Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: First Observation of the Zb0(10610) in a Dalitz Analysis of Y(5S) ->
  Y(nS) pi0 pi0   We report the first observation of Y(5S) -> Y(nS) pi0 pi0 decays. The neutral
partner of the Zb+-(10610), the Zb0(10610) decaying to Y(2,3S) pi0, is observed
for the first time with a 6.5 sigma significance using a Dalitz analysis of
Y(5S) -> Y(2,3S) pi0 pi0 decays. The results are obtained with a 121.4 fb^-1
data sample collected with the Belle detector at the Y(5S) resonance at the
KEKB asymmetric-energy e+e- collider.

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The categories of this paper are: alg-geom
20
The categories of this paper are: acc-phys
3
The categories of this paper are: physics
1
The categories of this paper are: cs
17
The categories of this paper are: q-fin
16
The categories of this paper are: stat
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The categories of this paper are: bayes-an
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The categories of this paper are: dg-ga
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The categories of this paper are: solv-int
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The categories of this paper are: adap-org
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The categories of this paper are: q-bio
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The categories of this paper are: nucl-ex
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The categories of this paper are: chao-dyn
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The categories of this paper are: cmp-lg
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The categories of this paper are: q-alg
2
The categories of this paper are: math