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Gluonic penguin decays of B mesons with belle
Proceedings of ICHEP 2002, pp. 602–606 S. Bentvelsen, P. de Jong, J. Koch and E. Laenen (Editors)
ELSEVIER
31st INTERNATIONAL CONFERENCE ON HIGH ENERGY PHYSICS AMSTERDAM
! !"
¼
#" " " $
¼
¼
#% %& " # # ¼ " £ "Æ% % % '( ) " #
#" "" *" + *, "- # ¼ £ ¼ + , " + £ , " . "" +/, #% # " % %" # 0%" 1 % # #" " " 2+ , 3 " '4) 53 '6) " % " 78 " / 9 : . " ; 0%"
; 0% % #" +<, "$ #" ; " = + > , + , " ; " # %# " " ; + , %" % " " ¼ %" # ¼ " " £ " # " " £
%" % " #
c 2003 Elsevier Science B.V. All rights reserved. doi:10.1016/S0920-5632(02)02190-4
49: " 89: "" "$" # , # " + = " "- +? = , = 478 @A # # " " % %% B; . " '9) += , %" C # " Æ " " # #" ; " = + > , + , #" ; " +#; %", " #" # &"" %#" &% ; " $ # " ? ## " % + , #" *
+* , $ % # % " 7 B ¼ " £ " "% Æ " $ % % % " ; " $" " #; %" %
% < % %"" &% #" " 3 " ¼ $ % $" # % %
¾
Gluonic penguin decays of B mesons with Belle
603
! "" # #$ "%$& ( "%$ ! (" ! #! ¼
'#
¼ £ #$ % &$ % %& ¼ £
"$ )(# * % "( & )( * %# ¼
( % " % %
£
%$" !# $ &# ' '$ " & & "%'" & & "" & ( "' ( £ "'$
" % $ % (% ' " % % %'$ )$" * % '! ' ( "%$
* % $ $ " !% ( #" )$& ¼
¦ ¦ ¦ + , - , !!# .#/0 , 1 - .!/ - ,, " ./ , % 2 -1 0 - - "!( , 3 - 4 % - 0 - % 3 , 3% 5 , -
, , 0 $ 60 - - & ) 7 $( 6 * - -
- - 1 - & 6 % 8 - 4 &$ 6 9 3 , 3 - - ¦ % -
: - & 6 "& 6 : , - % 3 9 3% ; 0 % 0 - 3 % £0 0 %
- - <1 % , "
3 - - = % = 3 : >?; - % @ " : , % A 1 - ; &
Æ - , 30 0 , % Æ% - B + 1 3 % : - CD? 4 % - + = , , %
604
K.-F. Chen
KS η’(ηππ)
15 10 5 0
Mbc (GeV/c2)
Mbc (GeV/c2)
50
30
KS η’(ργ) KS η’(ηππ)
20
10
0
-0.2
-0.1
0
0.1
∆E (GeV)
0.2
0
-0.1
0
0.1
! "
#$ # " % &'(') * +, ,- - .
/ 012 3 4 . $5
5
0.2
∆E (GeV)
10
0 -0.2
¼ ¼
¼
15 10 5 0
5.2 5.225 5.25 5.275 5.3 Mbc (GeV/c2)
15 Events / 20 MeV
K+ η’(ηππ)
Events / 20 MeV
Events / 20 MeV
K+ η’(ργ)
5.2 5.225 5.25 5.275 5.3 Mbc (GeV/c2)
20
15
40
100
Events / 2.5 MeV/c2
+
K η’(ηππ)
KS η’(ργ)
Events / 20 MeV
K+ η’(ργ)
Events / 2.5 MeV/c2
Events / 2 MeV
Events / 2 MeV
-0.2
0 ∆E (GeV)
0.2
10
5
0
-0.2
0 ∆E (GeV)
0.2
6 "
- $5 ( ¼ .. $5 3 " " " 7 -. $5 ' 8
" " " / " 8 / / 7 /
7 9 9 /
Gluonic penguin decays of B mesons with Belle
605
Æ
! $% $ &
B±→ωK±
BELLE
6
" #
& ''
&' %%
"$
"$ # $ ' )
#
(
*
ωmass
10
Events / 20 MeV
Entries / 20 MeV
Entries / 20 MeV
BELLE
8
6
8
(b)
(a) 6
4 4
4 2
2
2
-0.2
-0.1
0
0.1
0.2
0.3
B±→ωπ±
BELLE
7.5
0 5.2
5.22
5.24
5.26
5.28
0 0.7
5.3
0.78
10
BELLE
8
6
0.85
ω mass (GeV)
Mb (GeV) Entries / 20 MeV
Entries / 20 MeV
∆E (GeV)
Events / 20 MeV
0 -0.3
coshel
15
(c)
B→ωK
10
(d)
5
B→ωπ
4 5
2.5 2
0 -0.3
-0.2
-0.1
0
∆E (GeV)
0.1
0.2
0.3
0 5.2
0
5.22
5.24
5.26
5.28
5.3
-0.2
+ ' , -
, . / 01+ , 2 . . 3 . 4( 01+ . 5 ' , ( - . + ) & 4 ( . ( 6 Æ
5 . ( .
0.0
0.2
kid vs ∆E
dE (GeV)
Mb (GeV)
+ "# ( "# "# , . (
781 "# 9 781 , (
$ : :; 2 7; 3(1 < ; 0 1 ; "$*# !(= 3; =(! 3 9 ; 7( 3 !; 0 1 ; $ "$#> =( ! 3 73 !; 0 1 ; ) " # ' ? 7 :8 ; 0 < 9 ; " #
606
K.-F. Chen
90 80
$!
35 30
70
25
60
20
25
30
10
10
0
0.1
DE distr
90
0.2
0 -0.3
0.3
∆E [GeV]
-0.2
-0.1
0
0.1
0.2
∆E [GeV]
25
70
20
17.5
60
0 -0.3
0.3
22.5
80
8 6 4
5
events
-0.1
events
-0.2
16
12
10
5
10
18
14
2 -0.2
-0.1
0
0.1
0.2
∆E [GeV]
30
0 -0.3
0.3
25 20
events
40 20
events
30
15 15
-0.2
-0.1
0
0.1
0.2
0.3
∆E [GeV] 14 12 10
15
50
12.5
40
8
15
10
30
6 10
7.5
20
5
10
2.5
0 5.2
20
50
0 -0.3
$ !
events
events
events
100
!
events
# ! "#
# ! ! $ $ " " #
5.22
5.24
5.26
MB distr
5.28
5.3
Mb [GeV]
0 5.2
4 5 5.22
5.24
5.26
5.28
5.3
Mb [GeV]
% & ' ( ) ( & & *
# +,- ./ 0, . 1,2 / 3& 4 5 / """6 0, . 1,2 / 3& 4 7 / # $ 8 2 / 9 9 & / : ; & $ $ ! 1<18 8 % 7 ( / 1<1 , ( ", / ""/ ( & 9 % &/ 9 < / / " "! 25<= 2 / 8 / 3& 4 5 / $ $ "" " 25<= 2 / 23 > ( / 3& 4 5 / $ $ 88 2 / 8 9 / 3&
0 5.2
2 5.22
5.24
5.26
5.28
5.3
0 5.2
5.22
Mb [GeV]
5.24
5.26
5.28
5.3
Mb [GeV]
% ! & ' ( ) ( & & * 4 5 / $$ $ $
ELSEVIER
31st INTERNATIONAL CONFERENCE ON HIGH ENERGY PHYSICS AMSTERDAM
! !"
¼
#" " " $
¼
¼
#% %& " # # ¼ " £ "Æ% % % '( ) " #
#" "" *" + *, "- # ¼ £ ¼ + , " + £ , " . "" +/, #% # " % %" # 0%" 1 % # #" " " 2+ , 3 " '4) 53 '6) " % " 78 " / 9 : . " ; 0%"
; 0% % #" +<, "$ #" ; " = + > , + , " ; " # %# " " ; + , %" % " " ¼ %" # ¼ " " £ " # " " £
%" % " #
c 2003 Elsevier Science B.V. All rights reserved. doi:10.1016/S0920-5632(02)02190-4
49: " 89: "" "$" # , # " + = " "- +? = , = 478 @A # # " " % %% B; . " '9) += , %" C # " Æ " " # #" ; " = + > , + , #" ; " +#; %", " #" # &"" %#" &% ; " $ # " ? ## " % + , #" *
+* , $ % # % " 7 B ¼ " £ " "% Æ " $ % % % " ; " $" " #; %" %
% < % %"" &% #" " 3 " ¼ $ % $" # % %
¾
Gluonic penguin decays of B mesons with Belle
603
! "" # #$ "%$& ( "%$ ! (" ! #! ¼
'#
¼ £ #$ % &$ % %& ¼ £
"$ )(# * % "( & )( * %# ¼
( % " % %
£
%$" !# $ &# ' '$ " & & "%'" & & "" & ( "' ( £ "'$
" % $ % (% ' " % % %'$ )$" * % '! ' ( "%$
* % $ $ " !% ( #" )$& ¼
¦ ¦ ¦ + , - , !!# .#/0 , 1 - .!/ - ,, " ./ , % 2 -1 0 - - "!( , 3 - 4 % - 0 - % 3 , 3% 5 , -
, , 0 $ 60 - - & ) 7 $( 6 * - -
- - 1 - & 6 % 8 - 4 &$ 6 9 3 , 3 - - ¦ % -
: - & 6 "& 6 : , - % 3 9 3% ; 0 % 0 - 3 % £0 0 %
- - <1 % , "
3 - - = % = 3 : >?; - % @ " : , % A 1 - ; &
Æ - , 30 0 , % Æ% - B + 1 3 % : - CD? 4 % - + = , , %
604
K.-F. Chen
KS η’(ηππ)
15 10 5 0
Mbc (GeV/c2)
Mbc (GeV/c2)
50
30
KS η’(ργ) KS η’(ηππ)
20
10
0
-0.2
-0.1
0
0.1
∆E (GeV)
0.2
0
-0.1
0
0.1
! "
#$ # " % &'(') * +, ,- - .
/ 012 3 4 . $5
5
0.2
∆E (GeV)
10
0 -0.2
¼ ¼
¼
15 10 5 0
5.2 5.225 5.25 5.275 5.3 Mbc (GeV/c2)
15 Events / 20 MeV
K+ η’(ηππ)
Events / 20 MeV
Events / 20 MeV
K+ η’(ργ)
5.2 5.225 5.25 5.275 5.3 Mbc (GeV/c2)
20
15
40
100
Events / 2.5 MeV/c2
+
K η’(ηππ)
KS η’(ργ)
Events / 20 MeV
K+ η’(ργ)
Events / 2.5 MeV/c2
Events / 2 MeV
Events / 2 MeV
-0.2
0 ∆E (GeV)
0.2
10
5
0
-0.2
0 ∆E (GeV)
0.2
6 "
- $5 ( ¼ .. $5 3 " " " 7 -. $5 ' 8
" " " / " 8 / / 7 /
7 9 9 /
Gluonic penguin decays of B mesons with Belle
605
Æ
! $% $ &
B±→ωK±
BELLE
6
" #
& ''
&' %%
"$
"$ # $ ' )
#
(
*
ωmass
10
Events / 20 MeV
Entries / 20 MeV
Entries / 20 MeV
BELLE
8
6
8
(b)
(a) 6
4 4
4 2
2
2
-0.2
-0.1
0
0.1
0.2
0.3
B±→ωπ±
BELLE
7.5
0 5.2
5.22
5.24
5.26
5.28
0 0.7
5.3
0.78
10
BELLE
8
6
0.85
ω mass (GeV)
Mb (GeV) Entries / 20 MeV
Entries / 20 MeV
∆E (GeV)
Events / 20 MeV
0 -0.3
coshel
15
(c)
B→ωK
10
(d)
5
B→ωπ
4 5
2.5 2
0 -0.3
-0.2
-0.1
0
∆E (GeV)
0.1
0.2
0.3
0 5.2
0
5.22
5.24
5.26
5.28
5.3
-0.2
+ ' , -
, . / 01+ , 2 . . 3 . 4( 01+ . 5 ' , ( - . + ) & 4 ( . ( 6 Æ
5 . ( .
0.0
0.2
kid vs ∆E
dE (GeV)
Mb (GeV)
+ "# ( "# "# , . (
781 "# 9 781 , (
$ : :; 2 7; 3(1 < ; 0 1 ; "$*# !(= 3; =(! 3 9 ; 7( 3 !; 0 1 ; $ "$#> =( ! 3 73 !; 0 1 ; ) " # ' ? 7 :8 ; 0 < 9 ; " #
606
K.-F. Chen
90 80
$!
35 30
70
25
60
20
25
30
10
10
0
0.1
DE distr
90
0.2
0 -0.3
0.3
∆E [GeV]
-0.2
-0.1
0
0.1
0.2
∆E [GeV]
25
70
20
17.5
60
0 -0.3
0.3
22.5
80
8 6 4
5
events
-0.1
events
-0.2
16
12
10
5
10
18
14
2 -0.2
-0.1
0
0.1
0.2
∆E [GeV]
30
0 -0.3
0.3
25 20
events
40 20
events
30
15 15
-0.2
-0.1
0
0.1
0.2
0.3
∆E [GeV] 14 12 10
15
50
12.5
40
8
15
10
30
6 10
7.5
20
5
10
2.5
0 5.2
20
50
0 -0.3
$ !
events
events
events
100
!
events
# ! "#
# ! ! $ $ " " #
5.22
5.24
5.26
MB distr
5.28
5.3
Mb [GeV]
0 5.2
4 5 5.22
5.24
5.26
5.28
5.3
Mb [GeV]
% & ' ( ) ( & & *
# +,- ./ 0, . 1,2 / 3& 4 5 / """6 0, . 1,2 / 3& 4 7 / # $ 8 2 / 9 9 & / : ; & $ $ ! 1<18 8 % 7 ( / 1<1 , ( ", / ""/ ( & 9 % &/ 9 < / / " "! 25<= 2 / 8 / 3& 4 5 / $ $ "" " 25<= 2 / 23 > ( / 3& 4 5 / $ $ 88 2 / 8 9 / 3&
0 5.2
2 5.22
5.24
5.26
5.28
5.3
0 5.2
5.22
Mb [GeV]
5.24
5.26
5.28
5.3
Mb [GeV]
% ! & ' ( ) ( & & * 4 5 / $$ $ $