First Year of BABAR/PEP-II - Harvard University Laboratory for ...
First Year of BABAR/PEP-II - Harvard University Laboratory for ...
First Year of BABAR/PEP-II - Harvard University Laboratory for ...
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◆<br />
∆E<br />
=<br />
E B<br />
CMS<br />
–<br />
B 0 → J/ψ K S Signal<br />
CMS<br />
E beam<br />
◆<br />
m B<br />
=<br />
CMS<br />
( E beam<br />
) 2 CMS<br />
– ( p B<br />
) 2<br />
0.1<br />
0.05<br />
<strong>BABAR</strong><br />
0<br />
4<br />
<strong>BABAR</strong><br />
-0.05<br />
3<br />
-0.1<br />
2<br />
5.2 5.225 5.25 5.275 5.3<br />
Data ~620 pb -1<br />
1<br />
0<br />
5.2 5.225 5.25 5.275 5.3<br />
Signal 12 events<br />
Background 1.4 ± 0.2<br />
Expected signal 9.8 ± 1.1<br />
<strong>First</strong> <strong>Year</strong> <strong>of</strong> BaBar/<strong>PEP</strong>-<strong>II</strong> Masahiro Morii SLAC
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