,58Sc(IT) [from 9Be(70Zn, X), E=345 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced γ-ray energies and intensities, T1/2. Comparison with available data.

doi: 10.1103/PhysRevLett.125.122501
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2020VI02      Acta Phys.Pol. B51, 587 (2020)

A.Vitez-Sveiczer, A.Algora, A.I.Morales, B.Rubio, G.G.Kiss, G.De Angelis, R.Recchia, S.Nishimura, J.Agramunt, V.Guadilla, A.Montaner-Piza, S.E.A.Orrigo, A.Horvath, D.Napoli, S.Lenzi, A.Boso, V.H.Phong, J.Wu, P.-A.Soderstrom, T.Sumikama, H.Suzuki, H.Takeda, D.S.Ahn, H.Baba, P.Doornenbal, N.Fukuda, N.Inabe, T.Isobe, T.Kubo, S.Kubono, H.Sakurai, Y.Shimizu, S.Chen, B.Blank, P.Ascher, M.Gerbaux, T.Goigoux, J.Giovinazzo, S.Grevy, T.Kurtukian Nieto, C.Magron, W.Gelletly, Z.Dombradi, Y.Fujita, M.Tanaka, P.Aguilera, F.Molina, J.Eberth, F.Diel, D.Lubos, C.Borcea, E.Ganioglu, D.Nishimura, H.Oikawa, Y.Takei, S.Yagi, W.Korten, G.De France, P.Davies, J.Liu, J.Lee, T.Lokotko, I.Kojouharov, N.Kurz, H.Shaffner

Studying the Exotic Decay 70Kr → 70Br*

doi: 10.5506/APhysPolB.51.587
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2019GO34      Acta Phys.Pol. B50, 399 (2019)

T.Goigoux, P.Ascher, B.Blank, M.Gerbaux, J.Giovinazzo, S.Grevy, T.Kurtukian Nieto, C.Magron, D.S.Ahn, P.Doornenbal, N.Fukuda, N.Inabe, G.Kiss, T.Kubo, S.Kubono, S.Nishimura, H.Sakurai, Y.Shimizu, C.Sidong, P.-A.Soderstrom, T.Sumikama, H.Suzuki, H.Takeda, P.Vi, J.Wu, Y.Fujita, M.Tanaka, J.Agramunt, A.Algora, V.Guadilla, A.Montaner-Piza, A.I.Morales, S.E.A.Orrigo, B.Rubio, W.Gelletly, P.Aguilera, F.Molina, F.Diel, D.Lubos, G.de Angelis, D.Napoli, C.Borcea, A.Boso, R.B.Cakirli, E.Ganioglu, J.Chiba, D.Nishimura, H.Oikawa, Y.Takei, S.Yagi, K.Wimmer, G.De France, S.Go, B.A.Brown

67Kr Two-proton Radioactivity: Results and Theoretical Interpretations

RADIOACTIVITY 67Kr(2p)[from 9Be(78Kr, X), E=350 MeV/nucleon, followed by separation of fragments using BigRIPS and Zero Degree Spectrometer at RIBF-RIKEN]; measured E(p), I(p), half-life of decay of 67Kr from time distribution of (fragment)(decay events) correlations using EURICA-WAS3ABi setup at RIKEN. 67Kr; deduced %2p, Nilsson configurations. Comparison with theoretical calculations. 59Ge, 63Se, 68Kr; isotopes observed in A/Q versus Z identification plot.

doi: 10.5506/aphyspolb.50.399
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2019RU07      Proc.XLII Symposium on Nuclear Physics 2019 (Cocoyoc2019), 7-10 January 2019, Cocoyoc, Mexico, p.012018 (2019), J.Phys.:Conf. Ser. 1308 (2019)

B.Rubio, P.Aguilera, F.Molina, J.Agramunt, A.Algora, V.Guadilla, A.Montaner-Piza, A.I.Morales, S.E.A.Orrigo, W.Gelletly, B.Blank, P.Asher, M.Gerbaux, J.Giovinazzo, S.Grevy, T.Kurtukian, C.Magron, J.Chiba, D.Nishimura, H.Oikawa, Y.Takei, S.Yang, D.S.Ahn, P.Doornenbal, N.Fukuda, N.Inabe, G.Kiss, T.Kubo, S.Kubono, S.Nishimura, Y.Shimizu, C.Sidong, P.-A.Soderstrom, T.Sumikama, H.Suzuki, H.Takeda, P.Vi, J.Wu, Y.Fujita, M.Tanaka, F.Diel, D.Lubos, G.de Angelis, D.Napoli, C.Borcea, A.Boso, R.B.Cakirli, E.Ganioglu, G.de France, S.Go

Beta decay of the Tz=-2 nucleus 64Se and its descendants

RADIOACTIVITY 64Se, 64As(β+), (EC), (β+p)[from 9Be(78Kr, X), E=345 MeV, followed by separation of fragments using BigRIPS separator and implantation in double-sided Si-strip detectors (DSSSDs) at RIBF-RIKEN facility]; 63Ge(β+), (EC)[from 74Se β+p decay]; measured reaction products, particle identification plot, Eγ, Iγ, (implants)γ-coin, E(p), I(p) from β+-delayed proton decays, T1/2 of decays of 64Se, 64As, 63Ge. 64As, 63,64Ge, 63Ga; deduced levels, J, π, 0+ IAS of 64As, mirror states in 64As and 64Ga, and in 63Ge and 63Ga.

doi: 10.1088/1742-6596/1308/1/012018
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2018MI08      Phys.Rev.Lett. 121, 022506 (2018)

S.Michimasa, M.Kobayashi, Y.Kiyokawa, S.Ota, D.S.Ahn, H.Baba, G.P.A.Berg, M.Dozono, N.Fukuda, T.Furuno, E.Ideguchi, N.Inabe, T.Kawabata, S.Kawase, K.Kisamori, K.Kobayashi, T.Kubo, Y.Kubota, C.S.Lee, M.Matsushita, H.Miya, A.Mizukami, H.Nagakura, D.Nishimura, H.Oikawa, H.Sakai, Y.Shimizu, A.Stolz, H.Suzuki, M.Takaki, H.Takeda, S.Takeuchi, H.Tokieda, T.Uesaka, K.Yako, Y.Yamaguchi, Y.Yanagisawa, R.Yokoyama, K.Yoshida, S.Shimoura

Magic Nature of Neutrons in Ca54 : First Mass Measurements of 55-57Ca

ATOMIC MASSES 55,56,57Ca, 48Ar, 44,46Cl, 40,42P, 40Si; measured charge, TOF, magnetic rigidity, and flight path length between the timing detectors; deduced m/q spectrum of reference masses, mass excesses. Comparison with AME2016 evaluation.

doi: 10.1103/PhysRevLett.121.022506
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2017DU04      Acta Phys.Pol. B48, 473 (2017)

H.Du, M.Fukuda, D.Nishimura, M.Takechi, T.Suzuki, Y.Tanaka, I.Kato, M.Tanaka, K.Abe, T.Izumikawa, H.Oikawa, T.Ohtsubo, J.Ohno, Y.Kanke, H.Kikuchi, A.Kitagawa, S.Sato, U.Sayama, J.Shimaya, S.Suzuki, Y.Takeuchi, T.Takemoto, N.Tadano, R.Tamura, J.Nagumo, K.Nishizuka, S.Fukuda, K.Hori, S.Matsunaga, A.Mizukami, M.Mihara, E.Miyata, D.Murooka, S.Yamaoka, T.Yamaguchi

Nuclear Structure of 15, 16C via Reaction Cross-section Measurements

NUCLEAR REACTIONS 1H, 9Be, 12C, 27Al(15C, x), (16C, x), E=40-140 MeV/nucleon; measured outgoing particles using ΔE-E counter telescope; deduced reaction σ, mass and charge density of 14,15,16C vs radius, mass and charge radii using the data supplemented by published data at different eneegies. Compared with data on radii (both experimental and calculations) from other groups.

doi: 10.5506/APhysPolB.48.473
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2017MI04      Acta Phys.Pol. B48, 409 (2017)

E.Miyata, M.Takechi, T.Ohtsubo, M.Fukuda, D.Nishimura, K.Abe, K.Aoki, A.Ikeda, T.Izumikawa, H.Oikawa, K.Ohnishi, S.Ohmika, I.Kato, Y.Kanke, N.Kanda, R.Kanbe, H.Kikuchi, A.Kitagawa, S.Sato, H.Shimamura, J.Shimaya, S.Suzuki, T.Suzuki, R.Takagaki, H.Takahashi, Y.Takei, Y.Takeuchi, T.Takenouchi, N.Tadano, M.Tanaka, Y.Tanaka, K.Chikaato, H.Du, J.Nagumo, K.Nishizuka, T.Nishimura, S.Fukuda, M.Machida, A.Mizukami, M.Mihara, J.Muraoka, S.Yagi, S.Yamaoka, T.Yamaguchi, K.Yokoyama

Development of High Resolution TOF Detector for RI Beams Using Cherenkov Radiation

doi: 10.5506/APhysPolB.48.409
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2017MO18      Phys.Rev. C 95, 064327 (2017)

A.I.Morales, A.Algora, B.Rubio, K.Kaneko, S.Nishimura, P.Aguilera, S.E.A.Orrigo, F.Molina, G.de Angelis, F.Recchia, G.Kiss, V.H.Phong, J.Wu, D.Nishimura, H.Oikawa, T.Goigoux, J.Giovinazzo, P.Ascher, J.Agramunt, D.S.Ahn, H.Baba, B.Blank, C.Borcea, A.Boso, P.Davies, F.Diel, Zs.Dombradi, P.Doornenbal, J.Eberth, G.de France, Y.Fujita, N.Fukuda, E.Ganioglu, W.Gelletly, M.Gerbaux, S.Grevy, V.Guadilla, N.Inabe, T.Isobe, I.Kojouharov, W.Korten, T.Kubo, S.Kubono, T.Kurtukian Nieto, N.Kurz, J.Lee, S.Lenzi, J.Liu, T.Lokotko, D.Lubos, C.Magron, A.Montaner-Piza, D.R.Napoli, H.Sakurai, H.Schaffner, Y.Shimizu, C.Sidong, P.-A.Soderstrom, T.Sumikama, H.Suzuki, H.Takeda, Y.Takei, M.Tanaka, S.Yagi

Simultaneous investigation of the T=1(Jπ=0+) and T=0(Jπ=9+) β decays in 70Br

RADIOACTIVITY 70Br(β+), (EC) [from 9Be(78Kr, X), E=345 MeV/nucleon at RIKEN's RILAC2-RRC-fRC-IRC-SRC acceleration system using BigRIPS separator and ZeroDegree spectrometer]; measured reaction products, Eγ, Iγ, Eβ, half-life of the 9+ isomer by βγ(t), and 0+ ground state by (70Br)β(t), γγ-, and βγ-coin using Wide-Range Active Silicon Strip Stopper array for β and ion detection (WAS3ABi), and EURICA array for γ detection. 70Se; deduced levels, J, π, β feedings, logf Ft, bands, Ft value for the superallowed decay of 70Br. Comparison with Shell-model calculations using the PMMU and JUN45 interactions. Discussed test of the CVC hypothesis using the data in the present work.

doi: 10.1103/PhysRevC.95.064327
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2017TA06      Acta Phys.Pol. B48, 461 (2017)

M.Tanaka, M.Fukuda, D.Nishimura, M.Takechi, S.Suzuki, H.Du, Y.Tanaka, K.Aoki, S.Fukuda, A.Honma, T.Izumikawa, Y.Kamisho, N.Kanda, I.Kato, Y.Kanke, A.Kitagawa, J.Kohno, M.Machida, K.Matsuta, M.Mihara, E.Miyata, Y.Morita, J.Muraoka, D.Murooka, T.Nagai, M.Nagashima, K.Ohnishi, J.Ohno, T.Ohtsubo, H.Oikawa, S.Sato, H.Shimamura, T.Sugihara, T.Suzuki, N.Tadano, R.Takagaki, Y.Takei, A.Takenouchi, S.Yagi, T.Yamaguchi, S.Yamaki, S.Yamaoka

Reaction Cross Sections for 13-15B and One-neutron Halo in 14B

NUCLEAR REACTIONS 1H, 9Be, 12C, 27Al(13B, x), (14B, x), (15B, x), E=50-130 MeV/nucleon; measured reaction products; deduced reaction σ; calculated σ using Glauber-type approach; deduced nuclear matter density distribution, matter and charge radii for 13,15B and one-neutron halo 14B. Cross sections compared also with asymptotical σ at relativistic energy; nuclear radii with both calculations and data for B isotopes published in literature.

doi: 10.5506/APhysPolB.48.461
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2707.


2016BL05      Phys.Rev. C 93, 061301 (2016)

B.Blank, T.Goigoux, P.Ascher, M.Gerbaux, J.Giovinazzo, S.Grevy, T.Kurtukian Nieto, C.Magron, J.Agramunt, A.Algora, V.Guadilla, A.Montaner-Piza, A.I.Morales, S.E.A.Orrigo, B.Rubio, D.S.Ahn, P.Doornenbal, N.Fukuda, N.Inabe, G.Kiss, T.Kubo, S.Kubono, S.Nishimura, V.H.Phong, H.Sakurai, Y.Shimizu, P.-A.Soderstrom, T.Sumikama, H.Suzuki, H.Takeda, J.Wu, Y.Fujita, M.Tanaka, W.Gelletly, P.Aguilera, F.Molina, F.Diel, D.Lubos, G.de Angelis, D.Napoli, C.Borcea, A.Boso, R.B.Cakirli, E.Ganioglu, J.Chiba, D.Nishimura, H.Oikawa, Y.Takei, S.Yagi, K.Wimmer, G.de France, S.Go

New neutron-deficient isotopes from 78Kr fragmentation

NUCLEAR REACTIONS 9Be(78Kr, X)39Ti/40Ti/43Cr/44Cr/46Mn/47Fe/48Fe/51Ni/59Ge/60Ge/63Se/64Se/67Kr/68Kr, E=345 MeV/nucleon; measured fragmentation residues, production σ using BigRIPS separator, zero-degree spectrometer, WAS3ABi setup for implantation, and EURICA array for γ detection at RIBF-RIKEN facility. Comparison of experimental cross sections with predictions from the EPAX3 parameterization. 63Se, 67Kr, 68Kr; newly identified nuclides. 59Ge, 63Se, 67Kr; candidates for 2p emitters. 58Ge, 62Se, 66Kr; deduced upper limit of cross sections, half-lives, search for these nuclides proved unsuccessful, consistent with unbound nature of these nuclei.

doi: 10.1103/PhysRevC.93.061301
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2515. Data from this article have been entered in the XUNDL database. For more information, click here.


2016GO26      Phys.Rev.Lett. 117, 162501 (2016)

T.Goigoux, P.Ascher, B.Blank, M.Gerbaux, J.Giovinazzo, S.Grevy, T.Kurtukian Nieto, C.Magron, P.Doornenbal, G.G.Kiss, S.Nishimura, P.-A.Soderstrom, V.H.Phong, J.Wu, D.S.Ahn, N.Fukuda, N.Inabe, T.Kubo, S.Kubono, H.Sakurai, Y.Shimizu, T.Sumikama, H.Suzuki, H.Takeda, J.Agramunt, A.Algora, V.Guadilla, A.Montaner-Piza, A.I.Morales, S.E.A.Orrigo, B.Rubio, Y.Fujita, M.Tanaka, W.Gelletly, P.Aguilera, F.Molina, F.Diel, D.Lubos, G.de Angelis, D.Napoli, C.Borcea, A.Boso, R.B.Cakirli, E.Ganioglu, J.Chiba, D.Nishimura, H.Oikawa, Y.Takei, S.Yagi, K.Wimmer, G.de France, S.Go, B.A.Brown

Two-Proton Radioactivity of 67Kr

RADIOACTIVITY 67Kr(2p), 59Ge, 63Se(β+) [from Be(78Kr, X), E=345 MeV/nucleon]; measured decay products, Eβ, Iβ; deduced decay energy, branching ratio, T1/2. Comparison with available data.

doi: 10.1103/PhysRevLett.117.162501
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