Neutron Yield of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi mathvariant="normal">Cf</mml:mi></mml:mrow><mml:mprescripts /><mml:mrow /><mml:mrow><mml:mn>252</mml:mn></mml:mrow><mml:mrow /><mml:mrow /></mml:mmultiscripts></mml:mrow></mml:math>Based on Absolute Measurements of the Neutron Rate and Fission Rate

Volpi, A. De; Porges, K.G.

doi:10.1103/physrevc.1.683

Cited by 19 publications

(19 citation statements)

References 16 publications

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“…Similar analyses of the reported measurements were carried out for 1 8 2 Ta and 1 8 3 Ta sin~e new precise values were available for these isotopes. Values for 23 lines from 14 other isotopes were also tallied without least-squares fits to the level scheme.…”

Section: Line Specificationsupporting

confidence: 57%

“…Possible peaks at 334 and 585 keV were observed in the y-ray spectrum in ceincidence with the 585-keV gate and are tentatively placed feeding the 585-keV level{ 1 )The existence of 137-keV y ray as reported and plat.ed by Horen et al is confirmed. The y ray at 563 keV which was previously reportedlby Kucarova et al (3) but not placed in their proposed decay scheme has been confirmed-anr-placed in the proposed decay scheme on the basis of( 2 ) coincide9ce information. • The existence of reported y rays at 323 and 508~ J keV could not be verified.…”

Section: Ntutl P Anderson Mesonmentioning

confidence: 60%

“…The surface ionization ion source ( 3 ) has been tested and used extensively in the isotope separation of both radioactive and stable samples. Mass separations of the stable isotopes of Eu, Gd, La and Nd, using the oxides as source material, were performed as part of the development efforts related to the collection and recovery of mass-separat~d samples for the FBR Physics Constants cross-section measurement program.…”

Section: Terbiummentioning

confidence: 99%

“…(1) dissolution of the foil andRE material in 6N HCl, (2) ~recipi+~tion of the RE(OH) 3 in excess NaOH, (3) isolation and washing of the precip1tate, (4) dissolution of the RE(OH) 3 in HCl, (5) precipitation of the RE(tiflh using NH 4 0H, (6) isolation and washing of the precipitate with H 2 0 and ethanol (7) drying of the RE(OH) 3 residue. A yield determination and spectrochemical analysis performed for the recovered La residue indicated the presence of Fe, Pt, Si and Al at levels of 2%-11% by weight in addition to the dominant RE fraction which was recovered with a yield of~ 40%.…”

mentioning

confidence: 99%

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Nuclear Technology Division annual progress report for period ending June 30, 1975

Heath¹,

Henscheid²,

Smith³

1976

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li>ISTRIBUTION OF THIS DOCUMENT IS UNUI\ll/(\ FOREWORD This document is a report of progress on technical programs of the Nuclear Technology Division of'Aerojet Nuclear Company for FY 75 endinq June 30, 1975. It contains abstracts or expansions of abstracts of papers which have been published within the year. In these •cases, prep~ints or reprints of the articles are available. Results of work in progress are also reported; since this work is of a preliminary nature, the authors should be contacted before including aQy reference tG these works in other public~tions.

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Section: Line Specificationsupporting

confidence: 57%

Section: Ntutl P Anderson Mesonmentioning

confidence: 60%

Section: Terbiummentioning

confidence: 99%

mentioning

confidence: 99%

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Nuclear Technology Division annual progress report for period ending June 30, 1975

Heath¹,

Henscheid²,

Smith³

1976

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“…Yield of NBS-I1 was taken to be (1.1729 & 0.3 per cent) x lo6 neutrons/sec as of that date. This yield is the mean of three precision measurements listed (DE VOLPI and PORGES, 1969;DE VOLPI and PORGES, 1970) weighted by the reciprocal of the square of their listed error and corrected for decay to June 1970. Stated error is the internal error.…”

Section: Introductionmentioning

confidence: 99%

Absolute Neutron Yield of a Fluorescent Thyroid Scanner Source

Robinson¹,

Bair²,

Duggan³

1975

Health Physics

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Systems for X-ray fluorescent scanning of thyroid glands use the gamma-radiation from multicurie 241Am sources to stimulate characteristic X-rays of the iodine in the gland. Nuclear reactions induced in the source matrix by alpha-particles from the decay of Z41Am produce a flux of fast neutrons. The neutron flux of a 5-Ci 241Am source in the sourcecollimator assembly of a fluorescent scanner was measured to be 3.22 x 104 neutrons/sec with an r.m.s. error of h2.2 per cent.

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