Loading…
D^+ \rightarrow K_s^0 \pi ^+ \eta $$ reaction and $$a_0(980)
We study the $$D^+ \rightarrow {\bar{K}}^0 \pi ^+ \eta $$ D + → K ¯ 0 π + η reaction where the $$a_0(980)$$ a 0 ( 980 ) excitation plays a dominant role. We consider mechanisms of external and internal emission at the quark level, hadronize the $$q {\bar{q}}$$ q q ¯ components into two mesons and al...
Saved in:
| Published in: | The European physical journal. C, Particles and fields Particles and fields, 2024-05, Vol.84 (5), Article 469 |
|---|---|
| Main Authors: | , , , |
| Format: | Article |
| Language: | English |
| Citations: | Items that this one cites |
| Online Access: | Get full text |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| Summary: | We study the
$$D^+ \rightarrow {\bar{K}}^0 \pi ^+ \eta $$
D
+
→
K
¯
0
π
+
η
reaction where the
$$a_0(980)$$
a
0
(
980
)
excitation plays a dominant role. We consider mechanisms of external and internal emission at the quark level, hadronize the
$$q {\bar{q}}$$
q
q
¯
components into two mesons and allow these mesons to undergo final state interaction where the
$$a_0(980)$$
a
0
(
980
)
state is generated. While the
$$a_0(980)$$
a
0
(
980
)
production is the dominant term, we also find other terms in the reaction that interfere with this production mode and, through interference with it, lead to a shape of the
$$a_0(980)$$
a
0
(
980
)
significantly different from the one observed in other experiments, with an apparently much larger width. |
|---|---|
| ISSN: | 1434-6052 1434-6052 |
| DOI: | 10.1140/epjc/s10052-024-12844-0 |