Precision measurement of the decay rate of Be-7 in host materials

Y. Nir-El; G. Haquin; Z. Yungreiss; M. Hass; G. Goldring; S.K. Chamoli; B.S. Nara Singh; S. Lakshmi; U. Koester; N. Champault; A. Dorsival; G. Georgiev; V.N. Fedoseyev; B.A. Marsh; D. Schumann; G. Heidenreich; S. Teichmann

doi:10.1103/PhysRevC.75.012801

Precision measurement of the decay rate of Be-7 in host materials

Y. Nir-El, G. Haquin, Z. Yungreiss, M. Hass, G. Goldring, S.K. Chamoli, B.S. Nara Singh, S. Lakshmi, U. Koester, N. Champault, A. Dorsival, G. Georgiev, V.N. Fedoseyev, B.A. Marsh, D. Schumann, G. Heidenreich, S. Teichmann

Research output: Contribution to journal › Article › peer-review

35 Citations (Scopus)

Abstract

A controlled and precise determination of the cross sections of the fusion reactions 7Be(p,γ)8B and 3He(4He,γ)7Be, which play an important role in determining the solar neutrino flux, necessitates the knowledge of a precise value of the electron-capture half-life of 7Be. This half-life may depend on the material hosting the 7Be atoms via small modifications of the electron density around the 7Be nucleus. In this brief communication we report on the measurement of 7Be
implanted in four materials: copper, aluminum, sapphire, and PVC. The four results are consistent with a null host dependence within two standard deviations and their weighted average of 53.236(39) d agrees very well with the adopted value in the literature, 53.22(6) d. The present results may exhibit a slight (0.22%) increase of the half-life at room temperature for metals compared to insulators that requires further studies.

Original language	English
Article number	012801(R)
Journal	Physical Review C
Volume	75
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevC.75.012801
Publication status	Published - 5 Jan 2007
Externally published	Yes

Access to Document

10.1103/PhysRevC.75.012801

Cite this

Nir-El, Y., Haquin, G., Yungreiss, Z., Hass, M., Goldring, G., Chamoli, S. K., Nara Singh, B. S., Lakshmi, S., Koester, U., Champault, N., Dorsival, A., Georgiev, G., Fedoseyev, V. N., Marsh, B. A., Schumann, D., Heidenreich, G., & Teichmann, S. (2007). Precision measurement of the decay rate of Be-7 in host materials. Physical Review C, 75(1), Article 012801(R). https://doi.org/10.1103/PhysRevC.75.012801

@article{a71e771fcd5449308a227af8ef79325d,

title = "Precision measurement of the decay rate of Be-7 in host materials",

abstract = "A controlled and precise determination of the cross sections of the fusion reactions 7Be(p,γ)8B and 3He(4He,γ)7Be, which play an important role in determining the solar neutrino flux, necessitates the knowledge of a precise value of the electron-capture half-life of 7Be. This half-life may depend on the material hosting the 7Be atoms via small modifications of the electron density around the 7Be nucleus. In this brief communication we report on the measurement of 7Beimplanted in four materials: copper, aluminum, sapphire, and PVC. The four results are consistent with a null host dependence within two standard deviations and their weighted average of 53.236(39) d agrees very well with the adopted value in the literature, 53.22(6) d. The present results may exhibit a slight (0.22%) increase of the half-life at room temperature for metals compared to insulators that requires further studies.",

author = "Y. Nir-El and G. Haquin and Z. Yungreiss and M. Hass and G. Goldring and S.K. Chamoli and {Nara Singh}, B.S. and S. Lakshmi and U. Koester and N. Champault and A. Dorsival and G. Georgiev and V.N. Fedoseyev and B.A. Marsh and D. Schumann and G. Heidenreich and S. Teichmann",

year = "2007",

month = jan,

day = "5",

doi = "10.1103/PhysRevC.75.012801",

language = "English",

volume = "75",

journal = "Physical Review C",

issn = "2469-9985",

publisher = "American Physical Society",

number = "1",

}

Nir-El, Y, Haquin, G, Yungreiss, Z, Hass, M, Goldring, G, Chamoli, SK, Nara Singh, BS, Lakshmi, S, Koester, U, Champault, N, Dorsival, A, Georgiev, G, Fedoseyev, VN, Marsh, BA, Schumann, D, Heidenreich, G & Teichmann, S 2007, 'Precision measurement of the decay rate of Be-7 in host materials', Physical Review C, vol. 75, no. 1, 012801(R). https://doi.org/10.1103/PhysRevC.75.012801

TY - JOUR

T1 - Precision measurement of the decay rate of Be-7 in host materials

AU - Nir-El, Y.

AU - Haquin, G.

AU - Yungreiss, Z.

AU - Hass, M.

AU - Goldring, G.

AU - Chamoli, S.K.

AU - Nara Singh, B.S.

AU - Lakshmi, S.

AU - Koester, U.

AU - Champault, N.

AU - Dorsival, A.

AU - Georgiev, G.

AU - Fedoseyev, V.N.

AU - Marsh, B.A.

AU - Schumann, D.

AU - Heidenreich, G.

AU - Teichmann, S.

PY - 2007/1/5

Y1 - 2007/1/5

N2 - A controlled and precise determination of the cross sections of the fusion reactions 7Be(p,γ)8B and 3He(4He,γ)7Be, which play an important role in determining the solar neutrino flux, necessitates the knowledge of a precise value of the electron-capture half-life of 7Be. This half-life may depend on the material hosting the 7Be atoms via small modifications of the electron density around the 7Be nucleus. In this brief communication we report on the measurement of 7Beimplanted in four materials: copper, aluminum, sapphire, and PVC. The four results are consistent with a null host dependence within two standard deviations and their weighted average of 53.236(39) d agrees very well with the adopted value in the literature, 53.22(6) d. The present results may exhibit a slight (0.22%) increase of the half-life at room temperature for metals compared to insulators that requires further studies.

AB - A controlled and precise determination of the cross sections of the fusion reactions 7Be(p,γ)8B and 3He(4He,γ)7Be, which play an important role in determining the solar neutrino flux, necessitates the knowledge of a precise value of the electron-capture half-life of 7Be. This half-life may depend on the material hosting the 7Be atoms via small modifications of the electron density around the 7Be nucleus. In this brief communication we report on the measurement of 7Beimplanted in four materials: copper, aluminum, sapphire, and PVC. The four results are consistent with a null host dependence within two standard deviations and their weighted average of 53.236(39) d agrees very well with the adopted value in the literature, 53.22(6) d. The present results may exhibit a slight (0.22%) increase of the half-life at room temperature for metals compared to insulators that requires further studies.

U2 - 10.1103/PhysRevC.75.012801

DO - 10.1103/PhysRevC.75.012801

M3 - Article

SN - 2469-9985

VL - 75

JO - Physical Review C

JF - Physical Review C

IS - 1

M1 - 012801(R)

ER -

Precision measurement of the decay rate of Be-7 in host materials

Abstract

Access to Document

Fingerprint

Cite this