G0 - Beam Energy data analysis

My raw data: Datas2.xls (10/3/2008)

The analysis results (using the Nilangas fitting formula): Report6.pdf (10/3/2008)

The appendix to the Report6.pdf: Mail_for_Doug2.pdf (10/3/2008)

The collimator size problem :

1.) 2.) 3.) 4.)

A potential problem with the use of the Nilangas formula

5.)

Cuts on the scettering angle and direct Gaussian fits :

6.) Hydrogen :
7.) Deuterium :
8.) Carbon :
9.) Tantalum :

New results (HRSL):

a.) th = 24.0 deg : E0 = 360.482 MeV ........ Ec = 353.98 MeV

b.) th = 24.0 deg : E0 = 360.352 MeV ........ Ec = 353.98 MeV

c.) th = 28.3 deg : E0 = 360.347 MeV ........ Ec = 351.89 MeV

d.) th = 28.3 deg : E0 = 360.591 MeV ........ Ec = 351.89 MeV

e.) th = 32.5 deg : E0 = 360.543 MeV ........ Ec = 349.45 MeV

f.) th = 16.0 deg : E0 = 360.431 MeV ........ Ec = 353.98 MeV

10.) 11.)

The mean beam energy (HRSL data only):

E0 = ( 360.46 \pm 0.10 ) MeV

New results (HRSR):

g.) th = 28.3 deg : E0 = 360.610 MeV ........ Ec = 350.76 MeV

h.) th = 20.0 deg : E0 = 360.462 MeV ........ Ec = 350.76 MeV

i.) th = 14.0 deg : E0 = 360.446 MeV ........ Ec = 350.76 MeV

j.) th = 16.0 deg : E0 = 360.468 MeV ........ Ec = 350.76 MeV

12.) 13.)

The mean beam energy (HRSR data only):

E0 = ( 360.496 \pm 0.076 ) MeV

The Tiefenbach :

14.)

The mean Tiefenbach energy :

E0 = ( 360.902 \pm 0.169 ) MeV