Study Of The Rare Decays Of B 0 S And B 0 Into Muon Pairs From Data Collected During The Lhc Run 1 With The Atlas Detector

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New Physics Frontiers In The Lhc 2 Era The Proceedings Of The 54th Course Of The International School Of Subnuclear Physics

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Author : Antonino Zichichi
language : en
Publisher: World Scientific
Release Date : 2019-06-24

New Physics Frontiers In The Lhc 2 Era The Proceedings Of The 54th Course Of The International School Of Subnuclear Physics written by Antonino Zichichi and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-06-24 with Science categories.

In June 2016, a group of 167 physicists from 31 countries have met in Erice to participate in the 54th Course of the International School of Subnuclear Physics. The main focus of this year's course has been the new frontiers of Physics in the LHC-2 Era and in all labs the world over, as well as the new frontiers in related fields.

Searching For New Physics In B Sl L Transitions At The Lhcb Experiment

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Author : Luca Pescatore
language : en
Publisher: Springer
Release Date : 2017-10-04

Searching For New Physics In B Sl L Transitions At The Lhcb Experiment written by Luca Pescatore and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-10-04 with Science categories.

This thesis presents two analyses of semileptonic b → sl+l− decays using Flavour Changing Neutral Currents (FCNCs) to test for the presence of new physics and lepton flavour universality, and the equality of couplings for different leptons, which on the basis of experimental evidence is assumed to hold in the Standard Model, free from uncertainties as a result of knowledge of the hadronic matrix elements. It also includes the angular analysis of Lambda_b->Lambda mumu decay and the RK* measurement, both of which are first measurements, not yet performed by any other experiment.

Study Of The Rare Decays Of B 0 S And B 0 Into Muon Pairs From Data Collected During The Lhc Run 1 With The Atlas Detector

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Author :
language : en
Publisher:
Release Date : 2016

Study Of The Rare Decays Of B 0 S And B 0 Into Muon Pairs From Data Collected During The Lhc Run 1 With The Atlas Detector written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.

Here, a study of the decays B0s 2![mu]+[mu]- and B0 2![mu]+[mu]- has been performed using data corresponding to an integrated luminosity of 25 fb-1 of 7 and 8 TeV proton-proton collisions collected with the ATLAS detector during the LHC Run 1. For the B0 dimuon decay, an upper limit on the branching fraction is set at B(B0 2![mu]+[mu]- )

Progress And Visions In Quantum Theory In View Of Gravity

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Author : Felix Finster
language : en
Publisher: Springer Nature
Release Date : 2020-04-09

Progress And Visions In Quantum Theory In View Of Gravity written by Felix Finster and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-04-09 with Science categories.

This book focuses on a critical discussion of the status and prospects of current approaches in quantum mechanics and quantum field theory, in particular concerning gravity. It contains a carefully selected cross-section of lectures and discussions at the seventh conference “Progress and Visions in Quantum Theory in View of Gravity” which took place in fall 2018 at the Max Planck Institute for Mathematics in the Sciences in Leipzig. In contrast to usual proceeding volumes, instead of reporting on the most recent technical results, contributors were asked to discuss visions and new ideas in foundational physics, in particular concerning foundations of quantum field theory. A special focus has been put on the question of which physical principles of quantum (field) theory can be considered fundamental in view of gravity. The book is mainly addressed to mathematicians and physicists who are interested in fundamental questions of mathematical physics. It allows the reader to obtain a broad and up-to-date overview of a fascinating active research area.

Cern Courier

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Author :
language : en
Publisher:
Release Date : 2013

Cern Courier written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Nuclear energy categories.

Drengen Der Blev Mission R

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Author :
language : en
Publisher:
Release Date : 1939

Drengen Der Blev Mission R written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1939 with categories.

Limits On Rare B Decays B Yields Mu Sup Mu Sup Minus K Sup And B Yields Mu Sup Mu Sup Minus K Sup 0

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Author :
language : en
Publisher:
Release Date : 2001

Limits On Rare B Decays B Yields Mu Sup Mu Sup Minus K Sup And B Yields Mu Sup Mu Sup Minus K Sup 0 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.

The authors report on a search for flavor-changing neutral current decays of B mesons B[yields][mu][sup+][mu][sup[minus]]K[sup[+-]] and B[yields][mu][sup+][mu][sup[minus]]K*[sup 0] using data obtained in the Collider Detector at Fermilab (CDF) 1992--1993 data taking run. To reduce the amount of background in the data the authors use precise tracking information from the CDF silicon vertex detector to pinpoint the location of the decay vertex of the B candidate, and accept only events which have a large decay time. They compare this data to a B meson signal obtained in a similar fashion, but where the muon pairs originate from[psi] decays, and calculate the relative branching ratios. In absence of any indication of flavor-changing neutral current decays they set an upper limits of BR(B[yields][mu][sup+][mu][sup[minus]]K[sup[+-]])

Search For B S D Rightarrow Mu Mu Decays With 10 Fb Of P Overline P Collisions

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Author :
language : en
Publisher:
Release Date : 2013

Search For B S D Rightarrow Mu Mu Decays With 10 Fb Of P Overline P Collisions written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.

A search for the rare decays of B$^0$$_s$→ [mu]+ [mu]- and B$^0$$_d$ → + [mu]+ [mu]- is presented in p$\bar{p}$ collisions at √s=1.96 TeV corresponding to 10 fb-1 of integrated luminosity collected by the CDF II detector. The observed number of B$^0$$_d$ candidates is consistent with background-only expectations and yields an upper limit on the branching fraction B(B$^0$$_d$ → [mu]+ [mu]-) of 4.2 x 10-9 at 95% confidence level. An excess is observed for the B0s signal region. The probability that background processes alone could produce such an excess or larger is 0.94%. The probability that the combination of background and the expected standard model rate B$^0$$_s$ → [mu]+ [mu]- could produce such an excess or larger is 6.8%. These data are used to determine a central value of B(B$^0$$_s$ → [mu]+ [mu]-) = (1:3+0.9 -0.7) 10-8 as well as a two sided limit at 90% C.L. of 2:2 10-9

Search For B S And B To Dimuon Decays In Pp Collisions At 7 Tev

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Author :
language : en
Publisher:
Release Date : 2011

Search For B S And B To Dimuon Decays In Pp Collisions At 7 Tev written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.

A search for the rare decays B(s) to dimuons and B0 to dimuons is performed in pp collisions at sqrt(s)=7 TeV, with a data sample corresponding to an integrated luminosity of 1.14 inverse femtobarns, collected by the CMS experiment at the LHC. In both cases, the number of events observed after all selection requirements is consistent with expectations from background and standard-model signal predictions. The resulting upper limits on the branching fractions are B(B(s) to mu+̂ mu-̂)

Study Of The B C 2 J Psi D S And B C 2 J Psi D S Decays With The Atlas Detector

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Author :
language : en
Publisher:
Release Date : 2016

Study Of The B C 2 J Psi D S And B C 2 J Psi D S Decays With The Atlas Detector written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.

The decays B+c → J/[Psi]D+s and B+c → J/[Psi]D*s+ are studied with the ATLAS detector at the LHC using a dataset corresponding to integrated luminosities of 4.9 and 20.6 fb-1 of pp collisions collected at centre-of-mass energies √s = 7 TeV and 8 TeV, respectively. Furthermore, signal candidates are identified through J/[psi] → [mu]+[mu]- and D(*)+s → [Phi][pi]+([gamma]/[pi]0) decays.