new physics / resonances / 15 in vector boson scattering...
TRANSCRIPT
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15
Jürgen R. Reuter, DESY
New Physics / Resonances in Vector Boson Scattering
at the LHC
w. EPJC [1807.02512] PRD93(16),3. 036004 [1511.00022], PRD91(15) 096007 [1408.6207] JHEP 0811.010 [0806.4145]
based on work with A. Alboteanu, S. Brass, C. Fleper, W. Kilian, T. Ohl, M. Sekulla
1
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15Vector Boson Scattering after the Higgs Discovery
• Discovery of a light Higgs boson leaves still open questions:
1. Nature of Electroweak Symmetry Breaking
2. Higgs boson potential, all the way like the Standard Model!?
3. Does “the Higgs” fulfill the US-fermion/Europe-boson rule?
4. Is the 125 GeV state the only resonance in the system of EW vector bosons?
5. How do EW vector bosons scatter? (true heart of weak interactions)
6. Is there something related to the Little Hierarchy problem (strong or weak)
7. Look for deviations in intricate cancellations of VBS amplitudes
2
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15
P1
P2
x1P1
x2P2
D(x1, Q2)
D(x2, Q2)
QCD
QCD
QGC
pp ! WWjj ! ``⌫⌫jj
3
VV Vjj VVjj VVV
Anatomy of Vector Boson Scattering (VBS)
Discovery for W+W+jj (electroweak production) ATLAS PRL 113(2014)14, 141803 [1405.6241] & 1611.02428; CMS PRL 114(2015), 051801 [1410.6315]
First limits on New Physics in pure electroweak gauge/Goldstone sector
4α
-0.4 -0.3 -0.2 -0.1 0 0.1 0.2 0.3 0.4
5α
-0.6
-0.4
-0.2
0
0.2
0.4
0.6ATLAS 20.3 fb-1, s = 8 TeV pp → W± W± jj K-matrix unitarization
68% CL95% CLexpected 95% CLStandard Model
confidence intervals
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15 4Anatomy of Vector Boson Scattering (VBS)
shown by Kenneth Long, Seoul, ICHEP 2018
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15 5More channels came/coming up …
1812.09740
pp → WZjj →lvlljj
pp → ZZjj →lllljj
PLB 774(2017) 682
PRL 120, 081801(2018)
pp → W+W+jj →lvlvjj
pp → WZjj →lljj + X
1901.04060
1905.07714
Philip Chang,plenary; Usama Hussain, parallel
24.5.
pp → WZjj →(l/v)(l/v)jjjj
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15 6Deviations as EFT — Dim 8 Operators
Mixed operators
Transversal operators
Longitudinal operators
Motivated by SMEFT: L = LSM +X
i
"c(5)i
⇤O
(5)i +
c(6)i
⇤2O
(6)i +
c(7)i
⇤3O
(7)i +
c(8)i
⇤4O
(8)i + · · ·
#
S. Weinberg, 1979 Buchmüller/Wyler, 1986
Grzadkowski/Iskrzysnki/Misiak/Rosiek, 2010
Eboli/Gonzalez-Garcia/Mizukoshi, 2006
Alboteanu/Kilian/JRR, 2008 Kilian/Ohl/JRR/Sekulla, 2014
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15 6Deviations as EFT — Dim 8 Operators
Mixed operators
Transversal operators
Longitudinal operators
Motivated by SMEFT: L = LSM +X
i
"c(5)i
⇤O
(5)i +
c(6)i
⇤2O
(6)i +
c(7)i
⇤3O
(7)i +
c(8)i
⇤4O
(8)i + · · ·
#
S. Weinberg, 1979 Buchmüller/Wyler, 1986
Grzadkowski/Iskrzysnki/Misiak/Rosiek, 2010
Eboli/Gonzalez-Garcia/Mizukoshi, 2006
Alboteanu/Kilian/JRR, 2008 Kilian/Ohl/JRR/Sekulla, 2014
Energy rise of operators lead to unitarity violation
Unitarity violation cancels between operators in UV-complete Theory
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15Procedures to treat unitarity violations
0 1 2 3 40.0
0.5
1.0
s êH4 p vL
†AHsL§
unitarity bound (0th partial wave) at ⇤C
no continuous transition beyond
Cut-off (a.k.a. “Event clipping”)
Effect on BDT training not clear
✓(⇤2C � s)
7
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15Procedures to treat unitarity violations
0 1 2 3 40.0
0.5
1.0
s êH4 p vL
†AHsL§
unitarity bound (0th partial wave) at ⇤C
no continuous transition beyond
Cut-off (a.k.a. “Event clipping”)
Effect on BDT training not clear
✓(⇤2C � s)
Form factor
0 1 2 3 40.0
0.5
1.0
s êH4 p vL
†AHsL§
Unitarity bound
Unitarity broken
Form factor
Bare1⇣1+ s
⇤FF
⌘n
Applicable for arbitrary operators, tuning in 2 parameters: n damps unitarity violation, ΛFF highest value to satisfy 0th partial wave
7
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15Procedures to treat unitarity violations
0 1 2 3 40.0
0.5
1.0
s êH4 p vL
†AHsL§
unitarity bound (0th partial wave) at ⇤C
no continuous transition beyond
Cut-off (a.k.a. “Event clipping”)
Effect on BDT training not clear
✓(⇤2C � s)
Form factor
0 1 2 3 40.0
0.5
1.0
s êH4 p vL
†AHsL§
Unitarity bound
Unitarity broken
Form factor
Bare1⇣1+ s
⇤FF
⌘n
Applicable for arbitrary operators, tuning in 2 parameters: n damps unitarity violation, ΛFF highest value to satisfy 0th partial wave
7
0 1 2 3 40.0
0.5
1.0
1.5
2.0
s êH4 p vL
†AHsL§
Saturation
K-Matrix
Bare
K-/T-matrix saturation
saturates amplitude [projection to unitarity circle], also for complex ampl., no additional parameters
Alboteanu/Kilian/JRR, 2008 Kilian/Ohl/JRR/Sekulla, 2014
��a� aK2
�� = aK2 ) a = 1
Re⇣
1a0
⌘�i
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15VBS diboson spectra
200 400 600 800 1000 1200 1400 1600 1800 2000M(W+W+)[GeV]
10�4
10�3
10�2
10�1
100
101
@�
@M
⇥fb
100G
eV
⇤
pp ! W+W+jj
FS,0 = 480 TeV�4
FS,1 = 480 TeV�4
FHD = 30 TeV�2
SM
General cuts: Mjj > 500GeV; �⌘jj > 2.4; pjT > 20GeV; |�⌘j | < 4.5
8
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15VBS diboson spectra
200 400 600 800 1000 1200 1400 1600 1800 2000M(W+W+)[GeV]
10�4
10�3
10�2
10�1
100
101
@�
@M
⇥fb
100G
eV
⇤
pp ! W+W+jj
FS,0 = 480 TeV�4
FS,1 = 480 TeV�4
FHD = 30 TeV�2
SM
General cuts: Mjj > 500GeV; �⌘jj > 2.4; pjT > 20GeV; |�⌘j | < 4.5
200 400 600 800 1000 1200 1400 1600 1800 2000M(W+W+)[GeV]
10�4
10�3
10�2
10�1
100
101
@�
@M
⇥fb
100G
eV
⇤
pp ! W+W+jj
FS,0 = 480 TeV�4
FS,1 = 480 TeV�4
FHD = 30 TeV�2
SM
8
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15VBS diboson spectra
200 400 600 800 1000 1200 1400 1600 1800 2000M(W+W+)[GeV]
10�4
10�3
10�2
10�1
100
101
@�
@M
⇥fb
100G
eV
⇤
pp ! W+W+jj
FS,0 = 480 TeV�4
FS,1 = 480 TeV�4
FHD = 30 TeV�2
SM
General cuts: Mjj > 500GeV; �⌘jj > 2.4; pjT > 20GeV; |�⌘j | < 4.5
200 400 600 800 1000 1200 1400 1600 1800 2000M(W+W+)[GeV]
10�4
10�3
10�2
10�1
100
101
@�
@M
⇥fb
100G
eV
⇤
pp ! W+W+jj
FS,0 = 480 TeV�4
FS,1 = 480 TeV�4
FHD = 30 TeV�2
SM
8
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15VBS diboson spectra
200 400 600 800 1000 1200 1400 1600 1800 2000M(W+W+)[GeV]
10�4
10�3
10�2
10�1
100
101
@�
@M
⇥fb
100G
eV
⇤
pp ! W+W+jj
FS,0 = 480 TeV�4
FS,1 = 480 TeV�4
FHD = 30 TeV�2
SM
General cuts: Mjj > 500GeV; �⌘jj > 2.4; pjT > 20GeV; |�⌘j | < 4.5
200 400 600 800 1000 1200 1400 1600 1800 2000M(W+W+)[GeV]
10�4
10�3
10�2
10�1
100
101
@�
@M
⇥fb
100G
eV
⇤
pp ! W+W+jj
FS,0 = 480 TeV�4
FS,1 = 480 TeV�4
FHD = 30 TeV�2
SM
8
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15VBS diboson spectra
200 400 600 800 1000 1200 1400 1600 1800 2000M(W+W+)[GeV]
10�4
10�3
10�2
10�1
100
101
@�
@M
⇥fb
100G
eV
⇤
pp ! W+W+jj
FS,0 = 480 TeV�4
FS,1 = 480 TeV�4
FHD = 30 TeV�2
SM
General cuts: Mjj > 500GeV; �⌘jj > 2.4; pjT > 20GeV; |�⌘j | < 4.5
200 400 600 800 1000 1200 1400 1600 1800 2000M(W+W+)[GeV]
10�4
10�3
10�2
10�1
100
101
@�
@M
⇥fb
100G
eV
⇤
pp ! W+W+jj
FS,0 = 480 TeV�4
FS,1 = 480 TeV�4
FHD = 30 TeV�2
SM
8
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15VBS diboson spectra
200 400 600 800 1000 1200 1400 1600 1800 2000M(W+W+)[GeV]
10�4
10�3
10�2
10�1
100
101
@�
@M
⇥fb
100G
eV
⇤
pp ! W+W+jj
FS,0 = 480 TeV�4
FS,1 = 480 TeV�4
FHD = 30 TeV�2
SM
General cuts: Mjj > 500GeV; �⌘jj > 2.4; pjT > 20GeV; |�⌘j | < 4.5
200 400 600 800 1000 1200 1400 1600 1800 2000M(W+W+)[GeV]
10�4
10�3
10�2
10�1
100
101
@�
@M
⇥fb
100G
eV
⇤
pp ! W+W+jj
FS,0 = 480 TeV�4
FS,1 = 480 TeV�4
FHD = 30 TeV�2
SM
8
Much more leeway for new physics in
transversal gauge bosons and di-Higgs
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15 9(In)Validity of (In)Effective Field Theories
Resonances in direct reach (not clear: strongly interacting models [e.g. 𝜎 resonance]
Estimate of operator coefficients (difficult for strongly coupled models)
Partial wave unitarity: gives guidance on maximally possible event numbers
Positivity constraints on operator coefficients
Size of coefficients: dichotomy between
validity and detectability
EFT better/best[?] suited in intensity
frontier [example: HEFT @ 𝓞(100 GeV)]
EFT borderline in VBS/energy frontier physics
M. Szłeper Operator coefficient
Cut
off s
cale
ASM⇥Adim-6 & |Adim-6|2 ASM⇥Adim-8 & |Adim-8|2 ASM⇥Adim-6 & ASM⇥Adim-8<latexit sha1_base64="E/w7tFHdPngAgCyFMjDQmu9Ogtc=">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</latexit><latexit sha1_base64="E/w7tFHdPngAgCyFMjDQmu9Ogtc=">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</latexit><latexit sha1_base64="E/w7tFHdPngAgCyFMjDQmu9Ogtc=">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</latexit><latexit sha1_base64="E/w7tFHdPngAgCyFMjDQmu9Ogtc=">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</latexit>
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15 Simplified signal models: generic resonancesRise of amplitude: is Taylor expansion below a resonanceResonances might be in direct reach of LHC EFT framework EW-restored regime: SU(2)L ⨉ SU(2)R , SU(2)L ⨉ U(1)Y gauged
Include EFT operators in addition (more resonances, continuum contribution)Apply T-matrix unitarization beyond resonance (“UV-incomplete” model)
Spins 0, 2 considered, Spin 1 has (partially) different physics (mixing with W/Z)
isoscalar isotensor
scalar �0���t ,��
t ,�0t ,�
+t ,�
++t
��v ,�
0v,�
+v
�0s
tensor f0
0
@X��
t , X�t , X0
t , X+t , X++
t
X�v , X0
v , X+v
X0s
1
A
. . . . . . . . .
11
Translation into Wilson coefficients below resonance
Courtesy: Jorge de Blas
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15Comparison: Simplified Models & EFT
Mjj > 500GeV; �⌘jj > 2.4; pjT > 20GeV; |�⌘j | < 4.5
Black dashed line: saturation of A22(W+W+)/A00(ZZ)
400 600 800 1000 1200 1400 1600 1800 2000M(ZZ)[GeV]
10�2
10�1
100
101
@�
@M
⇥fb
100G
eV
⇤
pp ! ZZjj
FS,1 = 12.3 TeV�4
F� = 4.0 TeV�1
SMlimit of A00
M� = 800GeV�� = 80GeV
• EFT fails at resonance
• aQGC describe rise of resonance
• Unitarization applied
• Tensor resonances better visible than scalars
Kilian/Ohl/JRR/Sekulla: PRD93(16),3. 036004 [1511.00022]
12
Brass/Fleper/Kilian/JRR/Sekulla: w. EPJC [1807.02512]
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15Comparison: Simplified Models & EFT
Mjj > 500GeV; �⌘jj > 2.4; pjT > 20GeV; |�⌘j | < 4.5
Black dashed line: saturation of A22(W+W+)/A00(ZZ)
400 600 800 1000 1200 1400 1600 1800 2000M(ZZ)[GeV]
10�2
10�1
100
101
@�
@M
⇥fb
100G
eV
⇤
pp ! ZZjj
FS,1 = 12.3 TeV�4
F� = 4.0 TeV�1
SMlimit of A00
M� = 800GeV�� = 80GeV
• EFT fails at resonance
• aQGC describe rise of resonance
• Unitarization applied
• Tensor resonances better visible than scalars
400 600 800 1000 1200 1400 1600 1800 2000M(W+W+)[GeV]
10�2
10�1
100
101
@�
@M
⇥fb
100G
eV
⇤
pp ! W+W+jj
FS,0 = 19.2 TeV�4FS,1 = -134.1 TeV�4
FX = 38.6 TeV�1
SMlimit of A22
MX = 1800GeV�X = 720GeV
Kilian/Ohl/JRR/Sekulla: PRD93(16),3. 036004 [1511.00022]
12
Brass/Fleper/Kilian/JRR/Sekulla: w. EPJC [1807.02512]
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15Comparison: Simplified Models & EFT
Mjj > 500GeV; �⌘jj > 2.4; pjT > 20GeV; |�⌘j | < 4.5
400 600 800 1000 1200 1400 1600 1800 2000M(ZZ)[GeV]
10�2
10�1
100
101
@�
@M
⇥fb
100G
eV
⇤
pp ! ZZjj
FS,1 = 12.3 TeV�4
F� = 4.0 TeV�1
SMlimit of A00
M� = 800GeV�� = 80GeV
• EFT fails at resonance
• aQGC describe rise of resonance
• Unitarization applied
• Tensor resonances better visible than scalars
400 600 800 1000 1200 1400 1600 1800 2000M(W+W+)[GeV]
10�2
10�1
100
101
@�
@M
⇥fb
100G
eV
⇤
pp ! W+W+jj
FS,0 = 19.2 TeV�4FS,1 = -134.1 TeV�4
FX = 38.6 TeV�1
SMlimit of A22
MX = 1800GeV�X = 720GeV
Kilian/Ohl/JRR/Sekulla: PRD93(16),3. 036004 [1511.00022]
12
Brass/Fleper/Kilian/JRR/Sekulla: w. EPJC [1807.02512]
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15Triple [multiple] Vector Boson Production ?
Relate to ?
Yes, same Feynman rule as in VBS, but …
one external W/Z/γ always far off-shell
Unitarization: work in progress (needs 2 ➝ 3 unitarizations, inelastic
channels) [Kilian/Kreher/JRR, w.i.p.]
Different Wilson coefficients dominate (particularly for resonances)
Important physics (partially) independent from VBS (“different fiducial vol.”)
13
➝ Philip Chang, plenary session, 24.05. Usama Hussain, parallel session, 24.05.
Markus Cristianziani, parallel/poster, 21./24.05.Evidence at ATLAS at 4𝜎 level: smallest SM cross section
1903.10415
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15Conclusions / Summary✦ Vector boson scattering a flagship measurement of Runs II/III (and FCC-hh !)
✦ EFT provides well-defined (and very limited) framework for SM deviations
✦ There is not really a true model-independent parameterization! ✦ Unitarization for theoretically sane description (allows reliable BDT analysis)✦ T-matrix unitarization universal scheme for EFT and resonances✦ Simplified models: generic electroweak resonances
✦ Limits from LHC still quite limited: 𝜦new physics ∼ 700–800 GeV
14
Fby M. Szłeper
by M.-A. Pleier
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15 15
7th Workshop on Multi-Boson Interactions
1. TU Dresden
2. BNL (Brookhaven Ntl. Lab)
3. DESY
4. U. of Wisconsin — Madison
5. KIT Karlsruhe
6. U. of Michigan — Ann Arbor
7. Aristotle U. Thessaloniki
August 26-28, 2019Aristotle U., Thessaloniki
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15
P1
P2
x1P1
x2P2
D(x1, Q2)
D(x2, Q2)
QCD
QCD
QGC
pp ! WWjj ! ``⌫⌫jj Backgrounds:
• tt ➝ WbWb • W + jets • single top, misreconstructed jet• WWjj QCD production • ll + X + Emiss (“prompt”)
• lljj tag• mjj > 500 GeV (“jet recoil”)• |Δyjj | > 2.4 (“rapidity distance”)• Cuts on Ej , pTj
• No mini jet vetoes
Fiducial phase space volume:
17
VV Vjj VVjj VVV
Anatomy of Vector Boson Scattering (VBS)
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15Differential spectra in VBSpp ! e+µ+⌫e⌫µjj
ps = 14TeV L = 1ab�1
Simulations with WHIZARD [http://whizard.hepforge.org, Kilian/Ohl/JRR]
18
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15Differential spectra in VBSpp ! e+µ+⌫e⌫µjj
ps = 14TeV L = 1ab�1
Simulations with WHIZARD [http://whizard.hepforge.org, Kilian/Ohl/JRR]
0.5 1.0 1.5 2.0 2.5 3.0��eµ
0
50
100
150
200
250
300
350
N
bare
unit
SM
500 1000 1500 2000Pl=e,µ |pT(l)|
100
101
102
103
104
N
bare
unit
SM
FHD = 30 TeV�2
18
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15Differential spectra in VBSpp ! e+µ+⌫e⌫µjj
ps = 14TeV L = 1ab�1
Simulations with WHIZARD [http://whizard.hepforge.org, Kilian/Ohl/JRR]
Mjj > 500GeV; �⌘jj > 2.4; pjT > 20GeV; |�⌘j | < 4.5; p`T > 20GeV
0.5 1.0 1.5 2.0 2.5 3.0��eµ
0
50
100
150
200
250
300
350
N
bare
unit
SM
500 1000 1500 2000Pl=e,µ |pT(l)|
100
101
102
103
104
Nbare
unit
SM
FS,0 = 480 TeV�4
18
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15Differential spectra in VBSpp ! e+µ+⌫e⌫µjj
ps = 14TeV L = 1ab�1
Simulations with WHIZARD [http://whizard.hepforge.org, Kilian/Ohl/JRR]
Mjj > 500GeV; �⌘jj > 2.4; pjT > 20GeV; |�⌘j | < 4.5; p`T > 20GeV
0.5 1.0 1.5 2.0 2.5 3.0��eµ
0
50
100
150
200
250
300
350
N
bare
unit
SM
500 1000 1500 2000Pl=e,µ |pT(l)|
100
101
102
103
104
N
bare
unit
SM
FS,1 = 480 TeV�4
18
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15How to get EFTs from New Physics✦ Consider effects from heavy states by using (known) low-energy d.o.f.s
H. Georgi, 1993
19
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15How to get EFTs from New Physics✦ Consider effects from heavy states by using (known) low-energy d.o.f.s
H. Georgi, 1993
✦ Integrating out heavy d.o.f.s marginalizes over details of short-distance interactions✦ Toy Example: two interacting scalar fields ',�
Path integralZ[j, J ] =
ZD[�]D['] exp
i
Zdx
⇣12 (@')
2� 12�(2+M2)���'2��. . .+J�+j'
⌘�
19
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15How to get EFTs from New Physics✦ Consider effects from heavy states by using (known) low-energy d.o.f.s
H. Georgi, 1993
✦ Integrating out heavy d.o.f.s marginalizes over details of short-distance interactions✦ Toy Example: two interacting scalar fields ',�
Path integralZ[j, J ] =
ZD[�]D['] exp
i
Zdx
⇣12 (@')
2� 12�(2+M2)���'2��. . .+J�+j'
⌘�
Completing the square (Gaussian integration)
�0 = �+�
M2
✓1 +
@2
M2
◆�1
'2 =)
19
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15How to get EFTs from New Physics✦ Consider effects from heavy states by using (known) low-energy d.o.f.s
H. Georgi, 1993
✦ Integrating out heavy d.o.f.s marginalizes over details of short-distance interactions✦ Toy Example: two interacting scalar fields ',�
Path integralZ[j, J ] =
ZD[�]D['] exp
i
Zdx
⇣12 (@')
2� 12�(2+M2)���'2��. . .+J�+j'
⌘�
Completing the square (Gaussian integration)
�0 = �+�
M2
✓1 +
@2
M2
◆�1
'2 =)
In the Lagrangian remove the high-scale d.o.f.s:
1
2(@�)2� 1
2M2�2��'2� = �1
2�0(M2 + @2)�0
| {z }+
�2
2M2'2
✓1 +
@2
M2
◆�1
'2
| {z }Irrelevant normalization
of the path integralTower of higher and
higher-dim. operators of light fields
19
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15
1. SM or weakly coupled physics (e.g. 2HDM): amplitude remains close to origin
2. Rising amplitude (at least one dim-8 operator): rise beyond unitarity circle [unphys.], strongly interacting regime
3. Inelastic channel opens (form-factor description): new channels open out, multi-boson final states
4. Saturation of amplitude: maximal amplitude, strongly interacting continuum, K-/T-matrix unitarization
5. New resonance: amplitude turns over
20
Im [aℓ]
Re [aℓ]
12
12
Im [aℓ]
Re [aℓ]
12
12
Im [aℓ]
Re [aℓ]
12
12
Im [aℓ]
Re [aℓ]
12
12
Im [aℓ]
Re [aℓ]
12
12
Scenarios for New Physics in VBS
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15Unitarity in vector boson scattering 21
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15Unitarity in vector boson scattering 21
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15Unitarity in vector boson scattering 21
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15Unitarity in vector boson scattering 21
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15Unitarity in vector boson scattering
Lee/Quigg/Thacker, 1973
21
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15Different unitarity projections
i2
i
a
aK
K-matrix: Cayley transform of S-matrix Heitler, 1941; Schwinger, 1949; Gupta, 1950
Stereographic projection to Argand circle
S = 1+iK/21�iK/2 aK(s) = a(s)
1�ia(s)
22
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15Different unitarity projections
i2
i
a
aK
K-matrix: Cayley transform of S-matrix Heitler, 1941; Schwinger, 1949; Gupta, 1950
Stereographic projection to Argand circle
S = 1+iK/21�iK/2 aK(s) = a(s)
1�ia(s)
Stereographic projection to Argand circle Formalism does a partial resummation of perturbative series need to construct (orig.) K-matrix as self-adjoint intermediate operator
Problems, if S-matrix non-diagonal, presence of non-perturbative contrib.
i2
i
a
aK
a0
22
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15Different unitarity projections
i2
i
a
aKaK2
T-matrix: Thales circle construction Kilian/Ohl/JRR/Sekulla, 2014
Defined via ��a� aK
2
�� = aK2 ) a = 1
Re⇣
1a0
⌘�i
i2
i
a
aK
K-matrix: Cayley transform of S-matrix Heitler, 1941; Schwinger, 1949; Gupta, 1950
Stereographic projection to Argand circle
S = 1+iK/21�iK/2 aK(s) = a(s)
1�ia(s)
Stereographic projection to Argand circle Formalism does a partial resummation of perturbative series need to construct (orig.) K-matrix as self-adjoint intermediate operator
Problems, if S-matrix non-diagonal, presence of non-perturbative contrib.
i2
i
a
aK
a0
22
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15Different unitarity projections
i2
i
a
aKaK2
T-matrix: Thales circle construction Kilian/Ohl/JRR/Sekulla, 2014
Defined via ��a� aK
2
�� = aK2 ) a = 1
Re⇣
1a0
⌘�i
i2
i
a
aK
K-matrix: Cayley transform of S-matrix Heitler, 1941; Schwinger, 1949; Gupta, 1950
Stereographic projection to Argand circle
S = 1+iK/21�iK/2 aK(s) = a(s)
1�ia(s)
Stereographic projection to Argand circle Formalism does a partial resummation of perturbative series need to construct (orig.) K-matrix as self-adjoint intermediate operator
Problems, if S-matrix non-diagonal, presence of non-perturbative contrib.
i2
i
a
aK
a0
Identical to K matrix for real amplitudesPoints on Argand circle left invariantDoes not rely on perturbation theoryApplicable for amplitudes with imaginary parts (models with resonances)
12
1
aT = aS
a0a02
Im [a]
Re [a]
22
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15Different unitarity projections
i2
i
a
aKaK2
T-matrix: Thales circle construction Kilian/Ohl/JRR/Sekulla, 2014
Defined via ��a� aK
2
�� = aK2 ) a = 1
Re⇣
1a0
⌘�i
i2
i
a
aK
K-matrix: Cayley transform of S-matrix Heitler, 1941; Schwinger, 1949; Gupta, 1950
Stereographic projection to Argand circle
S = 1+iK/21�iK/2 aK(s) = a(s)
1�ia(s)
Stereographic projection to Argand circle Formalism does a partial resummation of perturbative series need to construct (orig.) K-matrix as self-adjoint intermediate operator
Problems, if S-matrix non-diagonal, presence of non-perturbative contrib.
i2
i
a
aK
a0
Identical to K matrix for real amplitudesPoints on Argand circle left invariantDoes not rely on perturbation theoryApplicable for amplitudes with imaginary parts (models with resonances)
12
1
aT = aS
a0a02
Im [a]
Re [a]
i2
i
aS
a0
aT
22
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15Complete LHC process at 14 TeV
0 500 1000 1500 2000
M (e+, e�, µ+, µ�) [GeV]
0
50
100
150
200
250
N
pp ! e+e�µ+µ�jj at 3 ab�1
Ff = 17.4 TeV�1
SM
Mf = 1.0TeV
23
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15 24Remark on alternative unitarizations
• Independent Amplitude Method (IAM) [Truong, 1988; Dobado/Herrero/Truong, 1990]
• Padé Method [Padé, 1890; Basdevant/Lee, 1970]
• N/D method [Chew/Mandelstam, 1960]
• Focus on correct descriptions of certain explicit (known) resonance channels • Tied to chiral perturbation theory and QCD ⇒ more model-dependence
• Unitarization is not a tool to predict resonances
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15 24Remark on alternative unitarizations
• Independent Amplitude Method (IAM) [Truong, 1988; Dobado/Herrero/Truong, 1990]
• Padé Method [Padé, 1890; Basdevant/Lee, 1970]
• N/D method [Chew/Mandelstam, 1960]
• Focus on correct descriptions of certain explicit (known) resonance channels • Tied to chiral perturbation theory and QCD ⇒ more model-dependence
• Unitarization is not a tool to predict resonances
Unitarization of operators
Evaluate modified Feynman rules off-shell
Scale that is used for the diboson system in s-channel setups: psV V
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Clebsch-Gordan decomposition into spin–isospin eigenamplitudes
Amplitudes should be modified only in s–channel configurations
J.R.Reuter New Physics in VBS @ LHC LHCP 2019, Puebla, 24.5.19
/ 15 25
ij
0 1 2 �
-6 -2 � 52 0 0 0 0 0 0 + + + +
0 0 0 0 0 0 0 � 25 � 4
5 � 12 + � + �
0 0 0 0 0 0 � 25 � 4
5 � 12 + � � +
� 223 � 14
3 � 116 0 0 0 � 2
15 � 415 � 1
30 + + � �0 0 0 0 0 0 0 0 0 + + + +
1 0 0 0 0 0 0 25 � 1
5 0 + � + �0 0 0 0 0 0 � 2
515 0 + � � +
0 0 0 23 � 1
316 0 0 0 + + � �
0 -2 -1 0 0 0 0 0 0 + + + +2 0 0 0 0 0 0 � 2
5 � 15 � 1
5 + � + �0 0 0 0 0 0 � 2
5 � 15 � 1
5 + � � +� 4
3 � 83 � 1
3 0 0 0 � 215 � 1
15 � 130 + + � �
c0 c1 c2 c0 c1 c2 c0 c1 c2<latexit sha1_base64="QWacn/REX8RgQkhflS1m8v0bEV0=">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</latexit><latexit sha1_base64="QWacn/REX8RgQkhflS1m8v0bEV0=">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</latexit><latexit sha1_base64="QWacn/REX8RgQkhflS1m8v0bEV0=">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</latexit><latexit sha1_base64="QWacn/REX8RgQkhflS1m8v0bEV0=">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</latexit>
Use spin-isospin eigenamplitudes exclusive in helicities:
Can be obtained by using Wigner’s d-functions [Wigner, 1931]
AIJ(s;�) =
Z 0
�s
dt
sAI(s, t, u;�) · dJ�,�0
arccos
✓1 + 2
t
s
◆�
<latexit sha1_base64="/hiKVD+x0f7ZftSss/cUXrR+A0o=">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</latexit><latexit sha1_base64="/hiKVD+x0f7ZftSss/cUXrR+A0o=">AAACuHicbVFNa9wwEJXdr9T9yKY99iK6FDbtdrEXSkpLIWkvTU4pdJOA5XVlWfaKyLKRxoVF+DcWeuu/qezdQJtkQMzTmxmN5k3WSGEgDP94/p279+4/2HkYPHr85OnuaO/ZmalbzfiC1bLWFxk1XArFFyBA8otGc1plkp9nl1/6+PlPro2o1XdYNzypaKlEIRgFR6WjXyTjpVCWSlGq111AKgorRqU96lJ7fNJNzEeS1TI368o5S6R7Oqfd/iciFKT2remWISk0ZTaHzpouOEqPJ2YK0/b2OkxYXgPOlyfpFTnd+iVptKh4RyQvICZUM1abYLhNojfzTZehCdGiXMH+xiUB4Sq/GiAdjcNZOBi+CaItGKOtnaaj3ySvWVtxBUxSY+IobCCxVINgkjtBWsMbyi5pyWMHFa24SewgfIdfOSbHRa3dUYAH9t8KSyvTK+Aye13N9VhP3haLWyjeJ1aopgWu2KZR0UoMNe63iHOhOQO5doAyLdxfMVtRJxC4XQdOhOj6yDfB2XwWhbPo23x8+Hkrxw56gV6iCYrQATpEX9EpWiDmvfNiL/e4/8H/4Ze+2KT63rbmOfrPfP0Xh1naUA==</latexit><latexit sha1_base64="/hiKVD+x0f7ZftSss/cUXrR+A0o=">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</latexit><latexit sha1_base64="/hiKVD+x0f7ZftSss/cUXrR+A0o=">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</latexit>
� = (�1,�2,�3,�4)<latexit sha1_base64="fU5COVy6N2CutGBEnZJTIZtZkU8=">AAACKnicbZDLSsNAFIYn9VbrLerSzWArVJCSVEE3QtWNywr2Ak0Ik8mkHTq5MDMRSujzuPFV3HShFLc+iJM2Fq0eGObjP+dn5vxuzKiQhjHVCiura+sbxc3S1vbO7p6+f9AWUcIxaeGIRbzrIkEYDUlLUslIN+YEBS4jHXd4l/U7T4QLGoWPchQTO0D9kPoUI6kkR7+pWG7EPDEK1AUtppwegtfVnBzz7JvqCzpf0MVppeToZaNmzAr+BTOHMsir6egTy4twEpBQYoaE6JlGLO0UcUkxI+OSlQgSIzxEfdJTGKKACDudrTqGJ0rxoB9xdUIJZ+pPR4oCkS2jJgMkB2K5l4n/9XqJ9K/slIZxIkmI5w/5CYMygllu0KOcYMlGChDmVP0V4gHiCEuVbhaCubzyX2jXa6ZRMx/q5cZtHkcRHIFjUAUmuAQNcA+aoAUweAav4A28ay/aRJtqH/PRgpZ7DsGv0j6/AHqvpWE=</latexit><latexit sha1_base64="fU5COVy6N2CutGBEnZJTIZtZkU8=">AAACKnicbZDLSsNAFIYn9VbrLerSzWArVJCSVEE3QtWNywr2Ak0Ik8mkHTq5MDMRSujzuPFV3HShFLc+iJM2Fq0eGObjP+dn5vxuzKiQhjHVCiura+sbxc3S1vbO7p6+f9AWUcIxaeGIRbzrIkEYDUlLUslIN+YEBS4jHXd4l/U7T4QLGoWPchQTO0D9kPoUI6kkR7+pWG7EPDEK1AUtppwegtfVnBzz7JvqCzpf0MVppeToZaNmzAr+BTOHMsir6egTy4twEpBQYoaE6JlGLO0UcUkxI+OSlQgSIzxEfdJTGKKACDudrTqGJ0rxoB9xdUIJZ+pPR4oCkS2jJgMkB2K5l4n/9XqJ9K/slIZxIkmI5w/5CYMygllu0KOcYMlGChDmVP0V4gHiCEuVbhaCubzyX2jXa6ZRMx/q5cZtHkcRHIFjUAUmuAQNcA+aoAUweAav4A28ay/aRJtqH/PRgpZ7DsGv0j6/AHqvpWE=</latexit><latexit sha1_base64="fU5COVy6N2CutGBEnZJTIZtZkU8=">AAACKnicbZDLSsNAFIYn9VbrLerSzWArVJCSVEE3QtWNywr2Ak0Ik8mkHTq5MDMRSujzuPFV3HShFLc+iJM2Fq0eGObjP+dn5vxuzKiQhjHVCiura+sbxc3S1vbO7p6+f9AWUcIxaeGIRbzrIkEYDUlLUslIN+YEBS4jHXd4l/U7T4QLGoWPchQTO0D9kPoUI6kkR7+pWG7EPDEK1AUtppwegtfVnBzz7JvqCzpf0MVppeToZaNmzAr+BTOHMsir6egTy4twEpBQYoaE6JlGLO0UcUkxI+OSlQgSIzxEfdJTGKKACDudrTqGJ0rxoB9xdUIJZ+pPR4oCkS2jJgMkB2K5l4n/9XqJ9K/slIZxIkmI5w/5CYMygllu0KOcYMlGChDmVP0V4gHiCEuVbhaCubzyX2jXa6ZRMx/q5cZtHkcRHIFjUAUmuAQNcA+aoAUweAav4A28ay/aRJtqH/PRgpZ7DsGv0j6/AHqvpWE=</latexit><latexit sha1_base64="fU5COVy6N2CutGBEnZJTIZtZkU8=">AAACKnicbZDLSsNAFIYn9VbrLerSzWArVJCSVEE3QtWNywr2Ak0Ik8mkHTq5MDMRSujzuPFV3HShFLc+iJM2Fq0eGObjP+dn5vxuzKiQhjHVCiura+sbxc3S1vbO7p6+f9AWUcIxaeGIRbzrIkEYDUlLUslIN+YEBS4jHXd4l/U7T4QLGoWPchQTO0D9kPoUI6kkR7+pWG7EPDEK1AUtppwegtfVnBzz7JvqCzpf0MVppeToZaNmzAr+BTOHMsir6egTy4twEpBQYoaE6JlGLO0UcUkxI+OSlQgSIzxEfdJTGKKACDudrTqGJ0rxoB9xdUIJZ+pPR4oCkS2jJgMkB2K5l4n/9XqJ9K/slIZxIkmI5w/5CYMygllu0KOcYMlGChDmVP0V4gHiCEuVbhaCubzyX2jXa6ZRMx/q5cZtHkcRHIFjUAUmuAQNcA+aoAUweAav4A28ay/aRJtqH/PRgpZ7DsGv0j6/AHqvpWE=</latexit>
� = �1 � �2 �0 = �3 � �4<latexit sha1_base64="8v+/Gf0r3Vb1G2INMv7ubdPTmJU=">AAACMnicbVBLSwMxGMzWV62vVY9egq3gxbJbBb0IRS96q2Af0F2XbDZtQ7MPk6xQlv4mL/4SwYMeFPHqjzDbbou2DoQMM/ORfONGjAppGK9abmFxaXklv1pYW9/Y3NK3dxoijDkmdRyykLdcJAijAalLKhlpRZwg32Wk6fYvU7/5QLigYXArBxGxfdQNaIdiJJXk6Ncli6m0h86z2zGPJqxSgtZ9jDw4ydxZEac+mUaPp9GTUsHRi0bZGAHOEzMjRZCh5ujPlhfi2CeBxAwJ0TaNSNoJ4pJiRoYFKxYkQriPuqStaIB8IuxktPIQHijFg52QqxNIOFJ/TyTIF2LguyrpI9kTs14q/ue1Y9k5sxMaRLEkAR4/1IkZlCFM+4Me5QRLNlAEYU7VXyHuIY6wVC2nJZizK8+TRqVsGmXzplKsXmR15MEe2AeHwASnoAquQA3UAQaP4AW8gw/tSXvTPrWvcTSnZTO74A+07x8EaajD</latexit><latexit sha1_base64="8v+/Gf0r3Vb1G2INMv7ubdPTmJU=">AAACMnicbVBLSwMxGMzWV62vVY9egq3gxbJbBb0IRS96q2Af0F2XbDZtQ7MPk6xQlv4mL/4SwYMeFPHqjzDbbou2DoQMM/ORfONGjAppGK9abmFxaXklv1pYW9/Y3NK3dxoijDkmdRyykLdcJAijAalLKhlpRZwg32Wk6fYvU7/5QLigYXArBxGxfdQNaIdiJJXk6Ncli6m0h86z2zGPJqxSgtZ9jDw4ydxZEac+mUaPp9GTUsHRi0bZGAHOEzMjRZCh5ujPlhfi2CeBxAwJ0TaNSNoJ4pJiRoYFKxYkQriPuqStaIB8IuxktPIQHijFg52QqxNIOFJ/TyTIF2LguyrpI9kTs14q/ue1Y9k5sxMaRLEkAR4/1IkZlCFM+4Me5QRLNlAEYU7VXyHuIY6wVC2nJZizK8+TRqVsGmXzplKsXmR15MEe2AeHwASnoAquQA3UAQaP4AW8gw/tSXvTPrWvcTSnZTO74A+07x8EaajD</latexit><latexit sha1_base64="8v+/Gf0r3Vb1G2INMv7ubdPTmJU=">AAACMnicbVBLSwMxGMzWV62vVY9egq3gxbJbBb0IRS96q2Af0F2XbDZtQ7MPk6xQlv4mL/4SwYMeFPHqjzDbbou2DoQMM/ORfONGjAppGK9abmFxaXklv1pYW9/Y3NK3dxoijDkmdRyykLdcJAijAalLKhlpRZwg32Wk6fYvU7/5QLigYXArBxGxfdQNaIdiJJXk6Ncli6m0h86z2zGPJqxSgtZ9jDw4ydxZEac+mUaPp9GTUsHRi0bZGAHOEzMjRZCh5ujPlhfi2CeBxAwJ0TaNSNoJ4pJiRoYFKxYkQriPuqStaIB8IuxktPIQHijFg52QqxNIOFJ/TyTIF2LguyrpI9kTs14q/ue1Y9k5sxMaRLEkAR4/1IkZlCFM+4Me5QRLNlAEYU7VXyHuIY6wVC2nJZizK8+TRqVsGmXzplKsXmR15MEe2AeHwASnoAquQA3UAQaP4AW8gw/tSXvTPrWvcTSnZTO74A+07x8EaajD</latexit><latexit sha1_base64="8v+/Gf0r3Vb1G2INMv7ubdPTmJU=">AAACMnicbVBLSwMxGMzWV62vVY9egq3gxbJbBb0IRS96q2Af0F2XbDZtQ7MPk6xQlv4mL/4SwYMeFPHqjzDbbou2DoQMM/ORfONGjAppGK9abmFxaXklv1pYW9/Y3NK3dxoijDkmdRyykLdcJAijAalLKhlpRZwg32Wk6fYvU7/5QLigYXArBxGxfdQNaIdiJJXk6Ncli6m0h86z2zGPJqxSgtZ9jDw4ydxZEac+mUaPp9GTUsHRi0bZGAHOEzMjRZCh5ujPlhfi2CeBxAwJ0TaNSNoJ4pJiRoYFKxYkQriPuqStaIB8IuxktPIQHijFg52QqxNIOFJ/TyTIF2LguyrpI9kTs14q/ue1Y9k5sxMaRLEkAR4/1IkZlCFM+4Me5QRLNlAEYU7VXyHuIY6wVC2nJZizK8+TRqVsGmXzplKsXmR15MEe2AeHwASnoAquQA3UAQaP4AW8gw/tSXvTPrWvcTSnZTO74A+07x8EaajD</latexit>
A0(s, t, u;�)<latexit sha1_base64="JZkwW7BaOpRepr7seSFzUeTiv5g=">AAACFXicbVBNS8MwGE79nPOr6tFLcBMmjNHuouBl6sXjBPcBaxlpmm5haVqSVBilf8KLf8WLB0W8Ct78N6ZbD7r5QsjD87xv8j6PFzMqlWV9Gyura+sbm6Wt8vbO7t6+eXDYlVEiMOngiEWi7yFJGOWko6hipB8LgkKPkZ43ucn13gMRkkb8Xk1j4oZoxGlAMVKaGpr1qhMiNcaIpVfZ0KrJuqonl44XMV9OQ32lDtOv+Sg7q5aHZsVqWLOCy8AuQAUU1R6aX44f4SQkXGGGpBzYVqzcFAlFMSNZ2UkkiRGeoBEZaMhRSKSbzlxl8FQzPgwioQ9XcMb+nkhRKPMddWduQS5qOfmfNkhUcOGmlMeJIhzPPwoSBlUE84igTwXBik01QFhQvSvEYyQQVjrIPAR70fIy6DYbttWw75qV1nURRwkcgxNQAzY4By1wC9qgAzB4BM/gFbwZT8aL8W58zFtXjGLmCPwp4/MHQmCeOQ==</latexit><latexit sha1_base64="JZkwW7BaOpRepr7seSFzUeTiv5g=">AAACFXicbVBNS8MwGE79nPOr6tFLcBMmjNHuouBl6sXjBPcBaxlpmm5haVqSVBilf8KLf8WLB0W8Ct78N6ZbD7r5QsjD87xv8j6PFzMqlWV9Gyura+sbm6Wt8vbO7t6+eXDYlVEiMOngiEWi7yFJGOWko6hipB8LgkKPkZ43ucn13gMRkkb8Xk1j4oZoxGlAMVKaGpr1qhMiNcaIpVfZ0KrJuqonl44XMV9OQ32lDtOv+Sg7q5aHZsVqWLOCy8AuQAUU1R6aX44f4SQkXGGGpBzYVqzcFAlFMSNZ2UkkiRGeoBEZaMhRSKSbzlxl8FQzPgwioQ9XcMb+nkhRKPMddWduQS5qOfmfNkhUcOGmlMeJIhzPPwoSBlUE84igTwXBik01QFhQvSvEYyQQVjrIPAR70fIy6DYbttWw75qV1nURRwkcgxNQAzY4By1wC9qgAzB4BM/gFbwZT8aL8W58zFtXjGLmCPwp4/MHQmCeOQ==</latexit><latexit sha1_base64="JZkwW7BaOpRepr7seSFzUeTiv5g=">AAACFXicbVBNS8MwGE79nPOr6tFLcBMmjNHuouBl6sXjBPcBaxlpmm5haVqSVBilf8KLf8WLB0W8Ct78N6ZbD7r5QsjD87xv8j6PFzMqlWV9Gyura+sbm6Wt8vbO7t6+eXDYlVEiMOngiEWi7yFJGOWko6hipB8LgkKPkZ43ucn13gMRkkb8Xk1j4oZoxGlAMVKaGpr1qhMiNcaIpVfZ0KrJuqonl44XMV9OQ32lDtOv+Sg7q5aHZsVqWLOCy8AuQAUU1R6aX44f4SQkXGGGpBzYVqzcFAlFMSNZ2UkkiRGeoBEZaMhRSKSbzlxl8FQzPgwioQ9XcMb+nkhRKPMddWduQS5qOfmfNkhUcOGmlMeJIhzPPwoSBlUE84igTwXBik01QFhQvSvEYyQQVjrIPAR70fIy6DYbttWw75qV1nURRwkcgxNQAzY4By1wC9qgAzB4BM/gFbwZT8aL8W58zFtXjGLmCPwp4/MHQmCeOQ==</latexit><latexit sha1_base64="JZkwW7BaOpRepr7seSFzUeTiv5g=">AAACFXicbVBNS8MwGE79nPOr6tFLcBMmjNHuouBl6sXjBPcBaxlpmm5haVqSVBilf8KLf8WLB0W8Ct78N6ZbD7r5QsjD87xv8j6PFzMqlWV9Gyura+sbm6Wt8vbO7t6+eXDYlVEiMOngiEWi7yFJGOWko6hipB8LgkKPkZ43ucn13gMRkkb8Xk1j4oZoxGlAMVKaGpr1qhMiNcaIpVfZ0KrJuqonl44XMV9OQ32lDtOv+Sg7q5aHZsVqWLOCy8AuQAUU1R6aX44f4SQkXGGGpBzYVqzcFAlFMSNZ2UkkiRGeoBEZaMhRSKSbzlxl8FQzPgwioQ9XcMb+nkhRKPMddWduQS5qOfmfNkhUcOGmlMeJIhzPPwoSBlUE84igTwXBik01QFhQvSvEYyQQVjrIPAR70fIy6DYbttWw75qV1nURRwkcgxNQAzY4By1wC9qgAzB4BM/gFbwZT8aL8W58zFtXjGLmCPwp4/MHQmCeOQ==</latexit>
Extract all partial waves:
Aij(s;�)/(g4s2) =
(c0FT0 + c1FT1 + c2FT2)<latexit sha1_base64="dPB1DegmIomJcGVmkY5S6eONCSU=">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</latexit><latexit sha1_base64="dPB1DegmIomJcGVmkY5S6eONCSU=">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</latexit><latexit sha1_base64="dPB1DegmIomJcGVmkY5S6eONCSU=">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</latexit><latexit sha1_base64="dPB1DegmIomJcGVmkY5S6eONCSU=">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</latexit>
Braß/Fleper/Kilian/JRR/Sekulla, 1807.02512
Unitarization of [transverse] operators