2016
DOI: 10.1103/physrevc.94.014320
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Evidence for a 3.8 MeV state inBe9

Abstract: The breakup reaction 9 Be( 4 He,3α)n was measured using an array of four double-sided silicon strip detectors at beam energies of 22 and 26 MeV. Excited states in 9 Be up to 8 MeV were populated and reconstructed through measurements of the charged reaction products. Evidence is given for a state in 9 Be at 3.82

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Cited by 3 publications
(4 citation statements)
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“…The experimental analysis is similar to that of Ref. [8], however, the specific condition that decays proceeded via the 8 Be ground state was not required. Hence, 9 Be excitation spectra were reconstructed for events which break up via any of the open channels.…”
Section: Application To Beryllium-9 Breakupmentioning
confidence: 87%
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“…The experimental analysis is similar to that of Ref. [8], however, the specific condition that decays proceeded via the 8 Be ground state was not required. Hence, 9 Be excitation spectra were reconstructed for events which break up via any of the open channels.…”
Section: Application To Beryllium-9 Breakupmentioning
confidence: 87%
“…[8]). A new resonance was recorded at 3.8 MeV, and the necessity for reliable branching ratio measurements in order to determine the angular momentum of the state, was highlighted.…”
Section: Application To Beryllium-9 Breakupmentioning
confidence: 99%
“…We briefly describe the numerical methods used to create the Figures 5-20. In all calculations involving matrix diagonalization, the circuit Hamiltonians are represented in a basis of harmonic oscillator eigenstates [35]. This basis is specified by the normal modes of the linear part of the Hamiltonian (i.e., the part independent of the Josephson junctions).…”
Section: A Numerical Methodsmentioning
confidence: 99%
“…In the level scheme [8] (see Table 1) the excited states of the 2.78 MeV, 4.70 MeV, 5.59 MeV and 7.94 MeV in 9 Be nucleus have following spin-parity values 1 However, in 2015 an article [9] was published, where new spin-parity values for the above-mentioned excited states were determined: 3 − was observed in the 9 Be [11], which is an isobar analog of the 3.8 MeV state in 9 B. However, the question of the structure of this state was not raised.…”
Section: (): V-volmentioning
confidence: 99%