NSR Query Results

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NSR database version of April 27, 2024.

Search: Author = J.G.Deng

Found 18 matches.

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2024CH08      Phys.Lett. B 848, 138322 (2024)

J.-H.Cheng, W.-Y.Zhang, Q.Xiao, J.-G.Deng, T.-P.Yu

Determinants in laser-assisted deformed α decay

NUCLEAR STRUCTURE A=100-300; analyzed available data; deduced degree of agreement between theoretical T_1/2 and experimental data, rate of the change of penetration probability and the rate of the change of α decay half-life for different parent nuclei have different sensitivity to the high-intensity laser, rate of the relative change of penetration probability versus the Coulomb-Sommerfeld parameter.

doi: 10.1016/j.physletb.2023.138322
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2022DE15      Chin.Phys.C 46, 061001 (2022)

J.-G.Deng, H.-F.Zhang, X.-D.Sun

New behaviors of α-particle preformation factors near doubly magic ¹⁰⁰Sn

RADIOACTIVITY ^{104,106,108,110}Te, ^108,110,112Xe, ¹¹⁴Ba, ^{212,214,216,218}Po, ^{212,214,216,218,220,222}Rn, ^{214,216,218,220,222,224,226}Ra(α); calculated T_1/2 within the generalized liquid drop model. Comparison with available data.

doi: 10.1088/1674-1137/ac5a9f
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2022DE22      Eur.Phys.J. A 58, 165 (2022)

J.-G.Deng, H.-F.Zhang

Probing the robustness of N = 126 shell closure via the α decay systematics

RADIOACTIVITY ^{186,188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218}Po, ^{194,196,198,200,202,204,206,208,210,212,214,216,218,220,222}Rn, ^{202,204,206,208,210,212,214,216,218,220,222,224,226}Ra, ^{208,210,212,214,216,218,220,222,224,226,228,230,232}Th, ^{214,216,218,220,222,224,226,228,230,232,234,236,238}U(α); calculated T_1/2 within the generalized liquid drop model (GLDM); deduced α-particle preformation factors. Comparison with experimental data.

doi: 10.1140/epja/s10050-022-00813-8
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2021DE07      Chin.Phys.C 45, 024104 (2021)

J.-G.Deng, H.-F.Zhang

Systematic study of α decay half-lives within the Generalized Liquid Drop Model with various versions of proximity energies

RADIOACTIVITY ¹⁴⁸Gd, ^150,154Dy, ¹⁵⁴Er, ^154,158Yb, ^158,162Hf, ^160,164,168W, ^{162,168,172,186}Os, ^{168,174,178,182,190}Pt, ^{174,178,182,186}Hg, ^180,186,190Pb, ^{186,194,198,202,206,212,216}Po, ^{194,200,204,208,212,216,220}Rn, ^{202,208,216,220,224}Ra, ^{208,214,218,222,226,230}Th, ^{218,224,230,234}U, ^{228,232,236,240,244}Pu, ^{236,240,244,248,252}Cf, ^244,252,256Fm, ²⁵⁶No, ^256,260Rf, ^264,270Hs, ²⁸⁶Fl, ²⁹⁰Lv, ²⁹⁴Og(α); calculated T_1/2.

doi: 10.1088/1674-1137/abcc5a
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2020CH12      Nucl.Phys. A997, 121717(2020)

J.-Ha.Cheng, J.-L.Chen, J.-G.Deng, X.-H.Li, Z.Zhang, P.-C.Chu

Systematic study of proton emission half-lives within the two-potential approach with Skyrme-Hartree-Fock

doi: 10.1016/j.nuclphysa.2020.121717
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2020DE08      Phys.Rev. C 101, 034307 (2020)

J.-G.Deng, H.-F.Zhang, G.Royer

Improved empirical formula for α-decay half-lives

RADIOACTIVITY A=146-294, Z=62-118(α); calculated α-decay half-lives for even-even nuclei; A=147-285, Z=62-112(α); calculated α-decay half-lives of even Z-odd N nuclei; A=145-261, Z=61-107(α); calculated α-decay half-lives of odd Z-even N nuclei; A=148-256, Z=63-101(α); calculated α-decay half-lives for odd-odd nuclei, in all cases isomers included. ^{279,281,283,285,287,289,291,293,295,297,299,301,303,305,307,309,311,313,315,317}Ts, ^{281,282,283,284,285,286,287,288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307,308,309,310,311,312,313,314,315,316,317,318}Og, ^{285,287,289,291,293,295,297,299,301,303,305,307,309,311,313,315,317,319}119, ^{287,288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307,308,309,310,311,312,313,314,315,316,317,318,319,320}120(α); calculated Qα, half-lives. Improved Royer formulas and WS3+ mass model. Comparison with available experimental values, and with other theoretical predictions.

doi: 10.1103/PhysRevC.101.034307
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2020DE37      Phys.Rev. C 102, 044314 (2020)

J.-G.Deng, H.-F.Zhang

Analytic formula for estimating the α-particle preformation factor

RADIOACTIVITY ¹⁴⁸Eu, ^148,150Gd, ^149,151Tb, ^{150,151,152,153,154}Dy, ^{151,151m,152,152m,153m,154}Ho, ^{152,153,154,155,156}Er, ^{153,153m,154,154m,155,156}Tm, ^{154,155,156,157,158}Yb, ^{155,155m,156m,157m}Lu, ^{156,157,158,160,162}Hf, ^{157m,158,158m,159,159m}Ta, ^{158,159,160,161,162,163,164,166,168,180}W, ^{159m,160,161m,162,162m,163,163m,164m,165,165m,167m,169,169m}Re, ^{161,162,163,165,166,167,168,169,170,172,174,186}Os, ^{164m,165m,166,166m,167,167m,168,168m,169,169m,170,170m,171,171m,172,172m,173m,174,174m,175,177}Ir, ^{166,167,168,171,172,173,174,175,176,177,178,179,180,181,182,183,184,190}Pt, ^{170,170m,171m,173,173m,175,175m,176,177,177m,179,181,183,185,186}Au, ^{171,172,173,174,176,177,178,179,180,181,182,183,184,185,186}Hg, ^{177,177m,179,179m,180,181m,183,183m,186m,187m}Tl, ^{178,179,180,183m,184,185m,186,187,187m,188,189,190,191m,192}Pb, ^{186,186m,187,187m,189,190,190m,191,191m,192,192m,193,193m,194,194m,195,195m,196,196m,209,211,212,213,214}Bi, ^{186,187,189,190,194,195,195m,196,197,197m,198,199,199m,200,201,201m,202,203,203m,204,205,206,207,208,209,211m,212,213,214,215,216,218,219}Po, ^{191,191m,192,192m,193,193m,194,194m,195,197,197m,199,199m,200,200m,201,202,202m,203,204,205,206,207,208,209,210,211,212,213,215,217,218,219,220}At(α); calculated T_1/2 and α-preformation factors using an analytical formula as a bridge between the α-decay energy and α-particle preformation factor for even-even, odd-A and odd-odd α emitters. Comparison with experimental half-lives.

RADIOACTIVITY ^{193,194,195,195m,196,197,197m,200,202,203,203m,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223}Rn, ^{197,199,199m,200m,201,201m,203,203m,205,207,209,211,212,213,214,215,218,218m,219,220,221,223}Fr, ^{201,201m,202,203,203m,204,207,208,209,213,214,215,216,217,218,219,220,221,222,223,224,226}Ra, ^{205,207,211,215,216,216m,217,217m,218,219,221,222,223,225,226,227}Ac, ^{208,209m,212,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231}Th, ^{213,215,217,220,221,223,224,227,228,229,230}Pa, ^{216,218,219,221,222,224,225,226,227,229,230,231,232,233,234,236}U, ^{227,229,231,235,237,239}Np, ^{228,230,231,232,233,234,235,236,238,239,240,241,242,244}Pu, ^{229,233,235,237,239,241,242m,243}Am, ^{233,234,236,237,238,240,241,242,243,244,245,246,248}Cm, ²⁴⁷Bk, ^{238,240,241,242,243,244,245,246,247,248,250,251,252,254}Cf, ^{245,246,247,248,249,252,253,254m,255}Es, ^{243,244,247,247m,248,252,253,254,256,257}Fm, ^{247,247m,251,256m,258}Md, ^{251,251m,253,254,255,256,258,259}No, ^{253,253m,255,257,259}Lr, ^{255,256,257m,258,259,260,261,263}Rf, ²⁵⁹Db, ^{259,259m,260,261,263}Sg, ²⁶¹Bh, ^{264,265,268,269,270}Hs, ^{267,269,270,271,271m,273,277}Ds, ^277,281Cn, ^286,288,289Fl, ^290,292Lv, ²⁹⁴Og(α); calculated T_1/2 and α-preformation factors using an analytical formula as a bridge between the α-decay energy and α-particle preformation factor for even-even, odd-A and odd-odd α emitters. Comparison with experimental half-lives.

doi: 10.1103/PhysRevC.102.044314
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2019CH27      Nucl.Phys. A987, 350 (2019)

J.-H.Cheng, J.-L.Chen, J.G.Deng, X.-J.Wu, X.-H.Li, P.-C.Chu

Systematic study of α decay half-lives based on Gamow-like model with a screened electrostatic barrier

RADIOACTIVITY Z>51(α); calculated even-even nuclei T_1/2 using modified Gamow-like model including centrifugal potential and electrostatic shielding with two parameters, radius constant r₀ and a parameter for the screened electrostatic potential; Z=120; calculated T_1/2 for 7 even-even nuclei and for some of their not yet synthesized α-decay chain. Halflives compared with those calculated using different approaches and with available data.

doi: 10.1016/j.nuclphysa.2019.05.002
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2019CH41      J.Phys.(London) G46, 065107 (2019)

J.-L.Chen, X.-H.Li, J.-H.Cheng, J.-G.Deng, X.-J.Wu

Systematic study of proton radioactivity based on Gamow-like model with a screened electrostatic barrier

RADIOACTIVITY ¹⁰⁵Sb, ¹⁰⁹I, ^112,113Cs, ¹²¹Pr, ^130,131Eu, ¹³⁵Tb, ^140,141Ho, ^145,146,147Tm, ^150,151Lu, ^155,156,157Ta, ^159,160,161Re, ^{164,165,166,167}Ir, ^170,171Au, ^176,177Tl, ¹⁸⁵Bi(p); calculated T_1/2. Comparison with experimental data.

doi: 10.1088/1361-6471/ab1a56
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2019CH45      Eur.Phys.J. A 55, 214 (2019)

J.-L.Chen, J.-Y.Xu, J.-G.Deng, X.-H.Li, B.He, P.-C.Chu

New Geiger-Nuttall law for proton radioactivity

doi: 10.1140/epja/i2019-12927-7
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2019DE17      Eur.Phys.J. A 55, 58 (2019)

J.-G.Deng, X.-H.Li, J.L.Chen, J.-H.Cheng, X.-J.Wu

Systematic study of proton radioactivity of spherical proton emitters within various versions of proximity potential formalisms

RADIOACTIVITY ^145,146,147Tm, ^150,151Lu, ^155,156,157Ta, ^160,161Re, ^165,166,167Ir, ^170,171Au, ^176,177Tl, ¹⁸⁵Bi(p); calculated proton radioactivity T_1/2; compared with published calculations using different proximity potentials and with data.

doi: 10.1140/epja/i2019-12728-0
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2019LI58      Int.J.Mod.Phys. E28, 1950089 (2019)

H.-M.Liu, J.-Y.Xu, J.-G.Deng, B.He, X.-H.Li

Predictions of α decay half-lives for even-even superheavy nuclei with 104≤ Z ≤ 128 based on two-potential approach within cluster-formation model

RADIOACTIVITY ¹⁴⁴Nd, ^146,148Sm, ^148,150,152Gd, ^150,152,154Dy, ^152,154,156Er, ^154,156,158Yb, ^{156,158,160,162,164,166,168,170,172,174}Hf, ^{158,160,162,164,166,168}W, ¹⁸⁰W, ^{162,164,166,168,170,172,174}Os, ¹⁸⁶Os, ^{166,168,170,172,174,176,178,180,182,184,186,188,190}Pt, ^{172,174,176,178,180,182,184,186,188}Hg, ¹⁸⁰Pb, ^{184,186,188,190,192,194}Pb, ²¹⁰Pb, ¹⁹⁰Po, ^{194,196,198,200,202,204,206,208,210,212,214,216,218}Po, ^194,196Rn, ^{200,202,204,206,208,210,212,214,216,218,220,222}Rn, ^202,204Ra, ²⁰⁸Ra, ^{214,216,218,220,222,224,226}Ra, ^{212,214,216,218,220,222,224,226,228,230,232}Th, ^{216,218,220,222,224,226,228,230,232,234,236,238}U, ^{228,230,232,234,236,238,240,242,244}Pu, ^{234,236,238,240,242,244,246,248,250}Cm, ^{238,240,242,244,246,248,250,252,254,256}Cf, ²⁴⁴Fm, ²⁴⁸Fm, ^252,254,256Fm, ^254,256,258No, ^256,258,260Rf, ²⁶⁰Sg, ²⁶⁴Hs, ^268,270Hs, ²⁷⁰Ds, ^286,288Fl, ^290,292Lv, ²⁹⁴Og(α); calculated T_1/2. Comparison with available data.

doi: 10.1142/S0218301319500897
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2018DE14      Chin.Phys.C 42, 044102 (2018)

J.-G.Deng, J.-C.Zhao, J.-L.Chen, X.-J.Wu, X.-H.Li

α decay properties of ²⁹⁶Og within the two-potential approach

RADIOACTIVITY ^{250,252,254,256}Cf, ^254,256Fm, ^256,258No, ^258,260Rf, ²⁶⁰Sg, ^264,268,270Hs, ²⁷⁰Ds, ^294,296Og, ^290,292Lv, ^286,288Fl(α); calculated T_1/2. Comparison with experimental data.

doi: 10.1088/1674-1137/42/4/044102
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2018DE17      Phys.Rev. C 97, 044322 (2018)

J.-G.Deng, J.-C.Zhao, P.-C.Chu, X.-H.Li

Systematic study of α decay of nuclei around the Z=82, N=126 shell closures within the cluster-formation model and proximity potential 1977 formalism

RADIOACTIVITY ^{189,190,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,210,212,213,214,215,216,218,219}Po, ^{194,195,196,197,200,202,203,204,205,206,207,208,209,210,212,213,214,215,216,217,218,219,220,221,222}Rn, ^{202,203,204,207,208,209,213,214,215,216,217,218,219,220}Ra, ^{212,214,215,216,217,218,219,220,221}Th, ^{216,217,218,221,222}U, ^186,188Hg, ^{187,188,189,190,191,192,194,210}Pb, ^{190,192,194,209,210,212,213,214}Bi, ^{192,197,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,223}At, ^{199,200,201,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221}Fr, ^{212,213,214,215,217,219,220,221,222}Pa, ^{205,206,207,211,215,216,217,218,219,220}Ac(α); calculated α-decay preformation factors using cluster-formation model (CFM) and T_1/2 using proximity potential 1977 formalism (Prox.1977). Comparison with experimental data.

doi: 10.1103/PhysRevC.97.044322
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2017DE21      Phys.Rev. C 96, 024318 (2017)

J.-G.Deng, J.-C.Zhao, D.Xiang, X.-H.Li

Systematic study of unfavored α-decay half-lives of closed-shell nuclei related to ground and isomeric states

RADIOACTIVITY ^154mHo, ^161,163Hf, ¹⁶⁵W, ¹⁶⁸Re, ¹⁷¹Os, ^{170m,171m,172,173m,175}Ir, ^175,179Pt, ^177,181Hg, ^179,181Au, ^180,181mTl, ^187,189Pb, ^{190,192,192m,194m,209,212m,213,214}Bi, ^{189,203,211,211m}Po, ^{191m,193m,210,212}At, ^{193,205,211,213,219,221}Rn, ^{210,212,214,220}Fr, ^{207,213,215,219}Ra, ^214,216,216mAc, ^215,217Th, ²²⁴Pa(α), ²¹⁹U(α); calculated Q(α), half-lives, α-preformation probabilities for unfavored α decays of closed-shell nuclei related to ground and isomeric states around Z=82, N=82 and 126 closed shells. Two-potential approach for the valence nucleon (hole) and isospin asymmetry of the parent nuclei; deduced linear dependence on N_pN_n or N_pN_nI. Comparison with experimental data.

doi: 10.1103/PhysRevC.96.024318
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2017DE37      Chin.Phys.C 41, 124109 (2017)

J.-G.Deng, J.-H.Cheng, B.Zheng, X.-H.Li

α decay properties of ²⁹⁷Og within the two-potential approach

RADIOACTIVITY ^251,253,255Cf, ^253,255Es, ^253,257Fm, ^255,257,259Md, ^255,259No, ^257,259Lr, ^{257,259,261,263}Rf, ²⁵⁹Db, ^{259,261,263,265,271}Sg, ^261,271Bh, ^{265,267,269,273,275}Hs, ²⁷⁵Mt, ^{267,269,271,273,277,279,281}Ds, ²⁷⁹Rg, ^277,281,285Cn, ^283,285Nh, ^285,287,289Fl, ^287,289Mc, ^291,293Lv, ²⁹³Ts, ^293,295,297Og(α); calculated T_1/2, transitions J, π, preformation probabilities. Comparison with available data.

doi: 10.1088/1674-1137/41/12/124109
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2017SU06      Phys.Rev. C 95, 014319 (2017)

X.-D.Sun, C.Duan, J.-G.Deng, P.Guo, X.-H.Li

Systematic study of α decay for odd-A nuclei within a two-potential approach

RADIOACTIVITY ¹⁴⁵Pm, ¹⁴⁷Sm, ¹⁴⁷Eu, ¹⁴⁹Gd, ^149,149m,151Tb, ^151,153Dy, ^{151,151m,153,153m}Ho, ^153,155Er, ^153,153m,155Tm, ^155,157Yb, ^{155,155m,157m}Lu, ¹⁵⁷Hf, ^159,159mTa, ^159,161,163W, ^{159m,161m,163,163m,165m,167m,169m}Re, ^{161,163,165,167,169}Os, ^{165m,167,167m,169,169m,171m,173m,175,177}Ir, ^{167,171,173,175,177,179,181,183}Pt, ^{173,175,177,179,181,183,185}Au, ^{173,177,179,183,185}Hg, ^177,183,187mTl, ^{179,185,185m,187,187m,189,191m}Pb, ^{185m,187m,189m,191m,193m,195m,209,211,213}Bi, ^{187,189,195,195m,197,199,201,203,205,207,211,213,215,217}Po, ^{191m,193m,197,199,201,203,205,207,209,211,213,215,217}At, ^{193,195,195m,197,203,205,207,209,213,215,217,219,221,223}Rn, ^{199,201,203,205,207,209,211,213,215,219,221,223}Fr, ^{203,207,209,211,213,215,217,219,221,223}Ra, ^{207,211,215,217,219,221,223,225,227}Ac, ^{215,217,219,221,223,225,227,229,231}Th, ^{213,215,217,217m,219,221,223,227,229,231}Pa, ^{219,225,227,229,231,235}U, ^{225,227,229,231,235,237,239}Np, ^{229,231,233,235,237,241}Pu, ^{233,235,237,239,241,243}Am, ^{233,237,239,243,245,247}Cm, ^{243,245,247,249}Bk, ^247,249,255Cf, ^243,251,253Es, ^{243,247,247m,251,255,257}Fm, ^{247,247m,251,253,255,257}Md, ²⁵¹No, ^253,255mLr, ^{255m,257m,261,263}Rf, ²⁵⁷Db, ^{259m,261,263,265}Sg, ^265,267Hs, ^{267,269,271,271m,273,273m,277,281}Ds, ^281,285Cn, ²⁸⁹Fl(α); calculated α-decay half-lives for odd-A nuclei, preformation probabilities, and compared with experimental values. Two-potential approach based on isospin dependent nuclear potential.

doi: 10.1103/PhysRevC.95.014319
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2017SU11      Phys.Rev. C 95, 044303 (2017)

X.-D.Sun, J.-G.Deng, D.Xiang, P.Guo, X.-H.Li

Systematic study of α decay half-lives of doubly odd nuclei within the two-potential approach

RADIOACTIVITY ^{105,106,107,108,109,110}Te, ^{108,109,110,111,112,113}I, ^{109,110,111,112,113,115}Xe, ^112,114Cs, ¹¹⁴Ba, ¹⁴⁸Eu, ^152,154Ho, ^154,156Tm, ¹⁵⁶Lu, ¹⁵⁸Ta, ^{160,162,164,166}Re, ^{166,168,170,172,174}Ir, ^170,186Au, ^180,186Tl, ^{190,192,194,196,212,214}Bi, ^{192,194,198,200,202,204,206,208,210,212,214,216,218}At, ^{202,204,208,210,212,214,216,218,220}Fr, ^{212,220,224,228}Pa, ^{214,216,218,220,222,226}Ac, ^232,236Np, ^236,238,242Am, ^246,248Bk, ^{244,246,248,252,254}Es, ^{246,248,250,256,258,260}Md, ^254,258,260Lr, ^{272,274,278,280,282}Rg, ^{258,260,262,268}Db, ^{260,264,266,270,272,274}Bh, ^{268,270,274,276,278}Mt, ^{278,282,284,286}Nh, ^288,290Mc, ^292,294Ts, ²⁹⁶119(α); calculated α-decay half-lives, and α preformation probabilities for odd-odd nuclei using a two-potential approach, and compared with experimental values.

doi: 10.1103/PhysRevC.95.044303
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