parameters/eta_param-2005-landi/README.txt

This parameters have been obtained from 2005 data. 
The definitions of eta2, eta3 and eta4 have been modified according to the
discussion with Prof. Landi.
In particular:
- the baricenter with 2,3 or 4 strips is calculated even if not all the strip
are over threshold
- the correction function for eta4 is defined in the range -0.5:0.5 
and not -1:1 as it was before.

For the moment the multiplicity selection is kept.
The next improved parameters sets should have:
- no multiplicity cut (eventually replaced with a cut on the cluster charge)
- defined as a function of the effective angle (corrected for the magnetic
field)
- implemented the systematic shift due to charge distribution asimmetry
1	This parameters have been obtained from 2005 data.
2	The definitions of eta2, eta3 and eta4 have been modified according to the
3	discussion with Prof. Landi.
4	In particular:
5	- the baricenter with 2,3 or 4 strips is calculated even if not all the strip
6	are over threshold
7	- the correction function for eta4 is defined in the range -0.5:0.5
8	and not -1:1 as it was before.
9
10	For the moment the multiplicity selection is kept.
11	The next improved parameters sets should have:
12	- no multiplicity cut (eventually replaced with a cut on the cluster charge)
13	- defined as a function of the effective angle (corrected for the magnetic
14	field)
15	- implemented the systematic shift due to charge distribution asimmetry