η Production in Proton-Proton Scattering Close to Threshold

P. Moskal et al.
Phys. Rev. Lett. 80, 3202 – Published 13 April 1998
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Abstract

The ppppη(958) reaction has been measured at the cooler synchrotron COSY at Jülich using the internal beam and the COSY-11 facility. The total cross sections at the four different excess energies Q=1.5,1.7,2.9, and 4.1MeV have been evaluated to be σ=2.5±0.5,2.9±1.1,12.7±3.2, and 25.2±3.6nb, respectively. In this region of excess energy the η(958) cross sections are much lower compared to those of the π0 and η production.

  • Received 1 December 1997

DOI:https://doi.org/10.1103/PhysRevLett.80.3202

©1998 American Physical Society

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Vol. 80, Iss. 15 — 13 April 1998

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Heating up of Superconductors
January 27, 2017

This collection marks the 30th anniversary of the discovery of high-temperature superconductors. The papers selected highlight some of the advances that have been made to date, both in understanding why these compounds behave in the way they do, and in utilizing them in applications. The papers included in the collection have been made free to read.

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