SLIDE 1
ILCiInvisible
- Y.KATO
Outline
l
- iInvisible
l
- i
l
l
2016/7/26 @ILC Summer Camp
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- 2
ILC i Invisible Y.KATO Outline l - - PowerPoint PPT Presentation
ILC i Invisible Y.KATO Outline l - - PowerPoint PPT Presentation
ILC i Invisible Y.KATO Outline l i Invisible l
SLIDE 2
SLIDE 3
- pI
Ø p Øi
2016/7/26 @ILC Summer Camp
i
- 3
- 27%
- 68%
- 5%
ILCi vl
L
SLIDE 4
- li → 1
liIi
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liI!"#Higgs $#
!%& = (
)
*+ Z → ./.0 ε)2 $345
6
= 7
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⃗;<;= 6
lbL250GeV
- L 7
- ≈ 250GeVI(2)
- vL
D>E >E
6 = 2×100HGeV0L
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2016/7/26 @ILC Summer Camp
i
- 4
2: Higgs 1:Higgs Recoil Feynman Diagram
SLIDE 5
lILCib
- veLbC
→b
l(:SM)→I
iInvisible
q q
- X
X
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- *+ H → XX ~? ? ? %
(
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q q
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Z ν ν ν ν
*+ H → ZZ∗ → 4Z ~0.1% I
- 2016/7/26 @ILC Summer Camp
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- 5
SLIDE 6
Outline
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- iInvisible
l
- i
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2016/7/26 @ILC Summer Camp
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- 6
SLIDE 7
i
2016/7/26 @ILC Summer Camp
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“Left”:\ W0,W/ = (−0.8,+0.3) “Right”:\ W0,W/ = (+0.8,−0.3)
J.Y. et al, arXiv:1604.07524 W0 + W/ → c0 + c/ + d@250GeV
v
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SLIDE 8
Outline
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- iInvisible
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2016/7/26 @ILC Summer Camp
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SLIDE 9
[] Event Selection
2016/7/26 @ILC Summer Camp
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- 9
:LCWS14 i l Z l b i
Signal by Toy MC
SLIDE 10
- ls
- Event Selection
l
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- b,,
- vl
l(Recoil Mass)
- bnetc…
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2016/7/26 @ILC Summer Camp
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- 10
SLIDE 11
To be continued …
SLIDE 12
- 2016/7/26 @ILC Summer Camp
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SLIDE 13
Back Up
2016/7/26 @ILC Summer Camp
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q q l ν q q Z
SLIDE 14
iInvisible
lSignal
Øee→ZH(250GeV), BR(Z→qq) 70%,iInvisible :BR(H→ZZ*→4ν)0.1%
- IZ→qqI→
lEvent Selection
Øb
2016/7/26 @ILC Summer Camp
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SLIDE 15
2016/7/26 @ILC Summer Camp
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- 15
1. jet[Durham] 2. v 3. PFO 4. jetZ 5. Z:ef7g" 6.
- 7.
- Event Selection