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NSR database version of April 27, 2024.

Search: Author = R.H.Iyer

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2004NA01      J.Phys.(London) G30, 107 (2004)

H.Naik, R.J.Singh, R.H.Iyer

Charge distribution in low energy fission of actinides

NUCLEAR REACTIONS ²³²U, ²³⁸Pu(n, F), E=thermal; measured fission fragment charge distributions; deduced parameters, nuclear structure effects.

RADIOACTIVITY ²⁴⁴Cm(SF); measured fission fragment charge distributions; deduced parameters, nuclear structure effects.

doi: 10.1088/0954-3899/30/2/010
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset33009.

2004NA44      Radiochim.Acta 92, 1 (2004)

H.Naik, R.J.Singh, R.H.Iyer

Fission fragment angular momentum in the spontaneous fission of ²⁴⁴Cm

RADIOACTIVITY ²⁴⁴Cm(SF); measured fission fragments isomeric yield ratios; deduced fragment angular momentum distributions.

doi: 10.1524/ract.92.1.1.25406
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset33022.

2003NA02      Eur.Phys.J. A 16, 495 (2003)

H.Naik, R.J.Singh, R.H.Iyer

Charge distribution studies in the fast-neutron-induced fission of ²³²Th, ²³⁸U, ²⁴⁰Pu and ²⁴⁴Cm

NUCLEAR REACTIONS ²³²Th, ²³⁸U, ²⁴⁰Pu, ²⁴⁴Cm(n, F), E=fast; measured fission product isotopic yields; deduced charge distribution parameters, average neutron multiplicity, proton odd-even effect, nuclear structure effects. Radiochemical and ∓ray spectrometric techniques, comparison with previous results.

doi: 10.1140/epja/i2002-10122-9
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset33046.

2000IY01      Nucl.Sci.Eng. 135, 227 (2000)

R.H.Iyer, H.Naik, A.K.Pandey, P.C.Kalsi, R.J.Singh, A.Ramaswami, A.G.C.Nair

Measurement of Absolute Fission Yields in the Fast Neutron-Induced Fission of Actinides: ²³⁸U, ²³⁷Np, ²³⁸Pu, ²⁴⁰Pu, ²⁴³Am, and ²⁴⁴Cm by Track-Etch-cum-Gamma Spectrometry

NUCLEAR REACTIONS ²³⁸U, ²³⁷Np, ²³⁸Pu, ²⁴⁰Pu, ²⁴³Am, ²⁴⁴Cm(n, F), E=reactor; measured absolute isotopic fission yields. Fine structure and shell effects in mass distributions discussed, comparison with compiled data, activation technique.

doi: 10.13182/NSE00-A2136
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset31538.

1999PA55      Radiochim.Acta 87, 1 (1999)

A.K.Pandey, H.Naik, R.J.Singh, A.Ramaswami, P.C.Kalsi, A.G.C.Nair, R.H.Iyer

Absolute Fission Yields in the Spontaneous Fission of ²⁴⁴Cm: A new approach using lexan catcher-cum gamma ray spectrometry

RADIOACTIVITY ²⁴⁴Cm(SF); measured Eγ, Iγ, (fragment)γ-coin; deduced fission yields. Recoil catcher technique. Comparison with compiled data.

doi: 10.1524/ract.1999.87.12.1
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset33006.

1996NA28      Radiochim.Acta 75, 69 (1996)

H.Naik, A.G.C.Nair, P.C.Kalsi, A.K.Pandey, R.J.Singh, A.Ramaswami, R.H.Iyer

Absolute Fission Yields in the Fast Neutron Induced Fission of 99.9997 Atom % Pure ²³⁸U using Track Etch-Cum Gamma Spectrometric Technique

NUCLEAR REACTIONS ²³⁸U(n, F), E=fast; measured fission products Eγ, Iγ; deduced cumulative yields vs mass number, structure effects.

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset31538.

1993IY01      Phys.Rev. C48, 87 (1993)

R.H.Iyer, A.K.Pandey, P.C.Kalsi, R.C.Sharma

Helium-Ion-Induced Fission Excitation Functions of Terbium and Ytterbium

NUCLEAR REACTIONS, ICPND ¹⁵⁹Tb, ^{170,171,172,173,174,176}Yb(α, F), E=40-65 MeV; measured fission σ(E). ¹⁶³Ho, ¹⁷⁷Hf deduced fission barrier. Data on other nuclei analyzed.

doi: 10.1103/PhysRevC.48.87
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6295.

1993PA29      Nucl.Instrum.Methods Phys.Res. B82, 151 (1993)

A.K.Pandey, R.C.Sharma, P.C.Kalsi, R.H.Iyer

Measurement of Alpha to Fission Branching Ratios of Heavy Actinides by Sequential Etching of Alpha and Fission Tracks in CR-39

RADIOACTIVITY ²⁴⁴Cm, ²⁵²Cf(SF), (α); measured α-, SF-decay branching ratio. Sequential etching procedure.

doi: 10.1016/0168-583X(93)95095-M
Citations: PlumX Metrics

1991IY01      Phys.Rev. C44, 2644 (1991)

R.H.Iyer, A.K.Pandey, P.C.Kalsi, R.C.Sharma

Excitation Functions for the Helium-Ion-Induced Fission of Holmium and Erbium

NUCLEAR REACTIONS, ICPND ¹⁶⁵Ho, Er(α, F), E=34-70 MeV; measured total fission σ(E). ¹⁶⁹Tm, Yb deduced fission barrier, Γ(F)/Γn. Fission track detectors.

doi: 10.1103/PhysRevC.44.2644
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6293.

1990IY01      J.Radioanal.Nucl.Chem. 142, 265 (1990)

R.H.Iyer

Highly Asymmetric Binary Fission

NUCLEAR STRUCTURE ^235,238U; analyzed thermal neutron induced fission yield data; deduced highly asymmetric binary fission features.

doi: 10.1007/BF02039467
Citations: PlumX Metrics

1982RA09      Radiochim.Acta 30, 11 (1982)

A.Ramaswami, K.Raghuraman, B.K.Srivastava, R.H.Iyer

Absolute Yields of Fission Products in the Thermal-Neutron Induced Fission of ²⁴⁵Cm

NUCLEAR REACTIONS, Fission ²⁴⁵Cm(n, F), E=thermal; measured absolute fission yields for ^91,92Sr, ⁹⁷Zr, ⁹⁹Mo, ¹⁰⁵Ru, ¹⁰⁵Rh, ^131,133I, ¹³²Te, ¹³⁵Xe, ¹³⁸Cs, ¹⁴⁰Ba, ¹⁴²La, ¹⁴³Ce. Track etching, gamma spectroscopy techniques.

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset30631.

1982RA29      Radiochim.Acta 31, 65 (1982)

K.Raghuraman, A.Ramaswami, C.K.Sivaramakrishnan, R.H.Iyer

Absolute Yields of ⁹⁹Mo and ¹⁴⁰Ba in the Spontaneous Fission of ²⁴⁴Cm

RADIOACTIVITY ²⁴⁴Cm(SF); measured ⁹⁹Mo, ¹⁴⁰Ba absolute yields. Solvent extraction source purification technique, solid state track detection, radiochemical methods.

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset33066.

1982RA33      Radiochem.Radioanal.Lett. 55, 1 (1982)

K.Raghuraman, N.K.Chaudhuri, A.V.Jadhav, C.K.Sivaramakrishnan, R.H.Iyer

Sponaneous Fission Half-Life of ²⁴²Cm

RADIOACTIVITY ²⁴²Cm(SF); measured T_1/2, fission rate.

1981RA03      J.Inorg.Nucl.Chem. 43, 1 (1981)

V.K.Rao, V.K.Bhargava, S.G.Marathe, R.H.Iyer, V.M.Datar, C.V.K.Baba

A Radiochemical Investigation on the Existence of Polyneutron Nuclei in the Thermal Neutron Fission of ²³⁵U

RADIOACTIVITY ^91,92Sr, ^212,213Bi [from fission produced polyneutron irradiation of ^206,207,208Pb, ^85,87Rb isotopes]; measured βγ-coin, Eα; deduced upperlimit for polyneutron production in thermal neutron induced fission of ²³⁵U.

doi: 10.1016/0022-1902(81)80427-7
Citations: PlumX Metrics

1981RA25      J.Inorg.Nucl.Chem. 43, 3067 (1981)

R.Ramaswami, V.Natarajan, B.K.Srivastava, R.H.Iyer

Absolute Yields of the Fission Products in the Neutron Induced Fission of ²³²Th and ²³³U

NUCLEAR REACTIONS ²³²Th, ²³²U(n, F), E=thermal; measured absolute fission yields for ^91,92Sr, ⁹²Y, ⁹⁷Zr, ⁹⁹Mo, ^{131,132,133,134,135}I, ¹³²Te, ^139,140Ba, ^140,142La, ^141,143Ce.

doi: 10.1016/0022-1902(81)80063-2
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset30535.

1980RA18      J.Inorg.Nucl.Chem. 42, 1213 (1980)

A.Ramaswami, V.Natarajan, R.H.Iyer

Absolute Yields of Short-Lived Fission Products in the Thermal Neutron Induced Fission of ²³⁵U and ²³⁹Pu

NUCLEAR REACTIONS, Fission ²³⁹Pu, ²³⁵U(n, F), E=thermal; measured Eγ, Iγ, T_1/2, branching ratios. ^85m,87,88Kr, ⁸⁹Rb, ^92,93Sr, ¹⁰⁴Tc, ^134,135I, ¹³⁴Te, ¹³⁸Cs, ^139,141Ba, ¹⁴²La deduced absolute yields. Track-etch-cum γ-spectrometry technique.

doi: 10.1016/0022-1902(80)80274-0
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset30575.

1979CH44      NUCL TRACKS 3, 69 (1979)

N.K.Chaudhuri, V.Natarajan, R.Sampathkumar, M.L.Sagu, R.H.Iyer

Measurement of fission cross sections and fragment angular distributions using solid state track detectors

doi: 10.1016/0191-278X(79)90030-1
Citations: PlumX Metrics

1979RA09      Phys.Rev. C19, 1372 (1979)

V.K.Rao, V.K.Bhargava, S.G.Marathe, S.M.Sahakundu, R.H.Iyer

Shoulders in the Very Asymmetric Mass Distribution for Reactor-Neutron-Induced Fission of ²³⁸U

NUCLEAR REACTIONS ²³⁸U(n, F), E=reactor; measured fission yields of ⁷³Ga, ¹⁶⁷Ho, ¹⁷¹Er, ¹⁷³Tm, ¹⁷⁹Lu; deduced asymmetric mass distribution. Interpretation in terms of proton shell effects on fragmentation potential.

doi: 10.1103/PhysRevC.19.1372
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset30496.

1979RA26      J.Inorg.Nucl.Chem. 41, 1531 (1979)

A.Ramaswami, V.Natarajan, B.K.Srivastava, R.Sampathkumar, N.K.Chaudhuri, R.H.Iyer

Absolute Fission Yield Measurements by Track-Etch-Cum-γ Spectrometry

NUCLEAR REACTIONS ²³⁵U, ²³⁹Pu(n, F), E=thermal; measured production σ for ⁹¹Sr, ⁹⁷Zr, ⁹⁹Mo, ¹⁰³Ru, ^131,132,133I, ¹³²Te, ¹⁴⁰Ba, ^141,143Ce, ¹⁴⁷Nd. Fusion track etch, γ-spectrometry.

doi: 10.1016/0022-1902(79)80169-4
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset30495.

1978MA41      J.Inorg.Nucl.Chem. 40, 1981 (1978)

S.G.Marathe, V.K.Rao, V.K.Bhargava, S.M.Sahakundu, R.H.Iyer

Absolute Yields of ⁹⁹Mo and ¹¹¹Ag in the Reactor Neutron Induced Fission of ²³⁸U

NUCLEAR REACTIONS ²³⁸U(n, F), E=thermal; measured absolute fission yields. ⁹⁹Mo, ¹¹¹Ag measured absolute yield.

doi: 10.1016/0022-1902(78)80185-7
Citations: PlumX Metrics

1974RA08      Phys.Rev. C9, 1506 (1974)

V.K.Rao, V.K.Bhargava, S.G.Marathe, S.M.Sahakundu, R.H.Iyer

Search for Low-Yield Products in the Neutron-Induced Highly Asymmetric Fission of Uranium

NUCLEAR REACTIONS ^235,238U(n, F), E=reactor spectrum; measured cumulative yields for A=66, 67, 72, 77, 161, 172, 175, 177, ¹⁸³Ta, ¹⁹⁹Au.

doi: 10.1103/PhysRevC.9.1506
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset30496.

1968IY01      Phys.Rev. 172, 1186 (1968)

R.H.Iyer, J.W.Cobble

Ternary Fission of U²³⁸ Induced by Intermediate-Energy Helium Ions

NUCLEAR REACTIONS ²³⁸U(α, F)²⁴Na/²⁸Mg/³¹Si/³⁸S/⁴⁷Ca/⁵⁶Mn/⁶⁶Ni/¹⁸³Ta/¹⁸⁴Ta/¹⁹⁹Au/²⁰⁹Pb/²¹²Pb, E=39 MeV; measured fission products, Eγ, Iγ; deduced fission σ, total chain yields.

doi: 10.1103/PhysRev.172.1186
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2326.

1966IY02      Phys.Rev.Lett. 17, 541 (1966)

R.H.Iyer, J.W.Cobble

Evidence of Ternary Fission at Lower Energies

NUCLEAR REACTIONS ²³⁸U(α, F), (³He, F)²⁸Mg/³⁸S/⁸⁹Sr, E=20-40 MeV; measured reaction products, Eγ, Iγ; deduced fission product σ. Comparison with available data.

doi: 10.1103/PhysRevLett.17.541
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2326.

1963IY01      J.Inorg.Nucl.Chem. 25, 465 (1963)

R.H.Iyer, C.K.Mathews, N.Ravindran, K.Rengan, D.V.Singh, M.V.Ramaniah, H.D.Sharma

Fission of ²³²Th by Reactor Neutrons: Mass-Yield Curve

NUCLEAR REACTIONS, Fission ²³²Th(n, F), E=reactor spectrum; measured A=77-156 mass-yield curves.

doi: 10.1016/0022-1902(63)80230-4
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset30947.