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Vub measurement using recoil of fully reconstructed Bs

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Subject:
From:
Riccardo Faccini <[log in to unmask]>
Date:
18 Jan 2003 09:41:23 -0800 (PST)Sat, 18 Jan 2003 09:41:23 -0800 (PST)
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I have checked for all Bs the agreement between data and MC on Mx in bins
of mm2 and per year.
You can find it in
mm2<0
http://www.slac.stanford.edu/~rfaccini/phys/vub/deltam/comparison7mxhadfitallcuts-mm2-1.ps
0<mm2<0.5
http://www.slac.stanford.edu/~rfaccini/phys/vub/deltam/comparison7mxhadfitallcuts-mm2-2.ps
0.5<mm2<1.5
http://www.slac.stanford.edu/~rfaccini/phys/vub/deltam/comparison7mxhadfitallcuts-mm2-3.ps
1.5<mm2<6
http://www.slac.stanford.edu/~rfaccini/phys/vub/deltam/comparison7mxhadfitallcuts-mm2-4.ps
mm2>6
http://www.slac.stanford.edu/~rfaccini/phys/vub/deltam/comparison7mxhadfitallcuts-mm2-5.ps

As you can see the situation gets worse at low values of mm2, the worst
agreement being for mm2<0.

As far as different years are concerned
2000
http://www.slac.stanford.edu/~rfaccini/phys/vub/deltam/comparison7mxhadfitallcuts-2000.ps
2001
http://www.slac.stanford.edu/~rfaccini/phys/vub/deltam/comparison7mxhadfitallcuts-2001.ps
2002
http://www.slac.stanford.edu/~rfaccini/phys/vub/deltam/comparison7mxhadfitallcuts-2002.ps

all the years show an effect, compatibly with the statistics
	ciao
	ric



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