Difference: MassFitting (6 vs. 7)

Revision 72010-09-21 - LarsEklund

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META TOPICPARENT	name="WebHome"

G-Fact Mass Fitting

Validation of signal fraction fitter (Lars)

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	True S.F.	Initial value	Mean [%]	Sigma [%]	Pull mean	Pull sigma
Bd->π+π-	56.1	55	56.12	0.19	0.11+/-0.03	1.00+/-0.02
Bd->K+π-	5.665	5	5.657	0.084	-0.12+/-0.03	1.03+/-0.02
Bd->K-π+	4.635	5	4.619	0.078	-0.21+/-0.03	0.99+/-0.02
Combinatoric	33.6	35	33.60

Event mix: Bd -> π π, Bd -> K π, Bs -> K K

Changed:

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Directory: Mix_bd2pipiKpiNBs2KK/ , 940 data sets, 100k events each

	True S.F.	Initial value	Mean [%]	Sigma [%]	Pull mean	Pull sigma
Bd->π+π-	24	20	23.99	0.18	-0.04+/-0.03	1.01+/-0.03
Bd->K+π-	11	10	10.98	0.11	-0.16+/-0.03	1.01+/-0.02
Bd->K-π+	9	10	8.98	0.11	-0.21+/-0.04	1.05+/-0.03
Bd->K+K-	21	25	21.04	0.14	0.27+/-0.03	1.00+/-0.03
Combinatoric	35	35	35.02

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Directory: Mix_Bd2pipiKpiNBs2KK/ , 940 data sets, 100k events each

	True S.F.	Initial value	Mean [%]	Sigma [%]	Pull mean	Pull sigma
Bd->π+π-	24	20	23.99	0.18	-0.04+/-0.03	1.01+/-0.03
Bd->K+π-	11	10	10.98	0.11	-0.16+/-0.03	1.01+/-0.02
Bd->K-π+	9	10	8.98	0.11	-0.21+/-0.04	1.05+/-0.03
Bs->K+K-	21	25	21.04	0.14	0.27+/-0.03	1.00+/-0.03
Combinatoric	35	35	35.02

Event mix: Bd -> π π, Bd -> K π, Bs -> K K, Bs -> K π

Directory: Mix_BdNBs2pipiKpiKK/ , 860 data sets, 100k events each

	True S.F.	Initial value	Mean [%]	Sigma [%]	Pull mean	Pull sigma
Bd->π+π-	20	23	19.98	0.17	-0.12+/-0.03	0.98+/-0.03
Bd->K+π-	13.75	12	13.75	0.14	-0.01+/-0.03	0.99+/-0.02
Bd->K-π+	11.25	12	11.24	0.13	-0.08+/-0.03	0.97+/-0.03
Bd->K+K-	15	12	15.03	0.14	0.21+/-0.03	0.99+/-0.03
Bd->K+π-	5.56	5	5.56	0.10	0.01+/-0.04	1.02+/-0.03
Bd->K-π+	2.44	5	2.43	0.07	-0.11+/-0.03	0.98+/-0.03
Combinatoric	32	35	35.02

Paul's study with the signal fraction fitting

Just start typing here paul....This is a link.

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Added:

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