Proton capture on 90Zr revisited

A. Simon; J. Koros; O. Olivas-Gomez; R. Kelmar; E. Churchman; A. M. Clark; C. Harris; S. L. Henderson; S. E. Kelly; P. Millican; A. Palmisano-Kyle; C. S. Reingold; D. Robertson; E. Stech; A. Spyrou; W. P. Tan

doi:10.1140/epja/s10050-025-01521-9

Proton capture on 90Zr revisited

A. Simon, J. Koros, O. Olivas-Gomez, R. Kelmar, E. Churchman, A. M. Clark, C. Harris, S. L. Henderson, S. E. Kelly, P. Millican, A. Palmisano-Kyle, C. S. Reingold, D. Robertson, E. Stech, A. Spyrou, W. P. Tan

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Abstract

The 90Zr(p,γ)91Nb reaction is one of the important reactions in the A≈90 mass region and part of the nucleosynthesis path responsible for production of 92Mo during the γ-process. Discrepant data in the literature provide a cross section that varies up to 30% within the Gamow window for the 90Zr(p,γ)91Nb reaction. Thus, the cross section measurements of 90Zr(p,γ)91Nb reaction were revisited using the γ-summing technique. The results are consistent with the lower-value cross sections found in the literature. Based on the new data an updated reaction rate for 90Zr(p,γ)91Nb is provided that is up to 20% higher than that obtained from the non-smoker code.

Original language	English
Article number	57
Journal	European Physical Journal A
Volume	61
Issue number	3
DOIs	https://doi.org/10.1140/epja/s10050-025-01521-9
State	Published - 1 Mar 2025
Externally published	Yes

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1140/epja/s10050-025-01521-9

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title = "Proton capture on 90Zr revisited",

abstract = "The 90Zr(p,γ)91Nb reaction is one of the important reactions in the A≈90 mass region and part of the nucleosynthesis path responsible for production of 92Mo during the γ-process. Discrepant data in the literature provide a cross section that varies up to 30% within the Gamow window for the 90Zr(p,γ)91Nb reaction. Thus, the cross section measurements of 90Zr(p,γ)91Nb reaction were revisited using the γ-summing technique. The results are consistent with the lower-value cross sections found in the literature. Based on the new data an updated reaction rate for 90Zr(p,γ)91Nb is provided that is up to 20% higher than that obtained from the non-smoker code.",

author = "A. Simon and J. Koros and O. Olivas-Gomez and R. Kelmar and E. Churchman and Clark, {A. M.} and C. Harris and Henderson, {S. L.} and Kelly, {S. E.} and P. Millican and A. Palmisano-Kyle and Reingold, {C. S.} and D. Robertson and E. Stech and A. Spyrou and Tan, {W. P.}",

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doi = "10.1140/epja/s10050-025-01521-9",

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T1 - Proton capture on 90Zr revisited

AU - Simon, A.

AU - Koros, J.

AU - Olivas-Gomez, O.

AU - Kelmar, R.

AU - Churchman, E.

AU - Clark, A. M.

AU - Harris, C.

AU - Henderson, S. L.

AU - Kelly, S. E.

AU - Millican, P.

AU - Palmisano-Kyle, A.

AU - Reingold, C. S.

AU - Robertson, D.

AU - Stech, E.

AU - Spyrou, A.

AU - Tan, W. P.

PY - 2025/3/1

Y1 - 2025/3/1

N2 - The 90Zr(p,γ)91Nb reaction is one of the important reactions in the A≈90 mass region and part of the nucleosynthesis path responsible for production of 92Mo during the γ-process. Discrepant data in the literature provide a cross section that varies up to 30% within the Gamow window for the 90Zr(p,γ)91Nb reaction. Thus, the cross section measurements of 90Zr(p,γ)91Nb reaction were revisited using the γ-summing technique. The results are consistent with the lower-value cross sections found in the literature. Based on the new data an updated reaction rate for 90Zr(p,γ)91Nb is provided that is up to 20% higher than that obtained from the non-smoker code.

AB - The 90Zr(p,γ)91Nb reaction is one of the important reactions in the A≈90 mass region and part of the nucleosynthesis path responsible for production of 92Mo during the γ-process. Discrepant data in the literature provide a cross section that varies up to 30% within the Gamow window for the 90Zr(p,γ)91Nb reaction. Thus, the cross section measurements of 90Zr(p,γ)91Nb reaction were revisited using the γ-summing technique. The results are consistent with the lower-value cross sections found in the literature. Based on the new data an updated reaction rate for 90Zr(p,γ)91Nb is provided that is up to 20% higher than that obtained from the non-smoker code.

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DO - 10.1140/epja/s10050-025-01521-9

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SN - 1434-6001

VL - 61

JO - European Physical Journal A

JF - European Physical Journal A

IS - 3

M1 - 57

ER -

Proton capture on 90Zr revisited

Abstract

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