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Study of low-lying resonant states in $^{16}$F using an $^{15}$O radioactive ion beam

D.W. Lee, Kari A. Peräjärvi, J. Powell, James P. O’Neil, D. M. Moltz, Vladilen Z. Goldberg, Joseph Cerny

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Abstract

A 120 MeV 15 O radioactive ion beam with an intensity on target of 4.5×10 4 pps has been developed at the 88-inch cyclotron at the Lawrence Berkeley National Laboratory.This beam has been used to study the level structure of 16 F at low energies via the p( 15 O,p) reaction using the thick target inverse kinematics method on a polyethylene target.The experimental excitation function was analyzed using R-matrix calculations.Significantly improved values for the level widths of the four low-lying states in 16 F are reported.Good agreement with the theoretical spectroscopic factors is also obtained.

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A 120 MeV 15 O radioactive ion beam with an intensity on target of 4.5×10 4 pps has been developed at the 88-inch cyclotron at the Lawrence Berkeley National Laboratory.This beam has been used to study the level structure of 16 F at low energies via the p( 15 O,p) reaction using the thick target inverse kinematics method on a polyethylene target.The experimental excitation function was analyzed using R-matrix calculations.Significantly improved values for the level widths of the four low-lying states in 16 F are reported.Good agreement with the theoretical spectroscopic factors is also obtained.

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Available abstract

A 120 MeV 15 O radioactive ion beam with an intensity on target of 4.5×10 4 pps has been developed at the 88-inch cyclotron at the Lawrence Berkeley National Laboratory.This beam has been used to study the level structure of 16 F at low energies via the p( 15 O,p) reaction using the thick target inverse kinematics method on a polyethylene target.The experimental excitation function was analyzed using R-matrix calculations.Significantly improved values for the level widths of the four low-lying states in 16 F are reported.Good agreement with the theoretical spectroscopic factors is also obtained.

Key concepts: National laboratory, Cyclotron, Ion beam, Nuclear physics, Physics, Beam (structure), Atomic physics, Engineering physics

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