Noble gas composition of the solar wind as collected by the Genesis mission

Heber, V. S.; Wieler, R.; Baur, H.; Olinger, C. T.; Friedmann, T. A.; Burnett, D. S.

doi:10.1016/j.gca.2009.09.013

Cited by 176 publications

(330 citation statements)

References 58 publications

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“…This allows us to calculate the weighted average among the most accurate results and propose the current best estimate of 36 Ar/ 38 Ar = 5.5005 ± 0.0040 which is shown at the bottom of (Heber et al, 2009) and 0.303 ± 0.001 (Vogel et al, 2011), agree with our value of 86 Kr/ 84 Kr = 0.3012 ± 0.0004 (Table 6, this work). Since the latter number is more precise and since it is based upon five series of independent analyses, it has demonstrated reproducibility, we suggest that the numbers listed at the bottom of Table 6 be considered as current best estimate for Genesis Mission SW Kr.…”

Section: Comparison Of Isotopic Compositions Of Heavy Noble Gases Withsupporting

confidence: 87%

“…The polished Al-collector (PAC, this work) recorded an average SW 36 Ar flux of 366 ± 6 in reasonable agreement with 381 ± 22 in AloS , 397 ± 11 in DOS and Si (Heber et al, 2009) and 358 ± 11 in Au (Pepin et al, 2012). Assuming the absence of potential systematical errors associated with possible Ar losses from PAC (Mabry, 2009), and backscatter corrections from gold (Pepin et al, 2012), the formal weighted average among all these fluxes is 371 ± 5 of 36 Ar/cm 2 /s.…”

Section: Solar Wind Flux Of Heavy Noble Gasessupporting

confidence: 67%

“…We suggest using this value as a best current estimate for the average SW-36 Ar flux observed by Genesis. Given this new measure of the 36 Ar flux and 20 Ne flux from Mabry et al (2007) and Meshik et al (2007), the SW 20 Ne/ 36 Ne becomes ~56.5, closer to 51.5 ± 0.5 (Pepin et al, 2012) than to 43.2 ± 0.4 (Heber et al, 2009). The value of SW 20 Ne/ 36 Ne remains one of the major interlaboratory disagreements for Genesis SW compositions.…”

Section: Solar Wind Flux Of Heavy Noble Gasesmentioning

confidence: 83%

“…At that time we suspected an unaccounted blank contribution and preferred a conservative estimation: 84 Kr/ 132 Xe ≤ 9.71. Later Heber et al (2009) reported SW 84 Kr/ 132 Xe = 9.5 ± 1.0 and Vogel et al (2011) suggested 9.9 ± 0.3. For this study we adopted the value of 9.55 because it was determined using the same type of SW collector material (aluminum) as in this study, and it was measured by the same Noblesse mass spectrometer.…”

Section: Correction For Trapped Xe Andmentioning

confidence: 97%

“…Prior to our analyses, the SW 129 Xe/ 132 Xe ratios were reported by Heber et al, 2009;Vogel et al, 2011. Major SW Xe isotopes analyzed using RELAX technique were illustrated in Fig.…”

Section: Comparison Of Isotopic Compositions Of Heavy Noble Gases Withmentioning

confidence: 99%

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Heavy noble gases in solar wind delivered by Genesis mission

Meshik

Hohenberg

Pravdivtseva

et al. 2014

Geochimica et Cosmochimica Acta

100

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One of the major goals of the Genesis Mission was to refine our knowledge of the isotopic composition of the heavy noble gases in solar wind and, by inference, the Sun, which represents the initial composition of the solar system. This has now been achieved with permil precision: 36 124 Xe/ 132 Xe = .00491 ± .00007 (error-weighted averages of all published data). The Kr and Xe ratios measured in the Genesis solar wind collectors generally agree with the less precise values obtained from lunar soils and breccias, which have accumulated solar wind over hundreds of millions of years, suggesting little if any temporal variability of the isotopic composition of solar wind krypton and xenon. The higher precision for the initial composition of the heavy noble gases in the solar system allows (1) to confirm that, exept 136 Xe and 134 Xe, the mathematically derived U-Xe is equivalent to Solar Wind Xe and (2) to provide an opportunity for better understanding the relationship between the starting composition and Xe-Q (and Q-Kr), the dominant current "planetary" component, and its host, the mysterious phase-Q.

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Section: Comparison Of Isotopic Compositions Of Heavy Noble Gases Withsupporting

confidence: 87%

Section: Solar Wind Flux Of Heavy Noble Gasessupporting

confidence: 67%

Section: Solar Wind Flux Of Heavy Noble Gasesmentioning

confidence: 83%

Section: Correction For Trapped Xe Andmentioning

confidence: 97%

“…Prior to our analyses, the SW 129 Xe/ 132 Xe ratios were reported by Heber et al, 2009;Vogel et al, 2011. Major SW Xe isotopes analyzed using RELAX technique were illustrated in Fig.…”

Section: Comparison Of Isotopic Compositions Of Heavy Noble Gases Withmentioning

confidence: 99%

See 3 more Smart Citations

Heavy noble gases in solar wind delivered by Genesis mission

Meshik

Hohenberg

Pravdivtseva

et al. 2014

Geochimica et Cosmochimica Acta

100

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Origin of Light Noble Gases (He, Ne, and Ar) on Earth: A Review

Péron

Moreira

Agranier

2018

Geochem Geophys Geosyst

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We review the different scenarios for the origin of light noble gases (He, Ne, and Ar) on Earth. Several sources could have contributed to the Earth's noble gas budget: implanted solar wind, solar nebula gas, chondrites, and comets. Although there is evidence for “solar‐like” neon in the Earth's mantle, questions remain as to its origin. A new compilation of noble gas data in lunar soils, interplanetary dust particles, micrometeorites, and solar wind allows examination of the implanted solar wind composition, which is key to understanding the “solar‐like” mantle neon isotope composition. We show that lunar soils that reflect this solar‐wind‐implanted signature have a 20Ne/22Ne ratio very close to that of ocean island basalts. New data and calculations illustrate that the measured plume source 20Ne/22Ne ratio is close to the primitive mantle ratio, when taking into account mixing with the upper mantle (that has lower 20Ne/22Ne ratio). This favors early solar wind implantation to account for the origin of light volatiles (He, Ne, and possibly H) in the Earth's mantle: they were incorporated by solar wind irradiation into the Earth's precursor grains during the first few Myr of the solar system's formation. These grains must have partially survived accretion processes (only a few percent are needed to satisfy the Earth's budget of light volatiles). As for the atmosphere, the neon isotope composition can be explained by mixing 36% of mantle gases having this solar‐wind‐implanted signature and 64% of chondritic gases delivered in a late veneer phase.

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Helium-3 in the Lunar Soil

Slyuta

Turchinskaya

2023

Advances in Geochemistry, Analytical Chemistry, and Planetary Sciences

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Noble gas composition of the solar wind as collected by the Genesis mission

Cited by 176 publications

References 58 publications

Heavy noble gases in solar wind delivered by Genesis mission

Heavy noble gases in solar wind delivered by Genesis mission

Origin of Light Noble Gases (He, Ne, and Ar) on Earth: A Review

Helium-3 in the Lunar Soil

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