$\mu_x$ boosted-bottom-jet tagging and Z′ boson searches

Pedersen, Keith; Sullivan, Zack

doi:10.1103/PhysRevD.93.014014

$\mu_x$ boosted-bottom-jet tagging and Z′ boson searches

Keith Pedersen
(
- IIT, Chicago
)
,
Zack Sullivan
(
- IIT, Chicago
)

Nov 18, 2015

10 pages

Published in:

Phys.Rev.D 93 (2016) 1, 014014

Published: Jan 14, 2016

e-Print:

1511.05990 [hep-ph]

DOI:

10.1103/PhysRevD.93.014014

Report number:

IIT-CAPP-15-05

View in:

pdf

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Abstract: (APS)

We present a new technique for tagging heavy-flavor jets with pT>500 GeV called “μx tagging.” Current track-based methods of b-jet tagging lose efficiency and experience a large rise in fake rate in the boosted regime. Using muons from B hadron decay, we combine angular information and jet substructure to tag b jets, c jets, light jets, and “light-heavy” jets (those containing B hadrons from gluon splitting). We find tagging efficiencies of εb=14%, εc=6.5%, εlight-light=0.14%, and εlight-heavy=0.5%, respectively, that are nearly independent of transverse momentum at high energy. We demonstrate the usefulness of this new scheme by examining the discovery potential for multi-TeV leptophobic Z′ bosons in the boosted-b-tagged dijet channel at the Large Hadron Collider.

Note:

22 pgs., 7 figs, several references added

heavy quark: jet
gluon: splitting
hadron: decay
energy: high
efficiency
transverse momentum
interpretation of experiments: CERN LHC Coll
lepton: coupling: low
structure
dijet

References(64)

Figures(9)

[1]

Searching for New Heavy Vector Bosons in $p \bar{p}$ Colliders

- Z.Phys.C 45 (1989) 109,
- Z.Phys.C 47 (1990) 676 (erratum)
•
DOI:
- 10.1007/BF01556677

[1]

Searching for New Heavy Vector Bosons in $p \bar{p}$ Colliders

- Z.Phys.C 45 (1989) 109,
- Z.Phys.C 47 (1990) 676 (erratum)
•
DOI:
- 10.1007/BF01556677

[2]

Left-Right Gauge Symmetry and an Isoconjugate Model of CP Violation

Rabindra N. Mohapatra
(
- Maryland U.
)
,
Jogesh C. Pati
(
- Maryland U.
)

- Phys.Rev.D 11 (1975) 566-571
•
DOI:
- 10.1103/PhysRevD.11.566

[3]

A Natural Left-Right Symmetry

R.N. Mohapatra
(
- City Coll., N.Y.
)
,
Jogesh C. Pati
(
- Maryland U.
)

- Phys.Rev.D 11 (1975) 2558
•
DOI:
- 10.1103/PhysRevD.11.2558

[4]

Exact Left-Right Symmetry and Spontaneous Violation of Parity

- Phys.Rev.D 12 (1975) 1502
•
DOI:
- 10.1103/PhysRevD.12.1502

[5]

$N=1$ Supergravity Within the Minimal Left-right Symmetric Model

Mirjam Cvetic
(
- Maryland U.
)
,
Jogesh C. Pati
(
- Maryland U.
)

- Phys.Lett.B 135 (1984) 57-62
•
DOI:
- 10.1016/0370-2693(84)90453-2

[6]

Low-Energy Phenomenology of Superstring Inspired E(6) Models

JoAnne L. Hewett
(
- Wisconsin U., Madison
)
,
Thomas G. Rizzo
(
- Ames Lab and
- Iowa State U.
)

- Phys.Rept. 183 (1989) 193
•
DOI:
- 10.1016/0370-1573(89)90071-9

[7]

The Phenomenology of extra neutral gauge bosons

A. Leike
(
- Munich U.
)

- Phys.Rept. 317 (1999) 143-250
•
e-Print:
- hep-ph/9805494
•
DOI:
- 10.1016/S0370-1573(98)00133-1

[8]

A Large mass hierarchy from a small extra dimension

Lisa Randall
(
- Princeton U. and
- MIT
)
,
Raman Sundrum
(
- Boston U.
)

- Phys.Rev.Lett. 83 (1999) 3370-3373
•
e-Print:
- hep-ph/9905221
•
DOI:
- 10.1103/PhysRevLett.83.3370

[9]

An Alternative to compactification

Lisa Randall
(
- Princeton U. and
- MIT, LNS
)
,
Raman Sundrum
(
- Boston U.
)

- Phys.Rev.Lett. 83 (1999) 4690-4693
•
e-Print:
- hep-th/9906064
•
DOI:
- 10.1103/PhysRevLett.83.4690

[10]

Limits on noncommuting extended technicolor

- Phys.Rev.D 53 (1996) 5258-5267
•
e-Print:
- hep-ph/9506427
•
DOI:
- 10.1103/PhysRevD.53.5258

[11]

Coupling-Mass Mapping of Dijet Peak Searches

Bogdan A. Dobrescu
(
- Fermilab
)
,
Felix Yu
(
- Fermilab
)

- Phys.Rev.D 88 (2013) 3, 035021,
- Phys.Rev.D 90 (2014) 7, 079901 (erratum)
•
e-Print:
- 1306.2629
•
DOI:
- 10.1103/PhysRevD.88.035021

[12]

Leptophobic Boson Signals with Leptons, Jets and Missing Energy

Bogdan A. Dobrescu
(
- Fermilab
)

e-Print:
- 1506.04435

[13]

Search for high-mass dilepton resonances in pp collisions at $\sqrt{s}=8$ TeV with the ATLAS detector

ATLAS

Collaboration

•

Georges Aad
(
- Marseille, CPPM
)

et al.

- Phys.Rev.D 90 (2014) 5, 052005
•
e-Print:
- 1405.4123
•
DOI:
- 10.1103/PhysRevD.90.052005

[14]

Search for physics beyond the standard model in dilepton mass spectra in proton-proton collisions at $\sqrt{s}=8$ TeV

CMS

Collaboration

•

Vardan Khachatryan
(
- Yerevan Phys. Inst.
)

et al.

- JHEP 04 (2015) 025
•
e-Print:
- 1412.6302
•
DOI:
- 10.1007/JHEP04(2015)025

[15]

Searches for New Physics using the $t\bar{t}$ Invariant Mass Distribution in pp Collisions at $\sqrt{s}$ =8 TeV

CMS

Collaboration

•

Serguei Chatrchyan
(
- Yerevan Phys. Inst.
)

et al.

- Phys.Rev.Lett. 111 (2013) 21, 211804,
- Phys.Rev.Lett. 112 (2014) 11, 119903 (erratum)
•
e-Print:
- 1309.2030
•
DOI:
- 10.1103/PhysRevLett.111.211804