J Rama Rao
Articles written in Pramana – Journal of Physics
Volume 9 Issue 4 October 1977 pp 321-328 Atomic And Molecular Physics
Total to
K Sivasankara Rao V Radha Krishna Murty K Parthasaradhi J Rama Rao V Lakshminarayana
Total photon atomic cross sections in elements Zr, Ag, Ta and Th were determined around their
Volume 11 Issue 5 November 1978 pp 595-600 Nuclear and Particle Physics
Neutron induced reactions in antimony isotopes at 14 MeV
N Lakshmana Das C V Srinivasa Rao B V Thirumala Rao J Rama Rao
Neutron activation cross-sections in antimony isotopes were measured at an incident neutron energy of 14.2±0.2 MeV. The versatile mixed powder technique and high resolution Ge(Li) detector gamma ray spectroscopy were employed. The measured cross-sections were compared with those reported in literature. The total (
Volume 17 Issue 1 July 1981 pp 99-104 Nuclear And Particle Physics
Pre-equilibrium effects in (
N Lakshmana Das C V Srinivasa Rao B V Thirumala Rao J Rama Rao
With a view to study the pre-equilibrium effects in neutron-induced reactions, the activation cross-sections for (
Volume 36 Issue 1 January 1991 pp 115-123 Research Articles
Alpha particle induced reactions on copper and tantalum
A V Mohan Rao S Mukherjee J Rama Rao
Alpha particle induced reactions in the target elements copper and tantalum were studied. The excitation functions of63Cu(
Volume 38 Issue 3 March 1992 pp 279-290
Investigation of alpha particle induced reactions on thulium
A V Mohan Rao S Mukherjee J Rama Rao
Alpha particle induced reactions on the target element thulium were investigated up to 75 MeV, using foil-stack activation technique and Ge(Li) gamma ray spectroscopy method. Excitation functions for eight reactions of the type169Tm(
Volume 39 Issue 1 July 1992 pp 85-94 Research Articles
The angular distribution of fission fragments in alpha induced fission has been studied at an incident energy of 55 MeV in197Au target. The relative differential fission cross sections were measured at different angles between 10° and 170° and the resulting angular distributions fitted by least squares method with Legendre polynomials. In the present work, a correction for the self-scattering and self-absorption of fission fragments in the target itself was applied and a target of 3 mg/cm2 was used to get good statistics. The anisotropy for 55 MeV alpha induced fission of gold was 2·83±0·43 and the fission cross section calculated by integrating the measured angular distributions over all the solid angles was 5·2±1.0 mb, confirming the value of 4·0±0·05 mb reported by Burnett
Volume 41 Issue 4 October 1993 pp 311-327
Mathematical analysis of isobaric decay chain in alpha particle induced reactions
S Mukherjee N L Singh J Rama Rao
A detailed mathematical formalism is developed from the first principles, to separate out the fractional contributions of the cross-section
Volume 42 Issue 2 February 1994 pp 135-139
Pre-equilibrium effects in the formation of meta stable states
R Upadhyay Ch V Sastry R K Jain J Rama Rao
Isomeric yield ratios have been measured for93Nb(
Volume 45 Issue 6 December 1995 pp 519-531 Research Articles
Fission fragment angular distribution in alpha-particle-induced fission of actinide elements
Using Lexan polycarbonate plastic as the fission fragment track detectors, the fragment angular distributions have been measured in the cases of fission of232Th and238U induced by alpha particles of various energies ranging from 40 to 70MeV obtained from the 88″ variable energy cyclotron at Calcutta. The center-of-mass angular distributions have been calculated and fitted by a series of Legendre polynomials. The
Volume 49 Issue 5 November 1997 pp 515-519
R K Jain H S Virk J Rama Rao S K Bose
Fission-track registration characteristics of Lexan solid state nuclear track detectors have been used to measure the fast neutron induced fission cross section of232Th. The fast neutrons (≅14.2MeV) were produced with the help of an AN-400 model Van-de-Graaff accelerator at Banaras Hindu University laboratory using3H(2H,
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