Triangle - Istituto Nazionale di Fisica Nucleareifae2006/talks/FisicaSapore/Vagnoni.pdfBs C εεεε...

23
IFAE 2006, Pavia, 20 th April 2006 Analysis Triangle Unitarity of Status on behalf of the Collaboration http://www.utfit.org M. Bona, M. Ciuchini, E. Franco, V. Lubicz, G. Martinelli, F. Parodi, M. Pierini, P. Roudeau, C. Schiavi, L. Silvestrini, A. Stocchi, V. V. Bologna Bologna Vincenzo Vincenzo Vagnoni Vagnoni

Transcript of Triangle - Istituto Nazionale di Fisica Nucleareifae2006/talks/FisicaSapore/Vagnoni.pdfBs C εεεε...

Page 1: Triangle - Istituto Nazionale di Fisica Nucleareifae2006/talks/FisicaSapore/Vagnoni.pdfBs C εεεε K C Bd, ... New Physics couplings between third and second families (b ... two

IFA

E 2

006,

Pavia

, 20

thA

pri

l 20

06

An

aly

sis

Tri

an

gle

Un

ita

rity

of

Sta

tus on behalf of the Collaboration

http://www.utfit.org

M. B

on

a, M

. C

iuc

hin

i, E

. F

ran

co

, V

. L

ub

icz,

G. M

art

inelli, F

. P

aro

di, M

. P

ieri

ni, P

. R

ou

dea

u,

C.

Sch

iavi, L

. S

ilvestr

ini, A

. S

tocc

hi, V

. V

.

Bo

log

na

Bo

log

na

Vin

ce

nzo

Vin

ce

nzo

Vag

no

ni

Vag

no

ni

Page 2: Triangle - Istituto Nazionale di Fisica Nucleareifae2006/talks/FisicaSapore/Vagnoni.pdfBs C εεεε K C Bd, ... New Physics couplings between third and second families (b ... two

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cen

zo

Vag

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ni

2IF

AE

2006,

Pavia

, 20

thA

pri

l 20

06

CK

M P

hysic

s:

no

t ju

st

a t

rian

gle

...

CK

M P

hysic

s:

no

t ju

st

a t

rian

gle

...

Page 3: Triangle - Istituto Nazionale di Fisica Nucleareifae2006/talks/FisicaSapore/Vagnoni.pdfBs C εεεε K C Bd, ... New Physics couplings between third and second families (b ... two

IFA

E 2

006,

Pavia

, 20

thA

pri

l 20

06

1-λ λλλ

2/2

λ λλλ

− −−−λ λλλ1-λ λλλ

2/2

u c

ds

b

A λ λλλ

3(1

-ρ ρρρ-i

η ηηη)

-Aλ λλλ2

t

d, s

b

d, s

b

Vtd

,Vts

B O

scil

lati

on

s

A λ λλλ

3(ρ ρρρ

− −−−iη ηηη

)

Aλ λλλ2

1

Vtb

c,u

B d

ecays

b

Vu

b,V

cb

Wo

lfen

ste

inp

ara

metr

izati

on

4 p

ara

mete

rs:λ λλλ

,A,

ρ, η

ρ, η

ρ, η

ρ, η

b-P

hys

ics

pla

ys

a c

ruci

al

role

in

th

e

det

erm

inati

on

of

tho

se p

ara

met

ers

Th

e C

KM

ma

trix

T

he

CK

M m

atr

ix

Page 4: Triangle - Istituto Nazionale di Fisica Nucleareifae2006/talks/FisicaSapore/Vagnoni.pdfBs C εεεε K C Bd, ... New Physics couplings between third and second families (b ... two

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4IF

AE

2006,

Pavia

, 20

thA

pri

l 20

06

††

1V

VV

V=

=

Th

eC

KM

is

unitary

**

*0

ub

ud

cb

cd

tbtd

VV

VV

VV

++

=

*2

2

*

11

(1)

~td

tbtd

td

cd

cb

cb

ts

VV

VV

AB

VV

VV

ρη

λλ

==

−+

=

*2

22

*

11

2

ud

ub

ub

cd

cb

cb

VV

VA

CV

VV

λρ

ηλ

==

+=

* *ata

n(1

)arg

tdtb

cd

cb

VV

VV

ηβ

ρ

=

=

* *ata

narg

ud

ub

cd

cb

VV

VV

ηγ

ρ

=

=

α +

β +

γ =

π1

Th

e U

nit

ari

ty T

rian

gle

T

he

Un

ita

rity

Tri

an

gle

Th

en

on

-dia

go

nal ele

men

tso

f th

em

atr

ixp

rod

ucts

co

rresp

on

d t

o

6 tr

ian

gle

eq

uati

on

s

Page 5: Triangle - Istituto Nazionale di Fisica Nucleareifae2006/talks/FisicaSapore/Vagnoni.pdfBs C εεεε K C Bd, ... New Physics couplings between third and second families (b ... two

IFA

E 2

006,

Pavia

, 20

thA

pri

l 20

06

Bayes

Th

eore

m

Sta

nd

ard

Mo

del

+

OP

E/H

QE

T/

La

ttic

e Q

CD

to g

o

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m q

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to h

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, m

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M. B

on

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olla

bo

rati

on

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HE

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7 (

20

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ep

-ph

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99

M. B

on

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t a

l.(U

Tfi

t C

olla

bo

rati

on

)J

HE

P 0

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20

06

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ep

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Th

e U

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he

UT

fit

fit

me

tho

d a

nd

th

e in

pu

tsm

eth

od

an

d t

he

in

pu

ts

Page 6: Triangle - Istituto Nazionale di Fisica Nucleareifae2006/talks/FisicaSapore/Vagnoni.pdfBs C εεεε K C Bd, ... New Physics couplings between third and second families (b ... two

Vin

cen

zo

Vag

no

ni

6IF

AE

2006,

Pavia

, 20

thA

pri

l 20

06

Cla

ssic

co

nstr

ain

ts

in t

he ρ ρρρ

− −−−η ηηηp

lan

e

Vu

b/V

cb

sin

(2β 2β2β2β

)

∆ ∆∆∆m

d

∆ ∆∆∆m

d/∆ ∆∆∆

ms

∆ ∆∆∆m

sfr

om

CD

F o

nly

ε εεε K

Page 7: Triangle - Istituto Nazionale di Fisica Nucleareifae2006/talks/FisicaSapore/Vagnoni.pdfBs C εεεε K C Bd, ... New Physics couplings between third and second families (b ... two

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zo

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7IF

AE

2006,

Pavia

, 20

thA

pri

l 20

06

... an

d t

he o

ther

... an

d t

he o

ther

frie

nd

sfr

ien

ds

sin

(2β+ 2β

+2β

+2β

+γ γγγ)

γ γγγ

α ααα

cos(

2β 2β2β2β)

β βββfr

om

D0π πππ0

Page 8: Triangle - Istituto Nazionale di Fisica Nucleareifae2006/talks/FisicaSapore/Vagnoni.pdfBs C εεεε K C Bd, ... New Physics couplings between third and second families (b ... two

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cen

zo

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ni

8IF

AE

2006,

Pavia

, 20

thA

pri

l 20

06

Cru

cia

l m

ea

su

rem

en

t o

f C

ruc

ial m

ea

su

rem

en

t o

f ∆ ∆∆∆∆ ∆∆∆

mms

s f

rom

CD

Ffr

om

CD

F

∆ ∆∆∆m

sp

red

icti

on

fro

m S

M U

T f

itw

ith

ou

t u

sin

g t

he

∆ ∆∆∆m

s

me

as

ure

me

nts

as

in

pu

t

∆ ∆∆∆m

s =

(2

1.5

±2

.6)

ps

-1

Lik

elih

oo

d o

f ∆ ∆∆∆

ms

fro

m C

DF

∆ ∆∆∆m

s =

(1

7.3

5 ±

0.2

5)

ps

-1

Page 9: Triangle - Istituto Nazionale di Fisica Nucleareifae2006/talks/FisicaSapore/Vagnoni.pdfBs C εεεε K C Bd, ... New Physics couplings between third and second families (b ... two

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cen

zo

Vag

no

ni

9IF

AE

2006,

Pavia

, 20

thA

pri

l 20

06

An

gle

s v

s n

o a

ng

les

An

gle

s v

s n

o a

ng

les

ρ ρρρ=

0.2

03 ±

0.0

55

η ηηη=

0.3

16

±0

.025

ρ ρρρ=

0.1

97 ±

0.0

34

η ηηη=

0.3

97

±0

.025

Page 10: Triangle - Istituto Nazionale di Fisica Nucleareifae2006/talks/FisicaSapore/Vagnoni.pdfBs C εεεε K C Bd, ... New Physics couplings between third and second families (b ... two

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cen

zo

Vag

no

ni

10

IFA

E 2

006,

Pavia

, 20

thA

pri

l 20

06

Fit

resu

lts in

Sta

nd

ard

Mo

del

scen

ari

oF

it r

esu

lts in

Sta

nd

ard

Mo

del

scen

ari

o

ρ ρρρ=

0.1

93 ±

0.0

29

η ηηη=

0.3

55

±0

.019

Cle

ar

ten

sion

in

th

e fi

t d

ue

to a

n e

xce

ss i

n V

ub/V

cb

Page 11: Triangle - Istituto Nazionale di Fisica Nucleareifae2006/talks/FisicaSapore/Vagnoni.pdfBs C εεεε K C Bd, ... New Physics couplings between third and second families (b ... two

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zo

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ni

11

IFA

E 2

006,

Pavia

, 20

thA

pri

l 20

06

Slig

ht

inc

on

sis

ten

ce

in

th

e f

it d

ue

Slig

ht

inc

on

sis

ten

ce

in

th

e f

it d

ue

to l

arg

e v

alu

e o

f V

to l

arg

e v

alu

e o

f V

ub

u

b f

rom

HF

AG

fro

m H

FA

G

Page 12: Triangle - Istituto Nazionale di Fisica Nucleareifae2006/talks/FisicaSapore/Vagnoni.pdfBs C εεεε K C Bd, ... New Physics couplings between third and second families (b ... two

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zo

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ni

12

IFA

E 2

006,

Pavia

, 20

thA

pri

l 20

06

Tre

eP

roc

es

se

sc

ou

ldb

eu

se

dto

«d

isc

ov

er

»N

P:

co

mp

ari

ng

«d

ire

ct»

(wh

ich

are

N

P f

ree

) a

nd

«in

dir

ec

t»(w

he

reN

P c

on

trib

uti

on

s c

ou

lds

ho

w u

p)

me

as

ure

me

nts

of

the

sa

me

qu

an

tity

.

γ=

65

±20

up

to π πππ

am

big

uit

y

A c

lea

re

vid

en

ce

tha

tw

ea

re b

eyo

nd

the

era

of

«a

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tiv

es

»to

th

eS

M h

as

em

erg

ed

. N

P s

ho

uld

ap

pe

ar

as

«c

orr

ec

tio

ns

»to

th

eC

KM

pic

ture

Pre

dic

tion

from

oth

erco

nst

rain

tsb

ut

γ=

(61.1

±4.5

Page 13: Triangle - Istituto Nazionale di Fisica Nucleareifae2006/talks/FisicaSapore/Vagnoni.pdfBs C εεεε K C Bd, ... New Physics couplings between third and second families (b ... two

Vin

cen

zo

Vag

no

ni

13

IFA

E 2

006,

Pavia

, 20

thA

pri

l 20

06

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wit

h N

P-i

nd

ep

en

de

nt

co

ns

train

ts

usi

ng T

ree-

lev

el p

roce

sses

ass

um

ed t

o b

e N

P f

ree

*th

e ef

fect

of

the

D0-D

0 m

ixin

g

is n

egli

gib

le w

rt t

he

act

ua

l er

ror

ρ ρρρ=

±0

.18

±0

.12

η ηηη=

±0

.39

±0

.06

ver

y i

mp

ort

an

t to

im

pro

ve:

Vu

b/V

cbfr

om

sem

ilep

ton

icd

ecays

γ γγγfr

om

tre

e le

vel

pro

cess

es

refe

ren

ce

start

ing p

oin

t

for

NP

mod

el

bu

ild

ing

Page 14: Triangle - Istituto Nazionale di Fisica Nucleareifae2006/talks/FisicaSapore/Vagnoni.pdfBs C εεεε K C Bd, ... New Physics couplings between third and second families (b ... two

Vin

cen

zo

Vag

no

ni

14

IFA

E 2

006,

Pavia

, 20

thA

pri

l 20

06

Ne

w P

hys

ics

mo

de

l in

de

pe

nd

en

t N

ew

Ph

ys

ics

mo

de

l in

de

pe

nd

en

t p

ara

me

triz

ati

on

in

|p

ara

me

triz

ati

on

in

|∆ ∆∆∆∆ ∆∆∆

F|=

2 t

ran

sit

ion

sF

|=2

tra

ns

itio

ns

sd

qB

HB

BH

Be

Cq

SM

eff

q

q

full

eff

qi

B

qB

q,

00

00

2= ===

= ===φ φφφ

Th

e m

ixin

g p

roc

es

se

s b

ein

g c

hara

cte

rized

by a

sin

gle

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he m

ixin

g p

roc

es

se

s b

ein

g c

hara

cte

rized

by a

sin

gle

am

plitu

de, th

ey c

an

be p

ara

metr

ized

in

a g

en

era

l w

ay b

y

am

plitu

de, th

ey c

an

be p

ara

metr

ized

in

a g

en

era

l w

ay b

y

me

an

s o

f tw

o p

ara

me

ters

me

an

s o

f tw

o p

ara

me

ters

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SM

eff

inc

lud

es

on

ly S

M b

ox

dia

gra

ms

wh

ile

Hfu

lleff

inc

lud

es

Ne

w P

hy

sic

s

co

ntr

ibu

tio

ns

as

we

ll 00

00

ImIm

KH

K

KH

KC

SM

eff

full

eff

K= ===

ε εεε

Fo

r th

e n

eu

tra

l kao

n m

ixin

g c

as

e, it

is c

on

ven

ien

t to

in

tro

du

ce

F

or

the n

eu

tra

l kao

n m

ixin

g c

as

e, it

is c

on

ven

ien

t to

in

tro

du

ce

o

nly

on

e p

ara

me

ter

on

ly o

ne p

ara

me

ter

�∆ ∆∆∆

mK

is n

ot

co

ns

ide

red

sin

ce

th

e lo

ng

dis

tan

ce e

ffe

cts

are

no

t w

ell

co

ntr

oll

ed

Fo

ur

Fo

ur

““in

dep

en

den

tin

dep

en

den

t ””o

bse

rvab

les (

C=

1,

ob

se

rvab

les (

C=

1,

φ φφφφ φφφ =0 in

SM

)=

0 in

SM

)�

CB

d, φ φφφ

Bd, C

Bs,

φ φφφB

s

5 a

dd

itio

nal

pa

ram

eter

s5

ad

dit

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al

pa

ram

eter

s

Page 15: Triangle - Istituto Nazionale di Fisica Nucleareifae2006/talks/FisicaSapore/Vagnoni.pdfBs C εεεε K C Bd, ... New Physics couplings between third and second families (b ... two

IFA

E 2

006,

Pavia

, 20

thA

pri

l 20

06

Allo

win

g f

or

NP

in

|A

llo

win

g f

or

NP

in

|∆ ∆∆∆∆ ∆∆∆

F|=

2 t

ran

sit

ion

s t

he

F|=

2 t

ran

sit

ion

s t

he

ad

dit

ion

al p

ara

mete

rs a

re left

fre

e in

th

e f

itad

dit

ion

al p

ara

mete

rs a

re left

fre

e in

th

e f

it

SM

KK

B

SM

B

SM

B

SM

SM

sB

s

SM

dB

d

K

sdd

sd

C

mC

m

mC

m

ε εεεε εεε

φ φφφχ χχχ

χ χχχ

φ φφφα ααα

α ααα

φ φφφβ βββ

β βββ

ε εεε= ===

− −−−= ===

− −−−= ===

+ +++= ===

∆ ∆∆∆= ===

∆ ∆∆∆

∆ ∆∆∆= ===

∆ ∆∆∆ exp

exp

exp

expex

p

exp

XXXX

α αααα ααα(( ρ

ρ ρρρρρρρρ ρρρρρρ, ,

ρπ ρπρπρπρπ ρπρπρπ, ,

ππ ππππππππ ππππππ))

XXXX

AAS

LS

LBB

dd

XXXX

∆ ∆∆∆∆ ∆∆∆mm

dd

XX∆ ∆∆∆∆ ∆∆∆

mmss

XXXX

sin

2sin

2β ββββ βββ

XXXX

ε εεεε εεε KK

XXγ γγγγ γγγ

(DK

)(D

K)

XXVV

ub

ub/V/V

cb

cb

CCB

sB

sCC

ε εεεε εεε KKCC

Bd

Bd, ,

φ φφφφ φφφ Bd

Bd

ρ ρρρρ ρρρ, ,

η ηηηη ηηη

Page 16: Triangle - Istituto Nazionale di Fisica Nucleareifae2006/talks/FisicaSapore/Vagnoni.pdfBs C εεεε K C Bd, ... New Physics couplings between third and second families (b ... two

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zo

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ni

16

IFA

E 2

006,

Pavia

, 20

thA

pri

l 20

06

|Vu

b/V

cb|

∆ ∆∆∆m

d

ε εεε K AC

P(J

/ψ ψψψK

0)

γ γγγ(D

K)

|Vu

b/V

cb|

∆ ∆∆∆m

d

ε εεε K AC

P(J

/ψ ψψψK

0)

γ γγγ(D

K)

+α ααα co

s2β βββ

AS

L

α ααα cos2

β βββA

SL

Usin

g t

he N

P m

od

el

ind

ep

en

de

nt

ap

pro

ach

in

th

e f

it

Th

e in

clu

sio

n o

f A

SL

ha

s a

n i

mp

ac

t fo

r s

up

pre

ss

ing

th

e s

ate

llit

e N

P

so

luti

on

SM

-lik

eso

luti

on

(ver

ysu

ppre

ssed

) «

NP

»so

luti

on

Page 17: Triangle - Istituto Nazionale di Fisica Nucleareifae2006/talks/FisicaSapore/Vagnoni.pdfBs C εεεε K C Bd, ... New Physics couplings between third and second families (b ... two

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cen

zo

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ni

17

IFA

E 2

006,

Pavia

, 20

thA

pri

l 20

06

CB

d=

1.2

7 ±

0.4

4

Cε εεεK

= 0

.95

±0

.18

All

ow

ing

fo

r th

e N

P

mo

del

ind

ep

en

de

nt

para

mete

rs t

o b

e

ad

juste

d b

y t

he f

it

CB

s=

1.0

1 ±

0.3

3φ φφφ B

d=

(-4

.7 ±

2.3

)o

∆ ∆∆∆m

s

Page 18: Triangle - Istituto Nazionale di Fisica Nucleareifae2006/talks/FisicaSapore/Vagnoni.pdfBs C εεεε K C Bd, ... New Physics couplings between third and second families (b ... two

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cen

zo

Vag

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ni

18

IFA

E 2

006,

Pavia

, 20

thA

pri

l 20

06

New

Ph

ysic

sin

th

eb

→ →→→d

secto

r(n

ow

als

oin

th

eb� ���

s)

sta

rts

to b

eq

uit

ec

on

str

ain

ed

an

dm

ost

pro

ba

bly

willn

ot

co

me

as a

n a

ltern

ati

ve t

oth

eC

KM

pic

ture

, b

ut

rath

er

as a

«co

rrecti

on

»

Wh

at

to s

ay/h

op

e t

hen

?W

hat

to s

ay/h

op

e t

hen

?

Ba

sic

ally

two

sce

nari

os

Min

imal F

lav

ou

rV

iola

tio

n:

the

on

lyso

urc

e o

ffl

avo

ur

vio

lati

on

is

in t

he

SM

Yu

kaw

a

co

up

lin

gs

(im

plies

φ φφφ=0)

New

Ph

ysic

sco

up

lin

gs

betw

ee

nth

ird

an

dse

co

nd

fam

ilie

s

(b→ →→→

ssecto

r) a

re s

tro

ng

er

wit

hre

sp

ect

to t

he

b→ →→→

do

ne

s(?

)

Fla

vo

ur

ph

ysic

sn

ee

ds

to im

pro

ve

exis

tin

gm

ea

su

rem

en

tsin

th

eB

dsec

tor

an

dp

erf

orm

pre

cis

em

easu

rem

en

tin

th

eB

ssecto

r:

Ph

ysic

sP

hysic

scas

e f

or

cas

e f

or

Su

perB

Su

perB

an

da

nd

LH

Cb

LH

Cb

Page 19: Triangle - Istituto Nazionale di Fisica Nucleareifae2006/talks/FisicaSapore/Vagnoni.pdfBs C εεεε K C Bd, ... New Physics couplings between third and second families (b ... two

Vin

cen

zo

Vag

no

ni

19

IFA

E 2

006,

Pavia

, 20

thA

pri

l 20

06

2010:

wh

ere

will w

e s

tan

d?

2010:

wh

ere

will w

e s

tan

d? 5%

5%

BBKK

5%

5%

3%

3%

ξ ξξξξ ξξξ

0.0

45

0.0

45

φ φφφφ φφφ ss

< 0

.3 p

s<

0.3

ps

-- 11∆ ∆∆∆∆ ∆∆∆

mmss

4%

4%

|V|Vu

bu

b||

1%

1%

|V|Vc

bc

b||

55oo

γ γγγγ γγγ

55oo

α αααα ααα

0.0

10

0.0

10

sin

2sin

2β ββββ βββ

Sen

sit

ivit

y i

n 2

010

Sen

sit

ivit

y i

n 2

010

Ob

serv

ab

leO

bserv

ab

le

ss

BB

B̂f

�A

ss

um

pti

on

s

�B

Fa

cto

rie

s w

ill

co

lle

ct

L=

2 a

b-1

�tw

o g

oo

d y

ea

rs o

f d

ata

ta

kin

g a

t L

HC

b(L

=4

fb

-1)

�im

pro

ve

me

nts

in

LQ

CD

qu

an

titi

es

�C

rucia

l p

oin

t fr

om

no

w o

n i

f w

e w

an

t to

sp

ot

ou

t ti

ny

NP

eff

ects

Page 20: Triangle - Istituto Nazionale di Fisica Nucleareifae2006/talks/FisicaSapore/Vagnoni.pdfBs C εεεε K C Bd, ... New Physics couplings between third and second families (b ... two

Vin

cen

zo

Vag

no

ni

20

IFA

E 2

006,

Pavia

, 20

thA

pri

l 20

06

20

10 s

en

sit

ivit

y t

o N

ew

Ph

ysic

s o

bs

erv

ab

les

2

01

0 s

en

sit

ivit

y t

o N

ew

Ph

ysic

s o

bs

erv

ab

les

in

|in

|∆ ∆∆∆∆ ∆∆∆

FF|=

2 t

ran

sit

ion

s f

rom

UT

fit

s|=

2 t

ran

sit

ion

s f

rom

UT

fit

s(a

ss

um

ing

Sta

nd

ard

Mo

del valid

ity)

(as

su

min

g S

tan

dard

Mo

del valid

ity)

σ σσσ≅ ≅≅≅

0.1

(no

w ~

0.2

)

K0

sec

tor

σ σσσ≅ ≅≅≅

1.3

°

(no

w ~

3°)

Bd

se

cto

r

σ σσσ≅ ≅≅≅

0.1

4(n

ow

~0.5

)

σ σσσ≅ ≅≅≅

1.3

o

Bs

sec

tor

σ σσσ≅ ≅≅≅

0.1

2

Usin

g t

he m

ea

su

rem

en

ts f

rom

a f

ew

ke

y L

HC

b B

Usin

g t

he m

ea

su

rem

en

ts f

rom

a f

ew

ke

y L

HC

b B

ssch

an

ne

lsch

an

ne

ls

(in

part

icu

lar

(in

part

icu

lar

φ φφφφ φφφ ss)) ,

an

d a

ssu

min

g B

, an

d a

ssu

min

g B

-- fa

cto

rie

s a

t 2 a

bfa

cto

rie

s a

t 2 a

b-- 11

an

d

an

d

imp

rov

em

en

ts in

th

e latt

ice q

uan

titi

es

, th

e p

recis

ion

on

NP

im

pro

ve

men

ts in

th

e latt

ice q

uan

titi

es

, th

e p

recis

ion

on

NP

ob

se

rvab

les f

or

bo

bse

rvab

les f

or

b� ���� ���

s F

CN

C t

ran

sit

ion

ss F

CN

C t

ran

sit

ion

sin

201

0in

201

0

will b

e a

t th

e s

am

e le

vel a

s t

he

bw

ill b

e a

t th

e s

am

e le

vel a

s t

he

b� ���� ���

d w

ith

im

pre

ssiv

e p

recis

ion

d w

ith

im

pre

ssiv

e p

recis

ion

Will it

be s

uff

icie

nt

to s

po

t o

ut

tin

y N

P e

ffec

ts?

Will it

be s

uff

icie

nt

to s

po

t o

ut

tin

y N

P e

ffec

ts?

Page 21: Triangle - Istituto Nazionale di Fisica Nucleareifae2006/talks/FisicaSapore/Vagnoni.pdfBs C εεεε K C Bd, ... New Physics couplings between third and second families (b ... two

Vin

cen

zo

Vag

no

ni

21

IFA

E 2

006,

Pavia

, 20

thA

pri

l 20

06

Co

nc

lus

ion

s (

I)C

on

clu

sio

ns

(I)

�A

larg

e s

et

of

ne

w b

ou

nd

s f

rom

B-f

ac

tori

es

allo

ws

o

ve

r-c

on

str

ain

ing

th

e U

nit

ari

tyT

rian

gle

�S

tan

dard

Mo

del is

“sad

ly”

sh

ow

ing

an

im

pre

ssiv

e c

on

sis

ten

cy in

th

e

CK

M s

ecto

r

�If

NP

will sh

ow

up

, it

will ap

pe

ar

as a

co

rrecti

on

to

th

e S

M r

ath

er

tha

n

as a

rev

olu

tio

n

�T

he o

nly

ten

sio

n in

th

e f

it c

om

es f

rom

a s

lig

ht

dis

ag

reem

en

t b

etw

een

sin

2β βββ

an

d V

ub

��BB

ssm

ixin

g m

ag

nit

ud

e f

rom

CD

F p

uts

an

oth

er

mix

ing

ma

gn

itu

de

fro

m C

DF

pu

ts a

no

the

r m

iles

ton

e t

o t

he

ho

pe

fo

r la

rge

NP

co

ntr

ibu

tio

ns

miles

ton

e t

o t

he

ho

pe

fo

r la

rge

NP

co

ntr

ibu

tio

ns

�eve

n if

the m

ixin

g p

ha

se s

till r

em

ain

s o

pe

n

Page 22: Triangle - Istituto Nazionale di Fisica Nucleareifae2006/talks/FisicaSapore/Vagnoni.pdfBs C εεεε K C Bd, ... New Physics couplings between third and second families (b ... two

Vin

cen

zo

Vag

no

ni

22

IFA

E 2

006,

Pavia

, 20

thA

pri

l 20

06

Co

nc

lus

ion

s (

II)

Co

nc

lus

ion

s (

II)

�B

y u

sin

g o

nly

th

e c

on

str

ain

ts f

rom

|V

ub|/|V

cb|

an

d γ γγγ

, w

e h

av

e a

(“N

P f

ree

”)

tre

e le

ve

l d

ete

rmin

ati

on

of

ρ ρρρa

nd

η ηηη�

Th

is is a

sta

rtin

g r

efe

ren

ce p

oin

t fo

r N

P m

od

el b

uild

ing

, sin

ce a

ll t

he

NP

mo

dels

have t

o a

gre

e w

ith

it

�A

do

pti

ng

a N

P m

od

el in

de

pe

nd

en

t p

ara

me

triz

ati

on

, w

e fi

t S

M (

ρ ρρρa

nd

η ηηη)

an

d N

P (

co

rre

cti

on

s t

o S

M i

n

mix

ing

am

plitu

de

s a

nd

ph

as

es

) to

ge

the

r�

Co

nstr

ibu

tio

ns

of

NP

to

th

e B

dm

ixin

g p

hase a

re a

lrea

dy v

ery

c

on

str

ain

ed

�� ���

sa

me

ph

as

e o

f S

M

��S

till N

P h

un

tin

g h

op

e i

n

Sti

ll N

P h

un

tin

g h

op

e i

n bb� ���� ���

ssp

en

gu

ins

an

d B

pe

ng

uin

s a

nd

Bss

mix

ing

ph

as

em

ixin

g p

ha

se

��A

lso

wit

h t

he

mix

ing

mag

nit

ud

es

, a c

ruc

ial p

oin

t is

A

lso

wit

h t

he

mix

ing

mag

nit

ud

es

, a c

ruc

ial p

oin

t is

th

e r

ed

uc

tio

n o

f u

nc

ert

ain

tie

s i

n la

ttic

e q

ua

nti

tie

s

the

re

du

cti

on

of

un

ce

rta

inti

es

in

la

ttic

e q

ua

nti

tie

s

Page 23: Triangle - Istituto Nazionale di Fisica Nucleareifae2006/talks/FisicaSapore/Vagnoni.pdfBs C εεεε K C Bd, ... New Physics couplings between third and second families (b ... two

Vin

cen

zo

Vag

no

ni

23

IFA

E 2

006,

Pavia

, 20

thA

pri

l 20

06

Th

e E

nd

Th

e E

nd