The reactions
$\pi\pi \rightarrow \pi\pi$
π
π
→
π
π
and
$\gamma\gamma \rightarrow \pi\pi$
γ
γ
→
π
π
in
$\chi$
χ
PT with an isosinglet scalar resonance
Keyword(s):
2016 ◽
Vol 66
(2)
◽
pp. 219-223
◽
Keyword(s):
1998 ◽
2017 ◽
Vol 32
(02n03)
◽
pp. 1750011
1994 ◽
Vol 09
(22)
◽
pp. 2075-2081
◽
Keyword(s):
2013 ◽
Vol 718
(3)
◽
pp. 943-945
◽
Keyword(s):
1986 ◽
Vol 31
(2)
◽
pp. 229-235
Keyword(s):
2017 ◽
Vol 32
(35)
◽
pp. 1747001
◽