Investigating the N = 28 shell-closure with single-nucleon transfer reactions

¹ Department of Nuclear Physics and Accelerator Applications, The Australian National University, Canberra, ACT 2601, Australia
² Physics Division, Argonne National Laboratory, Lemont, IL 60439, USA
³ IGFAE, Universidade de Santiago de Compostela, E-15782, Santiago de Compostela, Spain
⁴ Department of Physics and Astronomy, University of Notre Dame, Notre Dame, 46556, IN, USA
⁵ Facility for Rare Isotope Beams, Michigan State University, East Lansing, MI, USA
⁶ Department of Physics and Astronomy, University of Manchester, Manchester, M13 9PL, United Kingdom
⁷ Department of Physics, Chalmers University of Technology, Chalmersgatan 4, 412 96 Gothenburg, Sweden
⁸ Department of Physics, University of Connecticut, Storrs, 06269, CT, USA

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Published online: 13 May 2026

Abstract

We report on a first-of-its-kind simultaneous ⁴⁸Ca(d, p) and ⁴⁸Ca(d, t) reactions study in inverse kinematics with the Helical Orbit Solenoidal Spectrometer (HELIOS) at Argonne National Laboratory. This serves as an important demonstration of the viability of simultaneous reaction studies with solenoidal spectrometers, paving the way for similar experiments at other facilities, including with the SOLARIS device at FRIB. Furthermore, we report on the development of the new Light-Ion Focal Plane Detector (L-ion FPD) to perform complementary single-nucleon transfer reactions with light beams and enriched, stable targets with the Enge Magnetic Spectrometer at the Heavy Ion Accelerator Facility (HIAF).