search for tev scale physics in heavy flavour decays
DESCRIPTION
Search for TeV Scale Physics in Heavy Flavour Decays. July 28, SUSY 2007 @ Karlsruhe. Child Eating Giant (LHC/ILC?). the (un) Heavenly Things. e. v. v. Higgs Castle. c l o u d s. http://pbjc-lib.state.ar.us/mural.htm. Down to Earth. Flavour/TeV ≅ Loops. Outline. - PowerPoint PPT PresentationTRANSCRIPT
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 1
Search for TeV Scale Physicsin
Heavy Flavour Decays
July 28, SUSY 2007 @ Karlsruhe
Down to Earth
the (un)Heavenly Things
v.
e. v.
HiggsCastle
c l o u d sc l o u d s
ChildEatingGiant
(LHC/ILC?)
http://pbjc-lib.state.ar.us/mural.htm
Flavour/TeV ≅ Loops
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 3
Outline
0 “Forward to the Past” as Intro — What if ? sin 2Bd ca. 2000; mBd, top and Vtd
I CPV in b s w/ Boxes and PenguinsSS ; AA K; sin 2Bs; AA CPCP(B+ J/K+)
II H Probe: b s ; B (D(*))
III Electroweak Penguin: AFB (B K* ℓ ℓ) ; B K(*)
IV RH Currents and Scalar InteractionsTCPV in B X ; Bs
V D/K: Box and EWP Redux — D mixing ; Rare K
VI : LFV and (BL)V ℓ , ℓ ℓ ℓ ’ ; , p
VII Conclusion
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 4
Strategy and Apologies
• Pertinent to BSM • Physics (vs Expt’l detail — not always most up-to-date)
[3 TH talks to follow
• Short-term impact
• “Traditional” on BSM topics
• Cannot cite all TH work, but unabashedly promote own pheno work
and not too tricky ...
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 5
0. “Forward to the Past” as Intro
SuperPowered Theorists ?or
Wormhole to the Future?
Search for Future Influence from L.H.CAuthors: Holger B. Nielsen, Masao Ninomiya(Submitted on 13 Jul 2007)
Wormhole from/to the Future?
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 6
R. Cahn -- SSI-2006
sin 2 history (1999-2005)
Dis
cove
ry c
laim
edWhatIf ?
arg V td
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 7
Babar Physics Book
What What if if argV td ~ 0??Would have heard more about it.
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 8
mBd, tt op and Vtd
tt
tt op, a v.e.v. scale quark, “discovered” 20 years ago (ARGUS)
NondecouplingNondecoupling — — tt ~ 1 1
CPV Phasearg V td
“Higgs Affinity”
LoopsLoops
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 9
b d transitions consistent with SM
What about b s transitions ?
β
0 ***tbtdcbcdubud VVVVVV
OurMain Theme
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 10
I. CPV in b s w/ Boxes and Penguins
The Current Frontier
Echoes
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 11
One B Decay Tag Flavor
Other B Decay CP Eigenstate
Measure Both Decay Vertex
J/KS, ’KSKS KS 2001 !
Belle
B decays in ~ picosecond
The $1B Question: Mixing-dep. CPV in B → J/KS
z t
B0 or B0
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 12
The Two B Factories
Belle
Mt. Tsukuba
BaBar
PEP-II KEKB
Differ only in PIDDIRC vs Aerogel Cherenkov + ToF
Tag Flavor
KEKB / Belle
PEP-II / BaBar
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 13
One B Decay Tag Flavor
Other B Decay CP Eigenstate
Measure Both Decay Vertex
J/KS, ’KSKS KS 2001 !
Belle
B decays in ~ picosecond
The $1B Question: Mixing-dep. CPV in B → J/KS
z t
B0 or B0
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 14
Possible SUSYSUSYFCNC/CPV Loop
Can Break Equality
Real ~ J/KS (Tree)
SKS = sin 21
SM (KM) Prediction
b s Penguins (Vertex Loops)
*tsVtbV
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 15
Smaller than bccs in almost all modes
Smaller than bccs in almost all modes
Naïve average of all b s modes
sin2eff = 0.56 ± 0.052.12.1 deviation (was 2.6) btwn
b sqq and b ccs
Naïve average of all b s modes
sin2eff = 0.56 ± 0.052.12.1 deviation (was 2.6) btwn
b sqq and b ccs
Theory Expect sin 21
> sin 21
s-penguin
cc(bar)s
New Physics !?
Need More Data !
SS = Ssqq Sccs < 0 “ Problem”
Probably Need Super B Factory to Resolve !
Even deviation of ~ few Even deviation of ~ few deg indicate NPdeg indicate NP Sinha, Misra, WSH, PRL 97, 131802 (2006)
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 16
One B Decay Tag Flavor
Other B Decay CP Eigenstate
Measure Both Decay Vertex
J/KS, ’KSKS KS 2001 !
Belle
B decays in ~ picosecond
The $1B Question: Mixing-dep. CPV in B → J/KS
z t
B0 or B0
Lack of Vertexin LHCb
FPCP07, 15 May
P. Chang Rare Hadronic B Decays
Acp on B → KBelle KB
Acp = 0.107±0.018 0.093±0.018±0.008 0.086±0.023±0.009
World Average including CLEO: Acp(K+) = 0.097±0.012 Acp(K+±
A(K) = 0.144 ± 0.029 @5
Need to explain the deviation. Hadronic effect or new physics? A(K) = 0.12±0.11; S(K) = +0.33±0.21 Super B factory!
6
A KProblem
Direct CPV established in B system (2004) !
Experiment is Firm
0707.2798 [hep-ex]ACP(K+
±±strengthen conclusion
0707.2980 [hep-ex] A(K0±±S(K0±±
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 18
_d
d
Ku u
Bsb
Large C ?
Large EWPenguin ?
Suppress Tree CPV Phase
Need NP CPV Phase
∵ PEW and T
≈ same strong phasein SM
t, ??
?
A K ~ 0 expected
Why A K = AK+ AK+ > 0 a Puzzle ? 9.71.2 % 4.72.6 %
C/T > 1 needed ! Baek, London, hep-ph/0701181
Neubert, Rosner, PRL’98
EWP not so easy for SUSY
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 19
• Sf in b sqq
• AK+- AK+0 Puzzle
Two Hints TCPVDCPV
Mixing-dep.
Direct
b b s s CPVCPV Phenomena Is Current NPNP Frontier
In Search of NNew PP
hysics
• mBs• Bs
CPV ?CPV ?sin 2BBss
cos 2BBss
SM-like
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 20
3 fb
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 21
a bit “smallish”, if take nominal fBs
CDF 1 fb-1
0 ***tbtscbcsubus VVVVVV
BBss≡arg V ts
arg V td ⇨ Bd measured
SM Window on BSM
e.g.
~ real
ms = 17.77 0.10 (stat) 0.07 (sys) ps
PRL 97, 242003 (2006)
CPV ?CPV ?
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 22
For pheno digest, see WSH, Mahajan, PRD 75, 077501 (2007)
hep-ex/0702030
PRL 98, 121801 (2007)
Lifetime, but not Oscillations
+ hep-ex/0701012 (ASL)
SM: Lenz, Nierste, hep-ph/0612167
Concerted Effort [ASL advantage — periodical reversal of magnet polarity
cos 2BBss somewhat
a blunt instrument.
cos 2BBss
Parallel talk 31/7 ?
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 23
BBssProspect (short term)
Bs J/ analogous to Bd J/ KS
V V Vertex & Angular Resolved Analysis to disentangle CP components
• CDF/DØ : 8 fb projected
(sin 2BBss) ~ 0.2
(?)/exp similar
• LHCb : 0.5 fb(2008 ?)
(sin 2BBss) ~ 0.04
• ATLAS : 2.5 fb(2008 ?)
(sin 2BBss) ~ 0.16
CMS ?
Nakada @ fLHC 3/07
Par
alle
l tal
ks 3
1/7
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 24
LHC Physics Run Starts 2008
Forward Design
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 25
BBssProspect (short term)
Bs J/ analogous to Bd J/ KS
V V Angular & Vertex Resolved Analysis to disentangle CP components
• CDF/DØ : 8 fb projected
(sin 2BBss) ≃ 0.2
(?)/exp similar
• LHCb : 0.5 fb(2008 ?)
(sin 2BBss) ≃ 0.04
• ATLAS : 2.5 fb(2008 ?)
(sin 2BBss) ≃ 0.16
CMS ?
$$ Tevatron could get lucky
ifif sin 2BBss largelarge New Physics !New Physics !
€ LHCb the winner if ~ SM
sin 2BBs s in SM
Could Tevatron run beyond 2008 ?
But 2009 looks interesting !
Nakada @ fLHC 3/07
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 26
_d
d
Ku uB
sb t, tt’’ ??
• Sf in b sqq
• AK+- AK+0 Puzzle
Two Hints TCPVDCPV
Mixing-dep.
Direct
b b s s CPVCPV Phenomena Is Current NPNP Frontier
In Search of NNew PP
hysics
• mBs• Bs
CPV ?CPV ?
EWPenguin
Boxes
tt’ ’ non decoupled
sin 2BBs s –
Can sin 2BBss be largelarge ?
WSH, Nagashima, Soddu, hep-ph/0610385
in SM4
WSH, Nagashima, Soddu, PRL’05
SM-like
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 27
BBssProspect (short term)
Bs J/ analogous to Bd J/ KS
V V Angular & Vertex Resolved Analysis to disentangle CP components
• CDF/DØ : 8 fb projected
(sin 2BBss) ≃ 0.2
(?)/exp similar
• LHCb : 0.5 fb(2008 ?)
(sin 2BBss) ≃ 0.04
• ATLAS : 2.5 fb(2008 ?)
(sin 2BBss) ≃ 0.16
CMS ?
$$ Tevatron could get lucky
ifif sin 2BBss largelarge New Physics !New Physics !
€ LHCb the winner if ~ SM
sin 2BBs s in SM
Could Tevatron run beyond 2008 ?
But 2009 looks interesting !
Nakada @ fLHC 3/07
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 28
_c
cJ/
Ku u
Bsb t, t’
_d
d
Ku uB
sb t, tt’’ ??
b b s s CPVCPV Phenomena Is Current NPNP Frontier
In Search of NNew PP
hysics
WSH, Nagashima, Soddu, hep-ph/0605080SM4
DCPV inDCPV in BB++ J/ J/ KK++ ? ?
PDG ’06
°
J/K*
lack firm SM prediction
mBs/mD/AJ/K George W.S. Hou (NTU) ICHEP’06, 7/29/06 29
PDG ’06
• AJ/K + is getting serious: careful studies started• Systematics Study becomes future Theme — Needed towards SuperB !!
Better than A and S ?Could be seen by 2008 ?!
Prognosis for AJ/K + Measurement
Sign flip
ICHEP06: AJ/K 0 0.018 0.021 0.014 Belle
0.07 0.028 0.018 BaBar
124M
32M10M
89M
+
flipped
back
7
BaBar/BellePlease Update !
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 30
PDG ’06
°PDG ’07 WSH, Nagashima,
Soddu, hep-ph/0605080
• AJ/K + is getting serious: Tevatron!• Larger Statistics (so just you wait for LHCb)• Better Systematics: Larger Control Sample
AJ/K +: Calibration Mode turns Active
DØnote 5405-CONF 1.6 fb
DDØØ New New
Correct for K± asymm.+0.0139±0.0013±0.0004
mattereffect
±0.0033 @ 8 fb
H+ effect of Wu, SoniPRD’00 Ruled Out
test
(+C
DF)
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 31
II. H Probes
- b s
-B (D(*))
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 32
b b s s ~ ~ B B X Xss
E > 1.9 GeV
E > 1.8 GeV
TH still unfinished, butball in Exp court.
Full Reconstructother B?
ee-- DD**
ee++
BBtagtag
BBsignalsignal
XsXs
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 33
WSH, Willey, PLB 202, 591 (1988); NPB’89
Also Grinstein, Wise, PLB’88
HFAG (exp ave)
Misiak et al. PRL’07 Misiak et al. PRL’07
Constraint from Constraint from b b s s on on HH++
MSSM type H+ always enhancealways enhance b b s s regardless of tan
Current NNLO < ExpNNLO < Exp ! ⇨ bound of 295 GeV ⇨ favor 650 GeVfavor 650 GeV !? !?
Exp
NNL
H+ mimicW
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 34
B B
, PRD48, 2342 (1993)
W the cousin of H+
“Higgs Affinity”
Amazing: Tree level H+ Effect
Trick/Cost:Full ReconstructTag side B @ 0.1~0.3%
Two ’s
BG !!
rrHH
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 35
signal
background
449M hadronic tag
hadronic tag
First evidence, 3.5
evtsevts
PRL97, 251802 (2006).
2.6
hep-ex/0608019 Dℓ tag
no clear signal
320M
MeV 1.005 || ~ubB Vf
0705.1820 [hep-ex]
Dℓ tag
383M
(0.9 0.6 0.1) x 10
~ (1.2 0.4stat 0.3bkg 0.2eff) x10
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 36
Constraint from B Constraint from B on on HH++
exl.
b s
rr HH
tan / mH
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 37
535M
Ns= 60 +1211
5.2 First observationCurious: 2%, now ...
SM~1.4 %
0706.4429 [hep-ex]submitted to PRL
@ EPSHEP07 “Vcb” talk
232M
0707.2758 [hep-ex]
sys. norm.
Ns ~ 105
Ns ~ 65
More TH (SM) needed for BSM interpretation [polarizations]
HH++ sensitivesensitive
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 38
III. Electroweak Penguin
- AFB (B K* ℓ ℓ)- B K(*)
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 39
2 from SM ?229M386M
Ali, Mannel, Morozumi, PLB273, 505 (1991)
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 40
2 from SM ?
Example 2 fb-1 experiment
M2 (GeV2)
LHCb MC, J. Dickens @ CKM06
No Reason a priori why C, C, C should be Real
Hovhannisyan, WSH and Mahajan, hep-ph/0701046
Probe Complexity w/o CPV~ Early LHCb data
SM4
Ali, Mannel, Morozumi, PLB273, 505 (1991)
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 41
0707.0138 [hep-ex]
SM B 20
535M
DAMADAMACDMSCDMS
Probe LoopLi
ght
Dar
k M
atte
r < 3.4 x 10
< 1.4 x 10
< 1.4 x 10
< 1.6 x 10
Still 3x SM Bird et al., PRL 93, 201803 (2004)
Full ReconOther B
submitted
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 42
IV. RH Currents and Scalar Interactions
- TCPV in B X
- Bs
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 43
- -- -
+
TCPV in B0 (KS0)K* : Probe RH Currents
Atwood, Gershon, Hazumi, Soni, PRD71, 076003 (2005)
B0 K*0L
B0 K*0R
M12
R ms/mb suppressed
L ms/mb suppressed
Interference suppressed in SM
Atwood, Gronau, Soni, PRL79, 185 (1997)
535M
232M
± ±
Consistent with zero.Future probe at SuperB
Also, angular probes
FL, AT(2) in B K*ℓℓ
KKS S vertexingvertexing
explore also e.g. B K
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 44
Buchalla, A. Buras, NPB398,285 (1993) Babu, Kolda, PRL84, 228 (2000)
Bs
DØnote 5344-CONF
Winter 07 2 fb
~ 3.5 x 10 in SM
combined
CMSSM
EPS 2007, Manchester, 20.07.2007 Stephan Eisenhardt 45
BBSSsensitivitysensitivity
0.05 fb–1 overtake CDF+D0
0.5 fb–1 exclude BR values down to SM
Limit at 90% C.L. (only bkg is observed)
Integrated Luminosity (fb-1)
Uncertainty in background prediction
Expected final CDF+D0 Limit
BR
(x1
0–9)
SM prediction
LHCb Sensitivity(signal+bkg is observed)
Integrated Luminosity (fb-1)
5
3
BR
(x1
0–9)
SM prediction
2 fb–1 3 evidence of SM signal
10 fb–1 >5 observation of SM signal
1 year
of LHCb
0.5 fb–1 exclude BR values down to SM
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 46
V. D/K: Box and EWP Redux
- D Mixing
- Rare K
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 47
D Mixing:
Assuming no CPV
(x,y)=(0,0) excluded by > 5
ΓΔm x
2ΓΔΓy
0.260.29
0.210.20
.
.
.
.
.
δ
y
x
Combined Results
(no evidence yet)
Observed Recently
Unfortunately, all can arise from y, or , or long distance.Recall mK, however, Comparable BSM allowed
To be unequivocal: CPV
D0 → KK /
D0 → KS Dalitz
D0 → K
384 fb-1 400 fb-1
540 fb-1
Falk et al.PRD’02,’04
To be unequivocal: CPVTo be unequivocal: CPV
'' y x
y x
y
2,
,CP
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 48
P326
??
1010 10101111
E391ACPVCPV
E14
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 49
VI. : LFV and (BL)V
- ℓℓ , ℓ ℓ ℓ ’
- , p, p
b b s echoes ? s echoes ?
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 50
Man
y M
od
els
Man
y M
od
els
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 51
caution: partially doctored by me
357 fb-1
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 52
Conclusion: Best Bet for BSM Soon
I CPV in b s w/ Boxes and PenguinsSS ; AA KK; sinsin 22BBss; AA CPCP(B+ J/K+)
II H Probe: b b s s ; BB (+D(*))
III Electroweak Penguin: AAFBFB (B(B K*K* ℓℓ ℓℓ)) ; B K(*)
IV RH Currents and Scalar InteractionsTCPV in B X ; BBs s
V D/K: Box and EWP Redux — DD mixing mixing ; Rare K
VI : LFV and (BL)V ℓℓ , ℓ ℓ ℓ ’ ; , p
Thing to watch in 2008-09 !Hints for BSM
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 53
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 54
/ KL detection
14/15 lyr. RPC+Fe
Central Drift Chambersmall cell +He/C2H6
CsI(Tl)
Aerogel Cherenkov Counter n=1.015~1.030
Si Vertex Detector3(4) lyr. DSSD
TOF
SC Solenoid1.5T
8 GeV e
3.5 GeV e
Belle Detector
16X
ACC (PID)
ECL
SVD
KLM
CDC
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 55
CP Asymmetry needs both CP Conserv/Violating Phase
Particle Process Anti Particle Process
CP Violation Primer
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 56
A: Decay Amplitude
M12 : Mixing Amplitude
A
M12 Ā
CPV in Mixing-Decay Interference
B
B
T-dep. CPV Primer
B0B0 B0 B0 Oscillations: ei mm ttM12
Interference of Two Types of Phases
CP conserv.
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 57
CP Asymmetry needs both CP Conserv/Violating Phase
Particle Process Anti Particle Process
CP Violation Primer
22 = = mm ttTCPV:
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 58
B0→DD: Belle vs BaBar
Direct CPV at 3.2
hep-ex/0702031 submitted to PRL
535M3
varia
nce
383M
0705.1190 [hep-ex]submitted to PRLConsistent w/ SM
Hard to accommodate
Unparticle Effect !?just to be crazy ... Zwicky, 0707.0677 [hep-ph]
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 59
tt tt
Nondecoupling of top in EWP — tt ~ 1WSH, Willey, Soni, PRL 58, 1608 (1987)
Much TH work ...to NNLO
In agreement w/ NNLO SM
b s ℓ ℓ RatesRates
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 60
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 61
B KD. Monorchio @ EPS
b s
uuB+ K+
exotic scalar
signal region m (GeV/c2)
Reconstructed mass
BaBarExpected
backgroundEvents in
signal window
Ne = 1N = 0N = 2
be = 0.5 0.3b = 0.6 0.3b = 1.8 0.6
No evidence of signal
UL (90%CL): B (B K) < 7.7x10
346 fb
First search ever done for this channel
• The baryon asymmetry of the universe Baryon number violation (Sakharov condition)
• For lepton -> baryon + meson decays, the angular momentum conservation requires, (B-L) = 0 or 2
The following decays modes used in this analysis: (237 fb-1)
Lepton and baryon number violating -decay
(hep-ex: 0607040)
Swain
Flavour/TeV George W.S. Hou (NTU) SUSY’07, 28/7/07 63
S. Stone @ flavour/LHC, 3/07