B → J / ψ K ( 1270 ) and B → J / ψ K ( 1400 ) Decays in QCD Factorization Approach
The hadronic B → J / ψ K ( 1270 ) and B →...
Saved in:
| Main Authors: | , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Wiley
2012-01-01
|
| Series: | Advances in High Energy Physics |
| Online Access: | http://dx.doi.org/10.1155/2012/494031 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1832556639388958720 |
|---|---|
| author | Mahboobeh Sayahi Hossein Mehraban |
| author_facet | Mahboobeh Sayahi Hossein Mehraban |
| author_sort | Mahboobeh Sayahi |
| collection | DOAJ |
| description | The hadronic
B
→
J
/
ψ
K
(
1270
)
and
B
→
J
/
ψ
K
(
1400
)
has been analyzed in “QCD factorization” approach and generalized factorization. The effective coefficients
a
i
h
have been calculated for three helicity states
h
=
0
,
+
,
−
which give three different contribution of amplitudes. We consider that J/ψ behaves as a light meson in compared to
B
meson. For
B
+
→
J
/
ψ
K
+
(
1270
)
and
B
+
→
J
/
ψ
K
+
(
1400
)
, experimental data of branching ratios are (1.8 ± 0.5) × 10−3 and <5 × 10−4, respectively. Our best obtained results are (1.79 ± 0.01) × 10−3 at θ = 58° and (1.42 ± 0.01) × 10−3 at θ = 32° for
B
+
→
J
/
ψ
K
+
(
1270
)
decay. And we have 4.27 × 10−4 at θ = 58° and 3.45 × 10−4 at θ = 32° for
B
+
→
J
/
ψ
K
+
(
1400
)
, which are in agreement with experiment. |
| format | Article |
| id | doaj-art-ddd98b575fcf4b2e9f286416049796f8 |
| institution | Kabale University |
| issn | 1687-7357 1687-7365 |
| language | English |
| publishDate | 2012-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in High Energy Physics |
| spelling | doaj-art-ddd98b575fcf4b2e9f286416049796f82025-02-03T05:44:54ZengWileyAdvances in High Energy Physics1687-73571687-73652012-01-01201210.1155/2012/494031494031B → J / ψ K ( 1270 ) and B → J / ψ K ( 1400 ) Decays in QCD Factorization ApproachMahboobeh Sayahi0Hossein Mehraban1Physics Department, Semnan University, P.O. Box 35195-363, Semnan 35351, IranPhysics Department, Semnan University, P.O. Box 35195-363, Semnan 35351, IranThe hadronic B → J / ψ K ( 1270 ) and B → J / ψ K ( 1400 ) has been analyzed in “QCD factorization” approach and generalized factorization. The effective coefficients a i h have been calculated for three helicity states h = 0 , + , − which give three different contribution of amplitudes. We consider that J/ψ behaves as a light meson in compared to B meson. For B + → J / ψ K + ( 1270 ) and B + → J / ψ K + ( 1400 ) , experimental data of branching ratios are (1.8 ± 0.5) × 10−3 and <5 × 10−4, respectively. Our best obtained results are (1.79 ± 0.01) × 10−3 at θ = 58° and (1.42 ± 0.01) × 10−3 at θ = 32° for B + → J / ψ K + ( 1270 ) decay. And we have 4.27 × 10−4 at θ = 58° and 3.45 × 10−4 at θ = 32° for B + → J / ψ K + ( 1400 ) , which are in agreement with experiment.http://dx.doi.org/10.1155/2012/494031 |
| spellingShingle | Mahboobeh Sayahi Hossein Mehraban B → J / ψ K ( 1270 ) and B → J / ψ K ( 1400 ) Decays in QCD Factorization Approach Advances in High Energy Physics |
| title | B
→
J
/
ψ
K
(
1270
)
and
B
→
J
/
ψ
K
(
1400
)
Decays in QCD Factorization Approach |
| title_full | B
→
J
/
ψ
K
(
1270
)
and
B
→
J
/
ψ
K
(
1400
)
Decays in QCD Factorization Approach |
| title_fullStr | B
→
J
/
ψ
K
(
1270
)
and
B
→
J
/
ψ
K
(
1400
)
Decays in QCD Factorization Approach |
| title_full_unstemmed | B
→
J
/
ψ
K
(
1270
)
and
B
→
J
/
ψ
K
(
1400
)
Decays in QCD Factorization Approach |
| title_short | B
→
J
/
ψ
K
(
1270
)
and
B
→
J
/
ψ
K
(
1400
)
Decays in QCD Factorization Approach |
| title_sort | b j ψ k 1270 and b j ψ k 1400 decays in qcd factorization approach |
| url | http://dx.doi.org/10.1155/2012/494031 |
| work_keys_str_mv | AT mahboobehsayahi bjpsk1270andbjpsk1400decaysinqcdfactorizationapproach AT hosseinmehraban bjpsk1270andbjpsk1400decaysinqcdfactorizationapproach |