Muon Capture in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mo>(</mml:mo><mml:mi>p</mml:mi><mml:mi>μ</mml:mi><mml:mi>d</mml:mi><mml:mo>)</mml:mo></mml:mrow><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math>Molecules

Wang, I. T.; Anderson, E. W.; Bleser, E.; Lederman, Leon M.; Meyer, S. L.; Rosen, J.; Rothberg, J.

doi:10.1103/physrev.139.b1528

Cited by 57 publications

(29 citation statements)

References 26 publications

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“…The experimental data of Refs. [25][26][27][28] are also shown. Since the experimental uncertainties for these data are very large, no conclusion can be drawn from a comparison with them.…”

Section: Results For Thementioning

confidence: 99%

“…Differential capture rate dΓ F d /dp of the µ − + 2 H → ν µ + n + n process calculated using standard PWD with various nucleon-nucleon potentials: the AV18 potential [13] (solid curves), the Bonn B potential [23] (dashed curves) and the set of chiral NNLO potentials from Ref. [24] (bands) for F = calculate directly [25] 365 ± 96 A. Bertin et al [26] 445 ± 60 G. Bardin et al [27] 470 ± 29 M. Cargnelli et al [28] 409 ± 40…”

Section: Results For Thementioning

confidence: 99%

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Break-up channels in muon capture onHe3

et al. 2014

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The µ − + 2 H → ν µ +n+n, µ − + 3 He → ν µ + 3 H, µ − + 3 He → ν µ +n+d and µ − + 3 He → ν µ +n+n+p capture reactions are studied with various realistic potentials under full inclusion of final state interactions. Our results for the two-and three-body break-up of 3 He are calculated with a variety of nucleon-nucleon potentials, among which is the AV18 potential, augmented by the Urbana IX three-nucleon potential. Most of our results are based on the single nucleon weak current operator. As a first step, we have tested our calculation in the case of the µ − + 2 H → ν µ + n + n and µ − + 3 He → ν µ + 3 H reactions, for which theoretical predictions obtained in a comparable framework are available. Additionally, we have been able to obtain for the first time a realistic estimate for the total rates of the muon capture reactions on 3 He in the break-up channels: 544 s −1 and 154 s −1 for the n + d and n + n + p channels, respectively. Our results have also been compared with the most recent experimental data, finding a rough agreement for the total capture rates, but failing to reproduce the differential capture rates.

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“…The experimental data of Refs. [25][26][27][28] are also shown. Since the experimental uncertainties for these data are very large, no conclusion can be drawn from a comparison with them.…”

Section: Results For Thementioning

confidence: 99%

Section: Results For Thementioning

confidence: 99%

Break-up channels in muon capture onHe3

et al. 2014

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“…We will therefore consider only Γ D . The first attempt to measure Γ D was carried out over forty years ago by Wang et al: they obtained Γ D = 365(96) s −1 [5]. A few years later, Bertin et al measured Γ D = 445(60) s −1 [6].…”

Section: Introductionmentioning

confidence: 99%

Muon capture on deuteron andHe3

et al. 2011

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The muon capture reactions 2 H(µ − , νµ)nn and 3 He(µ − , νµ) 3 H are studied with conventional or chiral realistic potentials and consistent weak currents. The initial and final A = 2 and 3 nuclear wave functions are obtained from the Argonne v18 or chiral N3LO two-nucleon potential, in combination with, respectively, the Urbana IX or chiral N2LO three-nucleon potential in the case of A = 3. The weak current consists of polar-and axial-vector components. The former are related to the isovector piece of the electromagnetic current via the conserved-vector-current hypothesis. These and the axial currents are derived either in a meson-exchange or in a chiral effective field theory (χEFT) framework. There is one parameter (either the N -to-∆ axial coupling constant in the meson-exchange model, or the strength of a contact term in the χEFT model) which is fixed by reproducing the Gamow-Teller matrix element in tritium β-decay. The model dependence relative to the adopted interactions and currents (and cutoff sensitivity in the χEFT currents) is weak, resulting in total rates of 392.0 ± 2.3 s −1 for A = 2, and 1484 ± 13 s −1 for A = 3, where the spread accounts for this model dependence.

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“…Second some early experiments on deuterium capture used hydrogen-deuterium mixtures, e.g. Wang et al (1965) used 0.3% D 2 in H 2 liquid and Bertin et al (1973) …”

Section: Muons In Hydrogen-deuterium Mixturesmentioning

confidence: 99%

Induced pseudoscalar coupling of the proton weak interaction

2003

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The induced pseudoscalar coupling gp is the least well known of the weak coupling constants of the proton's charged-current interaction. Its size is dictated by chiral symmetry arguments, and its measurement represents an important test of quantum chromodynamics at low energies. During the past decade a large body of new data relevant to the coupling gp has been accumulated. This data includes measurements of radiative and non radiative muon capture on targets ranging from hydrogen and few-nucleon systems to complex nuclei. Herein the authors review the theoretical underpinnings of gp, the experimental studies of gp, and the procedures and uncertainties in extracting the coupling from data. Current puzzles are highlighted and future opportunities are discussed.

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Muon Capture in(pμd)+Molecules

Cited by 57 publications

References 26 publications

Break-up channels in muon capture onHe3

Break-up channels in muon capture onHe3

Muon capture on deuteron andHe3

Induced pseudoscalar coupling of the proton weak interaction

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