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Muon capture by3Henuclei followed by proton and deuteron production

“…[62,63,64]. These values are somewhat higher than a recent experiment [65] (q 1s = 0.689 (27)) performed at an intermediate 3 He concentration (c3 He = 9.13%). Using Eqs.…”

“…(27) and (12) are similar for both the pure gas and the mixture. The difference lies in the time factor f t , given by Eqs.…”

“…(43) to calculate the proton yield N p (∆E p , ∆T ) and then applying Eqs. (12) and (27). The differential capture rates dλ p cap /dE p also follow from the proton yield and Eq.…”

“…-the muon capture rates as function of the energy for both the protons and deuterons (λ (27), and (13), we need to determine the number of protons N p (∆E p , ∆T ) and deuterons N d (∆E d , ∆T ) for each energy interval ∆E p and ∆E d . In the next two subsections we describe the two approaches to determine the respective number of protons and deuterons, based on the analysis of the two-dimensional (A jk ) B−A distributions as function of dE and E for each of the three Runs (I-III).…”

“…The apparatus was originally designed and used to measure the nuclear fusion rate in the molecular system dµ 3 He [25,27,29,30]. Figure 1 schematically displays the apparatus as seen by an incoming muon.…”