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Higgs Physics

General data

Course ID: 1102-684
Erasmus code / ISCED: 13.205 Kod klasyfikacyjny przedmiotu składa się z trzech do pięciu cyfr, przy czym trzy pierwsze oznaczają klasyfikację dziedziny wg. Listy kodów dziedzin obowiązującej w programie Socrates/Erasmus, czwarta (dotąd na ogół 0) – ewentualne uszczegółowienie informacji o dyscyplinie, piąta – stopień zaawansowania przedmiotu ustalony na podstawie roku studiów, dla którego przedmiot jest przeznaczony. / (0533) Physics The ISCED (International Standard Classification of Education) code has been designed by UNESCO.
Course title: Higgs Physics
Name in Polish: Higgs Physics (Mechanizm Higgsa)
Organizational unit: Faculty of Physics
Course groups: Courses in English
ECTS credit allocation (and other scores): (not available) Basic information on ECTS credits allocation principles:
  • the annual hourly workload of the student’s work required to achieve the expected learning outcomes for a given stage is 1500-1800h, corresponding to 60 ECTS;
  • the student’s weekly hourly workload is 45 h;
  • 1 ECTS point corresponds to 25-30 hours of student work needed to achieve the assumed learning outcomes;
  • weekly student workload necessary to achieve the assumed learning outcomes allows to obtain 1.5 ECTS;
  • work required to pass the course, which has been assigned 3 ECTS, constitutes 10% of the semester student load.

view allocation of credits
Language: English
Prerequisites (description):

(in Polish) Wymagana znajomość mechaniki kwantowej i wstępnych wiadomości z teorii cząstek elementarnych.

Mode:

Classroom

Short description:

Higgs mechanism, which is implemented in the Standard Model and its extensions, exploits the idea of the spontaneous electroweak symmetry breaking.

Full description:

Mass generation is still an open problem of the particle physics. A widely accepted Higgs mechanism, which is implemented in the Standard Model, exploits the idea of the spontaneous electroweak symmetry breaking. This mechanism leads to the consistent description of physical processes, gives masses to the gauge bosons W and Z, as well as to the fermions and predicts an existence of the neutral spin-0 particle - the Higgs boson. In the extensions of the Standard Model, like the Minimal Supersymmetric Standard Model, more Higgs bosons are expected - also the charged ones. A real hunting for Higgs boson(s) at all colliders is going on, and there is a clear strategy how to perform it at future experiments. The aim of this lecture is to introduce the Higgs mechanism in the Standard Model and beyond, and to give an overview of the present statues of "hunting" at the LEP, TEVATRON as well as expectations for the LHC and the planned ILC experiments.

Plan:

Symmetries and symmetry breaking

Standard Model of the Electroweak Interaction

Symmetry of the sigma model

The fermions in the Standard Model (for $n_g$ generations)

General properties of the CKM matrix (for $n_g$ generations)

Weak-basis invariants and CP-violation (for $n_g$ generations)

Gauge interaction of scalars

Self-interaction of scalars

Low energy theorem for the Higgs particles in the SM

Problems of the SM and a need of the extension

Multi-Higgs Doublet Models ($n_d$ - number of doublets)

Minimal Supersymmetric Standard Model (MSSM)

Fenomenological constraints on the Higgs sector in SM, MSSM and 2HDM.

Description by Maria Krawczyk, November 2010

Bibliography:

1. Collider Physics V. Barger, R. Phillips

2. Higgs Sector (CERN Note 1994) M. Veltman

3. CP violation - G. Branco et al.

4. An informal introduction to gauge field theories - I. Aitchison

5. scientific publications

Learning outcomes: (in Polish)

WIEDZA

1. zna mechanizm spontanicznego łamania symetrii dyskretnej i ciągłej

2. zna mechanizm spontanicznego łamania symetrii cechowania

3. zna Model Standardowy

4. zna sektor Higgsa w Modelu Standardowym i w modelach z wieloma dubletami Higgsa

5. zna własności cząstek Higgsa w różnych modelach

UMIEJĘTNOŚCI

1. umie policzyć amplitudę rozpraszania bozonów Goldstona

2. umie sprawdzić łamanie symetrii kombinowanej CP w modelach w wieloma dubletami Higgsa

3. umie zastosować twierdzenia niskoenergetyczne dla cząstki Higgsa

POSTAWY

1. Poznaje metody badawcze stosowane w teorii cząstek elementarnych, w tym stosowalność brzytwy Ockhama

2. Umie rozróżnić wagę różnych hipotez i nie ulegać "modzie" popularnych modeli

Assessment methods and assessment criteria: (in Polish)

1. kolokwium

2. opracowanie jednego tematu

3. egzamin pisemny z całości

This course is not currently offered.
Course descriptions are protected by copyright.
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