LXVII. The production of hyperons and heavy mesons

James, Gordon; Salmeron, R.

doi:10.1080/14786440608521106

Cited by 17 publications

(2 citation statements)

References 15 publications

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“…Double production of V -particles has been observed in yet another experiment [38]. On the other hand, G.D. James and R.A. Salmeron [39] concluded that: "The statistical analysis of the frequency of associated V -events in our cloud chamber does not provide evidence for or against the hypothesis that Y -and K-particles are always produced together. We interpret those associated V -events that we observe as examples of 'plural' production in separate reactions inside the same nucleus.…”

Section: Curious Particlesmentioning

confidence: 75%

Studying in-medium hadron properties with HADES

Friese

1999

Progress in Particle and Nuclear Physics

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Section: Curious Particlesmentioning

confidence: 75%

Studying in-medium hadron properties with HADES

Friese

1999

Progress in Particle and Nuclear Physics

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“…A NGULAR correlation effects in F-particle decay have been investigated recently by a number of workers, [1][2][3][4][5] in an attempt to learn something about the spins of the new unstable particles. For reasons of parity and angular momentum conservation, a particle of spin zero or spin one-half must decay isotropically in its rest frame.…”

Section: Introductionmentioning

confidence: 99%

Mesonic X-Rays from Capture of Cosmic-RayμMesons in a Chemical Compound

Fafarman

Shamos

1955

Phys. Rev.

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Measurements have been made of the x-rays emitted by mesonic carbon and oxygen atoms formed by the capture of negative cosmic ray tx mesons. A 4-liter tank of liquid scintillator, dioxane, C4O2H8 (plus 10 g/1 of ^>-terphenyl) served as the absorber and as the detector for the stopping of cosmic-ray JJ. mesons. The mesons were identified by the method of delayed coincidences.The mesonic x-rays from the dioxane were detected by a scintillation spectrometer. Spectrometer pulses in coincidence with the stopping meson were lengthened and their pulse height recorded on a recording milliammeter. The time distribution of the delayed coincidences was recorded over the delay interval 0.5 to 8.0 jusec. The measured 2p -Is transition energies of 82 kev and 145 kev, for carbon and oxygen respectively, agree with the simple Bohr orbit calculations within the precision of the measurement. The observed ratio of captures by oxygen and carbon (0.33±0.04) does not agree with the Z-dependence predicted by Fermi and Teller for mesonic atom formation by chemical compounds (0.67) nor with the simple stopping power calculation (0.50); however, in view of the thick absorber (14 cm depth of dioxane), the above experimental ratio is uncertain because of Compton degradation of the oxygen 2p -Is radiation which shifts some events from the oxygen to the carbon peak. The observed distribution of delays is consistent with the assignment of the observed radiation to fxmeson capture.

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A remark concerning the backward-forward asymmetry in Λ0-decay

Salmeron

Zichichi

1959

Nuovo Cim

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LXVII. The production of hyperons and heavy mesons

Cited by 17 publications

References 15 publications

Studying in-medium hadron properties with HADES

Studying in-medium hadron properties with HADES

Mesonic X-Rays from Capture of Cosmic-RayμMesons in a Chemical Compound

A remark concerning the backward-forward asymmetry in Λ0-decay

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