... The Higgs boson production mechanisms considered in this analysis are gluon fu- sion and b-associated ...the Higgsbosons are computed with Feyn- Higgs [50, 51, ...
... SM Higgs boson in the τ τ channel [35] is similar to that described ...and Higgs boson mass ranges. Additionally, the three Higgsbosons of the MSSM, which can have different masses, are ...
... charged Higgsbosons, in which doubly charged Higgsbosons are pair ...these Higgsbosons decay exclusively into e ± e ± , e ± µ ± or µ ± µ ± pairs, 95% CL lower mass ...
... momentum (E T miss ), b-quark-initiated jets, a hadronically decaying W boson, and the ab- sence of any isolated electrons or muons with high transverse momenta. In addition to the large branching ratio for a τ to decay ...
... doubly-charged Higgsbosons (H ±± ) as part of an extended Higgs sector where a triplet of Higgsbosons is present ...neutral Higgs boson, charged and doubly-charged Higgs ...
... charged Higgs boson masses in the range 90–140 GeV. For charged Higgs boson masses below 110 GeV, this analysis improves the previously published limits on B (t → bH + ), based on direct searches for ...
... Higgs boson production: The Higgs boson production mechanisms considered are gluon-fusion and b-associated production. The cross-sections for the first process have been calculated using HIGLU [25] and ...
... the Higgs boson ...two Higgs doublets of opposite hy- percharge are required, resulting in five observable Higgs ...-odd Higgs boson, m A , and the ratio of the vacuum expectation values of the ...
... charged Higgs boson to a τ lepton and a neutrino is 100%, this leads to upper limits on the branching ratio of top quark decays to a b quark and a charged Higgs boson between 5% and 1% for charged ...
... [5]. Higgsbosons in isospin triplet repre- sentations [6] have been studied, and are primarily moti- vated by a neutrino mass generation mechanism [7], for example, via spontaneous violation of lepton ...
... via loops involving vector bosons and other Higgsbosons (for a discussion see [6,10,11,24]). Thus in general one would expect a small Bh f ! f f even if fermiophobia were exact at tree-level. ...
... CP-odd Higgs mass squared is proportional to the effective zino mass and to the photino mass, normalized by both relevant gaugino ...and Higgsbosons mixing with sneutrinos in the other hand, are ...
... de Higgs extendido, que en caso exista, se tornar´ a uno de los principales objetivos de la f´ısica experimental de altas ...de Higgs extendido realmente exista, deber´ a mostrar su presencia cuando la ...
... de Higgs tipo III (THDM-III, por sus siglas en ...de Higgs, esto es, se permite la aparición de Corrientes Neutras que Cambian Sabor (FCNC, por sus siglas en inglés) mediadas por los bosones de ...
... de Higgs recibe correcciones a nivel de uno o mas lazos debidas a los bosones de norma y los fermiones, pero estas correcciones contienen divergencias cuadr´aticas que ocasionar´ıan que la masa del bos´on de ...
... Se trata de un campo de energía que abarca todo el cosmos y en el que interactúan todas las partículas. A partir de dicha interacción, unas partículas se vuelven distintas a otras; esa diferencia radica en su masa. ...
... Peter Higgs junto con otros cientificos, predijeron un mecanismo que explica el origen de la masa en las partículas elementales al que se le conoce como mecanismo de Higgs, requiere de un campo escalar y un ...
... de Higgs requiere un doblete complejo de campos escalares auto-interactuantes, con una interacci´ on renormalizable dispuesta de tal manera que la componente neutra del doblete es- calar adquiere un valor de ...
... En este cap´ıtulo describiremos el Modelo Est´ andar (ME). El ME es una teor´ıa que describe el comportamiento de las part´ıculas fundamentales, que se vio recientemente reforzada a partir del descubrimiento del ...
... Las matrices de Yukawa se pueden obtener a partir de simetr´ıas de sabor, discretas o continuas, locales o globales. Por medio del estudio de diversas se˜ nales experimentales es posible excluir algunos modelos, en ...