Speaker
Description
Investigating (α,p) reactions is essential for understanding explosive stellar environments, such as X-ray bursts and core-collapse supernovae. However, direct measurements of (α,p) reactions with rare-isotope beams remain experimentally challenging, and previous studies have therefore relied largely on theoretical estimates and indirect approaches. An Active Target Time Projection Chamber (AT-TPC) provides a suitable detection system for such measurements, combining high detection efficiency with three-dimensional tracking in a thick gas target. A new Active Target TPC for Multiple nuclear physics eXperiments, AToM-X, is being developed at the Center for Exotic Nuclear Studies (CENS) for direct measurements of astrophysically important reactions. In this presentation, the development status of AToM-X and the approved experimental programs will be discussed including the direct measurement of the ¹⁷F(α,p)²⁰Ne reaction cross sections at CRIB in RIKEN.
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