Is the Higgs a visible particle?
نویسندگان
چکیده
منابع مشابه
Is the Higgs a visible particle ? ∗
We suggest that the Higgs might be unobservable as a free particle, due to its origin at a symmetry breaking mechanism. The standard model is kept intact, only the definition of the vacuum for the Higgs is changed. With the new (natural) definition, the Higgs propagator is half advanced and half retarded. This Green function is compatible with the absence of free particles.
متن کاملHidden Higgs Particle
A modification of the standard model of electroweak interactions with the nonlocal Higgs sector is proposed. Proper form of nonlocality makes Higgs particles unobservable after the elec-troweak symmetry breaking. They appear only as a virtual state because their propagator is an entire function. We discuss some specific consequences of this approach comparing it with the conventional standard m...
متن کاملVisible Supersymmetry Breaking and an Invisible Higgs
If there are multiple hidden sectors which independently break supersymmetry, then the spectrum will contain multiple goldstini. In this paper, we explore the possibility that the visible sector might also break supersymmetry, giving rise to an additional pseudogoldstino. By the standard lore, visible sector supersymmetry breaking is phenomenologically excluded by the supertrace sum rule, but t...
متن کاملHiggs particle detection using jets.
We study the possibility of detecting the Higgs boson in the intermediate mass range via its two jet channel. We consider only Higgs bosons produced in association with a t ¯ t pair. Both t and ¯ t are required to decay semileptoni-cally to reduce the QCD background. The signal is compared with the main background, t ¯ t + 2 jets, after appropriate cuts. A sizable signal above background is see...
متن کاملHiggs Particle Decays in Supersymmetry ∗
We present a detailed study of the decays of the Higgs bosons H+, H0, and A0 within the Minimal Supersymmetric Standard Model including SUSY–QCD corrections. We find that the supersymmetric modes t̃ ̄̃ b (t̃̄t̃, and for large tanβ b̃ ̄̃ b) can dominate the H+ (H0, A0) decays in a wide range of the model parameters due to the large Yukawa couplings and mixings of t̃ and b̃. Compared to the conventional mod...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Il Nuovo Cimento A
سال: 1997
ISSN: 0369-3546,1826-9869
DOI: 10.1007/bf03035887