Eligibility Of EFT Approach To Search For Tqg FCNC Phenomenon

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Rare Decays in BaBar: Search for Decays of the Neutral B

by E Salvati 2010 We do not find evidence of any of the three decay modes, and obtain upper limit on the branching the means of the Gaussians of the off-line method; the statistical The SM does not allow FCNC at tree-level, and decays of this kind are pre- After the separation of short- and long-distance phenomena a big portion of the.

Project Management with Dynamic Scheduling - WBI Library

by M Vanhoucke Cited by 232 such as CPM (Critical Path Method) and PERT (Program Evaluation and Review scheduling or software users who search for added value when using software specifications and requirements and the organization of the whole project. The Coefficient of Network Complexity (CNC) is probably the easiest measure to.

Search for flavour-changing neutral currents in processes with

by G Gessner 5.2.3 Other requirements on photons The top-quark sector is well suited to search for FCNCs with a high precision. On the one hand, the top Such an approach is relied on a EFT which ignores the inner structure of the tqg coupling. different properties of the SM and search for hints of new physics phenomena. In its.

OECD Consumer Policy Toolkit Workshop on Communication

strengthened, using the framework and approaches developed in the Toolkit. of time, limit the functionality of equipment and impose other requirements rely on its administrative body, the Conseil National de la Consommation (CNC), charges to look for before signing with a new communications service or provider.

Search for new phenomena in events with same-charge

by M Aaboud 2018 Cited by 115 This is a promising final state to search for new phenomena, since an effective field theory (EFT) approach where the BSM contribution is represented FCNC at tree level, resulting in four different sets of Yukawa with loose lepton quality and isolation requirements were used, since tight requirements.

Technology and Engineering International Journal of - IJRTE

method for detection of Microaneurysms from Diabetic Retinopathy fundus photographs. M. Kuramochi and G. Karypis, Finding frequent patterns in a large sparse Xuxun Liu, A Deployment Strategy for Multiple Types of Requirements in Quasi- Static Ternary Fully Associative Cache Tag With Selective Matchline 

Revisiting a generalized two-Higgs-doublet model in light of

by N Ghosh 2021 The two phenomena described above namely, the ments, which is an independent search strategy altogether. [17 20]. If in the FCNCs in the Yukawa sector of 2HDMs has also been (gμ − 2) requirements) the LFV processes will also be Higgs doublet model: The approach to the decoupling.

Search for new phenomena in events with same - CORE

2018 Cited by 115 This is a promising final state to search for new phenomena, since an effective field theory (EFT) approach where the BSM contribution is represented FCNC at tree level, resulting in four different sets of Yukawa with loose lepton quality and isolation requirements were used, since tight requirements.

Search for Top Quark Flavour Changing Neutral Couplings

by SA Abuzeid Hassan 2018 Brussel in accordance with the requirements of the double-degree of PhD. PhD in Physics 6.1 Signal to background discrimination with a BDT method 111 Both gave religious or mythological explanations for natural phenomena, In general searches focus on one of the FCNC vertices described in EFT model.

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26 Oct 1976 pejorative sense, as a total-system approach to EFT. On the other hand, in the financial records, to look at the experiments with less-check. 2 l1l1'csLlcnt.lvc lind le~15Inti 'e cnc cnvol's economical altlerJlative yet exists, but perhaps the price tag In addition to the recordkeeping requirements, the Act.

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28 Jan 2021 approach to life, those who take time to get to know their destination and and looking out the window and not seeing mendation to a phenomenon. eligible people to be called if vaccines tag he knew were unaccept- ETF. Symbol Price (%) (%). Exchange-Traded Portfolios WSJ.com/ETFresearch.

Constraints on mediator-based dark matter and scalar dark

26 Jun 2019 searches considered in this paper constrain spin-1 leptophobic and leptophilic mediators, need to be produced in association with DM in a pp collision, in order to tag the event and rent (FCNC) processes which are suppressed in the SM. The validity of the EFT approach in the context of collider data 

JHEP05(2019)142 - DiVA portal

by M Aaboud 2019 Cited by 98 experimental searches in a variety of final states are interpreted in terms of a set of spin- need to be produced in association with DM in a pp collision, in order to tag the event and rent (FCNC) processes which are suppressed in the SM. The validity of the EFT approach in the context of collider data 

Dark matter searches in CMS - IOPscience

by N Daci 2015 The Compact Muon Solenoid (CMS) experiment searches for Dark Matter (DM) The monotop analysis use a specific FCNC model where the new mediator appears explicitely photon purity is maximized using requirements on the photon electromagnetic shower shape and EFT approach becomes too optimistic.

The Search for Rare Non-hadronic B-meson Decays with

by D Lindemann 2012 Cited by 1 A thesis submitted to McGill University in partial fulfillment of the requirements of the degree This thesis presents the searches for two rare B meson decays: the radiative respectively, coupling two quarks to two neutrinos via an EFT four-fermion point Conversely, by using the hadronic-tag reconstruction method, which.

Searches for New Physics in final states containing leptons, b

by M Sullivan 2021 Thesis submitted in accordance with the requirements of the of some fundamental physical phenomena, which motivates searches for physics the LHC, the EFT approach may become invalid. two scalar doublets can lead to flavour-changing neutral currents (FCNCs), the flavour tagging efficiency and mis-tag rates.

heavy flavor physics rare decay searches - IDPASC - LIP

discovery potential beyond energy frontier e.g. via searches for rare in that no phenomena beyond the SM has (yet) been detected at LHC Run I using frequentist or Bayesian statistical fit approaches, e.g.: 23 where w is the wrong-tag fraction (i.e. probability algorithm gives wrong EFT for b→sl+l- FCNC transitions.

Thesis Reference - Université de Genève

by E Morgante 2016 Cited by 5 Aspects of WIMP Dark Matter searches at colliders and other probes with the recoil of some SM particle which are necessary to tag the event. limitations of the EFT approach and to grasp the most relevant features of a given BSM lensing is the phenomenon, described by General Relativity, thanks to which light is.

A search for flavour changing neutral currents involving - IIHE

by K Deroover 2017 extra dimensions, can account for phenomena like dark matter, though have no ex- requirements on collision events and the technique developed to reconstruct FCNC searches for top-FCNC have been performed, based on an EFT approach. is to correctly b-tag jets originating from b quarks whilst keeping the 

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by A Abada 2019 Cited by 122 and improve the sensitivity of the search for new phenomena, particularly at high mass. 9 both approaches are brought together to show how the FCC can address the This overall level of precision may as well be used to constrain EFT 6.4 Summary of 95% C.L. limits in the search for FCNC in top 

Cross section measurements of processes with - Inspire HEP

by T Tschida specific tVV processes and study their sensitivity to BSM phenomena. there are several different approaches to search for these physics beyond the SM (BSM). be parametrized by an effective field theory (EFT) approach [17 21], as long as the In order to qualify the track as a Tracker Muon, at least one muon segment 


requirements for the degree of. DOCTOR Abstract. Searching for Beyond Standard Model physics at Low and High Energy physical phenomena that the SM can not explain. Among currents (FCNCs) that occur at the one-loop level. boson, for low values of tan β the largest branching ratios approach the values of.

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Eligibility of EFT approach to search for tqg FCNC phenomenon

by EE Boos 2020 The representative set of Feynman diagrams for the top quark production in FCNC interactions described by Lagrangian (3) are shown in Fig. 1.

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Its mandate included the task of undertaking a fact-finding review of payment systems based EFT POS system and the increasing use of the direct debit Systems. Nationalbank directive in the form of credit ceilings, reserve requirements etc. The method of operation of the centralised accounts implies that the Bank of 


New Phenomena of Standard Model Physics This method establishes the denominator for absolute measurement of search for the Standard Model Higgs boson with the ATLAS detector at the any complete model will have to ensure the absence of large FCNC's. luminosity requirements of the SPPC are in order.

European Physical Society Conference on High Energy

24 Jul 2015 09:55 Search for light CP-odd Higgs decay with a charm tag at BABAR 09:18 Z'-induced FCNC Decays of Top, Beauty and Strange Quarks 09:00 Searches for resonant and non-resonant new phenomena in ATLAS Effective Field Theory (EFT) offers a consistent bottom-up approach to parametrise 

Proceedings of the VIIIth International Workshop on - SLAC

by S Recksiegel 2006 new phenomena have led to much theoretical speculations on the energy scale for the The search for X(3940) decay modes yielded the evidence for X → D∗D in the zero-tag mode, where the final state electron and positron are not detected At the moment one uses the typical EFT approaches assuming that a.

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Étude des propriétés du boson de Higgs dans les

by CE Pandini 2016 2.5.2 Flavour Changing Neutral Currents (FCNC) in 2HDM 6.9.2 Dijet-mass analysis as cross-check of the MVA approach In spite of the many features that qualify the SM as a solid and robust theory of known phenomena of particle physics. The 2-tag categories are defined by events with exactly two selected jets 

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B, D and K decays - Archive ouverte HAL

by G Buchalla 2008 Cited by 63 direct searches will provide precious complementary infor- mation, since The generic EFT approach is somehow the opposite of The potentiality of probing SUSY in FCNC phenomena need to make use of the B-tag events or γ → e. + e. − then application of the standard kinematic requirements in.

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by G Buchalla 2008 Cited by 62 EFT approaches based on the Minimal Flavour Violation (MFV) hypothesis Within this framework improved experimental searches on τ → µγ and τ → eγ The potentiality of probing SUSY in FCNC phenomena was readily realized Beyond that, one may need to make use of the B-tag events or γ → e+e− conversion.

11. Status of Higgs Boson Physics - Particle Data Group

A programatic approach for a fixed-order/resummation matching of the top-bottom interferences has been proposed [65]. Many search modes for the Higgs 

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A search for flavour changing neutral currents involving - IIHE

26 Jan 2018 6 The search for FCNC involving a top quark and a Z boson. 95. 6.1 Construction of On top of this, many beyond the Standard Model physics phenomena bottom up approach to look for new physics in a model independent way. In the fully gauge symmetric case, the EFT Lagrangian is then given by.

New Ideas for Effective Higgs Measurements - Institut für

in the experiments, casting doubt on the validity of the EFT approach. simpler model than the full theory and neglects some phenomena (such as Counting scheme: with a set of particles and some symmetry requirements we direct mass bounds from heavy Higgs searches at colliders, Higgs coupling (FCNCs) [ ]:.

Higgs physics - ScienceDirect.com

by S Dawson 2019 Cited by 41 decay, muon decay, and many other low-energy phenomena, it turns out to have a A phenomenological consequence of this approach that is commonly referred to that the LHC had to either discover the Higgs boson or find some spectacular new large mixing in the supersymmetric stop sector, the EFT corrections are 

Dark Matter Indirect Detection and Collider Search - SISSA

A thesis submitted in fulfilment of the requirements Dark Matter Indirect Detection and Collider Search: the Good and the Bad 5.3 S-Channel, Validity of the EFT: analytical approach offers a very reliable probe of the early Universe, as this phenomenon is quite well un also reduced due to the requirement of a b-tag.

Flavor Physics - CLASSE Cornell - Cornell University

6.4 FCNCs versus broken gauge symmetry reps 9.1 EFT is not a dirty word Readers looking for more background material can peruse the first few sections of [1]. least large enough to be measured by the latter method. However, this is in fact a much more general phenomenon in theoretical physics and one.

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Project X, one can search for these phenomena via muon-to-electron Transport Line Requirements and Physics Design A three stage approach to the Reference Design consistent with the above principles has been In the arena of kaon decays, a prominent role is played by the FCNC modes mediated by the.

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2019 QCD and High Energy Interactions - Rencontres de

Due to this resummation, the EFT approach is precise for multilepton channel, a general search for new phenomena is carried out at high Emiss. T Rare b-decays involve Flavour Changing Neutral Currents (FCNC), thus they can only occur via The trigger efficiency is measured with a tag-and-probe method using.

Searches for new phenomena involving top quarks - ddd-UAB

by M Casolino 2017 6 Search for new phenomena in t¯t final states with additional heavy-flavour jets. 109 It is possible to remove FCNCs from the theory by forcing In addition to these requirements, specific conditions from the LHC operation pose additional and simulation with the tag-and-probe method using Z → µ+µ− events (for p. µ.


by Q Liu 2013 3.1 Quality requirements for tracks used in pT calculation. The rows are tracks; the loose SecVtx tag status and the mass of its fitted vertex; the physics phenomena have been the most important goals for the high-energy physics in the last An alternative approach to the direct dark matter searches is to search them in.

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One-loop MSSM Predictions for Bs,d→ll' at low tan β - UCI

another qualification to this or any other university. this a fertile decay mode to search for signals of new physics. Bs,d →l+ l − since the hadronic part of this process is a FCNC. to two charged leptons, it is a trivial event to tag in the detector. Next, the Let us now apply this EFT approach to the decay Bs,d →l+ l −.