Abstract
Analysis of the data acquired with the BINA detector system in ^1H(d, pp)n reaction at the beam energy of 80 MeV/nucleon makes a systematic analysis of the star configurations possible. This paper shows the preliminary cross section of the Forward-Plane Star (FPS) configuration with the neighbouring configurations.
Highlights
The Space Star Anomaly (SSA) [1], stands for a long-lasting discrepancy between differential cross section measured for deuteron-proton breakup at 13 MeV and the theoretical predictions
The analyses for the other star configurations differing from the Space Star by the inclination of the triangle plane to the beam axis (α) showed that the discrepancy disappears with decreasing slope [2]
The experiments performed with BINA at KVI, Groningen, and at CCB, Krakow, make it possible to extend the experimental data on the Space Star cross section with the measurements taken at 50, 80, 108, 135, and 160 MeV/nucleon
Summary
The Space Star Anomaly (SSA) [1], stands for a long-lasting discrepancy between differential cross section measured for deuteron-proton breakup at 13 MeV and the theoretical predictions. A scan over beam energies performed for a broad set of star configurations, including the Space Star, can shed light on the SSA problem and the role of relativistic effects in the description of the breakup reaction. The first step to complete the program is to measure the reference configurations near the Forward-Plane Star, where the data are expected to follow the theoretical calculations for both low and medium energies.
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