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NSR database version of April 29, 2024.

Search: Author = D.T.Akrawy

Found 20 matches.

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2023AK06      Int.J.Mod.Phys. E32, 2350026 (2023)

D.T.Akrawy, H.C.Manjunatha, G.Saxena, Ali H.Ahmed, N.Sowmya

Systematic study of α-decay half-lives for Pa isotopes using MGLDM model

RADIOACTIVITY ^{211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241}Pa(α); calculated T_1/2 using MYQZR, RoyerA, YQZR, MRenB, Akrawy, SemFIS and AKRE formulas, MGLDM macroscopic model.

doi: 10.1142/S021830132350026X
Citations: PlumX Metrics

2023SA51      Int.J.Mod.Phys. E32, 2350047 (2023)

K.P.Santhosh, D.T.Akrawy, T.A.Jose, Ali H.Ahmed, H.Hassanabadi, S.S.Hosseini, V.Zanganah, L.Sihver

A systematic study of α-decay half-lives for Ac, Th, Pa, U and Np isotopes with A = 205-245 using the modified generalized liquid drop model

RADIOACTIVITY ^{205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237}Ac, ^{208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239}Th, ^{211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241}Pa, ^{214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243}U, ^{219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245}Np(α); calculated T_1/2. Comparison with available data.

doi: 10.1142/S0218301323500477
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2022AK03      Nucl.Phys. A1021, 122419 (2022)

D.T.Akrawy, Dorin N.Poenaru, A.H.Ahmed, L.Sihver

α-decay half-lives new semi-empirical relationship including asymmetry, angular momentum and shell effects

NUCLEAR STRUCTURE N=20-180; calculated α-decay T_1/2 using a modified version of the semi-empirical formula SemFIS. Comparison with available data.

doi: 10.1016/j.nuclphysa.2022.122419
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2022AK06      Eur.Phys.J. A 58, 145 (2022)

D.T.Akrawy, A.I.Budaca, G.Saxena, A.H.Ahmed

Generalization of the screened universal α-decay law by asymmetry and angular momentum

RADIOACTIVITY ^106,108Te, ¹¹²Xe, ¹¹⁴Ba, ^146,148Sm, ^148,150,152Gd, ^150,152,154Dy, ^152,154Er, ^154,156Yb, ^156,158,160Hf, ^158,160,162W, ¹⁶⁶W, ¹⁶²Os, ¹⁶⁶Os, ¹⁷⁰Os, ¹⁷⁴Os, ^{178,180,182,184}Pt, ^188,190Pt, ^174,176Hg, ^180,182,184Hg, ¹⁸⁸Hg, ^188,190Pb, ²¹⁰Pb, ^{190,192,194,196,198,200,202,204,206,208,210,212,214,216,218}Po, ^{194,196,198,200,202}Rn, ^{206,208,210,212}Rn, ^218,220,222Rn, ^{206,208,210,212,214}Ra, ^{220,222,224,226}Ra, ²¹⁰Th, ^216,218Th, ^{222,224,226,228,230,232}Th, ^{224,226,228,230,232,234,236,238}U, ^{230,232,234,236,238,240,242,244}Pu, ^{238,240,242,244,246,248}Cm, ²⁴⁰Cf, ^{244,246,248,250,252,254}Cf, ^{248,250,252,254,256}Fm, ²⁵²No, ²⁵⁶No, ^256,258Rf, ^260,262Sg, ^264,266Hs, ²⁷⁰Hs, ²⁷⁰Ds, ^286,288Fl, ^290,292Lv, ²⁹⁴Og, ^105,107Te, ¹⁰⁹Xe, ¹⁴⁷Sm, ¹⁵¹Gd, ^151,153Dy, ^153,155Er, ^155,157Yb, ¹⁵⁷Hf, ¹⁵⁹W, ¹⁶⁵W, ¹⁶¹Os, ¹⁶⁷Os, ¹⁷³Os, ^{167,169,171,173,175,177}Pt, ¹⁸³Pt, ^{173,175,177,179}Hg, ^183,185Hg, ¹⁹¹Pb, ^187,189,191Po, ^{195,197,199,201}Po, ^{205,207,209,211,213}Po, ^{195,197,199,201,203}Rn, ^{207,209,211,213,215}Rn, ^219,221Rn, ^203,205Ra, ^{209,211,213,215,217,219,221}Ra, ^{211,213,215,217,219,221,223,225,227}Th, ^217,219U, ^223,225U, ²³⁵U, ^239,241Pu, ^{241,243,245,247}Cm, ^249,251Cf, ^{251,253,255,257}Fm, ²⁶³Rf, ^259,261Sg, ^269,271Sg, ^265,267Hs, ²⁷³Hs, ²⁶⁷Ds, ^269,271,273Ds, ²⁷⁷Ds, ²⁸¹Ds, ²⁸¹Cn, ²⁸⁵Cn, ^287,288,289Fl, ^291,293Lv, ¹¹¹I, ¹⁴⁷Eu, ^149,151Tb, ¹⁵³Tm, ¹⁶⁹Ir, ¹⁷⁷Ir, ¹⁷³Au, ^181,183,185Au, ^177,179Tl, ^187,189Bi, ^193,195Bi, ^211,213Bi, ^{197,199,201,203,205,207,209,211,213,215,217,219}At, ^{201,203,205,207,209,211,213,215,217,219,221,223}Fr, ^{209,211,213,215,217,219,221,223,225,227}Ac, ^{213,215,217,219}Pa, ^225,227Pa, ²³¹Pa, ^235,237Np, ^239,241,243Am, ^243,245Bk, ²⁴⁹Bk, ^243,245Es, ^255,257Lr, ^257,259Db, ²⁶³Db, ²⁶¹Bh, ²⁶⁷Bh, ²⁷⁵Mt, ²⁷⁹Rg, ^283,285Nh, ^287,289Mc, ²⁹³Ts, ^110,112I, ¹¹⁴Cs, ¹⁴⁸Eu, ^152,154Ho, ^154,156Tm, ¹⁵⁸Lu, ¹⁶²Ta, ^160,162Re, ¹⁶⁶Ir, ^170,172,174Au, ¹⁸²Au, ¹⁸²Tl, ^212,213,214Bi, ^{196,198,200,202,204,206,208,210,212,214,216,218}At, ^{200,202,204,206,208,210,212,214,216,218,220}Fr, ^{206,208,210,212,214,216,218,220,222,224}Ac, ²¹²Pa, ²¹⁶Pa, ²²⁶Pa, ²³⁰Pa, ²⁵⁴Es, ²⁵⁶Md, ^256,258Db, ²⁶⁰Bh, ^264,266Bh, ^270,272,274Bh, ²⁶⁸Mt, ^274,276,278Mt, ^272,274Rg, ^278,280Rg, ²⁷⁸Nh, ^284,286Nh, ^288,290Mc, ²⁹⁴Ts(α); calculated T_1/2. Comparison with available data.

doi: 10.1140/epja/s10050-022-00789-5
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2022GH09      Eur.Phys.J. A 58, 179 (2022)

R.Gharaei, S.Mohammadi, D.T.Akrawy, A.H.Ahmed

Calculation of α-decay half-lives for isotopes around N = Z using different proximity-type potentials

RADIOACTIVITY ^{105,106,107,108,109,110}Te, ^{108,109,110,111,112,113}I, ^{109,110,111,112,113}Xe, ^112,114Cs, ¹¹⁴Ba(α); calculated T_1/2 within the framework of 16 different versions of proximity potentials. Comparison with available data.

doi: 10.1140/epja/s10050-022-00820-9
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2020AK05      Int.J.Mod.Phys. E29, 2050052 (2020)

D.T.Akrawy, A.H.Ahmed, E.Tel, A.Aydin, L.Sihver

New empirical formula for calculating (n, p) reaction cross-sections at 14.5MeV neutrons

NUCLEAR STRUCTURE Z=20-90; analyzed available data; deduced formula.

doi: 10.1142/S0218301320500524
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2020HO08      Int.J.Mod.Phys. E29, 2050008 (2020)

S.S.Hosseini, H.Hassanabadi, D.T.Akrawy, A.H.Ahmed

Theoretical studies on Alpha decay half-lives of Astatine isotopes

RADIOACTIVITY ^{191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219}At(α); calculated Q-values, T_1/2. Comparison with available data.

doi: 10.1142/S0218301320500081
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2020SI27      Nucl.Phys. A1004, 122035 (2020)

U.K.Singh, P.K.Sharma, M.Kaushik, S.K.Jain, D.T.Akrawy, G.Saxena

Study of decay modes in transfermium isotopes

RADIOACTIVITY ^{245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260}Md, ^{250,251,252,253,254,255,256,257,258,259,260,261,262}No, ^{252,253,254,255,256,257,258,259,260,261,262,263,264,265,266}Lr, ^{253,254,255,256,257,258,259,260,261,262,263,264,265}Rf, ^{255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270}Db, ^{258,259,260,261,262,263,264,265,266,267,268,269,270,271}Sg, ^{260,261,262,263,264,265,266,267,268,269,270,271,272,273,274}Bh, ^{263,264,265,266,267,268,269,270,271,272,273,274,275,276,277}Hs, ^{266,267,268,269,270,271,272,273,274,275,276,277,278}Mt(EC), (β^-), (α), (SF); calculated T_1/2. Comparison with available data.

doi: 10.1016/j.nuclphysa.2020.122035
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2020ZA03      Nucl.Phys. A997, 121714(2020)

V.Zanganah, D.T.Akrawy, H.Hassanabadi, S.S.Hosseini, S.Thakur

Calculation of α-decay and cluster half-lives for ^197-226Fr using temperature-dependent proximity potential model

doi: 10.1016/j.nuclphysa.2020.121714
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2019AK02      Nucl.Phys. A983, 310 (2019)

D.T.Akrawy, H.Hassanabadi, Y.Qian, K.P.Santhosh

Influence of nuclear isospin and angular momentum on α-decay half-lives

RADIOACTIVITY ^{246,252,248,254,250,256,255,253}Fm, ^252,256No, ^255,257Lr, ^258,256,263Rf, ^{257,259,263,256}Db, ^{260,262,259,271,261,269}Sg, ^{267,264,272,266,274,270}Bh, ^{264,266,270,273,265,267}Hs, ^{275,274,276,268,278}Mt, ^{270,271,281,267,273,277}Ds, ^{279,272,280,278}Rg, ²⁸¹Cn, ^{283,285,284,278,282}Nh, ^286,288Fl, ²⁹⁰Mc, ^290,292Lv, ^293,294Ts, ²⁹⁴Og(α); analyzed available data; calculated T_1/2; deduced influence of isospin and angular momentum on α-decay half-lives. Comparison with available data.

doi: 10.1016/j.nuclphysa.2018.10.091
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2019AK07      Phys.Rev. C 100, 034608 (2019)

D.T.Akrawy, K.P.Santhosh, H.Hassanabadi

α-decay half-lives of some superheavy nuclei within a modified generalized liquid drop model

RADIOACTIVITY ^{246,248,250,252,253,254,255,256}Fm, ^252,256No, ^255,257Lr, ^256,258,263Rf, ^{256,257,259,263}Db, ^{259,260,261,262,269,271}Sg, ^{264,266,267,270,272,274}Bh, ^{264,265,266,267,270,273}Hs, ^{268,274,275,276,278}Mt, ^{267,270,271,273,277,281}Ds, ^{272,278,279,280}Rg, ²⁸¹Cn, ^{278,282,283,284,285}Nh, ^286,288Fl, ²⁹⁰Mc, ^290,292Lv, ^293,294Ts, ²⁹⁴Og(α); calculated half-lives for α decay using modified generalized liquid drop model (MGLDM). Comparison with other theoretical models, and with available experimental values.

doi: 10.1103/PhysRevC.100.034608
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2019AK08      Phys.Rev. C 100, 044618 (2019)

D.T.Akrawy, A.H.Ahmed

α-decay systematics for superheavy nuclei

RADIOACTIVITY ^{255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270}Db, ^{259,260,261,262,263,264,265,266,267,268,269,270,271}Sg, ^{260,261,262,263,264,265,266,267,268,269,270,271,272,273,274}Bh, ^{264,265,266,267,268,269,270,271,272,273,274,275}Hs, ^{265,266,267,268,269,270,271,272,273,274,275,276,277,278}Mt, ^{267,268,269,270,271,272,273,274,275,276,277,278,279,280,281}Ds, ^{272,273,274,275,276,277,278,279,280,281,282}Rg, ^{276,277,278,279,280,281,282,283,284,285}Cn, ^{278,279,280,281,282,283,284,285,286,287,288}Nh, ^{283,284,285,286,287,288,289,290,291,292}Fl, ^{286,287,288,289,290,291,292,293,294,295}Mc, ^{287,288,289,290,291,292,293,294,295,296}Lv, ^{291,292,293,294,295,296,297,298,299,300}Ts, ^{291,292,293,294,295,296,297,298,299,300}Og, ^{296,297,298,299,300,301,302,303,304,305}119, ^{295,296,297,298,299,300,301,302,303,304}120(α); calculated half-lives using six empirical formulas: the scaling law of Brown (SLB), the modified scaling law Brown formula (MSLB), the Yibin et al. formula (YQZR), the modified Yibin et al. formula (MYQZR), the Viola-Seaborg formula (VS), and the modified Viola-Seaborg formula (MVS), with the readjustment of the formulas using new coefficients deduced from experimental α-decay half-lives of 356 nuclei, and compared with available experimental values; deduced that the modified YQZR formula (MYQZR) agrees better with the experimental data.

doi: 10.1103/PhysRevC.100.044618
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2019AK13      Int.J.Mod.Phys. E28, 1950075 (2019)

D.T.Akrawy, H.Hassanabadi, S.S.Hosseini, K.P.Santhosh

Systematic study of alpha decay half-lives using new universal decay law

RADIOACTIVITY ²⁷¹Sg, ²⁷²Bh, ²⁷⁵Hs, ^275,276Mt, ²⁷⁹Ds, ^279,280Rg, ^283,285Cn, ^283,284Nh, ^{286,287,288,289}Fl, ^287,288Mc, ^{290,291,292,293}Lv, ²⁹⁴Ts, ²⁹⁴Og(α); calculated T_1/2. Comparison with available data.

doi: 10.1142/s0218301319500757
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2019HO06      Int.J.Mod.Phys. E28, 1950017 (2019)

S.S.Hosseini, H.Hassanabadi, D.T.Akrawy

α-Decay half-lives of even-even nuclei of Pb, Po, Rn and Ra isotopes

RADIOACTIVITY ^{178,180,182,184,186,188,190,192,194}Pb, ²¹⁰Pb, ^{188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218}Po, ^{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(α); calculated T_1/2 using emi-empirical, one-parameter model based on tunneling through a potential barrier with the centrifugal and over-lapping effects.

doi: 10.1142/S0218301319500174
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2019HO11      Int.J.Mod.Phys. E28, 1950043 (2019)

S.S.Hosseini, H.Hassanabadi, D.T.Akrawy, S.Zarrinkamar

Alpha-decay half-lives of polonium isotopes in the mass range of 186-218

RADIOACTIVITY ^{186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219}Po(α); calculated Q-values, T_1/2. Comparison with available data.

doi: 10.1142/S0218301319500435
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2018AK03      Nucl.Phys. A971, 130 (2018)

D.T.Akrawy, H.Hassanabadi, S.S.Hosseini, K.P.Santhosh

Systematic study of α-decay half-lives using Royer and related formula

RADIOACTIVITY N=50-180(α); calculated T_1/2 for 356 isotopes (separately odd-odd, even-even, odd-even and even-odd nuclei) using different semiempirical formulae; deduced formulae parameters, Royer formula having the highest predictive power using comparison with the data.

doi: 10.1016/j.nuclphysa.2018.01.018
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2018AK04      Nucl.Phys. A975, 19 (2018)

D.T.Akrawy, H.Hassanabadi, S.S.Hosseini, K.P.Santhosh

Nuclear isospin effect on α-decay half-lives Original research article

RADIOACTIVITY Z=52-118(α); calculated T_1/2 using analytical formulas of Royer and Denisov-Khudenko formula; deduced new parameters for both formulas using fit of data for 356 isotopes. Calculated T_1/2 compared to data.

doi: 10.1016/j.nuclphysa.2018.04.001
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2018AK07      Int.J.Mod.Phys. E27, 1850068 (2018)

D.T.Akrawy, A.H.Ahmed

New empirical formula for α-decay calculations

doi: 10.1142/S0218301318500684
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2018SA41      Phys.Rev. C 98, 024625 (2018)

K.P.Santhosh, C.Nithya, H.Hassanabadi, D.T.Akrawy

α-decay half-lives of superheavy nuclei from a modified generalized liquid-drop model

RADIOACTIVITY ^{257,268,269,271}Sg, ^{262,263,270,271,272,274}Bh, ^{261,262,273,275}Hs, ^{266,267,275,276,278}Mt, ^{265,266,277,279,281}Ds, ^{272,274,278,279,280,281,282}Rg, ^{271,279,281,283,285}Cn, ^{279,281,282,283,284,285,286}Nh, ^{283,284,285,286,287,288,289}Fl, ^{286,292,287,288,289,290}Mc, ^{287,288,290,291,292,293}Lv, ^{290,292,293,294}Ts, ^291,292,294Og(α); ^296,297119, ^295,300120, ^304,306121, ^301,306122, ^310,312123, ^307,312124, ^316,318125, ^313,320126, ^320,322127, ^319,320128, ^326,327129, ^324,325130, ^334,336131, ^331,332132, ^329,330133, ^333,334134(α); calculated half-lives using the generalized liquid-drop model (GLDM) with 1977 nuclear proximity potential proposed by Blocki et al. Comparison with available experimental values, and with half-lives using GLDM model of Royer et al.

doi: 10.1103/PhysRevC.98.024625
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2017AK04      J.Phys.(London) G44, 105105 (2017)

D.T.Akrawy, D.N.Poenaru

Alpha decay calculations with a new formula

NUCLEAR STRUCTURE A=130, 119, 109, 96, 188, 147, 131, 114, 136, 84, 76, 48; calculated T_1/2 using a new semi-empirical formula.

doi: 10.1088/1361-6471/aa8527
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