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Vub measurement using recoil of fully reconstructed Bs

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Subject:
From:
Urs Langenegger <[log in to unmask]>
Reply To:
Date:
23 Jan 2003 13:57:42 -0800 (PST)Thu, 23 Jan 2003 13:57:42 -0800 (PST)
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Hoi, 

according to 

>  perform the mX scan and find the value ABOVE the default with the
>  largest discrepancy in terms of number of standard deviations of
>  the uncorrelated error (we believe that deviations below might be
>  due to physics)

we don't  get a systematic  in neither B,  B0, nor B+.   The following
table  contains the  default scans  (including the  prmm2 cut)  on the
files in ~ursl/root/anaQA-m00/.  The statistical significance in terms
of uncorrelated *statistical* sigmas is in the last column.  The first
part ("bal") is  all B, the second ("bnu") is B0,  the last ("bch") is
B+.

===============================================================================
mX    default   BRBR      diff         unc. stat.                        #sigma
-------------------------------------------------------------------------------
********** bal-00-m *** Default value: 0.0198977 at bin 113 and position 1.55
1.10  0.01990 - 0.01390 = -0.00600 +/- 0.00326  -> uncorr. stat. sigmas: -1.84
1.15  0.01990 - 0.01347 = -0.00643 +/- 0.00301  -> uncorr. stat. sigmas: -2.13
1.20  0.01990 - 0.01444 = -0.00546 +/- 0.00278  -> uncorr. stat. sigmas: -1.96
1.25  0.01990 - 0.01476 = -0.00513 +/- 0.00254  -> uncorr. stat. sigmas: -2.02
1.30  0.01990 - 0.01540 = -0.00450 +/- 0.00219  -> uncorr. stat. sigmas: -2.06
1.35  0.01990 - 0.01657 = -0.00333 +/- 0.00185  -> uncorr. stat. sigmas: -1.80
1.40  0.01990 - 0.01816 = -0.00173 +/- 0.00155  -> uncorr. stat. sigmas: -1.12
1.45  0.01990 - 0.01772 = -0.00218 +/- 0.00123  -> uncorr. stat. sigmas: -1.77
1.50  0.01990 - 0.01938 = -0.00052 +/- 0.00089  -> uncorr. stat. sigmas: -0.59
1.55  0.01990 - 0.01990 = +0.00000 +/- 0.00030  -> uncorr. stat. sigmas: +0.00
1.60  0.01990 - 0.02003 = +0.00013 +/- 0.00076  -> uncorr. stat. sigmas: +0.18
1.65  0.01990 - 0.02180 = +0.00190 +/- 0.00126  -> uncorr. stat. sigmas: +1.51
1.70  0.01990 - 0.02260 = +0.00270 +/- 0.00164  -> uncorr. stat. sigmas: +1.64
1.75  0.01990 - 0.02100 = +0.00111 +/- 0.00212  -> uncorr. stat. sigmas: +0.52
1.80  0.01990 - 0.02300 = +0.00310 +/- 0.00269  -> uncorr. stat. sigmas: +1.15

********** bnu-00-m *** Default value: 0.0233367 at bin 113 and position 1.55
1.10  0.02334 - 0.01495 = -0.00839 +/- 0.00462  -> uncorr. stat. sigmas: -1.82
1.15  0.02334 - 0.01480 = -0.00853 +/- 0.00416  -> uncorr. stat. sigmas: -2.05
1.20  0.02334 - 0.01589 = -0.00745 +/- 0.00391  -> uncorr. stat. sigmas: -1.91
1.25  0.02334 - 0.01525 = -0.00809 +/- 0.00369  -> uncorr. stat. sigmas: -2.19
1.30  0.02334 - 0.01512 = -0.00821 +/- 0.00321  -> uncorr. stat. sigmas: -2.56
1.35  0.02334 - 0.01776 = -0.00558 +/- 0.00267  -> uncorr. stat. sigmas: -2.09
1.40  0.02334 - 0.01969 = -0.00365 +/- 0.00205  -> uncorr. stat. sigmas: -1.78
1.45  0.02334 - 0.01938 = -0.00395 +/- 0.00173  -> uncorr. stat. sigmas: -2.29
1.50  0.02334 - 0.02051 = -0.00282 +/- 0.00131  -> uncorr. stat. sigmas: -2.16
1.55  0.02334 - 0.02334 = +0.00000 +/- 0.00051  -> uncorr. stat. sigmas: +0.00
1.60  0.02334 - 0.02452 = +0.00118 +/- 0.00124  -> uncorr. stat. sigmas: +0.95
1.65  0.02334 - 0.02669 = +0.00336 +/- 0.00195  -> uncorr. stat. sigmas: +1.72
1.70  0.02334 - 0.02718 = +0.00385 +/- 0.00239  -> uncorr. stat. sigmas: +1.61
1.75  0.02334 - 0.02412 = +0.00078 +/- 0.00294  -> uncorr. stat. sigmas: +0.27
1.80  0.02334 - 0.03010 = +0.00676 +/- 0.00364  -> uncorr. stat. sigmas: +1.86

********** bch-00-m *** Default value: 0.0178003 at bin 113 and position 1.55
1.10  0.01780 - 0.01336 = -0.00444 +/- 0.00439  -> uncorr. stat. sigmas: -1.01
1.15  0.01780 - 0.01276 = -0.00504 +/- 0.00407  -> uncorr. stat. sigmas: -1.24
1.20  0.01780 - 0.01367 = -0.00413 +/- 0.00370  -> uncorr. stat. sigmas: -1.12
1.25  0.01780 - 0.01463 = -0.00317 +/- 0.00330  -> uncorr. stat. sigmas: -0.96
1.30  0.01780 - 0.01576 = -0.00204 +/- 0.00281  -> uncorr. stat. sigmas: -0.73
1.35  0.01780 - 0.01599 = -0.00181 +/- 0.00240  -> uncorr. stat. sigmas: -0.75
1.40  0.01780 - 0.01747 = -0.00033 +/- 0.00209  -> uncorr. stat. sigmas: -0.16
1.45  0.01780 - 0.01689 = -0.00091 +/- 0.00172  -> uncorr. stat. sigmas: -0.53
1.50  0.01780 - 0.01884 = +0.00104 +/- 0.00121  -> uncorr. stat. sigmas: +0.86
1.55  0.01780 - 0.01780 = +0.00000 +/- 0.00025  -> uncorr. stat. sigmas: +0.00
1.60  0.01780 - 0.01720 = -0.00060 +/- 0.00109  -> uncorr. stat. sigmas: -0.55
1.65  0.01780 - 0.01866 = +0.00086 +/- 0.00172  -> uncorr. stat. sigmas: +0.50
1.70  0.01780 - 0.01966 = +0.00186 +/- 0.00225  -> uncorr. stat. sigmas: +0.83
1.75  0.01780 - 0.01895 = +0.00115 +/- 0.00294  -> uncorr. stat. sigmas: +0.39
1.80  0.01780 - 0.01814 = +0.00034 +/- 0.00373  -> uncorr. stat. sigmas: +0.09
===============================================================================

In the case of B0 we observe a large step going from 1.55 -> 1.50. All
B are only affected when going from 1.55 -> 1.30.


Cheers,
--U.



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