Luminosity determination for the dd→α K+K experiment at ANKE/COSY

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YUAN Xiao-Hua, Dzyuba Alexey, scher Markus, for the and ANKE Collaboration. Luminosity determination for the dd→α K+K experiment at ANKE/COSY[J]. Chinese Physics C, 2009, 33(1): 20-23. doi: 10.1088/1674-1137/33/1/005
YUAN Xiao-Hua, Dzyuba Alexey, scher Markus, for the and ANKE Collaboration. Luminosity determination for the dd→α K+K experiment at ANKE/COSY[J]. Chinese Physics C, 2009, 33(1): 20-23.  doi: 10.1088/1674-1137/33/1/005 shu
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Received: 2008-04-28
Revised: 2008-05-28
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Luminosity determination for the dd→α K+K experiment at ANKE/COSY

    Corresponding author: YUAN Xiao-Hua,

Abstract: 

High resolution studies of a0/f0(980) decays into channels involving open strangeness are currently being performed at COSY-J\"ulich. As a "filter'' for isospin-zero intermediate states, {i.e.} to selectively produce the f0(980) resonance, the $\rm dd\to \upalpha K+K reaction was measured with the magnetic ANKE spectrometer. In order to determine the luminosity of this experiment, the elastically and quasi-elastically scattered deuterons were recorded simultaneously with the αK+Kevents. Here we report about the luminosity determination via investigating the (quasi-) elastic deuterons at ANKE.

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