An improved search for the electric dipole moment of the $τ$ lepton

Inami, K.; Hayasaka, K.; Adachi, I.; Aihara, H.; Al Said, S.; Asner, D.M.; Aulchenko, V.; Aushev, T.; Ayad, R.; Babu, V.; Bahinipati, S.; Behera, P.; Bessner, M.; Bhuyan, B.; Bilka, T.; Biswal, J.; Bobrov, A.; Bonvicini, G.; Bozek, A.; Bračko, M.; Browder, T.E.; Campajola, M.; Červenkov, D.; Cheon, B.G.; Chilikin, K.; Cho, H.E.; Cho, K.; Choi, Y.; Choudhury, S.; Cinabro, D.; Cunliffe, S.; Das, S.; De Nardo, G.; Dhamija, R.; Di Capua, F.; Doležal, Z.; Dong, T.V.; Dubey, S.; Eidelman, S.; Epifanov, D.; Ferber, T.; Fulsom, B.G.; Garg, R.; Gaur, V.; Gabyshev, N.; Garmash, A.; Giri, A.; Goldenzweig, P.; Golob, B.; Greenwald, D.; Gudkova, K.; Hadjivasiliou, C.; Hartbrich, O.; Hayashii, H.; Hedges, M.T.; Hou, W.-S.; Hsu, C.-L.; Iijima, T.; Inguglia, G.; Ishikawa, A.; Itoh, R.; Iwasaki, M.; Iwasaki, Y.; Jacobs, W.W.; Jang, E.-J.; Jin, Y.; Joo, C.W.; Joo, K.K.; Kato, Y.; Kawasaki, T.; Kichimi, H.; Kim, C.H.; Kim, D.Y.; Kim, S.H.; Kim, Y.-K.; Kimmel, T.D.; Kinoshita, K.; Kodyš, P.; Konno, T.; Korpar, S.; Kroeger, R.; Krokovny, P.; Kulasiri, R.; Kumar, M.; Kumar, R.; Kumara, K.; Kwon, Y.-J.; Lalwani, K.; Lange, J.S.; Lee, S.C.; Li, C.H.; Li, J.; Li, L.K.; Li, Y.B.; Li Gioi, L.; Libby, J.; Liventsev, D.; MacQueen, C.; Masuda, M.; Matsuda, T.; Matvienko, D.; Merola, M.; Metzner, F.; Mizuk, R.; Mohanty, G.B.; Mohanty, S.; Moon, T.J.; Nakao, M.; Natochii, A.; Nayak, L.; Nayak, M.; Nishida, S.; Ogawa, S.; Ono, H.; Onuki, Y.; Oskin, P.; Pakhlov, P.; Pakhlova, G.; Pardi, S.; Park, S.-H.; Paul, S.; Pedlar, T.K.; Pestotnik, R.; Piilonen, L.E.; Podobnik, T.; Popov, V.; Prencipe, E.; Prim, M.T.; Rabusov, A.; Röhrken, M.; Rostomyan, A.; Rout, N.; Russo, G.; Sahoo, D.; Sandilya, S.; Sangal, A.; Santelj, L.; Sanuki, T.; Savinov, V.; Schnell, G.; Schwanda, C.; Seino, Y.; Senyo, K.; Sevior, M.E.; Shapkin, M.; Sharma, C.; Shiu, J.-G.; Shwartz, B.; Simon, F.; Solovieva, E.; Starič, M.; Stottler, Z.S.; Strube, J.F.; Sumisawa, K.; Sutcliffe, W.; Takizawa, M.; Tamponi, U.; Tanida, K.; Tao, Y.; Tenchini, F.; Trabelsi, K.; Uchida, M.; Uehara, S.; Uno, S.; Ushiroda, Y.; Van Tonder, R.; Varner, G.; Vinokurova, A.; Wang, C.H.; Wang, E.; Wang, P.; Watanabe, M.; Watanuki, S.; Won, E.; Xu, X.; Yabsley, B.D.; Yan, W.; Yang, S.B.; Ye, H.; Yin, J.H.; Yusa, Y.; Zhang, Z.P.; Zhilich, V.; Zhukova, V.

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An improved search for the electric dipole moment of the $τ$ lepton

Inami, K., Hayasaka, K., Adachi, I., Aihara, H., Al Said, S., Asner, D., et al. (2022). An improved search for the electric dipole moment of the $τ$ lepton. Journal of High Energy Physics, 04, 110. Retrieved from https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2021-354.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000C-B4C1-E Version Permalink: https://hdl.handle.net/21.11116/0000-000C-B4C2-D

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Inami, K.¹, Author
Hayasaka, K.¹, Author
Adachi, I.¹, Author
Aihara, H.¹, Author
Al Said, S.¹, Author
Asner, D.M.¹, Author
Aulchenko, V.¹, Author
Aushev, T.¹, Author
Ayad, R.¹, Author
Babu, V.¹, Author
Bahinipati, S.¹, Author
Behera, P.¹, Author
Bessner, M.¹, Author
Bhuyan, B.¹, Author
Bilka, T.¹, Author
Biswal, J.¹, Author
Bobrov, A.¹, Author
Bonvicini, G.¹, Author
Bozek, A.¹, Author
Bračko, M.¹, Author
Browder, T.E.¹, AuthorCampajola, M.¹, AuthorČervenkov, D.¹, AuthorCheon, B.G.¹, AuthorChilikin, K.¹, AuthorCho, H.E.¹, AuthorCho, K.¹, AuthorChoi, Y.¹, AuthorChoudhury, S.¹, AuthorCinabro, D.¹, AuthorCunliffe, S.¹, AuthorDas, S.¹, AuthorDe Nardo, G.¹, AuthorDhamija, R.¹, AuthorDi Capua, F.¹, AuthorDoležal, Z.¹, AuthorDong, T.V.¹, AuthorDubey, S.¹, AuthorEidelman, S.¹, AuthorEpifanov, D.¹, AuthorFerber, T.¹, AuthorFulsom, B.G.¹, AuthorGarg, R.¹, AuthorGaur, V.¹, AuthorGabyshev, N.¹, AuthorGarmash, A.¹, AuthorGiri, A.¹, AuthorGoldenzweig, P.¹, AuthorGolob, B.¹, AuthorGreenwald, D.¹, AuthorGudkova, K.¹, AuthorHadjivasiliou, C.¹, AuthorHartbrich, O.¹, AuthorHayashii, H.¹, AuthorHedges, M.T.¹, AuthorHou, W.-S.¹, AuthorHsu, C.-L.¹, AuthorIijima, T.¹, AuthorInguglia, G.¹, AuthorIshikawa, A.¹, AuthorItoh, R.¹, AuthorIwasaki, M.¹, AuthorIwasaki, Y.¹, AuthorJacobs, W.W.¹, AuthorJang, E.-J.¹, AuthorJin, Y.¹, AuthorJoo, C.W.¹, AuthorJoo, K.K.¹, AuthorKato, Y.¹, AuthorKawasaki, T.¹, AuthorKichimi, H.¹, AuthorKim, C.H.¹, AuthorKim, D.Y.¹, AuthorKim, S.H.¹, AuthorKim, Y.-K.¹, AuthorKimmel, T.D.¹, AuthorKinoshita, K.¹, AuthorKodyš, P.¹, AuthorKonno, T.¹, AuthorKorpar, S.¹, AuthorKroeger, R.¹, AuthorKrokovny, P.¹, AuthorKulasiri, R.¹, AuthorKumar, M.¹, AuthorKumar, R.¹, AuthorKumara, K.¹, AuthorKwon, Y.-J.¹, AuthorLalwani, K.¹, AuthorLange, J.S.¹, AuthorLee, S.C.¹, AuthorLi, C.H.¹, AuthorLi, J.¹, AuthorLi, L.K.¹, AuthorLi, Y.B.¹, AuthorLi Gioi, L.¹, AuthorLibby, J.¹, AuthorLiventsev, D.¹, AuthorMacQueen, C.¹, AuthorMasuda, M.¹, AuthorMatsuda, T.¹, AuthorMatvienko, D.¹, AuthorMerola, M.¹, AuthorMetzner, F.¹, AuthorMizuk, R.¹, AuthorMohanty, G.B.¹, AuthorMohanty, S.¹, AuthorMoon, T.J.¹, AuthorNakao, M.¹, AuthorNatochii, A.¹, AuthorNayak, L.¹, AuthorNayak, M.¹, AuthorNishida, S.¹, AuthorOgawa, S.¹, AuthorOno, H.¹, AuthorOnuki, Y.¹, AuthorOskin, P.¹, AuthorPakhlov, P.¹, AuthorPakhlova, G.¹, AuthorPardi, S.¹, AuthorPark, S.-H.¹, AuthorPaul, S.¹, AuthorPedlar, T.K.¹, AuthorPestotnik, R.¹, AuthorPiilonen, L.E.¹, AuthorPodobnik, T.¹, AuthorPopov, V.¹, AuthorPrencipe, E.¹, AuthorPrim, M.T.¹, AuthorRabusov, A.¹, AuthorRöhrken, M.¹, AuthorRostomyan, A.¹, AuthorRout, N.¹, AuthorRusso, G.¹, AuthorSahoo, D.¹, AuthorSandilya, S.¹, AuthorSangal, A.¹, AuthorSantelj, L.¹, AuthorSanuki, T.¹, AuthorSavinov, V.¹, AuthorSchnell, G.¹, AuthorSchwanda, C.¹, AuthorSeino, Y.¹, AuthorSenyo, K.¹, AuthorSevior, M.E.¹, AuthorShapkin, M.¹, AuthorSharma, C.¹, AuthorShiu, J.-G.¹, AuthorShwartz, B.¹, AuthorSimon, F.¹, AuthorSolovieva, E.¹, AuthorStarič, M.¹, AuthorStottler, Z.S.¹, AuthorStrube, J.F.¹, AuthorSumisawa, K.¹, AuthorSutcliffe, W.¹, AuthorTakizawa, M.¹, AuthorTamponi, U.¹, AuthorTanida, K.¹, AuthorTao, Y.¹, AuthorTenchini, F.¹, AuthorTrabelsi, K.¹, AuthorUchida, M.¹, AuthorUehara, S.¹, AuthorUno, S.¹, AuthorUshiroda, Y.¹, AuthorVan Tonder, R.¹, AuthorVarner, G.¹, AuthorVinokurova, A.¹, AuthorWang, C.H.¹, AuthorWang, E.¹, AuthorWang, P.¹, AuthorWatanabe, M.¹, AuthorWatanuki, S.¹, AuthorWon, E.¹, AuthorXu, X.¹, AuthorYabsley, B.D.¹, AuthorYan, W.¹, AuthorYang, S.B.¹, AuthorYe, H.¹, AuthorYin, J.H.¹, AuthorYusa, Y.¹, AuthorZhang, Z.P.¹, AuthorZhilich, V.¹, AuthorZhukova, V.¹, Author more..

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1Max Planck Institute for Physics, Max Planck Society and Cooperation Partners, ou_2253650

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Free keywords: Belle

Abstract: We report a measurement of the electric dipole moment of the $\tau$ lepton ($d_\tau$) using an 833~fb$^{-1}$ data sample collected near the $\Upsilon(4S)$ resonance, with the Belle detector at the KEKB asymmetric-energy $e^+ e^-$ collider. Using an optimal observable method, we obtain the real and imaginary parts of $d_\tau$ as ${\rm Re}(d_\tau) = ( -0.62 \pm 0.63 ) \times 10^{-17} ~e{\rm cm}$ and ${\rm Im}(d_\tau) = ( -0.40 \pm 0.32 ) \times 10^{-17} ~e{\rm cm}$, respectively. These results are consistent with null electric dipole moment at the present level of experimental sensitivity and improve the sensitivity by about a factor of three.

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Dates: Date issued: 2022

Publication Status: Issued

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Identifiers: Other: MPP-2021-354
URI: https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2021-354
arXiv: arxiv:2108.11543
URI: https://inspirehep.net/literature?q=find%20eprint%202108.11543

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Title: Journal of High Energy Physics

Abbreviation : JHEP

Source Genre: Journal

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Pages: - Volume / Issue: 04 Sequence Number: - Start / End Page: 110 Identifier: -