Related papers: An updated view on the ATOMKI nuclear anomalies

On the Quantum Uncertainty of the Neutron Electric Dipole Moment

The continued interest in placing bounds on the neutron's Electric Dipole Moment (EDM) is due to the implications regarding the characteristics of the strong interaction and, in particular, its behavior under the CP symmetry. In this work,…

High Energy Physics - Phenomenology · Physics 2024-11-26 Octavio Guerrero , Libertad Barrón-Palos , Daniel Sudarsky

Searching for Beyond the Standard Model Physics with COHERENT Energy and Timing Data

We search for beyond the Standard Model (BSM) physics by combining COHERENT energy and timing data. Focusing on light, $\lesssim$ GeV mediators, we find the data favor a $\sim 10-1000$ MeV mediator as compared to the Standard Model (SM)…

High Energy Physics - Phenomenology · Physics 2019-08-14 Bhaskar Dutta , Shu Liao , Samiran Sinha , Louis E. Strigari

Proposal for high-precision Atomic Parity Violation measurements using amplification of the asymmetry by stimulated emission in a transverse E and B field pump-probe experiment

Amplification by stimulated emission of radiation provides an intriguing means for increasing the sensitivity of Atomic Parity Violation (APV) measurements in a pump-probe configuration well adapted to the 6S-7S cesium transition. It takes…

Atomic Physics · Physics 2009-11-10 J. Guéna , M. Lintz , M. A Bouchiat

Search for the Dark Photon with the PADME Experiment at LNF

Massive photon-like particles are predicted in many extensions of the Standard Model with a hidden sector where dark matter is secluded. They are vector bosons mediating the interaction between dark matter particles and can be produced in…

High Energy Physics - Experiment · Physics 2017-12-07 Viviana Scherini

Anomalies in $^8$Be nuclear transitions and $(g-2)_{e,\mu}$: towards a minimal combined explanation

Motivated by a simultaneous explanation of the apparent discrepancies in the light charged lepton anomalous magnetic dipole moments, and the anomalous internal pair creation in $^8$Be nuclear transitions, we explore a simple New Physics…

High Energy Physics - Phenomenology · Physics 2020-08-26 C. Hati , J. Kriewald , J. Orloff , A. M. Teixeira

Search for a hypothetical gauge boson and dark photons in charmonium transitions

We report a direct search for a new gauge boson, $X$, with a mass of $17~\text{MeV}/c^2$, which could explain the anomalous excess of $e^+e^-$ pairs observed in the $^8\text{Be}$ nuclear transitions. The search is conducted in the…

High Energy Physics - Experiment · Physics 2026-02-18 BESIII Collaboration , M. Ablikim , M. N. Achasov , P. Adlarson , X. C. Ai , R. Aliberti , A. Amoroso , Q. An , Y. Bai , O. Bakina , Y. Ban , H. -R. Bao , V. Batozskaya , K. Begzsuren , N. Berger , M. Berlowski , M. B. Bertani , D. Bettoni , F. Bianchi , E. Bianco , A. Bortone , I. Boyko , R. A. Briere , A. Brueggemann , H. Cai , M. H. Cai , X. Cai , A. Calcaterra , G. F. Cao , N. Cao , S. A. Cetin , X. Y. Chai , J. F. Chang , T. T. Chang , G. R. Che , Y. Z. Che , C. H. Chen , Chao Chen , G. Chen , H. S. Chen , H. Y. Chen , M. L. Chen , S. J. Chen , S. M. Chen , T. Chen , X. R. Chen , X. T. Chen , X. Y. Chen , Y. B. Chen , Y. Q. Chen , Z. K. Chen , J. C. Cheng , L. N. Cheng , S. K. Choi , X. Chu , G. Cibinetto , F. Cossio , J. Cottee-Meldrum , H. L. Dai , J. P. Dai , X. C. Dai , A. Dbeyssi , R. E. de Boer , D. Dedovich , C. Q. Deng , Z. Y. Deng , A. Denig , I. Denisenko , M. Destefanis , F. De Mori , X. X. Ding , Y. Ding , Y. X. Ding , J. Dong , L. Y. Dong , M. Y. Dong , X. Dong , M. C. Du , S. X. Du , S. X. Du , X. L. Du , Y. Y. Duan , Z. H. Duan , P. Egorov , G. F. Fan , J. J. Fan , Y. H. Fan , J. Fang , J. Fang , S. S. Fang , W. X. Fang , Y. Q. Fang , L. Fava , F. Feldbauer , G. Felici , C. Q. Feng , J. H. Feng , L. Feng , Q. X. Feng , Y. T. Feng , M. Fritsch , C. D. Fu , J. L. Fu , Y. W. Fu , H. Gao , Y. Gao , Y. N. Gao , Y. N. Gao , Y. Y. Gao , Z. Gao , S. Garbolino , I. Garzia , L. Ge , P. T. Ge , Z. W. Ge , C. Geng , E. M. Gersabeck , A. Gilman , K. Goetzen , J. D. Gong , L. Gong , W. X. Gong , W. Gradl , S. Gramigna , M. Greco , M. H. Gu , C. Y. Guan , A. Q. Guo , J. N. Guo , L. B. Guo , M. J. Guo , R. P. Guo , X. Guo , Y. P. Guo , A. Guskov , J. Gutierrez , T. T. Han , F. Hanisch , K. D. Hao , X. Q. Hao , F. A. Harris , C. Z. He , K. L. He , F. H. Heinsius , C. H. Heinz , Y. K. Heng , C. Herold , P. C. Hong , G. Y. Hou , X. T. Hou , Y. R. Hou , Z. L. Hou , H. M. Hu , J. F. Hu , Q. P. Hu , S. L. Hu , T. Hu , Y. Hu , Z. M. Hu , G. S. Huang , K. X. Huang , L. Q. Huang , P. Huang , X. T. Huang , Y. P. Huang , Y. S. Huang , T. Hussain , N. Hüsken , N. in der Wiesche , J. Jackson , Q. Ji , Q. P. Ji , W. Ji , X. B. Ji , X. L. Ji , X. Q. Jia , Z. K. Jia , D. Jiang , H. B. Jiang , P. C. Jiang , S. J. Jiang , X. S. Jiang , Y. Jiang , J. B. Jiao , J. K. Jiao , Z. Jiao , S. Jin , Y. Jin , M. Q. Jing , X. M. Jing , T. Johansson , S. Kabana , N. Kalantar-Nayestanaki , X. L. Kang , X. S. Kang , M. Kavatsyuk , B. C. Ke , V. Khachatryan , A. Khoukaz , O. B. Kolcu , B. Kopf , M. Kuessner , X. Kui , N. Kumar , A. Kupsc , W. Kühn , Q. Lan , W. N. Lan , T. T. Lei , M. Lellmann , T. Lenz , C. Li , C. Li , C. H. Li , C. K. Li , D. M. Li , F. Li , G. Li , H. B. Li , H. J. Li , H. L. Li , H. N. Li , Hui Li , J. R. Li , J. S. Li , J. W. Li , K. Li , K. L. Li , L. J. Li , Lei Li , M. H. Li , M. R. Li , P. L. Li , P. R. Li , Q. M. Li , Q. X. Li , R. Li , S. X. Li , Shanshan Li , T. Li , T. Y. Li , W. D. Li , W. G. Li , X. Li , X. H. Li , X. K. Li , X. L. Li , X. Y. Li , X. Z. Li , Y. Li , Y. G. Li , Y. P. Li , Z. H. Li , Z. J. Li , Z. X. Li , Z. Y. Li , C. Liang , H. Liang , Y. F. Liang , Y. T. Liang , G. R. Liao , L. B. Liao , M. H. Liao , Y. P. Liao , J. Libby , A. Limphirat , D. X. Lin , L. Q. Lin , T. Lin , B. J. Liu , B. X. Liu , C. X. Liu , F. Liu , F. H. Liu , Feng Liu , G. M. Liu , H. Liu , H. B. Liu , H. H. Liu , H. M. Liu , Huihui Liu , J. B. Liu , J. J. Liu , K. Liu , K. Liu , K. Y. Liu , Ke Liu , L. Liu , L. C. Liu , Lu Liu , M. H. Liu , P. L. Liu , Q. Liu , S. B. Liu , W. M. Liu , W. T. Liu , X. Liu , X. K. Liu , X. L. Liu , X. Y. Liu , Y. Liu , Y. Liu , Y. B. Liu , Z. A. Liu , Z. D. Liu , Z. Q. Liu , Z. Y. Liu , X. C. Lou , H. J. Lu , J. G. Lu , X. L. Lu , Y. Lu , Y. H. Lu , Y. P. Lu , Z. H. Lu , C. L. Luo , J. R. Luo , J. S. Luo , M. X. Luo , T. Luo , X. L. Luo , Z. Y. Lv , X. R. Lyu , Y. F. Lyu , Y. H. Lyu , F. C. Ma , H. L. Ma , Heng Ma , J. L. Ma , L. L. Ma , L. R. Ma , Q. M. Ma , R. Q. Ma , R. Y. Ma , T. Ma , X. T. Ma , X. Y. Ma , Y. M. Ma , F. E. Maas , I. MacKay , M. Maggiora , S. Malde , Q. A. Malik , H. X. Mao , Y. J. Mao , Z. P. Mao , S. Marcello , A. Marshall , F. M. Melendi , Y. H. Meng , Z. X. Meng , G. Mezzadri , H. Miao , T. J. Min , R. E. Mitchell , X. H. Mo , B. Moses , N. Yu. Muchnoi , J. Muskalla , Y. Nefedov , F. Nerling , Z. Ning , S. Nisar , W. D. Niu , Y. Niu , C. Normand , S. L. Olsen , Q. Ouyang , S. Pacetti , X. Pan , Y. Pan , A. Pathak , Y. P. Pei , M. Pelizaeus , H. P. Peng , X. J. Peng , K. Peters , K. Petridis , J. L. Ping , R. G. Ping , S. Plura , V. Prasad , F. Z. Qi , H. R. Qi , M. Qi , S. Qian , W. B. Qian , C. F. Qiao , J. H. Qiao , J. J. Qin , J. L. Qin , L. Q. Qin , L. Y. Qin , P. B. Qin , X. P. Qin , X. S. Qin , Z. H. Qin , J. F. Qiu , Z. H. Qu , J. Rademacker , C. F. Redmer , A. Rivetti , M. Rolo , G. Rong , S. S. Rong , F. Rosini , Ch. Rosner , M. Q. Ruan , N. Salone , A. Sarantsev , Y. Schelhaas , K. Schoenning , M. Scodeggio , W. Shan , X. Y. Shan , Z. J. Shang , J. F. Shangguan , L. G. Shao , M. Shao , C. P. Shen , H. F. Shen , W. H. Shen , X. Y. Shen , B. A. Shi , H. Shi , J. L. Shi , J. Y. Shi , S. Y. Shi , X. Shi , H. L. Song , J. J. Song , M. H. Song , T. Z. Song , W. M. Song , Y. X. Song , Zirong Song , S. Sosio , S. Spataro , S Stansilaus , F. Stieler , S. S Su , G. B. Sun , G. X. Sun , H. Sun , H. K. Sun , J. F. Sun , K. Sun , L. Sun , R. Sun , S. S. Sun , T. Sun , Y. C. Sun , Y. H. Sun , Y. J. Sun , Y. Z. Sun , Z. Q. Sun , Z. T. Sun , C. J. Tang , G. Y. Tang , J. Tang , J. J. Tang , L. F. Tang , Y. A. Tang , L. Y. Tao , M. Tat , J. X. Teng , J. Y. Tian , W. H. Tian , Y. Tian , Z. F. Tian , I. Uman , B. Wang , B. Wang , Bo Wang , C. Wang , C. Wang , Cong Wang , D. Y. Wang , H. J. Wang , J. Wang , J. J. Wang , J. P. Wang , K. Wang , L. L. Wang , L. W. Wang , M. Wang , M. Wang , N. Y. Wang , S. Wang , S. Wang , T. Wang , T. J. Wang , W. Wang , W. P. Wang , X. Wang , X. F. Wang , X. L. Wang , X. N. Wang , Xin Wang , Y. Wang , Y. D. Wang , Y. F. Wang , Y. H. Wang , Y. J. Wang , Y. L. Wang , Y. N. Wang , Y. N. Wang , Yaqian Wang , Yi Wang , Yuan Wang , Z. Wang , Z. Wang , Z. L. Wang , Z. Q. Wang , Z. Y. Wang , Ziyi Wang , D. Wei , D. H. Wei , H. R. Wei , F. Weidner , S. P. Wen , U. Wiedner , G. Wilkinson , M. Wolke , J. F. Wu , L. H. Wu , L. J. Wu , L. J. Wu , Lianjie Wu , S. G. Wu , S. M. Wu , X. Wu , Y. J. Wu , Z. Wu , L. Xia , B. H. Xiang , D. Xiao , G. Y. Xiao , H. Xiao , Y. L. Xiao , Z. J. Xiao , C. Xie , K. J. Xie , Y. Xie , Y. G. Xie , Y. H. Xie , Z. P. Xie , T. Y. Xing , C. J. Xu , G. F. Xu , H. Y. Xu , M. Xu , Q. J. Xu , Q. N. Xu , T. D. Xu , X. P. Xu , Y. Xu , Y. C. Xu , Z. S. Xu , F. Yan , L. Yan , W. B. Yan , W. C. Yan , W. H. Yan , W. P. Yan , X. Q. Yan , H. J. Yang , H. L. Yang , H. X. Yang , J. H. Yang , R. J. Yang , Y. Yang , Y. H. Yang , Y. Q. Yang , Y. Z. Yang , Z. P. Yao , M. Ye , M. H. Ye , Z. J. Ye , Junhao Yin , Z. Y. You , B. X. Yu , C. X. Yu , G. Yu , J. S. Yu , L. W. Yu , T. Yu , X. D. Yu , Y. C. Yu , Y. C. Yu , C. Z. Yuan , H. Yuan , J. Yuan , J. Yuan , L. Yuan , M. K. Yuan , S. H. Yuan , Y. Yuan , C. X. Yue , Ying Yue , A. A. Zafar , F. R. Zeng , S. H. Zeng , X. Zeng , Yujie Zeng , Y. J. Zeng , Y. C. Zhai , Y. H. Zhan , Shunan Zhang , B. L. Zhang , B. X. Zhang , D. H. Zhang , G. Y. Zhang , G. Y. Zhang , H. Zhang , H. Zhang , H. C. Zhang , H. H. Zhang , H. Q. Zhang , H. R. Zhang , H. Y. Zhang , J. Zhang , J. J. Zhang , J. L. Zhang , J. Q. Zhang , J. S. Zhang , J. W. Zhang , J. X. Zhang , J. Y. Zhang , J. Z. Zhang , Jianyu Zhang , L. M. Zhang , Lei Zhang , N. Zhang , P. Zhang , Q. Zhang , Q. Y. Zhang , R. Y. Zhang , S. H. Zhang , Shulei Zhang , X. M. Zhang , X. Y. Zhang , Y. Zhang , Y. Zhang , Y. T. Zhang , Y. H. Zhang , Y. P. Zhang , Z. D. Zhang , Z. H. Zhang , Z. L. Zhang , Z. L. Zhang , Z. X. Zhang , Z. Y. Zhang , Z. Y. Zhang , Z. Z. Zhang , Zh. Zh. Zhang , G. Zhao , J. Y. Zhao , J. Z. Zhao , L. Zhao , L. Zhao , M. G. Zhao , S. J. Zhao , Y. B. Zhao , Y. L. Zhao , Y. X. Zhao , Z. G. Zhao , A. Zhemchugov , B. Zheng , B. M. Zheng , J. P. Zheng , W. J. Zheng , X. R. Zheng , Y. H. Zheng , B. Zhong , C. Zhong , H. Zhou , J. Q. Zhou , S. Zhou , X. Zhou , X. K. Zhou , X. R. Zhou , X. Y. Zhou , Y. X. Zhou , Y. Z. Zhou , A. N. Zhu , J. Zhu , K. Zhu , K. J. Zhu , K. S. Zhu , L. Zhu , L. X. Zhu , S. H. Zhu , T. J. Zhu , W. D. Zhu , W. J. Zhu , W. Z. Zhu , Y. C. Zhu , Z. A. Zhu , X. Y. Zhuang , J. H. Zou , J. Zu

Interpreting the $W$ mass anomaly in the vector-like quark models

The new measurement of $W$-boson mass by the CDF collaboration revealed a remarkable $7\sigma$ disagreement with the Standard Model (SM) prediction. If confirmed by other experiments, then the disagreement strongly indicates the existence…

High Energy Physics - Phenomenology · Physics 2022-10-19 Junjie Cao , Lei Meng , Liangliang Shang , Shiyu Wang , Bingfang Yang

The Neutron Electric Dipole Moment and Probe of PeV Scale Physics

The experimental limit on the neutron electric dipole moment is used as a possible probe of new physics beyond the standard model. Within MSSM we use the current experimental limit on the neutron EDM and possible future improvement as a…

High Energy Physics - Phenomenology · Physics 2015-06-11 Amin Aboubrahim , Tarek Ibrahim , Pran Nath

Status of the Proton EDM Experiment (pEDM)

The Proton EDM Experiment (pEDM) is the first direct search for the proton electric dipole moment (EDM) with the aim of being the first experiment to probe the Standard Model (SM) prediction of any particle EDM. Phase-I of pEDM will achieve…

High Energy Physics - Experiment · Physics 2025-04-24 Jim Alexander , Vassilis Anastassopoulos , Grigor Atoian , Rick Baartman , Stefan Baeßler , Franco Bedeschi , John Benante , Martin Berz , Michael Blaskiewicz , Themis Bowcock , Kevin Brown , Dmitry Budker , Sergey Burdin , Brendan C. Casey , Gianluigi Casse , Giovanni Cantatore , Timothy Chupp , Hooman Davoudiasl , Dmitri Denisov , Bhawin Dhital , Milind V. Diwan , Renee Fatemi , George Fanourakis , Wolfram Fischer , Peter Graham , Frederick Gray , Antonios Gardikiotis , Claudio Gatti , James Gooding , Boxing Gou , Selcuk Haciomeroglu , Georg H. Hoffstaetter , Haixin Huang , Marco Incagli , Hoyong Jeong , David Kaplan , Marin Karuza , David Kawall , Alexander Keshavarzi , On Kim , Younggeun Kim , Ivan Koop , Valeri Lebedev , Jonathan Lee , Soohyung Lee , Alberto Lusiani , William J. Marciano , Marios Maroudas , Andrei Matlashov , Francois Meot , James P. Miller , William M. Morse , James Mott , Zhanibek Omarov , Cenap Ozben , Giovanni Maria Piacentino , Matthew Poelker , Dinko Pocanic , Boris Podobedov , Joe Price , Xin Qian , Surjeet Rajendran , Deepak Raparia , Sergio Rescia , B. Lee Roberts , Yannis K. Semertzidis , Alexander Silenko , Amarjit Soni , Edward Stephenson , Riad Suleiman , Michael Syphers , Pia Thoerngren , Volodya Tishchenko , Nicholaos Tsoupas , Spyros Tzamarias , Alessandro Variola , Graziano Venanzoni , Eva Vilella , Joost Vossebeld , Peter Winter , Bogdan Wojtsekhowski , Eunil Won , Konstantin Zioutas

Checking the $^8$Be anomaly with a two-arm electron positron pair spectrometer

We have repeated the experiment performed recently by Krasznahorkay et al., (Phys. Rev. Lett. 116, 042501 (2016)), which may indicate a new particle called X17 in the literature. In order to get a reliable, and independent result, we used a…

Nuclear Experiment · Physics 2024-04-03 Tran The Anh , Tran Dinh Trong , Attila J. Krasznahorkay , Attila Krasznahorkay , József Molnár , Zoltán Pintye , Nguyen Ai Viet , Nguyen The Nghia , Do Thi Khanh Linh , Bui Thi Hoa , Le Xuan Chung , Nguyen Tuan Anh

A framework for missing-energy searches with anomalous light vectors

We study light spin-1 gauge bosons coupled to electroweak-anomalous currents. For generic charge assignments, anomaly cancellation requires new fermions (anomalons) that are chiral under the new abelian symmetry and carry electroweak…

High Energy Physics - Phenomenology · Physics 2026-03-05 Luca Di Luzio , Marco Nardecchia , Stefano Scacco , Claudio Toni

Demonstration of a Sensitive Method to Measure Nuclear Spin-Dependent Parity Violation

Nuclear spin-dependent parity violation (NSD-PV) effects in atoms and molecules arise from $Z^0$ boson exchange between electrons and the nucleus, and from the magnetic interaction between electrons and the parity-violating nuclear anapole…

Atomic Physics · Physics 2018-04-06 Emine Altuntas , Jeffrey Ammon , Sidney B. Cahn , David DeMille

Radiative corrections to the parity-violating spin asymmetry

The parity-violating spin asymmetry Apv for elastic electron scattering from spin-zero nuclei, together with its QED corrections, is evaluated non-perturbatively within the phase-shift analysis. Dispersion corrections, taking into account…

Nuclear Theory · Physics 2026-03-30 D. H. Jakubassa-Amundsen , X. Roca-Maza

Ab initio investigation of the $^7$Li($p,e^+e^-$)$^8$Be process and the X17 boson

Observations of anomalies in the electron-positron angular correlations in high-energy decays in $^4$He, $^8$Be, and $^{12}$C have been reported recently by the ATOMKI collaboration. These could be explained by the creation and subsequent…

Nuclear Theory · Physics 2024-07-15 P. Gysbers , P. Navratil , K. Kravvaris , G. Hupin , S. Quaglioni

New anomaly observed in $^{12}$C supports the existence and the vector character of the hypothetical X17 boson

Employing the $^{11}$B(p,$\gamma$)$^{12}$C nuclear reaction, the angular correlation of $e^+e^-$ pairs was investigated in the angular range of $40^\circ\Theta\leq 175^\circ$ for five different proton energies between E$_p$ = 1.50 - 2.50…

Nuclear Experiment · Physics 2022-12-21 A. J. Krasznahorkay , A. Krasznahorkay , M. Begala , M. Csatlós , L. Csige , J. Gulyás , A. Krakó , J. Timár , I. Rajta , I. Vajda , N. J. Sas

What Do We Learn from Atomic Physics about Fundamental Symmetries?

Valuable information on interactions violating $P$- and $T$-invariance can be extracted from atomic experiments. The hypothesis of a large weak matrix element between single-particle states in heavy nuclei, $\sim 100$ eV, is ruled out by…

Nuclear Theory · Physics 2009-09-25 I. B. Khriplovich

Improved limits on a hypothetical X(16.7) boson and a dark photon decaying into $e^+e^-$ pairs

The improved results on a direct search for a new X(16.7 MeV) boson which could explain the anomalous excess of $e^+e^-$ pairs observed in the excited 8Be nucleus decays ("Berillium anomaly") are reported. Due to its coupling to electrons,…

High Energy Physics - Experiment · Physics 2020-04-22 D. Banerjee , J. Bernhard , V. E. Burtsev , A. G. Chumakov , D. Cooke , P. Crivelli , E. Depero , A. V. Dermenev , S. V. Donskov , R. R. Dusaev , T. Enik , N. Charitonidis , A. Feshchenko , V. N. Frolov , A. Gardikiotis , S. G. Gerassimov , S. N. Gninenko , M. Hoesgen , M. Jeckel , V. A. Kachanov , A. E. Karneyeu , G. Kekelidze , B. Ketzer , D. V. Kirpichnikov , M. M. Kirsanov , V. N. Kolosov , I. V. Konorov , S. G. Kovalenko , V. A. Kramarenko , L. V. Kravchuk , N. V. Krasnikov , S. V. Kuleshov , V. E. Lyubovitskij , V. Lysan , V. A. Matveev , Yu. V. Mikhailov , L. Molina Bueno , D. V. Peshekhonov , V. A. Polyakov , B. Radics , R. Rojas , A. Rubbia , V. D. Samoylenko , D. Shchukin , V. O. Tikhomirov , I. Tlisova , D. A. Tlisov , A. N. Toropin , A. Yu. Trifonov , B. I. Vasilishin , G. Vasquez Arenas , P. V. Volkov , V. Yu. Volkov , P. Ulloa

Status and Prospects of PADME

The Positron Annihilation to Dark Matter Experiment (PADME) was designed and constructed to search for dark photons ($A'$) in the process $e^+e^-\rightarrow\gamma A'$, using the positron beam at the Beam Test Facility (BTF) at the National…

High Energy Physics - Experiment · Physics 2023-05-16 Susanna Bertelli , Fabio Bossi , Riccardo De Sangro , Claudio Di Giulio , Elisa Di Meco , Danilo Domenici , Giuseppe Finocchiaro , Luca Gennaro Foggetta , Marco Garattini , Andrea Ghigo , Paola Gianotti , Marco Mancini , Ivano Sarra , Tommaso Spadaro , Eleuterio Spiriti , Clara Taruggi , Elisabetta Vilucchi , Venelin Kozhuharov , Kalina Dimitrova , Simeon Ivanov , Svetoslav Ivanov , Radoslav Simeonov , Georgi Georgiev , Fabio Ferrarotto , Emanuele Leonardi , Paolo Valente , Alessandro Variola , Elizabeth Long , Giovanni Organtini , Mauro Raggi , Andre Frankenthal

Towards a discovery of BSM physics from the Cabibbo angle anomaly

New developments in both the theories and experiments related to the extraction of the top-row Cabibbo-Kobayashi-Maskawa matrix elements $V_{ud}$ and $V_{us}$ led to a series of new anomalies, for instance the apparent violation of the…

High Energy Physics - Phenomenology · Physics 2022-02-25 Chien-Yeah Seng

Explaining ATOMKI, $(g-2)_\mu$, and MiniBooNE anomalies with light mediators in $U(1)_H$ extended model

We consider $U(1)_H$ extensions of Type-I 2HDM plus a singlet scalar $\phi_H$, introducing a new Higgs doublet $H_2$ and a singlet $\phi_H$ charged under $U(1)_H$. The SM Higgs doublet $H_1$ as well as all the SM fermions and three…

High Energy Physics - Phenomenology · Physics 2023-11-27 Sumit Ghosh , Pyungwon Ko