Analysis Status of „Modification of the interaction in nuclear matter“
Ralf GregorII.Physikalisches Institut Giessen
motivation results of last experiment
analysis status outlook
motivation
V. Bernard et al. PRL 59 (1987) 966
0
1mm 0
00, +-
P. Schuck et al., nucl-th/0002031
R. Rapp et al., PRC 59 (1999) 1237
T. Hatsuda et al., PRL 82 (1999) 2840
TAPS@MAMI
difference between 00 and 0+/-
higher statistic needed
J. Messchendorp et al.,PRL 89 (2002) 222302
analysis status
different 00 bins with fits
carbon data
-> invariant mass distribution of the 00 channel
analysis status
different 00 bins with fits
calcium data
-> invariant mass distribution of the 00 channel
different 00 bins with fits
lead data
-> invariant mass distribution of the 00 channel
analysis status
different 0+/- bins with fits
carbon data
-> invariant mass distribution of the 0+/-
channel
analysis status
different 0+/- bins with fits
calcium data
-> invariant mass distribution of the 0+/-
channel
analysis status
different 0+/- bins with fits
lead data
-> invariant mass distribution of the 0+/-
channel
analysis status
analysis status
E = 400-460 MeV
lead-carbon-ratio
lead
/car
bon
(a.u
.)
M() (MeV)
M() (MeV)
00
0+/-
outlook
O.Buss(BUU-model,Giessen theory group)
outlook
-Error bars-Efficiency correction-Comparison with theory