Muon transfer from hydrogen to argon and helium at 10<i>–</i>15 bars

Jacot‐Guillarmod, R.; Bienz, F; Boschung, M.; Piller, C.; Schaller, L.A.; Schellenberg, L.; Schneuwly, H.; Reichart, W.; Torelli, G.

doi:10.1103/physreva.38.6151

Cited by 40 publications

(10 citation statements)

References 32 publications

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“…On the other hand, one can observe that they do not vary between 7 and 40 bars for D2 + Ne mixtures (see Table IV). This is confirmed by similar measurements performed with H2+ Ar gas mixtures on a wider pressure range from 10 up to 150 bars [10]. From simple energy-based arguments (reduced mass diKerence) one would expect that the muonic level of transfer would be less from muonic deuterium compared to muonic protium, i.e.…”

Section: B Intensity Patternssupporting

confidence: 68%

“…determined from the H2 + 2.0%%upNe data obtained with the same vessel and at comparable pressure. Table IV shows that the intensity pattern due to muon transfer to neon does not depend on neon concentration, or on the pressure of the mixture, as already mentioned in the case of muon transfer to argon [10]. Setting different delayed time cuts did not modify them either.…”

Section: B Intensity Patternssupporting

confidence: 58%

“…[10], and a new silver-plated vessel of about 6 liters designed for 40-bar measurements [11]. All mixtures have been measured at room temperature after being prepared at about 150 bars by an industrial factory (Carbagas, Bern) which certified their homogeneity and the relative concentration of the components within +1%precision, but +2% for the H2+0.…”

Section: Measurementmentioning

confidence: 99%

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Muon transfer from hydrogen and deuterium atoms to neon

Jacot‐Guillarmod

1995

Phys. Rev. A

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The muon exchange reactions from the ground state of muonic protium and deuterium atoms to neon are studied. Measurements have been performed in binary gas mixtures at room temperature. The transfer rate from thermalized muonic deuterium is found to exceed by about an order of magnitude the one from muonic protium. On the other hand, an energy dependence of the rate from pd is revealed, while none is observed from pp. The intensity patterns of the muonic Lyman series of neon resulting from the muon exchange difFer from one hydrogen isotope to the other, the most obvious discrepancy being the presence of the muonic Ne(7-1) line after transfer from pd, whereas this line is absent by transfer from pp. This indicates that the muon is transferred to the level n"= 6 in neon from protium, respectively, n& --7 from deuterium~. This observation disagrees with the theoretical predictions. This study sheds some light on the surprising behavior of muon transfer to neon.PACS number(s): 36.10. Dr, 34.70.+e, 82.30.Fi

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Section: B Intensity Patternssupporting

confidence: 68%

Section: B Intensity Patternssupporting

confidence: 58%

Section: Measurementmentioning

confidence: 99%

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Muon transfer from hydrogen and deuterium atoms to neon

Jacot‐Guillarmod

1995

Phys. Rev. A

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“…Hence, the kinetics of muons in media is defined to a large extent by the probability of this process. Indeed, the role of the formation of a muonic molecule in a charge-exchange reaction was confirmed in a number of experiments [1], [2], [3], [4].…”

Section: Introductionmentioning

confidence: 91%

“…The goal of this paper is to perform systematical calculations of energy levels and nonradiative decay rates of the 3,4 Hedµ systems for all possible values of the total angular momentum. Only the transition to the channel with the Heµ atom in the ground state has been considered.…”

Section: Introductionmentioning

confidence: 99%