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NSR database version of April 27, 2024.

Search: Author = A.Ahmed

Found 25 matches.

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2023AB23      Appl.Radiat.Isot. 202, 111043 (2023)

H.M.Abdullah, A.H.Ahmed

Empirical formula for (n, f) reaction cross sections of Uranium isotopes at 1-20 MeV neutrons

NUCLEAR REACTIONS 232,233,234,235,236,237,238U(n, F), E<20 MeV; analyzed EXFOR library data; deduced empirical formula using the EMPIRE 3.2.3 and TALYS 1.95 computer codes for Uranium isotopes up to the third fission plateau.

doi: 10.1016/j.apradiso.2023.111043
Citations: PlumX Metrics


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 211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241Pa(α); calculated T1/2 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 205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237Ac, 208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239Th, 211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241Pa, 214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243U, 219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245Np(α); calculated T1/2. Comparison with available data.

doi: 10.1142/S0218301323500477
Citations: PlumX Metrics


2022AB14      Int.J.Mod.Phys. E31, 2250049 (2022)

H.M.Abdullah, A.H.Ahmed

Empirical formulae for (n, p) reaction cross-sections at 14-15 MeV neutrons

NUCLEAR REACTIONS 18O, 19F, 24,25,26Mg, 27Al, 28,29Si, 31P, 32,34S, 35,37Cl, 39,41K, 40Ca, 44Ca, 45Sc, 46,47,48Ti, 51V, 50Cr, 52,53,54Cr, 55Mn, 54Fe, 56,57,58Fe, 59Co, 58Ni, 60,61Ni, 63,65Cu, 64Zn, 66,67,68Zn, 71Ga, 70Ge, 72,73,74Ge, 75As, 74Se, 76,77,78Se, 80Se, 81Br, 82Kr, 87Rb, 84,86,88Sr, 89Y, 90,91,92Zr, 94Zr, 94,95,96,97Mo, 96Ru, 100Ru, 103Rh, 104,105,106Pd, 109Ag, 106Cd, 110,111,112,113,114Cd, 115In, 112Sn, 116,117,118Sn, 122Sn, 122,124Te, 130Te, 127I, 131Xe, 133Cs, 132Ba, 136Ba, 139La, 140Ce, 141Pr, 144,146Nd, 144Sm, 153Eu, 159Tb, 156Dy, 160Dy, 167Er, 176Yb, 179Hf, 181Ta, 183W, 186W, 187Re, 188,189Os, 191,193Ir, 197Au, 199,201Hg, 203,205Tl(n, p), E=14-15 MeV; analyzed EXFOR library data; deduced New empirical formulae.

doi: 10.1142/S0218301322500495
Citations: PlumX Metrics


2022AB20      Appl.Radiat.Isot. 189, 110396 (2022)

H.M.Abdullah, A.H.Ahmed

Semi-empirical formula for (n, α) reaction cross sections at 14-15 MeV neutrons

NUCLEAR REACTIONS 9Be, 11B, 12,13C, 14N, 16,17,18O, 20Ne, 23Na, 26Mg, 29,30Si, 31P, 34S, 35,37Cl, 40Ar, 39,41K, 40ca, 44Ca, 45Sc, 48Ti, 51V, 54Cr, 55Mn, 54Fe, 58Fe, 59Co, 58Ni, 62,64Ni, 63,65Cu, 64Zn, 68Zn, 69,71Ga, 72,74,76Ge, 75AS, 78,80Se, 79,81Br, 86Kr, 85,87Rb, 89Y, 90,92,94,96Zr, 93Nb, 92Mo, 100Mo, 102,104Ru, 103Rh, 106,108,110Pd, 107,109Ag, 106Cd, 112Cd, 116Cd, 113,115In, 112Sn, 118,120,122Sn, 124,126,128,130Te, 127I, 133Cs, 138Ba, 138,139La, 140,142Ce, 141Pr, 142,143,144,145,146Nd, 144Sm, 150,152Sm, 151,153Eu, 156,158,160Gd, 159Tb, 156Dy, 162,164Dy, 165Ho, 168,170Er, 169Tm, 172,174,176Yb, 175,176Lu, 178,180Hf, 181Ta, 183,184W, 186W, 185,187Re, 190,192Os, 191,193Ir, 194,196Pt, 197Au, 200,202Hg, 203,205Tl, 206,208Pb, 209Bi(n, α), E=14-15 MeV; analyzed available EXFOE data; calculated σ using EMPIRE 3.2.3 and TALYS 1.95 nuclear model codes; deduced formula.

doi: 10.1016/j.apradiso.2022.110396
Citations: PlumX Metrics


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 T1/2 using a modified version of the semi-empirical formula SemFIS. Comparison with available data.

doi: 10.1016/j.nuclphysa.2022.122419
Citations: PlumX Metrics


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, 178,180,182,184Pt, 188,190Pt, 174,176Hg, 180,182,184Hg, 188Hg, 188,190Pb, 210Pb, 190,192,194,196,198,200,202,204,206,208,210,212,214,216,218Po, 194,196,198,200,202Rn, 206,208,210,212Rn, 218,220,222Rn, 206,208,210,212,214Ra, 220,222,224,226Ra, 210Th, 216,218Th, 222,224,226,228,230,232Th, 224,226,228,230,232,234,236,238U, 230,232,234,236,238,240,242,244Pu, 238,240,242,244,246,248Cm, 240Cf, 244,246,248,250,252,254Cf, 248,250,252,254,256Fm, 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, 167,169,171,173,175,177Pt, 183Pt, 173,175,177,179Hg, 183,185Hg, 191Pb, 187,189,191Po, 195,197,199,201Po, 205,207,209,211,213Po, 195,197,199,201,203Rn, 207,209,211,213,215Rn, 219,221Rn, 203,205Ra, 209,211,213,215,217,219,221Ra, 211,213,215,217,219,221,223,225,227Th, 217,219U, 223,225U, 235U, 239,241Pu, 241,243,245,247Cm, 249,251Cf, 251,253,255,257Fm, 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, 197,199,201,203,205,207,209,211,213,215,217,219At, 201,203,205,207,209,211,213,215,217,219,221,223Fr, 209,211,213,215,217,219,221,223,225,227Ac, 213,215,217,219Pa, 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, 196,198,200,202,204,206,208,210,212,214,216,218At, 200,202,204,206,208,210,212,214,216,218,220Fr, 206,208,210,212,214,216,218,220,222,224Ac, 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 T1/2. Comparison with available data.

doi: 10.1140/epja/s10050-022-00789-5
Citations: PlumX Metrics


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 105,106,107,108,109,110Te, 108,109,110,111,112,113I, 109,110,111,112,113Xe, 112,114Cs, 114Ba(α); calculated T1/2 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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2021AH06      Eur.Phys.J. A 57, 322 (2021)

A.Ahmed, N.Subba, Sh.Bhattacharjee, A.N.Tawfik, P.Kr.Haldar

Evidence of forward-backward correlation of pions in ultra-relativistic ring- and jet-like events in 16O - Ag/Br interactions at Elab = 60 A GeV

doi: 10.1140/epja/s10050-021-00635-0
Citations: PlumX Metrics


2021RA17      Int.J.Mod.Phys. E30, 2150065 (2021), Erratum Int.J.Mod.Phys. E31, 2292001 (2022)

M.A.Rana, A.Ahmed, F.Siddique, J.Ahmed

Cascade exciton model analysis of energetic pion-induced fission of heavy nuclei: Target mass and projectile energy dependence

NUCLEAR REACTIONS 119Sn, 197Au, 209Bi(π-, F), E=500-1665 MeV; calculated σ using the code CEM95. Comparison with available data.

doi: 10.1142/S0218301321500658
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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
Citations: PlumX Metrics


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 191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219At(α); calculated Q-values, T1/2. Comparison with available data.

doi: 10.1142/S0218301320500081
Citations: PlumX Metrics


2020SA23      Phys.Rev. C 101, 064610 (2020)

K.P.Santhosh, D..Akrawy, H.Hassanabadi, Al.H.Ahmed, T.A.Jose

α-decay half-lives of lead isotopes within a modified generalized liquid drop model

RADIOACTIVITY 178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220Pb(α); calculated half-lives using modified generalized liquid drop model (MGLDM) with Akrawy, Royer, AKRE, and modified RenB formulas, and experimental Q(α) values. Comparison with available experimental half-lives, and with predicted half-lives in Coulomb and proximity potential model.

doi: 10.1103/PhysRevC.101.064610
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2019AH06      Acta Phys.Pol. B50, 1583 (2019)

A.A.Ahmed, A.Wronska, A.Magiera, M.Bartyzel, J.W.Mietelski, R.Misiak, B.Was

Reexamination of Proton-induced Reactions on natMo at 19-26 MeV and Study of Target Yield of Resultant Radionuclides

NUCLEAR REACTIONS Mo(p, X)94Tc/95Tc/96Tc/99Tc/99Mo, E=19-26 MeV; measured reaction products, Eγ, Iγ; deduced σ, target yields. Comparison with experimental data, TALYS calculations.

doi: 10.5506/APhysPolB.50.1583
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0971.


2019AK08      Phys.Rev. C 100, 044618 (2019)

D.T.Akrawy, A.H.Ahmed

α-decay systematics for superheavy nuclei

RADIOACTIVITY 255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270Db, 259,260,261,262,263,264,265,266,267,268,269,270,271Sg, 260,261,262,263,264,265,266,267,268,269,270,271,272,273,274Bh, 264,265,266,267,268,269,270,271,272,273,274,275Hs, 265,266,267,268,269,270,271,272,273,274,275,276,277,278Mt, 267,268,269,270,271,272,273,274,275,276,277,278,279,280,281Ds, 272,273,274,275,276,277,278,279,280,281,282Rg, 276,277,278,279,280,281,282,283,284,285Cn, 278,279,280,281,282,283,284,285,286,287,288Nh, 283,284,285,286,287,288,289,290,291,292Fl, 286,287,288,289,290,291,292,293,294,295Mc, 287,288,289,290,291,292,293,294,295,296Lv, 291,292,293,294,295,296,297,298,299,300Ts, 291,292,293,294,295,296,297,298,299,300Og, 296,297,298,299,300,301,302,303,304,305119, 295,296,297,298,299,300,301,302,303,304120(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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2018AH04      Int.J.Mod.Phys. E27, 1850079 (2018)

A.H.Ahmed

Systematics of (n, p) reaction cross-sections for light element target nuclei at 14.5 MeV neutrons

COMPILATION A=19-101; analyzed available data for σ of (n, p) reactions; deduced empirical formula. Comparison with TENDL calculated values.

doi: 10.1142/S0218301318500799
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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
Citations: PlumX Metrics


2011AH03      Radiochim.Acta 99, 317 (2011)

A.M.Ahmed, H.E.Hassan, K.F.Hassan, A.M.Khalaf, Z.A.Saleh

Cross sections for the formation of radioiodines in proton bombardment of natural tellerium with particular reference to the validation of data for the production of 123I

NUCLEAR REACTIONS Te(p, X)120I/121I/123I/124I/125I/126I/128I/130I, E<14.5 MeV; measured Eγ, Iγ; deduced σ. Comparison with experimental data, ALICE-IPPE model code calculations.

doi: 10.1524/ract.2011.1845
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0647.


2007AH07      Nucl.Instrum.Methods Phys.Res. A582, 287 (2007)

A.H.Ahmed, H.M.Youhana

Empirical formulae to calculate n-yields from (α, n) reactions for 9Be, 19F, 23Na, and 27Al light element thick targets

NUCLEAR REACTIONS 9Be, 19F, 23Na, 27Al(α, n), E < 10 MeV; calculated neutron yields. Compared results to available data.

doi: 10.1016/j.nima.2007.08.122
Citations: PlumX Metrics


1986SC30      Phys.Rev. C34, 1962 (1986)

O.Scholten, R.M.Ronningen, A.Y.Ahmed, G.O.Bomar, H.L.Crowell, J.H.Hamilton, H.Kawakami, C.F.Maguire, W.G.Nettles, R.B.Piercey, A.V.Ramayya, R.Soundranayagam, P.H.Stelson

Mass Dependence of Effective Charges in the Interacting-Boson Model

NUCLEAR REACTIONS 144,146,148,150Nd(α, α'), E not given; measured Coulomb excitation. 144,146,148,150Nd levels deduced B(E2). Magnetic spectrometer. Interacting boson model.

NUCLEAR STRUCTURE 142,144,146,148,150Nd; calculated B(E2), effective charges. Interacting boson model.

doi: 10.1103/PhysRevC.34.1962
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1983YA03      Phys.Lett. 128B, 33 (1983)

H.Yamada, A.Ahmed, H.Banda, J.H.Hamilton, C.F.Maguire, R.B.Piercey, A.V.Ramayya, S.A.Hjorth, D.C.Hensley, J.D.Cole, G.A.Leander

Eγ - Eγ Correlations from Partial Fusion Reactions

NUCLEAR REACTIONS 154Sm(14N, xnp), (14N, xnd), (14N, xnt)157Er/158Er/159Er, E=167 MeV; measured γγ energy correlations, (particle)γ-coin. 158Er deduced rotational band structure. Partial fusion reaction.

doi: 10.1016/0370-2693(83)90068-0
Citations: PlumX Metrics


1982SO04      Phys.Rev. C25, 1575 (1982)

R.Soundranayagam, R.B.Piercey, A.V.Ramayya, J.H.Hamilton, A.Y.Ahmed, H.Yamada, C.F.Maguire, G.L.Bomar, R.L.Robinson, H.J.Kim

Band Structure in 66Ge

NUCLEAR REACTIONS 58Ni(10B, np), E=31 MeV; measured Eγ, Iγ, γ(θ), oriented nuclei. 66Ge deduced levels, J, π, γ-branching, rotational bands. Two-quasiparticle plus rotor model, interacting boson approximation calculations.

doi: 10.1103/PhysRevC.25.1575
Citations: PlumX Metrics


1981AH03      Phys.Rev. C24, 1486 (1981)

A.Ahmed, A.V.Ramayya, D.L.Sastry, J.H.Hamilton, R.B.Piercey, H.Kawakami, A.P.de Lima, C.F.Maguire, R.L.Robinson, H.J.Kim, J.C.Wells, A.C.Rester

Level Structure of 70Se

NUCLEAR REACTIONS 58Ni(14N, pn), E=38 MeV; measured Eγ, Iγ, γ(θ), γγ(θ), oriented nuclei. 70Se deduced levels, J, π, δ, γ-branching. Interacting boson model.

doi: 10.1103/PhysRevC.24.1486
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1981SA13      Phys.Rev. C23, 2086 (1981)

D.L.Sastry, A.Ahmed, A.V.Ramayya, R.B.Piercey, H.Kawakami, R.Soundranayagam, J.H.Hamilton, C.F.Maguire, A.P.de Lima, S.Ramavataram, R.L.Robinson, H.J.Kim, J.C.Wells

Band Structure in 80Kr

NUCLEAR REACTIONS 70Zn(12C, 2n), E=33-38.4 MeV; measured Eγ, Iγ, γ(θ), oriented nuclei. 80Kr deduced levels, J, π, γ-branching. Two-quasiparticle plus rotor model.

doi: 10.1103/PhysRevC.23.2086
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1976FR06      J.Inorg.Nucl.Chem. 38, 941 (1976)

J.E.Freeman, A.K.A.R.Ahmed, G.W.A.Newton, V.J.Robinson, K.Gregory, I.S.Grant

Radiochemical Studies of Charge Distribution and Dispersion in the 12C-Induced Fission of 209Bi

NUCLEAR REACTIONS 209Bi(12C, F), E ≤ 115 MeV; measured radiochemical yields of Sb, Y, Cd, Nb.

doi: 10.1016/0022-1902(76)80002-4
Citations: PlumX Metrics


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Note: The following list of authors and aliases matches the search parameter A.Ahmed: , A.A.AHMED, A.H.AHMED, A.K.AHMED, A.M.AHMED, A.Y.AHMED