LHC 1fb-1で物理
野尻美保子

2010年6月19日土曜日

LHC• LHC starts from 1fb-1 and 7 TeV (level of 10nb-1 for eachexperiments at early June.

• Still some discovery modes• discovery and model independent studies.
• 実験のハイライト• pole の物理• missing の物理

2010年6月19日土曜日

-1
Expected physics reach with 1fb
In 2010/11 we expect to record up to 1fb-1 of integrated luminosity at 7 TeV

!
!
!
!

Standard Model

Discovery Potential

W!l+! (4M events)
Z!ll(400k)
ttbar!l+jets (6k)ttbar dilepton (2.5k)! Susy 5" discovery above
Tevatron limit with a few 100pb-1! "#!## : sensitive up to 1.5TeV! Higgs: 3" evidence in the mass
range 145-180GeVQCD and Electroweak Physics at LHC

Klaus Rabbertz

Detector Commisioning
Std Model measurements

たとえばPDF→

23
Figure 6: The reconstructed W charge asymmetry including estimated statistical and systematic uncer−1
tainties for 100 pb of simulated luminosity at 10 TeV from CMS (left) [42] and the forward backward
lept
asymmetry AFB versus the weak mixing angle sin2 θeff at the Z pole for 100 fb−1 of integrated luminosity
at 14 GeV from ATLAS (right) [11].
6. Boson plus Jet and Di-Boson Production

2010年6月19日土曜日

Finally, the much higher center-of-mass energy at the LHC allows for more precise studies
than ever before of multiple boson or of boson plus jet production. Figure 7 shows an estimate on

Start to feel the effect to be athigh energy
Charged-0-.)("F*&,GF)(0F("()(*>&(!&00&(!)*.-")(A!>&-)&=>?&4<C&-!7&@&1*6

Charged-particle momenta for events with!"#$%&'()#(!&)#*&+(!*,-)("&.-!/*&012&344&5*6&-!7&898&:&;<3&-)&=>&?&@&1*6&"A,0-.*7&)A&5B&
predictions (left) and to the published results-)&=>&?&C44&D*6&E.(/#)&PLB 688,1,21-42).
MC shows significant excess in several GeV momentum range, also seen at 900 GeV. Large
impact on modeling rate for low PT objects (EM clusters, muons, jets) in data.

17

2010年6月19日土曜日

b-tagging

Detector is working PixelOK
detector allows for go

Photon final states reconstructed with the LAr EM calorimeterb-tagging
Pixel detector allows for good z resolution

CMS DP-2010/015

3D impact parameter significanceComparison between data and simulation! Good prospects for sear

Good agreement between data and MC in all calorimetric discriminating variables
uggests high degreeCMS
of understandingof the detector performance.
の E cal はうまく動いている。

b-tag も問題なし。

F. Ronga (ETH Zurich) – Planck 2010 – June 3, 201010

O(100nb) になるとtop がみえてくる。

2010年6月19日土曜日

3D impact parameter significanceComparison between data and simulation

Same, zoomed in central region
Symmetric for short lifetimes

Predicted in many extensions•• Predicted in many extensions

Z’ modelCMS NOTE-2010/008

CMS NOTE-201

of the Standard
Modelbackground is low and well!

Table 1: Charges of Standard Model fermionsin canonicalZ ! models. (mainly Drell-Yan)understoodwell! background is low and
!
√

72
Y TeV
T(mainly
B − L scaled
24Qχ toQQη
3R resultunderstood
Drell-Yan)! 10
5 7ψTeV

− 21

+ 61

result scaled to 7 TeV! 10 TeV
ν
0
+
−1
+5
−1
+
1 TeV+e Already−1 − sensitivity−1+1 at −1-1
with
50–100
pb
u ,d
+
0
+
−1
+1
−
νL , eL

−1

0

+3

+1

1
2
1
2

•
R
R

5
6
1
3

• Already sensitivity at 1 TeV
L

1
6
+ 32
− 31

1
3
+ 31
+ 31

with 50–100 pb

1
3
+ 31
− 61

Almost all analyses of Z ! physics have worked with one of thesecanonical models and have assumed zero kinetic mixing at the
weakF. Ronga
scale. (ETH Zurich) – Planck 2010 – June 3, 2010is a toy model (scaled Z boosn.
• Z_SSM
Extra Dimensions: A new motivation for Z searches comes!

from recent work on extensions of the Standard Model into extra
dimensions. (See the “Review of Extra Dimensions” for many
details not included here.) In some classes of these models, thebosonsof theStandard
F. Ronga (ETHgauge
Zurich)– Planck2010– June 3,Model2010 can inhabit these new
directions [17]. When compactified down to the usual (3+1)
dimensions, the extra degrees of freedom that were present
in the higher-dimensional theory (associated with propagation• model independent approach with signle
U(1), next page.

2010年6月19日土曜日

PAS EXO-09-006 scaled to 7 TeV

Zψ

105
10

10

Zψ

CMS preliminary
5 ! discovery

ZSSM

ZSSM

1041

1

103-1

10

CMS Preliminary

June 19, 2002

11:12

-1

SBM-07-002, scaled to√s = 7 TeV
10 10-2
SSM Z’
1
uR
+2
+1
−1
Z’"
20.6 0.8
CMS
Preliminary
1
1.2
1.4
1.6
1.8
2 2.2 2.4
10
2
RS
grav.
(0.1)
-1
dR
− 21
−3
−1
√ (TeV/cZ’ mass)
SBM-07-002, scaled RS
to grav.
s =(0.05)
7 TeV
10-2
It is also common to express experimental bounds in terms
5! discovery
reach
as a1.6
functionof mass
0.8
1
1.2
1.4
1.8
2
2.2
!
!
!
E6->SO(10)xU(1)ψ
SO(10)->U(1)xSU(5)of a toy Z , usually denoted
ZSM . This ZSM , of arbitrary2
0.6 0.8
1 1.2""1.4
1.6
1.8
2
2.2
2.4
channelM(TeV/c)2
mass, couples to the SM fermions identically to the usual Z.
mass (TeV/c )U(1)が２つの模型(scaled from 10 TeV to 7Z’TeV)L•-1Integrated
luminosity(pbIntegrated
luminosity(fb-1))of the Standard Model

Integrated luminosity (fb-1)

often encountered is U(1)η , where Qη = 8 Qχ − 8 Qψ . The
charges of the SM fermions under these U(1)’s can be foundin Table 1, and a discussion of their experimental signatures
can be found in Ref. 16. A separate listing appears for eachof the canonical models, with direct and indirect constraints
combined.

5!massdiscovery
reach as a function of mass
17
は決まっている.
""channelee channel(scaledsecitonfrom 10 TeV
to 7 TeV)
cross
は？

T3L
Y
B−L
QZ !

(u, d)(+ 12 , − 12 )
+ 16
+ 13
1
g! + 13 g!BL
6 Y

c

u
0
− 23
− 13
− 23 g!Y − 13 g!BL

c

d
0
+ 13
− 13
1
g! − 13 g!BL
3 Y

(ν, e)(+ 12 , − 12 )− 12
−1
− 12 g!Y − g!BLc

JZµ0 = gZc"#$
T3L (f ) − sin2 θW Q(f ) f γ µ f ,

gZ =

&

g2 + g! 2

'

,

ν
e
f
0
0
0
0 is the+1 SM expression for the current coupled to the SM Z (we recall th+1 presence+1 of mixing, Z 0 does not coincide with the mass eigenstate Z), andg!BL g!Y + g!BL"

single U(1) model
JZµ! 0 =Table 1: The charges of left-handed fermions controlling the electroweak neutral currents.

charge assignment

%

f

=

"

[gY Y (f ) + gBL (B − L)(f )] f γ µ f
gZ QZ ! (f ) f γ µ f .

is the electromagnetic current, whereof e)(u, d)f runs over the
uc different chiraldc projections (ν,νcef c
the SM fermions, Q(f ) = T3L (f )+Y
T3L(+ 12 ,(f−)12 is) their electric
0 charge, and the
0 contributions(+ 12 , − 12 )00
Again,
possible
contributions
to the currents from the scalar sector have bfrom the scalar sector have been omitted.
Similarly,
we
can
write
1
2
1
1

where

Y
+6
−3
+3
−2
0
+1
ted.
We
collected
in
Tab.
1
the
charges of the SM fermions needed for eval
1 ! µ
µ
µ
!−µ1
! −µ L
! +µ1
B
−
−1
+1
+1
JZ ! = sin3θ JZ 0 + cos θ JZ3! 0 , currents(2.4)
JZ = cos θ JZ 0 − sin θ JZ3! 0 ,of eqs. (2.5) and (2.6). For definiteness, we chose a purely left-ha
1
1
2
1
1
1
1
QZ !
g! + 3 g!BL − 3 g!Y − 3 g!BL 3 g!Y − 3 g!BL − 2 g!Y − g!BL g!BL g!Y + g!BL
6 Y
for the fermion fields, so that, omitting family indices, f = u, d, uc , dc , ν, e%
' expressing the charges QZ ! , we found it convenient to make reference to t"#&$

JZµ0 = gZ

Table 1: The
charges of left-handed fermions2 controllingthe electroweak neutral currents.
T3L (f ) − sin2 θW Q(f ) f γ µ f ,gZ = g + g ! 2 ,
(2.5)
g

gBL
Y
g!Y =
,
g!BL =.
gg
Z
is the electromagnetic current, where0 f runs over the different chiral projections of Z
is the SM expression for the current coupled to the SM Z (we recall that, in thethe SM fermions, Q(f ) = T3L (f )+Y (f ) is their electric charge, and the contributions
presence of mixing, Z 0 does not coincide with the mass eigenstate Z), andThecanparameterization
above automatically contains and extends speci
from the scalar sector have been omitted. Similarly, we
write"
often considered in the literature, such as ZB−L , Zχ , and Z3R models, whose
JZµ! 0 =[gYµ Y (f ) + gBLµ(B − L)(f )]µf γ µ f
µ
µ
! µ
!
!
JZ ! =simply
sin θ! Jread,+cosθ
JZnotation:
(2.4)
0
!0 ,
f JZ = cos θ JZ 0 − sin θ JZ ! 0 ,
in
our
Z
f

interaction

=

where

"

gZ QZ ! (f ) f γ µ f .

(2.6)

f

"#

$

%

µ
Again, possible contributions
the2 scalar
sector
JZµ0 =togZthe currents
T3L (ffrom) − sinθW Q(f) f γhavegZ =f , been omitted. We collected in Tab. 1 the charges
f of the SM fermions needed for evaluating the• yellow region (GUT prefered)&' gY
g2 + g! 2 ,
gB−L

ZB−L
0
(
(2.5)
3
g !
8 Z

Zχ
− √210 gZ !
√5 g !
2 10 Z

Z3R− gZ !

,

1
g !
2 Z

currents of eqs. (2.5) and (2.6). For definiteness, we chose a purely left-handed basis
is theSM expression
for thecurrent
coupledtheZ 0 (we recall that, in thefor the fermion fields,
so that,omitting family
indices,f = u,
d, uc , dc ,toν, e,ν c ,SMec . In
presenceof foundmixing,Z 0 does notcoincidewith tothethemass
eigenstateZ), andexpressing the charges
QZ ! , weit convenient
to makereference
ratiosFigure 1: GUT-favored region and some representative models in the (!
g , g!
Yg!Y =BL ) plane, see

"
–5–
gY
gBL
, J µ!g!0BL== [g.Y Y (f ) + gBL (B − L)(f )] f γ fZgZgZorder of other threshold effects that we reabsorbed in the wide ranges we assume
the text for details.
(2.7) µf"

below for other parameters. Then, we compute the boundary value g ! (MU ) using the−1
input g ! (MgZ Q
) f γ µ fspecific.
(2.6)
Z ) = e(MZ )/ cos θW (MZ ), with αem (MZ ) ! 128 andZ ! (f
The parameterization above automatically=contains
andextends
modelsphenomenologicalsin2 θW (MZ ) ! 0.23, and the SM one-loop RGE. We then allow the Z ! coupling atfoften considered in the literature, such as ZB−L , Zχ , and Z3R models, whose couplingsthe unification scale αU = g2 /(4π) = g2 ! (MU )/(4π), to vary within the generousUZ
simply read, in ourAgain,
notation:boundspossible contributions to the currents from the scalar sector have been omit- 1
1< αU <.
(2.14)
2010年6月19日土曜日
100
20

Physics at 7 TeV 1fb-1 (prospect not so great )黄色 LHC で見えないところ
青 Tevatron で exclude されていないところ
赤 EWPT でOK

200GeV

500 GeV

700 GeV

50pb
こことか

こことか

100pb
600 GeV

700 GeV

800 GeV√Figure 7: The LHC 5σ discovery potential in the (!
gY , g!BL ) plane for s = 7 TeV. The redand blue regions are those allowed by EWPT and Tevatron bounds respectively; the yellow
region is the one not within 5σ discovery reach at the LHC. Thus the region accessible by
the LHC is the one formed by points that are both in the red and blue regions but notin the yellow one. Plots in the first row refer to 50 pb−1 of data and MZ ! = 200, 500,
700 GeV respectively; plots in the second row are for 100 pb−1 of data and MZ ! = 600,

2010年6月19日土曜日

LHC starts from 7TeV and 1fb-1

1

2

3

4

5

Figure 13: Estimated 95% C.L. exclusion limits for the all-hadronic SUSY search, expressed in mSUGRA parameter space.
2010年6月19日土曜日

cross section for discovery
100pb-1 ~ σSUSY>9pb

1fb-1 ~σSUSY >1pb

discovery at 100pb-1
gluino mass ~550GeV

gluino mass ~650GeV

discovery at 1fb-1

2010年6月19日土曜日

Comparing with 14 TeV
cross section は10倍になる。
luminosity も１０倍を予定

2010年6月19日土曜日

ISR に配慮した分布の解析
Alwall, Hiramatsu, Nojiri, Shimizu (2009)

Events withhard ISR

jet level

pp → g̃g̃

g̃ → q̃ ∗ q → q q̄ χ̃01

• ISR could be a problem of the event reconstruction (especially for threebody decay

675.4 +/- 6.4 (imin. ge.3 )672.7+/- 3.5 (for all)• remove one of the jet and calculate kinematical variable greatly improve

2010年6月19日土曜日

mul=520GeV mgl=610GeV
MT2min (for i≧3)n100≧1 n50≧4-1
at 7TeV and 1fb
point 3

mass difference
is rather difficult tosee here

mul=735GeV
mgl=636 Gev
MT2min (for i≧3)★★

MT2minn200≧2★ ★

★

True squark/gluino mass

主な変更点* n200>2 のイベントの比率が多いときは、★★

3rd jet からminimization をする。
2010年6月19日土曜日

• gluino-> squark 2 high pt jet soft things from theother cascade.

• squark-> gluino (with some squark-> EW ino
leading very high pt jet)gluinosquarkgluinosmall butnonzeroBR(sq→χ)

three bodydecay

leading jet

LPS

2010年6月19日土曜日

squarkLPSISR effect is small for heavy squark mass because pT of the
decay products are large.
mgl=558GeV mul=825 GeV
MT2min7TeV 1fb-1
MT2

with x10 statistics
MT2min
MT2

★

★

★

★

using global shape probably more useful.

2010年6月19日土曜日

MT2(min) for mixed case
(14TeV, 60000 events)
MT2

MT2(min)
3
1
4
5

1

3
5

MT2 is more affected by ISR
gluino mass ~ MT2(min) end point.
Total SUSY cross section ⇄squark mass scale.
2010年6月19日土曜日

mgl=
612~652 GeV

Lepton mode

m1/2 (GeV/c2)

Figure 13: Estimated 95% C.L. exclusion limits for the all-hadronic SUSY search, expressed in mSUGRA parameter space.

500

generation as NG boson.
(arXiv1004.4164[hep-ph], Mandal,Nojiri,
Sudano, Yanagida )CMS Preliminary, s = 7 TeV
Observe 1 event in 100 pb-1

450

Observe 4 event in 1 fb-1
CDF Preliminary 3l (3.2 fb-1)

400• the large third generation scalar

D0 observed limit (2.3 fb-1)
LEP excluded regions

350• model with m1,m2<<m3 ex. first twomass⇄less constraint from B decay, higgs

mSugra: tanβ = 3, A = 0, (µ) > 00mass,...

300• DM constraint ⇄Higgs mass at GUT scale.

250
200

• Three DM consistent solution150

m1 =0 M1/2=300 GeV
200

300

400

500

600

700

800

900

1000

m0 (GeV/c2)

Figure 14: Estimated 95% C.L. exclusion limits for the like-sign dilepton SUSY search, expressed in mSUGRA−1parameter space. Figure
The 13:expectedmodellimits
backgroundat 100(1expressed
fb−1 ) inismSUGRA
0.4 (4.0)
events; we have
Estimated standard
95% C.L. exclusion
for the all-hadronic
SUSYpbsearch,
paramassumed an observed yield of 1 event (4 events) for the purpose of setting these exclusion limits.

•

eterExperimental
space.
reach based on leptons

s

as
m
s
gg

Hi

are not impressive
compared with jets.
11• We may focus on the models with large
lepton branching ratio (looking for a
key under the... )2010年6月19日土曜日

ẽ L
SP
L
ed
g
r
a
ch

ẽ R

µ

sγ

100

b→

0

DM search

100

Heavy third generation

m1/2 (GeV/c2)

Figure 13: Estimated 95% C.L. exclusion limits for the all-hadronic SUSY search, expressed in mSUGRA parameter space.

500

CMS Preliminary, s = 7 TeVwith bwithtau

2leptonuniversal

30%

16%

4%

heavy third
generation

3%2%

15~30%

Observe 1 event in 100 pb-1

450

Observe 4 event in 1 fb-1
-1

CDF Preliminary 3l (3.2 fb )

400

-1

D0 observed limit (2.3 fb )LEP excluded regions

350

mSugra: tanβ = 3, A = 0, (µ) > 0
0

300
250
200
150
100

0

100

200

300

400

500

600

700

800

900

1000

m0 (GeV/c2)

Figure 14: Estimated 95% C.L. exclusion limits for the like-sign dilepton SUSY search, expressed in mSUGRA−1parameter space. Figure
The 13:expectedmodellimits
backgroundat 100(1expressed
fb−1 ) inismSUGRA
0.4 (4.0)
events; we have
Estimated standard
95% C.L. exclusion
for the all-hadronic
SUSYpbsearch,
paramassumed an observed yield of 1 event (4 events) for the purpose of setting these exclusion limits.

eter space.

11• Experimental reach based on leptons are not impressive compared with jets.
• We may have to focus on the models with large lepton branching ratio (looking for a key
under the... )2010年6月19日土曜日

Little Higgs model, UED, more toy models.
400

MWH (GeV)

100

125

Mq_ (GeV) 750

1000

1250

!(pb)

with T partity.
fermion partners, and heavy EW gaugeboson partners

600

75

MAH (GeV)

SU(2)2 xU(1)2→ SU(2)xU(1)

500

700
150

800
175

1500

200

1750

1000
225

2000

1100

1200

1300

250

275

300

2500

2750

2250

10
+ -

q q
q -q q +q +

1

10

10

10

• The cross section is about factor
1/4 small for same squark grluino
mass.

900

10

10

14 TeV

-1

-2

-3

-4

-5

600

800

1000 1200 1400 1600 1800 2000

f(GeV)
5• ~ 600 GeV may be accessible,but
not acceptable with EW precision
measurements. no gluion partner

4

where q + = {u− , c− , d¯− , s̄− } and q − = {ū− , c̄− , d− , s− }. The solid curve presents the pr

R = λ1 /λ2• factor 1/10 at 7 TeV

FIG. 6: The first and second generation heavy T-odd quark production cross sections at+ +cross section of heavy quark pairs with positive charges (q−q− ), dashed curve is for the pr3R− −of heavy quark pairs with negative charges (q−q− ) and dot-dashed curve is for the prod

+ −heavy quark pairs with opposite-sign charges (q−q− ). The corresponding masses of the n2particles relevant to the production processes under consideration are listed in the top m

Excluded by EW data

the figure, corresponding to the respective f values at the bottom.
1

as well as the rate of single T-even heavy top quark associatively produced with
500

750

mT− = λ2 f

2010年6月19日土曜日

1000

1250

1500

1750

2000

quarks as a function of f . The T-odd fbottom(GeV)quark pair production rate is also gi

T-odd heavy
singletin top
quark
pairs
(T− T̄− ) havelargestsectioFigure The
9: Exclusion
contours
termsof theparameter
R = theλ1 /λthe symm
2 and crossbreaking
f . Thecontributionof the T-odd
to theT parameterinclu
curve)scalebecausein the
LHT, considered
here,fermions
the T-odd
heavysinglet topisquark
assuming that it has the maximal size consistent with the constraint from four-fermi inactions, Eq. (3.41). From lightest to darkest, the contours correspond to the 95, 99,

UED model and “partner spins”(for SUSY 600 GeV, sq sq 21% sq gl 40% gl gl 12% )toy UED model with large mass splitting
16

σ(q1q1)~4pb

σ(q1gl) ~3pb

Figure 4. Strong production of n = 1 KK particles at the LHC for√s = 7 TeV: (a) KK-

quark pair production; (b) KK-quark/KK-gluon associated production and KK-gluon pair
production. The cross sections have been summed over all quark flavors and also include
charge-conjugated contributions such as Q1 q̄1 , Q̄1 q1 , g1 Q̄1 , etc. We use CTEQ6L parton
distributions [91] and choose the scale of the strong coupling constant αs to be equal to theparton level center of mass energy.

• Our analytic formulas for decay widths agree with the expressions given in [14, 15, 20].
2010年6月19日土曜日• Our implementation was used for the analytic calculation of all (co)annihilation cross-Durh, in LHCPP

tools
Implemented models
CalcHep

HerwigMadGraph

SherpaWhizard

SM

!c

!c

!c

!c

cMSSM

!c

!c
!c

!c

!c

!c

MSSM

!c

!c

!c

!c

NMSSM

!c
!c

!c

!c

!c

!c

2HDM

!c

!c

!c

!c

!c

UED

!c

!c

!c

!c

!c

ADD

!c

Technicolor• Still many model missing/private... how to make thempublic..?

Freitag, 4. Juni 20102010年6月19日土曜日

Exisotic

2010年6月19日土曜日

distinct
signature• Exploit
Heavy Stable Charged Particles! low velocity, high momentum
to identify
candidates
low velocity,
high momentum!dE/dx

TeV
resultscaled7 TeV! !10usemuontimingandto
trackerdE/dx to identify candidates! Probing 0.5 TeV with 100 pb-1
! 10 TeV result scaled to 7 TeV! Probing 0.5 TeV with 100 pb-1•

Side-note! dE/dx commissioned!
! Kaons, protons and deuterons• the latter is not present in MC...

CMS NOTE-2010/008

Luminosity (pb-1) for 95% C.L. exclusion

distinct signature•!Exploit
use muon timing and tracker

CMS NOTE-2010/00

CMS Preliminary
EXO-08-003 scaled to s =7 TeV

103

102

10

Gluino
1

Stop

10-1
100

200

300

400

500

600

700

Mass
(GeV)
95% C.L. exclusion limit for
HSCP
searches
at 7TeV
Mass reconstruction
from tracker dE/dx

95% C.L. exclusion limit for HSCP searches
at 7TeVF. Ronga (ETH Zurich) – Planck 2010 – June 3, 2010
F. Ronga (ETH Zurich) – Planck 2010 – June 3, 20102010年6月19日土曜日

16
16

distinct
signature• Exploit
Exploitdistinctsignature
Heavy Stable Charged Particles! low velocity, high momentum
Exploitdistinctsignatureusemuon
timingand tracker!
timingand tracker! use muon
dE/dx
toidentify
candidates! low velocity, high momentum•

dE/dx to identify candidates
TeV
resultscaled7 TeV! !10usemuontimingandto
tracker
identify
resulttoscaled
tocandidates
7 TeV! 10 TeV dE/dx! Probing 0.5 TeV with 100 pb-1

TeV
resultscaled7 -1
TeV! 100.5
TeV
with
100topb! Probing! Probing 0.5 TeV with 100 pb-1•

Side-note!
• Side-note

dE/dx commissioned!

! Kaons, protons and deuterons! dE/dx commissioned!

!

the latter is not present in MC...
•
Kaons, protons and deuterons•

theZurich)latteris notin MC...
F. Ronga (ETH
– Planck
2010present– June 3, 2010
F. Ronga (ETH Zurich) – Planck 2010 – June 3, 2010

nga (ETH Zurich) – Planck 2010 – June 3, 20102010年6月19日土曜日

CMS NOTE-2010/008

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10Luminosity (pb-1) for 95% C.L. exclusion! low velocity, high momentum

Luminosity (pb-1) for 95% C.L. exclusion•

CMS NOTE-2010/0
NOTE-2010/00
CMS

CMS Preliminary
EXO-08-003 scaled to s =7 TeV

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GluinoGluino

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Mass
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Mass
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95% C.L. exclusion limit for
HSCP
searches

at 7TeV
Mass reconstruction
from tracker dE/dx

95%C.L.
C.L. exclusion
exclusion limit
forfor
HSCP
searches
95%
limit
HSCP
searches
at 7TeVat 7TeV
Mass reconstruction
from tracker dE/dx
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