A Unitary Isobar Model for Pion Photo- and Electroproduction on the Nucleon
D. Drechsel
,
S.S. Kamalov
,
L. Tiator
Nucl. Phys. A645 (1999) 145-174
Electromagnetic Multipoles
(E
l±
, M
l±
, L
l±
, S
l±
)
Amplitudes
(F
1
,...,F
6
, H
1
,...,H
6
, A
1
,...,A
6
)
Polarized Response Functions
(R
T
, R
L
, R
LT
, R
TT
, R
LT'
, R
TT'
)
Differential Cross Sections
(d
s
T
, d
s
L
, d
s
LT
, d
s
TT
, ...)
5-fold Diff. Cross Section
(d
5
s, G,
d
s
v
= d
s
T
+
e
d
s
L
+
e
d
s
TT
cos 2
f
+ ...)
Total Cross Sections
(
s
T
,
s
L
,
s
LT'
,
s
TT'
, ...)
Transverse Polarization Observables
(d
s
/d
W
, T,
S
, P, E, F, G, H, ...)
Target Polarization
(P
x
, P
y
, P
z
)
Recoil Polarization
(P
x
, P
y
, P
z
)
Sum Rules
(I
GDH
,
g
0
, I
BC
, I
1
, I
2
, ...)
External services:
MAID Homepage
MAID2007
DMT2001
KAON-MAID
ETA-MAID2000
ETA-MAID2003
ETA'-MAID
A1 kinematics calculator for electroproduction (Java script)
SAID Partial-Wave Analyses
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For comments and/or suggestions contact:
tiator@kph.uni-mainz.de
