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Related papers: Hints for leptonic CP violation or New Physics?

200 papers

We study the possibility of identifying the CP violating phases in the PMNS mixing matrix in the lepton sector and also that in the CKM mixing matrix in the quark sector with the phase responsible for the spontaneous CP violation in the…

High Energy Physics - Phenomenology · Physics 2011-03-21 Xiao-Gang He , Lu-Hsing Tsai

A kinetic mixing term, which generalizes the duality symmetry of Dirac, is studied in a theory with two photons (visible and hidden). This theory can be either CP conserving or CP violating depending on the transformation of fields in the…

High Energy Physics - Phenomenology · Physics 2017-03-08 P. Arias , A. K. Das , J. Gamboa , F. Mendez

We explore the possibility of using CP violation in B decays to detect the presence of physics beyond the Standard Model. We first study the possibility of new physics in the $B-\bar B$ mixing amplitude. We discuss a construction to extract…

High Energy Physics - Phenomenology · Physics 2007-05-23 Mihir P. Worah

These proceedings introduce the main techniques and ideas for a systematic effective field theory analysis of CP violation in the charged lepton sector. This study is required because the Standard Model of particle physics predicts a very…

High Energy Physics - Phenomenology · Physics 2022-09-21 Giovanni Marco Pruna

In the minimal left-right symmetric model with spontaneous CP violation, there are only two intrinsic CP violating phases to account for all CP violation in both the quark and lepton sectors. In addition, the left-and right-handed Majorana…

High Energy Physics - Phenomenology · Physics 2008-11-26 Mu-Chun Chen , K. T. Mahanthappa

We present a classification of possible parametrizations of the 3x3 lepton flavor mixing matrix in terms of the rotation and phase angles. A particular parametrization, which is most convenient to describe the observables of neutrino…

High Energy Physics - Phenomenology · Physics 2014-11-17 Harald Fritzsch , Zhi-zhong Xing

After reviewing the general framework to study EPR-like neutrino oscillations, we derive expressions for the oscillation probabilities and a direct measure of CP violation. We compare the possibility of studying CP violation in this case…

High Energy Physics - Phenomenology · Physics 2009-10-30 M K Samal

CP violation in top physics is reviewed. The Standard Model has negligible effects, consequently CP violation searches involving the top quark may constitute the best way to look for physics beyond the Standard Model. Non-standard sources…

High Energy Physics - Phenomenology · Physics 2009-09-25 David Atwood , Shaouly Bar-Shalom , Gad Eilam , Amarjit Soni

It is shown that the vector current contribution of neutrino interaction with electrons in ion gives rise to oscillating component, which is absent for the axial-vector contribution, when a single neutrino is detected in the recently…

High Energy Physics - Phenomenology · Physics 2016-08-03 T. Asaka , M. Tanaka , M. Yoshimura

Effects of the lightest neutrino mass in "flavoured" leptogenesis when the CP-violation necessary for the generation of the baryon asymmetry of the Universe is due exclusively to the Dirac and/or Majorana phases in the neutrino mixing…

High Energy Physics - Phenomenology · Physics 2009-07-22 E. Molinaro , S. T. Petcov , T. Shindou , Y. Takanishi

We investigate effects of non-zero Dirac and Majorana CP violating phases on neutrino-antineutrino oscillations in a magnetic field of astrophysical environments. It is shown that in the presence of strong magnetic fields and dense matter,…

High Energy Physics - Phenomenology · Physics 2021-06-30 Artem Popov , Alexander Studenikin

We study the CP violation effects from two types of neutrino mass matrices with (i) $(M_\nu)_{ee}=0$, and (ii) $(M_\nu)_{ee}=(M_\nu)_{e\mu}=0$, which can be realized by the high dimensional lepton number violating operators $\bar…

High Energy Physics - Phenomenology · Physics 2016-01-20 Chao-Qiang Geng , Da Huang , Lu-Hsing Tsai

Thank to the stable operation at intense beam power, T2K data with neutrino-mode operation almost doubled in one year. A number of critical improvements to the oscillation analysis have been introduced and resulted in an unprecedented level…

High Energy Physics - Experiment · Physics 2018-05-16 S. V. Cao

We discuss the sensitivity of the CP violating measurements at the upcoming B factories to the presence of physics beyond the Standard Model. We review the three manifestations of CP violation possible in the B meson system. We give…

High Energy Physics - Phenomenology · Physics 2007-05-23 Mihir P. Worah

One of the main goals of the Long Baseline Neutrino Observatory (LBNO) is to study the $L/E$ behaviour (spectral information) of the electron neutrino and antineutrino appearance probabilities, in order to determine the unknown CP-violation…

High Energy Physics - Phenomenology · Physics 2014-12-02 LBNO Collaboration , S. K. Agarwalla , L. Agostino , M. Aittola , A. Alekou , B. Andrieu , F. Antoniou , R. Asfandiyarov , D. Autiero , O. Bésida , A. Balik , P. Ballett , I. Bandac , D. Banerjee , W. Bartmann , F. Bay , B. Biskup , A. M. Blebea-Apostu , A. Blondel , M. Bogomilov , S. Bolognesi , E. Borriello , I. Brancus , A. Bravar , M. Buizza-Avanzini , D. Caiulo , M. Calin , M. Calviani , M. Campanelli , C. Cantini , G. Cata-Danil , S. Chakraborty , N. Charitonidis , L. Chaussard , D. Chesneanu , F. Chipesiu , P. Crivelli , J. Dawson , I. De Bonis , Y. Declais , P. Del Amo Sanchez , A. Delbart , S. Di~Luise , D. Duchesneau , J. Dumarchez , I. Efthymiopoulos , A. Eliseev , S. Emery , T. Enqvist , K. Enqvist , L. Epprecht , A. N. Erykalov , T. Esanu , D. Franco , M. Friend , V. Galymov , G. Gavrilov , A. Gendotti , C. Giganti , S. Gilardoni , B. Goddard , C. M. Gomoiu , Y. A. Gornushkin , P. Gorodetzky , A. Haesler , T. Hasegawa , S. Horikawa , K. Huitu , A. Izmaylov , A. Jipa , K. Kainulainen , Y. Karadzhov , M. Khabibullin , A. Khotjantsev , A. N. Kopylov , A. Korzenev , S. Kosyanenko , D. Kryn , Y. Kudenko , P. Kuusiniemi , I. Lazanu , C. Lazaridis , J. -M. Levy , K. Loo , J. Maalampi , R. M. Margineanu , J. Marteau , C. Martin-Mari , V. Matveev , E. Mazzucato , A. Mefodiev , O. Mineev , A. Mirizzi , B. Mitrica , S. Murphy , T. Nakadaira , S. Narita , D. A. Nesterenko , K. Nguyen , K. Nikolics , E. Noah , Yu. Novikov , A. Oprima , J. Osborne , T. Ovsyannikova , Y. Papaphilippou , S. Pascoli , T. Patzak , M. Pectu , E. Pennacchio , L. Periale , H. Pessard , B. Popov , M. Ravonel , M. Rayner , F. Resnati , O. Ristea , A. Robert , A. Rubbia , K. Rummukainen , A. Saftoiu , K. Sakashita , F. Sanchez-Galan , J. Sarkamo , N. Saviano , E. Scantamburlo , F. Sergiampietri , D. Sgalaberna , E. Shaposhnikova , M. Slupecki , D. Smargianaki , D. Stanca , R. Steerenberg , A. R. Sterian , P. Sterian , S. Stoica , C. Strabel , J. Suhonen , V. Suvorov , G. Toma , A. Tonazzo , W. H. Trzaska , R. Tsenov , K. Tuominen , M. Valram , G. Vankova-Kirilova , F. Vannucci , G. Vasseur , F. Velotti , P. Velten , V. Venturi , T. Viant , S. Vihonen , H. Vincke , A. Vorobyev , A. Weber , S. Wu , N. Yershov , L. Zambelli , M. Zito

Our knowledge of neutrino cross sections at the GeV scale, instrumental to test CP symmetry violation in the leptonic sector, has grown substantially in the last two decades. Still, their precision and understanding are far from the…

High Energy Physics - Experiment · Physics 2021-08-30 A. Branca , G. Brunetti , A. Longhin , M. Martini , F. Pupilli , F. Terranova

CP violation offers a powerful probe for testing the Standard Model. In this endeavour, non-leptonic decays of B mesons play a key role. I will discuss benchmark decays and puzzling patterns emerging from theoretical analyses of the current…

High Energy Physics - Phenomenology · Physics 2022-05-31 Robert Fleischer

Several works analyzing the new physics contributions from the Left-Right Symmetric Model to the CP violation phenomena in the neutral B mesons can be found in the literature. These works exhibit interesting and experimentally sensible…

High Energy Physics - Phenomenology · Physics 2009-04-09 Yeinzon Rodriguez , Carlos Quimbay

We present an overview of the current status of neutrino oscillation studies at atmospheric neutrino experiments. While the current data gives some tentalising hints regarding the neutrino mass hierarchy, octant of $\theta_{23}$ and…

High Energy Physics - Phenomenology · Physics 2016-06-22 Sandhya Choubey

We revisit the neutrino magnetic moments (MMs) in the left-right model with non-manifest symmetry. After deriving an expression in terms of the Dirac and Majorana phases, we analyze the sensitivity of neutrino MMs to these $CP$-violating…

High Energy Physics - Phenomenology · Physics 2015-11-20 D. Delepine , H. Novales-Sánchez
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