# Difference: ConstraintCos2b (1 vs. 4)

Revision 4
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## Constraint from

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There are two ways to access the value of , which allows to remove the ambiguity in between and that comes from the measurement of :
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There are two ways to access the value of , which allows one to remove the ambiguity between and that comes from the measurement of :

• From the time dependent analysis of the decay it is possible to extract the values of both and using the angular analysis of the Vector-Vector final state.
• Using the same Dalitz approach of the DK measurement of , it is possible to measure from decays (up to a ambiguity) from the interference of the and decay amplitudes, as suggested in hep-ph/0503174.
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The experimental values we use are summarized in the Table of Inputs. The representation of this constraint in the plane is given below.

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• Set plot = Cos2bRhoEta?
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EPS - PDF - PNG - JPG - GIF
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EPS - PDF - PNG - JPG - GIF

Revision 3
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## Constraint from

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[EPS format]   [JPG format]
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Set plot = Cos2bRhoEta?

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EPS - PDF - PNG - JPG - GIF

Revision 2
04 Apr 2010 - Main.VincenzoVagnoni
Line: 1 to 1
Changed:
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-- VincenzoVagnoni - 01 Apr 2010
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## Constraint from

There are two ways to access the value of , which allows to remove the ambiguity in between and that comes from the measurement of :
• From the time dependent analysis of the decay it is possible to extract the values of both and using the angular analysis of the Vector-Vector final state.
• Using the same Dalitz approach of the DK measurement of , it is possible to measure from decays (up to a ambiguity) from the interference of the and decay amplitudes, as suggested in hep-ph/0503174.

The experimental values we use are summarized in the Table of Inputs. The representation of this constraint in the plane is given below.

[EPS format]   [JPG format]