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NSR database version of April 11, 2024.

Search: Author = L.Xayavong

Found 8 matches.

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2024XA01      Phys.Rev. C 109, 014317 (2024)

L.Xayavong, N.A.Smirnova

Higher-order isospin-symmetry-breaking corrections to nuclear matrix elements of Fermi β decays

doi: 10.1103/PhysRevC.109.014317
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2023HU19      Phys.Lett. B 847, 138293 (2023)

Y.Huang, L.Xayavong, X.L.Tu, J.Geng, Z.P.Li, J.T.Zhang, Z.H.Li

Neutron rearrangement of the magic number 90Zr-core determined by the matter density difference between 90Zr and 92Zr

NUCLEAR REACTIONS 90,92Zr(p, p), E=0.8 GeV; analyzed available data; deduced matter density distributions and root-mean-square matter radii through fitting the small-angle σ(θ) of proton elastic scattering with the Glauber model.

doi: 10.1016/j.physletb.2023.138293
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Data from this article have been entered in the XUNDL database. For more information, click here.


2023XA01      Phys.Rev. C 108, 064310 (2023)

L.Xayavong, Y.Lim

Realistic evaluation of the Coulomb potential in spherical nuclei and a test of the traditional approach

doi: 10.1103/PhysRevC.108.064310
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2023ZH34      Phys.Rev. C 108, 014614 (2023)

J.T.Zhang, P.Ma, Y.Huang, X.L.Tu, P.Sarriguren, Z.P.Li, Y.Kuang, W.Horiuchi, T.Inakura, L.Xayavong, Y.Sun, K.Kaneko, X.Q.Liu, K.Yue, C.J.Shao, Q.Zeng, B.Mei, P.Egelhof, Yu.A.Litvinov, M.Wang, Y.H.Zhang, X.H.Zhou, Z.Y.Sun

Matter radius of 78Kr from proton elastic scattering at 153 MeV

NUCLEAR REACTIONS 1H(78Kr, p), E=152 MeV/nucleon; measured Ep, Ip; deduced σ(θ). 78Kr; deduced point-matter radius, neutron skin thickness. Glauber model analysis. Comparison of the obtained σ to FRESCO calculations with the phenomenological OMP parameters (KD03). Collision in Cooler Storage Ring of the Heavy Ion Research Facility in Lanzhou (HIRFL-CSR) with molecular hydrogen-gas target. MICRON double-sided Si-strip detector (DSSD) used to measure the recoil protons.

doi: 10.1103/PhysRevC.108.014614
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Data from this article have been entered in the XUNDL database. For more information, click here.


2022XA01      Phys.Rev. C 105, 044308 (2022)

L.Xayavong, N.A.Smirnova

Radial overlap correction to superallowed 0+ → 0+ nuclear β decays using the shell model with Hartree-Fock radial wave functions

RADIOACTIVITY 10mB, 10C, 14mN, 14O, 18mF, 18Ne, 22mNa, 22Mg, 26mAl, 26Si, 30mP, 30S, 34Cl, 34Ar, 38mK, 38Ca, 42Sc, 42Ti, 46V, 46Cr, 50Mn, 50Fe, 54Co, 54Ni, 62Ga, 62Ge, 66As, 66Se, 70Br, 70Kr(EC), (β+); calculated radial overlap correction δR0 for superallowed 0+ to 0+ β transitions using; analyzed average Ft values, and experimentally determined ft ratios of the mirror-pair transitions. Shell model with Hartree-Fock radial wave functions, and several different effective Skyrme interactions, including Coulomb, charge-symmetry-breaking (CSB), and charge-independence-breaking (CIB) terms. Comparison with available experimental data. Relevance to conserved vector current (CVC) hypothesis and Vud matrix element of the Cabbibo-Kobayashi-Maskawa (CKM) quark-mixing matrix.

NUCLEAR STRUCTURE 10mB, 10C, 14mN, 14O, 18mF, 18Ne, 22mNa, 22Mg, 26mAl, 26Si, 30mP, 30S, 34Cl, 34Ar, 38mK, 38Ca, 42Sc, 42Ti, 46V, 46Cr, 50Mn, 50Fe, 54Co, 54Ni, 62Ga, 62Ge, 66As, 66Se, 70Br, 70Kr; calculated rms charge radii. Shell model with Hartree-Fock radial wave functions, and several different effective Skyrme interactions, including charge-independence-breaking (CIB) and charge-symmetry-breaking (CSB) terms. Comparison with available experimental data.

doi: 10.1103/PhysRevC.105.044308
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2021JI16      Symmetry 13, 2278 (2021)

H.Jian, Y.Gao, F.Dai, J.Liu, X.Xu, C.Yuan, K.Kaneko, Y.Sun, P.Liang, G.Shi, L.Sun, L.Xayavong, C.Lin, J.Lee, Z.Li, Y.Yang, P.Li, R.Fan, S.Zha, H.Zhu, J.Li, Q.Gao, Z.Zhang, R.Chen, J.Wang, D.Wang, H.Wu, K.Wang, Y.Lam, F.Duan, P.Ma, Z.Gao, Q.Hu, Z.Bai, J.Ma, J.Wang, F.Zhong, C.Wu, D.Luo, Y.Jiang, Y.Liu, D.Hou, R.Li, N.Ma, W.Ma, G.Yu, D.Patel, S.Jin, Y.Wang, Y.Yu, Q.Zhou, P.Wang, L.Hu, X.Wang, H.L.Zang, Q.Zhao, L.Yang, P.Wen, F.Yang, H.Jia, G.Zhang, M.Pan, X.Wang, H.Sun, M.Wang, Z.Hu, X.Zhou, Y.Zhang, H.Xu, M.Liu, H.-J.Ong, W.Yang

β-Delayed γ Emissions of 26P and Its Mirror Asymmetry

RADIOACTIVITY 26P(β+), (EC) [from 9Be(32S, X), E=80.6 MeV/nucleon, followed by separation using RIBBL1 at HRIBF, Lanzhou facility]; measured Eγ, Iγ, βγ-coin, T1/2 of 26P decay. 26Si; deduced levels, J, π, β++ϵ feedings, logft, mirror asymmetry parameter from comparison with the ϵ decay of mirror nucleus 26Na to 26Mg, mirror-energy differences (MEDs), and halo structure in 26P. Comparison with shell-model calculations.

NUCLEAR REACTIONS 9Be(32S, X)22Na/23Mg/24Al/25Si/26P/27S, E=80.6 MeV/nucleon; measured reaction products, particle-identification (PID) plot of ΔE vs TOF for the ions separated using RIBBL1 separator at HRIBF, Lanzhou facility.

doi: 10.3390/sym13122278
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2018XA01      Phys.Rev. C 97, 024324 (2018)

L.Xayavong, N.A.Smirnova

Radial overlap correction to superallowed 0+ → 0+ β decay reexamined

RADIOACTIVITY 22Mg, 26mAl, 26Si, 30S, 34Cl, 34Ar, 38mK, 38Ca(EC), (β+); calculated length parameter from fit of charge radii and radial-overlap correction with several different parametrizations, Fermi matrix elements, adjusted Ft values for 0+ to 0+ superallowed beta transitions, isospin symmetry-breaking correction, CVC test for radial overlap correction. Shell model calculations with USD, USDA, and USDB effective interactions. Comparison with Towner-Hardy calculations and evaluations of superallowed beta transitions.

doi: 10.1103/PhysRevC.97.024324
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2017MA18      Eur.Phys.J. A 53, 77 (2017)

C.Magron, Ph.Alfaurt, B.Blank, L.Daudin, T.Eronen, M.Gerbaux, J.Giovinazzo, D.Gorelov, S.Grevy, H.Guerin, J.Hakala, V.S.Kolhinen, J.Koponen, T.Kurtukian Nieto, I.D.Moore, H.Penttila, I.Pohjalainen, J.Reinikainen, M.Reponen, S.Rinta-Antila, M.Roche, A.de Roubin, N.Smirnova, B.Thomas, A.Voss, L.Xayavong

Precise measurements of half-lives and branching ratios for the β mirror transitions in the decay of 23Mg and 27Si

RADIOACTIVITY 23Mg, 27Si(β+), (EC)[from 23Na, 27Si(p, n), E=15, 30 MeV]; measured Eβ, Iβ using plastic scintillator, Eγ, Iγ using Ge detector; deduced T1/2, super-allowed branching ratio. Compared with other published results.

doi: 10.1140/epja/i2017-12271-0
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Data from this article have been entered in the XUNDL database. For more information, click here.


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