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Title: Nuclear Data Sheets for A=98

Journal Article · · Nuclear Data Sheets
ORCiD logo [1];  [2]
  1. Michigan State Univ., East Lansing, MI (United States)
  2. McMaster Univ., Hamilton, ON (Canada)

Experimental spectroscopic data on nuclear structure and decay are evaluated for known nuclides of mass 98 (Br, Kr, Rb, Sr, Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd, In). Detailed evaluation results of individual reactions and decays are presented together with the Adopted values that are recommended for level properties, γ and β radiations, and other spectroscopic information. 98Mo remains as the most extensively studied nuclide via various reactions and decays. Level schemes of Sr, Y, Zr, Tc, and Pd nuclides in this mass chain are also well established to date; while Kr, Rb, Nb, Ag and Cd are amongst the least-studied ones for excited states, with only limited data available for each. On the neutron-rich side, 98Br has been identified in the 9Be(238U,F) reaction, but no spectroscopic data are yet available, while for 98In on the proton-rich side, only the ground state and an isomer are known with half-lives measured but their spin-parities and the absolute level energy of the isomer yet to be determined. While 98Ru and 98Rh have also been extensively studied, large discrepancies exist between the high-spin sections of the proposed level schemes in different measurements, and these need to be clarified and resolved with further experimental investigations to improve the currently-adopted ones, which have been selected from the measurements with higher statistics, considering no other criteria of preference. Furthermore, this work supersedes all the earlier evaluations of A=98 (2003Si07, 1998Si18, 1992Si21, 1983Mu21, 1974Me34).

Research Organization:
Michigan State Univ., East Lansing, MI (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP)
Grant/Contract Number:
SC0016948
OSTI ID:
1780673
Alternate ID(s):
OSTI ID: 1701994
Journal Information:
Nuclear Data Sheets, Vol. 164; ISSN 0090-3752
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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Neutron pair correlations in A = 100 nuclei involved in neutrinoless double- β decay journal October 2012
Identification of μs-isomers among primary fission products journal December 1970
Preequilibrium model analysis of (p,n) reactions on isotopes of Zr and Mo journal August 1987
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Coupled channel effects in the Ru ( d ,   Li 6 ) Mo reaction journal May 1983
Energy levels of 98Mo excited in the (n, γ) reaction journal April 1971
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Nuclear structure of 96,98Mo: Shape coexistence and mixed-symmetry states journal March 2016
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Observation of a fast 2+ → 0+′ transition in 98Mo journal November 1978
Low-energy tail of the giant dipole resonance in Mo 98 and Mo 100 deduced from photon-scattering experiments journal June 2008
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Lifetime of the 21.8-keV state in 98 Tc journal November 2001
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Measurements of?-endpoint-energies using a magnetic electron separator journal March 1992
Half-lives of the new isotopes100Rb,100Sr,148Cs and of99Rb,99Sr and147Cs journal September 1978
Capture cross sections of molybdenum isotopes journal July 1990
Non-yrast states in even-even Ru 98 journal February 1988
Gamow-Teller beta decay of the very neutron-deficientN=50 nuclide98Cd journal March 1992
First observation of excitation across the 100Sn core journal February 2001
Measurement of the static quadrupole moments of the first 2 + states in Mo 94 , Mo 96 , Mo 98 , and Mo 100 journal September 1976
Beta-Delayed Two-Neutron Emission from Rb 98 journal August 1981
Four-Parameter Measurements of Isomeric Transitions in Cf 252 Fission Fragments journal October 1970
Inelastic Scattering of Protons from 100 Mo and 98 Mo journal October 1972
Multifaceted yrast structure and the onset of deformation in Sr 96 , 97 and Zr 98 , 99 journal December 2004
Delayed neutron data from tristan journal March 1986
Direct observation of an isomeric state in 98Rb and nuclear properties of exotic rubidium isotopes measured by laser spectroscopy journal February 2015
Proton scattering on A = 92 116 nuclei with extended optical models and the interacting boson approximation journal November 1982
Assignment of a heavy-ion produced high-spin cascade to a Rh isotope journal January 1978
Antiprotonic atoms with heavy nuclei journal September 1993
Discovery and cross-section measurement of 58 new fission products in projectile-fission of 750 · A MeV 238U journal December 1997
Coulomb Excitation of Medium-Weight Even-Even Nuclei journal April 1958
Superallowed 0 + 0 + nuclear β decays: 2014 critical survey, with precise results for V u d and CKM unitarity journal February 2015
Beta-delayed proton emission around N=50 and the rp-process journal December 1996
Aggregate Delayed Neutron Intensities and Spectra Using Augmented ENDF/B-V Precursor Data journal October 1983
On the decrease in charge radii of multi-quasi particle isomers journal February 2007
Marked changes in ( p , t ) analyzing powers for the isotopes of Zr, Mo, Ru, and Pd and strong, sequential, two-step transfer processes in both ( p , t ) and ( t , p ) reactions journal February 1982
The shape transition in the neutron-rich yttrium isotopes and isomers journal February 2007
Proton-neutron interaction in 98Nb with the (τ,p) reaction journal September 1975
New μ s isomers in T z =1 nuclei produced in the 112 Sn(63 A MeV)+ nat Ni reaction journal March 1997
Short-Lived Isomers of Ge 71 , As 74 , Br 78 , and Tc journal August 1961
Nuclear-structure studies of94,96,98,100Mo from the (t, p) reactions atE t=12 MeV journal May 1988
Mass-spectrometric measurements of exotic Rb, Cs and Fr isotopes journal February 1986
Variations de la larguer radiative totale Λγ en fonction du nombre de masse A et de la valeur du spin journal July 1969
Radio-frequency and laser-spectroscopy measurements in molybdenum journal June 1984
Shape coexistence in the odd-odd neutron-rich nucleus Y 98 studied in the interacting boson model journal March 2004
Charge-Exchange Coupling in Mo 98 + p Reactions journal February 1969
Spin-parity assignments for the low-lying states in 96,97Tc via the neutron decay of 0+ and 2+ analogue states journal May 1971
Identification of more than a 100 new isotopes from 238U projectile fission and beams of neutron-rich nuclei at BRENDA journal April 1997
Nuclear-Structure Study of Mo 98 from ( p ,   p ) on Analog Resonances journal January 1970
Decay of 98Nb and the energy levels of 98Mo journal September 1966
Gamma-gamma angular correlation measurements of transitions in98Sr and98Zr and confirmation of shape coexistence in98Sr journal June 1984
Laser spectroscopy — Recent results and prospects for lighter nuclei journal November 1992
High-spin states in 9 7 , 9 8 Rh journal December 1998
Report On The Occurrence Of Technetium On The Earth's Crust journal June 1956
Properties of 96, 98Rh from the 96, 98Ru(p, n) reaction journal December 1970
Two-quasiparticle bands in neutron-rich nuclei journal April 2003
Two-proton pickup in the zirconium region using the (6Li, 8B) reaction journal March 1982
Nuclear Data Sheets for A = 98 journal July 1983
Neutron total and scattering cross sections of some even Mo isotopes and the optical model journal June 1975
Neutron Binding Energies in Heavy Nuclei journal July 1964
Fast neutron scattering from elemental Mo, Sn, Sb and Te journal March 1967
g 9 / 2 nuclei and neutron-proton interaction journal March 2012
On-line separation and identification of several short-lived fission products: Decay of 84Se, 91Kr, 97Y, 99Nb, 99Zr, 100, 101Nb and 101Zr journal February 1970
Nuclear-Charge Distribution in Low-Energy Fission journal May 1962
Beta-decay energies and nuclear masses of very neutron-rich Rb and Cs isotopes journal December 1982
P n-values of short-lived Sr, Y, Ba and La precursors journal December 1982
Rotational bands in 101 103 Nb and 9 8 , 1 0 0 Y nuclei and identification of yrast bands in 146 La and 149 Pr journal December 1998
Isotopic dependence of the giant quadrupole resonance in the stable even-mass molybdenum nuclei journal October 1979
An isomer of 98Rh journal May 1966
Shape coexistence in the odd-odd nucleus Y 98 : The role of the g 9 / 2 neutron extruder journal October 2017
First Observation of the E 2 Nuclear-Resonance Effect in Antiprotonic Atoms journal June 1986
Thermal neutron capture γ-ray spectrum of molybdenum and ruthenium journal June 1991
Elastic and inelastic deuteron scattering from even-mass isotopes of molybdenum journal September 1978
Study of the multiplet in 94Tc AND 98Tc by use of the 94, 98Mo(3He, t)94, 98Tc reactions journal February 1977
Microscopic model analyses of the elastic scattering of 65 MeV protons from targets of diverse mass journal October 1998
Yrast Bands in Doubly Odd Transitional Nuclei 98 Tc and 100 Rh journal January 1987
New Spectroscopic Information on 98Pd journal September 1997
Formation and properties of neutron-deficient isotopes of rhodium and palladium. journal January 1955
g factors of the first 2 + states in the transitional 9 2 , 9 4 , 9 6 , 9 8 , 1 0 0 Mo isotopes and the onset of collectivity journal February 2001
Medium-spin structure of 96,97Sr and 98,99Zr nuclei and the onset of deformation in the region journal July 2001
High precision gamma-ray energy measurements of fission products journal September 1979
Study of the excited 0+ states through conversion electron spectroscopy of neutron rich Zr and Mo fission products journal September 1975
Study of the reactions journal November 1975
Refining fission-product capture cross sections in reactivity-perturbation experiments journal January 1992
Identification of 100Sn and others proton drip-line nuclei in the reaction 112Sn(63 MeV/nucl.)+natNrmNi journal May 1995
Neutron Resonances of Mo Isotopes journal March 1969
Studies of Low-Lying Levels of Even-Even Nuclei with ( d ,   p ) and ( d ,   t ) Reactions journal June 1960
High resolution laser spectroscopy of naturally occurring ruthenium isotopes journal January 2014
g 9 2 d 5 2 Interactions in Nb 96 and Nb 92 journal August 1970
Ion manipulation and precision measurements at JYFLTRAP journal August 2005
Direct measurements of the masses of rubidium and cesium isotopes far from stability journal April 1979
Production and β Decay of r p -Process Nuclei Cd 96 , In 98 , and Sn 100 journal December 2008
Description of the gamov-teller β+-decays and (n, p) transitions in spherical nuclei journal November 1991
Neutron elastic scattering from 92, 96, 98, 100Mo between En = 7 and MeV journal January 1979
Average neutron resonance parameters and radiative capture cross sectins for the isotopes of molybdenum journal October 1976
An Experimental Investigation of the Stability of Nuclei against Double Beta-Disintegration journal November 1952
Delayed neutron emission from the decay of neutron-rich Rb and Cs isotopes journal April 1974
Dipole-strength distributions up to the particle-separation energies and photodissociation of Mo isotopes journal May 2007

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