1992
DOI: 10.1002/phbl.19920481107
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Erste Sonnenneutrino‐Messung durch GALLEX

Abstract: Einleitung Es gilt allgemein als gesichertes Wissen, daB die Sonne und alle ubrigen Sterne (abgesehen von speziellen, nur kurz andauernden Phasen in der Sternentwicklung) die Energie, die sie von ihrer Oberflache abstrahlen, durch Kernfusion, also durch Verschmelzung leichterer chemischer Elemente in schwerere beziehen. In der Tat beruht das gesamte Gebaude der nuklearen Astrophysik auf dieser plausiblen Annahme. Der direkte experimentelle Beweis dafur stand allerdings bisher noch aus. Da die Beobachtung der v… Show more

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Cited by 253 publications
(465 citation statements)
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“…In the early 90's the scene was dominated by the second generation of radiochemical experiments based on Gallium, GALLEX/GNO and SAGE [194][195][196], which not only reinforced the physics case of Homestake and Kamiokande, thus further strengthening the SNP, but also marked the first detection ever of the overwhelming flux of the pp neutrinos. This milestone result represented the first direct proof of the nuclear burning mechanism as the actual stellar energy generating engine.…”
Section: Experimental Statusmentioning
confidence: 99%
See 1 more Smart Citation
“…In the early 90's the scene was dominated by the second generation of radiochemical experiments based on Gallium, GALLEX/GNO and SAGE [194][195][196], which not only reinforced the physics case of Homestake and Kamiokande, thus further strengthening the SNP, but also marked the first detection ever of the overwhelming flux of the pp neutrinos. This milestone result represented the first direct proof of the nuclear burning mechanism as the actual stellar energy generating engine.…”
Section: Experimental Statusmentioning
confidence: 99%
“…To be able to perform neutrino oscillometry using a realistic-size detector like LENA (100 m long), one needs a strong source of monoenergetic neutrinos with an energy of a few hundred keV. Comparable sources have already been produced by neutron irradiation in nuclear reactors [262][263][264]. Neutrino oscillometry potentially provides a competitive and considerably less expensive alternative to long-baseline neutrino beams.…”
Section: Introductionmentioning
confidence: 99%
“…75 Gallex has expanded this approach to achieve a real calibration of the detector by complementing the source experiment with a high-statistics 71 As doping experiment. 76 The application of a Megacurie neutrino source is also foreseen for Borexino to demonstrate the performance of the detector. This is especially valuable in the event of a very small or null signal (e.g.…”
Section: Neutrino Physics With Megacurie Sourcesmentioning
confidence: 99%
“…If the spectrum fit works perfectly, we should obtain f i (sin 2 2θ, ∆m 2 ) = F i (sin 2 2θ, ∆m 2 ). To see the consistency of f i (sin 2 2θ, ∆m 2 ) and F i (sin 2 2θ, ∆m 2 ), we compare 16) which both represent the oscillation probability at each oscillation parameter set, as shown in Figure 7.11. We see a fairly good agreement between f i (sin 2 2θ, ∆m 2 ) and F i (sin 2 2θ, ∆m 2 ).…”
Section: Oscillation Effect At Sciboonementioning
confidence: 99%
“…∆m 2 12 ∼ 8 × 10 −5 eV 2 , θ 12 ∼ 30 degrees The neutrino oscillation in the solar region was discovered with ν e → ν x oscillation by solar neutrino experiments (Homestake [15], GALLEX [16], GNO [17], SAGE [18], SNO [19], SK [20] and Borexino [21]) and confirmed by a reactor neutrino experiment; KamLAND [22]. There are two allowed regions around ∆m 2 ∼ 10 −3 (tan 2 θ ∼ 1) and ∆m 2 ∼ 10 −5 (tan 2 θ ∼ 1/3), which corresponds to the atmospheric and solar regions, respectively.…”
Section: Solar Regionmentioning
confidence: 99%