Related papers: Nucleon decays into three leptons: contact contrib…

Neutrinoless double beta decay and chiral $SU(3)$

TeV-scale lepton number violation can affect neutrinoless double beta decay through dimension-9 $\Delta L= \Delta I = 2$ operators involving two electrons and four quarks. Since the dominant effects within a nucleus are expected to arise…

High Energy Physics - Phenomenology · Physics 2017-04-19 V. Cirigliano , W. Dekens , M. Graesser , E. Mereghetti

Low-scale leptogenesis with three heavy neutrinos

Leptogenesis induced by the oscillations of GeV-scale neutrinos provides a minimal and testable explanation of the baryon asymmetry of the Universe. In this work we extend previous studies invoking only two heavy neutrinos to the case of…

High Energy Physics - Phenomenology · Physics 2019-02-05 Asmaa Abada , Giorgio Arcadi , Valerie Domcke , Marco Drewes , Juraj Klaric , Michele Lucente

Neutrino Decay and Neutrinoless Double Beta Decay in a 3-3-1 Model

In this work we show that the implementation of spontaneous breaking of the lepton number in the 3-3-1 model with right-handed neutrinos gives rise to fast neutrino decay with majoron emission and generates a bunch of new contributions to…

High Energy Physics - Phenomenology · Physics 2009-11-11 Alex G. Dias , A. Doff , C. A. de S. Pires , P. S. Rodrigues da Silva

Search for neutrinoless quadruple-$\beta$ decay of $^{150}$Nd with the NEMO-3 detector

We report the results of a first experimental search for lepton number violation by four units in the neutrinoless quadruple-$\beta$ decay of $^{150}$Nd using a total exposure of $0.19$ kg$\cdot$y recorded with the NEMO-3 detector at the…

High Energy Physics - Experiment · Physics 2017-08-02 R. Arnold , C. Augier , A. S. Barabash , A. Basharina-Freshville , S. Blondel , S. Blot , M. Bongrand , D. Boursette , V. Brudanin , J. Busto , A. J. Caffrey , S. Calvez , M. Cascella , C. Cerna , J. P. Cesar , A. Chapon , E. Chauveau , A. Chopra , L. Dawson , D. Duchesneau , D. Durand , V. Egorov , G. Eurin , J. J. Evans , L. Fajt , D. Filosofov , R. Flack , X. Garrido , H. Gómez , B. Guillon , P. Guzowski , R. Hodák , A. Huber , P. Hubert , C. Hugon , S. Jullian , A. Klimenko , O. Kochetov , S. I. Konovalov , V. Kovalenko , D. Lalanne , K. Lang , Y. Lemière , T. Le Noblet , Z. Liptak , X. R. Liu , P. Loaiza , G. Lutter , M. Macko , C. Macolino , F. Mamedov , C. Marquet , F. Mauger , B. Morgan , J. Mott , I. Nemchenok , M. Nomachi , F. Nova , F. Nowacki , H. Ohsumi , C. Patrick , R. B. Pahlka , F. Perrot , F. Piquemal , P. Povinec , P. Přidal , Y. A. Ramachers , A. Remoto , J. L. Reyss , C. L. Riddle , E. Rukhadze , R. Saakyan , R. Salazar , X. Sarazin , Yu. Shitov , L. Simard , F. Šimkovic , A. Smetana , K. Smolek , A. Smolnikov , S. Söldner-Rembold , B. Soulé , D. Štefánik , I. Štekl , J. Suhonen , C. S. Sutton , G. Szklarz , J. Thomas , V. Timkin , S. Torre , Vl. I. Tretyak , V. I. Tretyak , V. I. Umatov , I. Vanushin , C. Vilela , V. Vorobel , D. Waters , F. Xie , A. Žukauskas

Implication of $K\to \pi \nu \bar{\nu}$ for generic neutrino interactions in effective field theories

In this work we investigate the implication of $K\to \pi \nu \bar{\nu}$ from the recent KOTO and NA62 measurements for generic neutrino interactions and the new physics scale in effective field theories. The interactions between quarks and…

High Energy Physics - Phenomenology · Physics 2020-04-10 Tong Li , Xiao-Dong Ma , Michael A. Schmidt

Discovering Asymmetric Dark Matter with Anti-Neutrinos

We discuss possible signatures of Asymmetric Dark Matter (ADM) through dark matter decays to neutrinos. We specifically focus on scenarios in which the Standard Model (SM) baryon asymmetry is transferred to the dark sector (DS) through…

High Energy Physics - Phenomenology · Physics 2014-11-20 Brian Feldstein , A. Liam Fitzpatrick

QCD Running in Lepton Number Violating Meson and Tau Decays

Below the electroweak scale, new physics that violates lepton number in two units ($\Delta L = 2$) and is mediated by heavy particle exchange can be parameterized by a dimension-9 low-energy effective Lagrangian. Operators in this…

High Energy Physics - Phenomenology · Physics 2025-03-11 Marcela González , Nicolás A. Neill

Search for baryon and lepton number violating decays $D^+\to\bar\Lambda(\bar\Sigma^0)e^+$ and $D^+\to\Lambda(\Sigma^0)e^+$

Using a 2.93 fb$^{-1}$ data sample of electron-positron collisions taken with the BESIII detector at a center-of-mass energy of 3.773 GeV, which corresponds to $(8296\pm31\pm64)\times10^3 D^+D^-$ pairs, we search for the baryon and lepton…

High Energy Physics - Experiment · Physics 2020-02-19 BESIII Collaboration , M. Ablikim , M. N. Achasov , P. Adlarson , S. Ahmed , M. Albrecht , M. Alekseev , A. Amoroso , F. F. An , Q. An , Y. Bai , O. Bakina , R. Baldini Ferroli , I. Balossino , Y. Ban , K. Begzsuren , J. V. Bennett , N. Berger , M. Bertani , D. Bettoni , F. Bianchi , J Biernat , J. Bloms , I. Boyko , R. A. Briere , H. Cai , X. Cai , A. Calcaterra , G. F. Cao , N. Cao , S. A. Cetin , J. Chai , J. F. Chang , W. L. Chang , G. Chelkov , D. Y. Chen , G. Chen , H. S. Chen , J. C. Chen , M. L. Chen , S. J. Chen , Y. B. Chen , W. Cheng , G. Cibinetto , F. Cossio , X. F. Cui , H. L. Dai , J. P. Dai , X. C. Dai , A. Dbeyssi , D. Dedovich , Z. Y. Deng , A. Denig , I. Denysenko , M. Destefanis , F. De Mori , Y. Ding , C. Dong , J. Dong , L. Y. Dong , M. Y. Dong , Z. L. Dou , S. X. Du , J. Z. Fan , J. Fang , S. S. Fang , Y. Fang , R. Farinelli , L. Fava , F. Feldbauer , G. Felici , C. Q. Feng , M. Fritsch , C. D. Fu , Y. Fu , Q. Gao , X. L. Gao , Y. Gao , Y. Gao , Y. G. Gao , Z. Gao , B. Garillon , I. Garzia , E. M. Gersabeck , A. Gilman , K. Goetzen , L. Gong , W. X. Gong , W. Gradl , M. Greco , L. M. Gu , M. H. Gu , S. Gu , Y. T. Gu , A. Q. Guo , L. B. Guo , R. P. Guo , Y. P. Guo , A. Guskov , S. Han , X. Q. Hao , F. A. Harris , K. L. He , F. H. Heinsius , T. Held , Y. K. Heng , M. Himmelreich , Y. R. Hou , Z. L. Hou , H. M. Hu , J. F. Hu , T. Hu , Y. Hu , G. S. Huang , J. S. Huang , X. T. Huang , X. Z. Huang , N. Huesken , T. Hussain , W. Ikegami Andersson , W. Imoehl , M. Irshad , Q. Ji , Q. P. Ji , X. B. Ji , X. L. Ji , H. L. Jiang , X. S. Jiang , X. Y. Jiang , J. B. Jiao , Z. Jiao , D. P. Jin , S. Jin , Y. Jin , T. Johansson , N. Kalantar-Nayestanaki , X. S. Kang , R. Kappert , M. Kavatsyuk , B. C. Ke , I. K. Keshk , A. Khoukaz , P. Kiese , R. Kiuchi , R. Kliemt , L. Koch , O. B. Kolcu , B. Kopf , M. Kuemmel , M. Kuessner , A. Kupsc , M. Kurth , M. G. Kurth , W. Kühn , J. S. Lange , P. Larin , L. Lavezzi , H. Leithoff , T. Lenz , C. Li , Cheng Li , D. M. Li , F. Li , F. Y. Li , G. Li , H. B. Li , H. J. Li , J. C. Li , J. W. Li , Ke Li , L. K. Li , Lei Li , P. L. Li , P. R. Li , Q. Y. Li , W. D. Li , W. G. Li , X. H. Li , X. L. Li , X. N. Li , Z. B. Li , Z. Y. Li , H. Liang , H. Liang , Y. F. Liang , Y. T. Liang , G. R. Liao , L. Z. Liao , J. Libby , C. X. Lin , D. X. Lin , Y. J. Lin , B. Liu , B. J. Liu , C. X. Liu , D. Liu , D. Y. Liu , F. H. Liu , Fang Liu , Feng Liu , H. B. Liu , H. M. Liu , Huanhuan Liu , Huihui Liu , J. B. Liu , J. Y. Liu , K. Y. Liu , Ke Liu , L. Y. Liu , Q. Liu , S. B. Liu , T. Liu , X. Liu , X. Y. Liu , Y. B. Liu , Z. A. Liu , Zhiqing Liu , Y. F. Long , X. C. Lou , H. J. Lu , J. D. Lu , J. G. Lu , Y. Lu , Y. P. Lu , C. L. Luo , M. X. Luo , P. W. Luo , T. Luo , X. L. Luo , S. Lusso , X. R. Lyu , F. C. Ma , H. L. Ma , L. L. Ma , M. M. Ma , Q. M. Ma , X. N. Ma , X. X. Ma , X. Y. Ma , Y. M. Ma , F. E. Maas , M. Maggiora , S. Maldaner , S. Malde , Q. A. Malik , A. Mangoni , Y. J. Mao , Z. P. Mao , S. Marcello , Z. X. Meng , J. G. Messchendorp , G. Mezzadri , J. Min , T. J. Min , R. E. Mitchell , X. H. Mo , Y. J. Mo , C. Morales Morales , N. Yu. Muchnoi , H. Muramatsu , A. Mustafa , S. Nakhoul , Y. Nefedov , F. Nerling , I. B. Nikolaev , Z. Ning , S. Nisar , S. L. Niu , S. L. Olsen , Q. Ouyang , S. Pacetti , Y. Pan , M. Papenbrock , P. Patteri , M. Pelizaeus , H. P. Peng , K. Peters , J. Pettersson , J. L. Ping , R. G. Ping , A. Pitka , R. Poling , V. Prasad , H. R. Qi , M. Qi , T. Y. Qi , S. Qian , C. F. Qiao , N. Qin , X. P. Qin , X. S. Qin , Z. H. Qin , J. F. Qiu , S. Q. Qu , K. H. Rashid , K. Ravindran , C. F. Redmer , M. Richter , A. Rivetti , V. Rodin , M. Rolo , G. Rong , Ch. Rosner , M. Rump , A. Sarantsev , M. Savrié , Y. Schelhaas , K. Schoenning , W. Shan , X. Y. Shan , M. Shao , C. P. Shen , P. X. Shen , X. Y. Shen , H. Y. Sheng , X. Shi , X. D Shi , J. J. Song , Q. Q. Song , X. Y. Song , S. Sosio , C. Sowa , S. Spataro , F. F. Sui , G. X. Sun , J. F. Sun , L. Sun , S. S. Sun , X. H. Sun , Y. J. Sun , Y. K Sun , Y. Z. Sun , Z. J. Sun , Z. T. Sun , Y. T Tan , C. J. Tang , G. Y. Tang , X. Tang , V. Thoren , B. Tsednee , I. Uman , B. Wang , B. L. Wang , C. W. Wang , D. Y. Wang , K. Wang , L. L. Wang , L. S. Wang , M. Wang , M. Z. Wang , Meng Wang , P. L. Wang , R. M. Wang , W. P. Wang , X. Wang , X. F. Wang , X. L. Wang , Y. Wang , Y. Wang , Y. F. Wang , Y. Q. Wang , Z. Wang , Z. G. Wang , Z. Y. Wang , Zongyuan Wang , T. Weber , D. H. Wei , P. Weidenkaff , H. W. Wen , S. P. Wen , U. Wiedner , G. Wilkinson , M. Wolke , L. H. Wu , L. J. Wu , Z. Wu , L. Xia , Y. Xia , S. Y. Xiao , Y. J. Xiao , Z. J. Xiao , Y. G. Xie , Y. H. Xie , T. Y. Xing , X. A. Xiong , Q. L. Xiu , G. F. Xu , J. J. Xu , L. Xu , Q. J. Xu , W. Xu , X. P. Xu , F. Yan , L. Yan , W. B. Yan , W. C. Yan , Y. H. Yan , H. J. Yang , H. X. Yang , L. Yang , R. X. Yang , S. L. Yang , Y. H. Yang , Y. X. Yang , Yifan Yang , Z. Q. 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The Scalar Triplet Contribution to Lepton Flavour Violation and Neutrinoless Double Beta Decay in Left-Right Symmetric Model

We analyse in detail the scalar triplet contribution to the low-energy lepton flavour violating (LFV) and lepton number violating (LNV) processes within a TeV-scale left-right symmetric framework. We show that in both type-I and type-II…

High Energy Physics - Phenomenology · Physics 2016-05-04 Gulab Bambhaniya , P. S. Bhupal Dev , Srubabati Goswami , Manimala Mitra

New physics with the lepton flavor violating decay $\tau\to 3\mu$

Lepton flavour violating (LFV) processes are a smoking gun signal of new physics (NP). If the semileptonic $B$ decay anomalies are indeed due to some NP, such operators can potentially lead to LFV decays involving the second and the third…

High Energy Physics - Phenomenology · Physics 2018-05-16 Zaineb Calcuttawala , Anirban Kundu , Soumitra Nandi , Sunando Kumar Patra

Proton decay into charged leptons

We discuss proton and neutron decays involving three leptons in the final state. Some of these modes could constitute the dominant decay channel because they conserve lepton-flavor symmetries that are broken in all usually considered…

High Energy Physics - Phenomenology · Physics 2018-04-25 Thomas Hambye , Julian Heeck

Investigating nuclear beta decay using lattice quantum Monte Carlo approach

We present an \textit{ab initio} calculation of nuclear $\beta$ decay within the framework of nuclear lattice effective field theory (NLEFT), employing auxiliary-field quantum Monte Carlo methods to solve the nuclear many-body problem. Our…

Nuclear Theory · Physics 2026-01-06 Teng Wang , Xu Feng , Bing-Nan Lu

Bounds on lepton flavor violating physics and decays of neutral mesons from $\tau(\mu) \to 3 \ell, \ell \gamma\gamma$-decays

We study two- and three-body lepton flavor violating (LFV) decays involving leptons and neutral vector bosons $V=\rho^0, \omega, \phi, J/\psi, \Upsilon, Z^0$, as well as pseudo-scalar $P=\pi^0, \eta, \eta', \eta_c$ and scalar $S=f_0(500),…

High Energy Physics - Phenomenology · Physics 2019-02-18 Claudio O. Dib , Thomas Gutsche , Sergey G. Kovalenko , Valery E. Lyubovitskij , Ivan Schmidt

Neutrinoless double-beta decay and effective field theory

We analyze neutrinoless double $\beta$-decay ($\nbb$-decay) mediated by heavy particles from the standpoint of effective field theory. We show how symmetries of the $\nbb$-decay quark operators arising in a given particle physics model…

High Energy Physics - Phenomenology · Physics 2016-08-16 Gary Prézeau , M. Ramsey-Musolf , Petr Vogel

Lepton number violation by heavy Majorana neutrino in $B$ decays

Heavy Majorana neutrinos are predicted in addition to ordinary active neutrinos in the models with the seesaw mechanism. We investigate the lepton number violation (LNV) in $B$ decays induced by such a heavy neutrino $N$ with GeV-scale…

High Energy Physics - Phenomenology · Physics 2016-11-11 Takehiko Asaka , Hiroyuki Ishida

Weak Decays of Heavy Baryons in Light-Front Approach

In this work, we perform a analysis of semi-leptonic and nonleptonic weak decays of heavy baryons: $\Lambda_{b},\Xi_{b},\Omega_{b}$ and $\Lambda_{c},\Xi_{c},\Omega_{c}$. For nonleptonic decay modes, we study only the factorizable channels…

High Energy Physics - Phenomenology · Physics 2018-09-26 Zhen-Xing Zhao

On Baryon and Lepton Number Violation

In this report we discuss the main theories to understand the origin of baryon and lepton number violation in physics beyond the Standard Model. We present the theoretical predictions for rare processes such as neutrinoless double beta…

High Energy Physics - Phenomenology · Physics 2022-08-05 Pavel Fileviez Perez , Andrea Pocar , K. S. Babu , Leah J. Broussard , Vincenzo Cirigliano , Susan Gardner , Julian Heeck , Ed Kearns , Andrew J. Long , Stuart Raby , Richard Ruiz , Evelyn Thomson , Carlos E. M. Wagner , Mark B. Wise

Neutrinoless Double-Beta Decay: Status and Prospects

Neutrinoless double-beta decay is a forbidden, lepton-number-violating nuclear transition whose observation would have fundamental implications for neutrino physics, theories beyond the Standard Model and cosmology. In this review, we…

Nuclear Experiment · Physics 2022-10-05 Michelle J. Dolinski , Alan W. P. Poon , Werner Rodejohann

Lepton-number-violating decays of heavy flavors induced by doubly-charged Higgs boson

We study lepton-number-violating (LNV) decays of heavy flavors ($\tau$ lepton and top quark) induced by doubly-charged Higgs boson in the Higgs triplet model. It is found that the branching fractions of LNV $\tau^- \to \ell^{+}M_1^-M_2^-$…

High Energy Physics - Phenomenology · Physics 2013-03-26 Nestor Quintero

Parity-Violating Three Nucleon Interactions at Low Energies and Large-$N_{C}$

The parity-violating (PV) nucleon-nucleon ($N\!N$) interaction in the three-nucleon system is investigated using pionless effective field theory ($\mathrm{EFT}(/\!\!\!\pi)$). This work shows that a next-to-leading order (NLO) PV three-body…

Nuclear Theory · Physics 2019-05-15 Jared Vanasse