STRONGLY-INTERACTING ELECTROWEAK SECTOR AT e − e − COLLIDERS ∗
نویسنده
چکیده
It has been pointed out that a TeV e−e− linear collider may be unique in probing new physics in the weak isospin I = 2 channel for the longitudinalWW scattering1,2 W− L W − L → W− L W− L . Even if there is no resonance in this channel, a stronglyinteracting electroweak sector (SEWS) may still yield a sufficiently large signal rate. However, the continuum standard model (SM) backgrounds are substantial and sophisticated kinematical cuts are needed to isolate the signal. On the other hand, as anticipated, an e−e− linear collider may achieve high polarization for the e− beams.3 This will lead to significant improvement for the signal since not only the signal rate will be enhanced but also some background processes can be suppressed by properly choosing the beam polarization. We study this question quantitatively in Sec. 2. Another attraction for an e−e− collider is the possibility of operating it in e−γ mode by the back-scattering of a low-energy laser beam.4 This may provide a unique opportunity to produce a heavy isosinglet vector state ωT in a strongly-interacting electroweak sector. We study the ωT signal and corresponding backgrounds in Sec. 3. We summarize our discussions in Sec. 4.
منابع مشابه
Probing the Electroweak Symmetry Breaking Mechanism at High Energy Colliders
We briefly review the recent developments of probing the electroweak symmetry breaking mechanism at high energy colliders such as the CERN LEP2, the Fermilab Tevatron, the CERN LHC and the e+e− linear colliders. Both weakly interacting and strongly interacting electroweak symmetry mechanisms are concerned.
متن کاملProbing strongly interacting electroweak dynamics through W+W-/ZZ ratios at future e+e- colliders.
متن کامل
Physics Goals of Aµ + Μ
This working group report focuses on the physics potential of µ + µ − colliders beyond what can be accomplished at linear e + e − colliders and the LHC. Particularly interesting possibilities include (i) s-channel resonance production to discover and study heavy Higgs bosons with ZZ and W W couplings that are suppressed or absent at tree-level (such as the H and A Higgs bosons of supersymmetric...
متن کاملA ug 1 99 7 A Strong Electroweak Sector with Decoupling at Low Energy
I discuss the possible symmetries of effective theories for spinless and spin one bosons, to concentrate on a model with vector and ax-ial vector strong interacting bosons possessing a discrete symmetry demanding degeneracy (degenerate BESS model, BESS standing for Breaking Electroweak Symmetry Strongly). The phenomenology at future hadron colliders is also presented.
متن کاملJa n 19 98 A Strong Electroweak Sector at Future μ + μ − Colliders 1
We discuss the prospects for detecting at a muon collider the massive new vector resonances V and light pseudo-Nambu-Goldstone bosons P of a typical strongly interacting electroweak sector (as represented by the BESS model). Expected sensitivities to V ’s at a high energy collider are evaluated and the excellent prospects for discovering P ’s via scanning at a low energy collider are delineated.
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره شماره
صفحات -
تاریخ انتشار 1998