Development of an Isomeric beam of26Al for nuclear reaction studies

Asher, Benjamin; Nusair, O.; Rehm, K. E.; Avila, M. L.; Chen, A.A.; Dickerson, Clayton; Jiang, C. L.; Kay, B. P.; Pardo, R. C.; Santiago-Gonzalez, D.; Talwar, R.

doi:10.1016/j.nima.2018.05.015

Cited by 5 publications

(1 citation statement)

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“…A few applications of this approach are detailed in Refs. [1,2,3,4,5,6,7,8,9,10,11]. One reaction method that has shown promise for producing 16 N reaction from the DWBA approach at reaction energies of (a) 7.9 MeV/u and (b) 13.2 MeV/u.…”

Section: Introductionmentioning

confidence: 99%

In-flight production of an isomeric beam of $^{16}$N

Hoffman,

Tang,

Avila

et al. 2022

Preprint

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An in-flight beam of 16 N was produced via the single-neutron adding (d,p) reaction in inverse kinematics at the recently upgraded Argonne Tandem Linear Accelerator System (ATLAS) in-flight system. The amount of the 16 N beam which resided in its excited 0.120-MeV J π = 0 − isomeric state (T 1/2 ≈ 5 µs) was determined to be 40(5)% at a reaction energy of 7.9(3) MeV/u, and 24(2)% at a reaction energy of 13.2(2) MeV/u. The isomer measurements took place at an experimental station ≈ 30 m downstream of the production target and utilized an Al beam-stopping foil and a HPGe Clover detector. Composite 16 N beam rate determinations were made at the experimental station and the focal plane of the Argonne in-flight radioactive ion-beam separator (RAISOR) with Si ∆E-E telescopes. A Distorted Wave Born Approximation (DWBA) approach was coupled with the known spectroscopic information on 16 N in order to estimate the relative 16 N isomer yields and composite 16 N beam rates. In addition to the observed reaction-energy dependence of the isomer fraction, a large sensitivity to angular acceptance of the recoils was also observed.

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