Measurement of inclusive production of neutral pions from Upsilon(4S) decays.

The Belle collaboration Abe, Kazuo ; Abe, K. ; Adachi, I. ; et al.
Phys.Rev.D 64 (2001) 072001, 2001.
Inspire Record 554520 DOI 10.17182/hepdata.31475

Using the Belle detector operating at the KEKB e+e- storage ring, we have measured the mean multiplicity and the momentum spectrum of neutral pions from the decays of the Upsilon(4S) resonance. We measure a mean of 4.70 +/- 0.04 +/- 0.22 neutral pions per Upsilon(4S) decay.

2 data tables

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