A Precision Measurement of pp Elastic Scattering Cross Sections at Intermediate Energies

Details A Precision Measurement of pp Elastic Scattering Cross Sections at Intermediate Energies A Precision Measurement of pp Elastic Scattering Cross Sections at Intermediate Energies

2004-03-23

arxiv.org/abs/nucl-ex/0403045v1

Eur.Phys.J. A22 (2004) 125-148

Physics

Nuclear Physics

Nuclear Experiment

23 pages 29 figures

Scientific paper

We have measured differential cross sections for \pp elastic scattering with internal fiber targets in the recirculating beam of the proton synchrotron COSY. Measurements were made continuously during acceleration for projectile kinetic energies between 0.23 and 2.59 GeV in the angular range $30 \leq \theta_{c.m.} \leq 90$ deg. Details of the apparatus and the data analysis are given and the resulting excitation functions and angular distributions presented. The precision of each data point is typically better than 4%, and a relative normalization uncertainty of only 2.5% within an excitation function has been reached. The impact on phase shift analysis as well as upper bounds on possible resonant contributions in lower partial waves are discussed.

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