Isospin-forbidden analogue resonances in33Cl I.—The lowerT=3/2 analogue resonance

Abbondanno, U.; Giacomich, R.; Granata, L.; Lagonegro, M.; Poiani, G.; Blasi, P.; Ricci, R. A.

doi:10.1007/bf02725383

Cited by 13 publications

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“…[12] discuss in detail how the small uncertainty in beam energy was achieved, while we found no discussion in Ref. [10].…”

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confidence: 99%

“…In order to minimize uncertainties due to hysteresis effects in the analyzing magnet, we biased the target ladder from 21 to 15 kV to produce our excitation functions, rather than changing the beam energy [20]. Approximately 7 keV higher than the s 1 2 , T 3͞2 ͑G ഠ 0.1 keV͒ resonance lies a f 7 2 , T 1͞2 ͑G ഠ 1 keV͒ resonance [9,10] which is much more noticeable than the resonance of interest given our beam energy resolution of ഠ1 keV. So we fixed our analyzing magnetic field to yield protons approximately 2 keV higher than the f 7 2 , T 1͞2 resonance, found the resonance only using bias in the target ladder, and then switched the beam to measure its energy via 16 O͑p, g͒.…”

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Revalidation of the Isobaric Multiplet Mass Equation

et al. 2002

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We have determined the energy of the J(pi) = 1/2(+), T = 3/2 resonance in 32S(p,p) to be E(p) = 3374.7+/-0.8 keV. This disagrees with the previously accepted value of E(p) = 3370+/-1 keV by Abbondanno et al. [Nuovo Cimento 70A, 391 (1970)] and solves a problem raised by recent observations of unexpected deviations from the isobaric multiplet mass equation. This resonance is also important in calibrating the beta-delayed proton spectra from 33Ar and 32Ar, and our findings may modify previous conclusions.

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“…[12] discuss in detail how the small uncertainty in beam energy was achieved, while we found no discussion in Ref. [10].…”

mentioning

confidence: 99%

mentioning

confidence: 99%