Searches for new neutral gauge Z' bosons at the e{sup +}e{sup -} International Linear Collider and their identification

Journal Article · Sat May 15 00:00:00 EDT 2010 · Physics of Atomic Nuclei

DOI:https://doi.org/10.1134/S1063778810050054· OSTI ID:21426732

Karpenko, N V ^[1]

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1. Pavel Sukhoi Gomel State Technical University, ICTP (Abdus Salam International Centre for Theoretical Physics, Trieste, Italy) Affiliated Centre (Belarus)

The potential of the electron-positron International Linear Collider for searches for and the separation of signals induced by new neutral gauge bosons predicted by various classes of models featuring an extended gauge sector is investigated. The analysis presented in this article was performed for processes of annihilation fermion-pair production and was based on the use of differential polarization observables, which ensure a higher sensitivity (in relation to integrated observables) of the processes being considered to Z'-boson parameters. Thresholds for discovering and identifying new neutral gauge bosons associated with models belonging to the E{sub 6} and LR, as well as the ALR and SSM, classes are determined. In particular, it is shown that polarization experiments at a 0.5-TeV electron-positron collider of integrated luminosity 100 fb{sup -1} would make it possible to identify unambiguously the entire set of Z'-boson models (Z'{sub SSM}, Z'{sub {phi}}, Z'{sub {eta}}, Z'{sub {chi}}, Z'{sub LRS}, and Z'{sub ALR}) for M{sub Z'} < 6{radical}s and to improve considerably the respective estimates expected from experiments with unpolarized particles.

• OSTI ID: 21426732
• Journal Information: Physics of Atomic Nuclei, Vol. 73, Issue 5; Other Information: DOI: 10.1134/S1063778810050054; Copyright (c) 2010 Pleiades Publishing, Ltd.; ISSN 1063-7788
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANNIHILATION
ELECTRON-POSITRON COLLISIONS
GAUGE INVARIANCE
LINEAR COLLIDERS
LUMINOSITY
PAIR PRODUCTION
POLARIZATION
SENSITIVITY
TEV RANGE
Z NEUTRAL BOSONS
ACCELERATORS
BOSONS
COLLISIONS
ELECTRON COLLISIONS
ELEMENTARY PARTICLES
ENERGY RANGE
INTERACTIONS
INTERMEDIATE BOSONS
INTERMEDIATE VECTOR BOSONS
INVARIANCE PRINCIPLES
LINEAR ACCELERATORS
OPTICAL PROPERTIES
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
PHYSICAL PROPERTIES
POSITRON COLLISIONS