Transcript
Page 1: Analysis Status of „Modification of the  p p  interaction in nuclear matter“

Analysis Status of „Modification of the interaction in nuclear matter“

Ralf GregorII.Physikalisches Institut Giessen

motivation results of last experiment

analysis status outlook

Page 2: Analysis Status of „Modification of the  p p  interaction in nuclear matter“

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

Page 3: Analysis Status of „Modification of the  p p  interaction in nuclear matter“

TAPS@MAMI

difference between 00 and 0+/-

higher statistic needed

J. Messchendorp et al.,PRL 89 (2002) 222302

Page 4: Analysis Status of „Modification of the  p p  interaction in nuclear matter“

analysis status

different 00 bins with fits

carbon data

-> invariant mass distribution of the 00 channel

Page 5: Analysis Status of „Modification of the  p p  interaction in nuclear matter“

analysis status

different 00 bins with fits

calcium data

-> invariant mass distribution of the 00 channel

Page 6: Analysis Status of „Modification of the  p p  interaction in nuclear matter“

different 00 bins with fits

lead data

-> invariant mass distribution of the 00 channel

analysis status

Page 7: Analysis Status of „Modification of the  p p  interaction in nuclear matter“

different 0+/- bins with fits

carbon data

-> invariant mass distribution of the 0+/-

channel

analysis status

Page 8: Analysis Status of „Modification of the  p p  interaction in nuclear matter“

different 0+/- bins with fits

calcium data

-> invariant mass distribution of the 0+/-

channel

analysis status

Page 9: Analysis Status of „Modification of the  p p  interaction in nuclear matter“

different 0+/- bins with fits

lead data

-> invariant mass distribution of the 0+/-

channel

analysis status

Page 10: Analysis Status of „Modification of the  p p  interaction in nuclear matter“

analysis status

E = 400-460 MeV

lead-carbon-ratio

lead

/car

bon

(a.u

.)

M() (MeV)

M() (MeV)

00

0+/-

Page 11: Analysis Status of „Modification of the  p p  interaction in nuclear matter“

outlook

O.Buss(BUU-model,Giessen theory group)

Page 12: Analysis Status of „Modification of the  p p  interaction in nuclear matter“

outlook

-Error bars-Efficiency correction-Comparison with theory


Recommended