Observation of Transverse Λ / Λ Hyperon Polarization in e+e- Annihilation at Belle

Y. Guan; A. Vossen; I. Adachi; K. Adamczyk; J. K. Ahn; H. Aihara; S. Al Said; D. M. Asner; H. Atmacan; V. Aulchenko; T. Aushev; R. Ayad; V. Babu; I. Badhrees; A. M. Bakich; V. Bansal; P. Behera; C. Beleño; M. Berger; V. Bhardwaj; B. Bhuyan; T. Bilka; J. Biswal; A. Bobrov; G. Bonvicini; A. Bozek; M. Bračko; T. E. Browder; L. Cao; D. Červenkov; P. Chang; V. Chekelian; A. Chen; B. G. Cheon; K. Chilikin; K. Cho; S. K. Choi; Y. Choi; D. Cinabro; S. Cunliffe; N. Dash; S. Di Carlo; J. Dingfelder; Z. DoleŽal; T. V. Dong; Z. Drásal; S. Eidelman; D. Epifanov; J. E. Fast; T. Ferber; B. G. Fulsom; R. Garg; V. Gaur; N. Gabyshev; A. Garmash; M. Gelb; A. Giri; P. Goldenzweig; B. Golob; E. Guido; J. Haba; K. Hayasaka; H. Hayashii; S. Hirose; W. S. Hou; T. Iijima; K. Inami; G. Inguglia; A. Ishikawa; R. Itoh; M. Iwasaki; Y. Iwasaki; W. W. Jacobs; I. Jaegle; H. B. Jeon; S. Jia; Y. Jin; D. Joffe; K. K. Joo; T. Julius; K. H. Kang; T. Kawasaki; C. Kiesling; D. Y. Kim; H. J. Kim; J. B. Kim; K. T. Kim; S. H. Kim; K. Kinoshita; P. Kodyš; S. Korpar; D. Kotchetkov; P. KriŽan; R. Kroeger; P. Krokovny; T. Kuhr; R. Kulasiri; A. Kuzmin; Y. J. Kwon; J. S. Lange; I. S. Lee; S. C. Lee; L. K. Li; Y. B. Li; L. Li Gioi; J. Libby; D. Liventsev; M. Lubej; T. Luo; M. Masuda; T. Matsuda; D. Matvienko; M. Merola; H. Miyata; R. Mizuk; G. B. Mohanty; H. K. Moon; T. Mori; R. Mussa; M. Nakao; T. Nanut; K. J. Nath; Z. Natkaniec; M. Nayak; M. Niiyama; N. K. Nisar; S. Nishida; S. Ogawa; S. Okuno; H. Ono; P. Pakhlov; G. Pakhlova; B. Pal; S. Pardi; H. Park; S. Paul; T. K. Pedlar; R. Pestotnik; L. E. Piilonen; V. Popov; E. Prencipe; A. Rabusov; A. Rostomyan; G. Russo; D. Sahoo; Y. Sakai; M. Salehi; S. Sandilya; L. Santelj; T. Sanuki; V. Savinov; O. Schneider; G. Schnell; C. Schwanda; R. Seidl; Y. Seino; K. Senyo; O. Seon; M. E. Sevior; V. Shebalin; C. P. Shen; T. A. Shibata; J. G. Shiu; F. Simon; A. Sokolov; E. Solovieva; M. Starič; J. F. Strube; M. Sumihama; T. Sumiyoshi; W. Sutcliffe; K. Suzuki; M. Takizawa; U. Tamponi; K. Tanida; F. Tenchini; M. Uchida; T. Uglov; Y. Unno; S. Uno; P. Urquijo; Y. Usov; S. E. Vahsen; C. Van Hulse; R. Van Tonder; G. Varner; A. Vinokurova; V. Vorobyev; E. Waheed; B. Wang; C. H. Wang; M. Z. Wang; P. Wang; X. L. Wang; S. Watanuki; E. Widmann; E. Won; H. Ye; J. Yelton; J. H. Yin; C. Z. Yuan; Y. Yusa; Z. P. Zhang; V. Zhilich; V. Zhukova; V. Zhulanov; A. Zupanc

doi:10.1103/PhysRevLett.122.042001

Observation of Transverse Λ / Λ Hyperon Polarization in e+e- Annihilation at Belle

Y. Guan
, A. Vossen
, I. Adachi
, K. Adamczyk
, J. K. Ahn
, H. Aihara
, S. Al Said
, D. M. Asner
, H. Atmacan
, V. Aulchenko
, T. Aushev
, R. Ayad
, V. Babu
, I. Badhrees
, A. M. Bakich
, V. Bansal
, P. Behera
, C. Beleño
, M. Berger
, V. Bhardwaj

B. Bhuyan, T. Bilka, J. Biswal, A. Bobrov, G. Bonvicini, A. Bozek, M. Bračko, T. E. Browder, L. Cao, D. Červenkov, P. Chang, V. Chekelian, A. Chen, B. G. Cheon, K. Chilikin, K. Cho, S. K. Choi, Y. Choi, D. Cinabro, S. Cunliffe, N. Dash, S. Di Carlo, J. Dingfelder, Z. DoleŽal, T. V. Dong, Z. Drásal, S. Eidelman, D. Epifanov, J. E. Fast, T. Ferber, B. G. Fulsom, R. Garg, V. Gaur, N. Gabyshev, A. Garmash, M. Gelb, A. Giri, P. Goldenzweig, B. Golob, E. Guido, J. Haba, K. Hayasaka, H. Hayashii, S. Hirose, W. S. Hou, T. Iijima, K. Inami, G. Inguglia, A. Ishikawa, R. Itoh, M. Iwasaki, Y. Iwasaki, W. W. Jacobs, I. Jaegle, H. B. Jeon, S. Jia, Y. Jin, D. Joffe, K. K. Joo, T. Julius, K. H. Kang, T. Kawasaki, C. Kiesling, D. Y. Kim, H. J. Kim, J. B. Kim, K. T. Kim, S. H. Kim, K. Kinoshita, P. Kodyš, S. Korpar, D. Kotchetkov, P. KriŽan, R. Kroeger, P. Krokovny, T. Kuhr, R. Kulasiri, A. Kuzmin, Y. J. Kwon, J. S. Lange, I. S. Lee, S. C. Lee, L. K. Li, Y. B. Li, L. Li Gioi, J. Libby, D. Liventsev, M. Lubej, T. Luo, M. Masuda, T. Matsuda, D. Matvienko, M. Merola, H. Miyata, R. Mizuk, G. B. Mohanty, H. K. Moon, T. Mori, R. Mussa, M. Nakao, T. Nanut, K. J. Nath, Z. Natkaniec, M. Nayak, M. Niiyama, N. K. Nisar, S. Nishida, S. Ogawa, S. Okuno, H. Ono, P. Pakhlov, G. Pakhlova, B. Pal, S. Pardi, H. Park, S. Paul, T. K. Pedlar, R. Pestotnik, L. E. Piilonen, V. Popov, E. Prencipe, A. Rabusov, A. Rostomyan, G. Russo, D. Sahoo, Y. Sakai, M. Salehi, S. Sandilya, L. Santelj, T. Sanuki, V. Savinov, O. Schneider, G. Schnell, C. Schwanda, R. Seidl, Y. Seino, K. Senyo, O. Seon, M. E. Sevior, V. Shebalin, C. P. Shen, T. A. Shibata, J. G. Shiu, F. Simon, A. Sokolov, E. Solovieva, M. Starič, J. F. Strube, M. Sumihama, T. Sumiyoshi, W. Sutcliffe, K. Suzuki, M. Takizawa, U. Tamponi, K. Tanida, F. Tenchini, M. Uchida, T. Uglov, Y. Unno, S. Uno, P. Urquijo, Y. Usov, S. E. Vahsen, C. Van Hulse, R. Van Tonder, G. Varner, A. Vinokurova, V. Vorobyev, E. Waheed, B. Wang, C. H. Wang, M. Z. Wang, P. Wang, X. L. Wang, S. Watanuki, E. Widmann, E. Won, H. Ye, J. Yelton, J. H. Yin, C. Z. Yuan, Y. Yusa, Z. P. Zhang, V. Zhilich, V. Zhukova, V. Zhulanov, A. Zupanc

Duke University
High Energy Accelerator Research Organization, Tsukuba
Indiana University Bloomington
The Graduate University for Advanced Studies
H. Niewodniczanski Institute of Nuclear Physics
Korea University
The University of Tokyo
King Abdulaziz University
University of Tabuk
Brookhaven National Laboratory
University of South Carolina
RAS - Budker Institute of Nuclear Physics
Novosibirsk State University
Moscow Institute of Physics and Technology
Tata Institute of Fundamental Research
King Abdulaziz City for Science and Technology
The University of Sydney
Pacific Northwest National Laboratory
Indian Institute of Technology Madras
University of Göttingen
Austrian Academy of Sciences
Indian Institute of Science Education and Research Mohali
Indian Institute of Technology Guwahati
Charles University
Jožef Stefan Institute
Wayne State University
University of Maribor
University of Hawai'i at Mānoa
Karlsruhe Institute of Technology
National Taiwan University
Max Planck Institute for Physics (Werner Heisenberg Institute)
National Central University
Hanyang University
RAS - P.N. Lebedev Physics Institute
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German Electron Synchrotron
Indian Institute of Technology Bhubaneswar
Université Paris-Sud
University of Bonn
Panjab University
Virginia Polytechnic Institute and State University
Indian Institute of Technology Hyderabad
University of Ljubljana
National Institute for Nuclear Physics
Niigata University
Nara Women's University
Nagoya University
Tohoku University
Osaka Metropolitan University
University of Florida
Kyungpook National University
Beihang University
Kennesaw State University
Chonnam National University
University of Melbourne
Kitasato University
Soongsil University
University of Cincinnati
University of Mississippi
Ludwig Maximilian University of Munich
Yonsei University
Justus Liebig University Giessen
CAS - Institute of High Energy Physics
Peking University
Fudan University
University of Miyazaki
University of Naples Federico II
Moscow Engineering Physics Institute
Kyoto University
University of Pittsburgh
Toho University
Kanagawa University
Nippon Dental University
Technical University of Munich
Luther College, Decorah
Forschungszentrum Jülich
University of Malaya
Swiss Federal Institute of Technology Lausanne
University of the Basque Country
Ikerbasque Basque Foundation for Science
Riken BNL Research Center
Yamagata University
Institute of Science Tokyo
Technische Universität München
Institute for High Energy Physics
Gifu University
Tokyo Metropolitan University
RIKEN
Showa Pharmaceutical University
Japan Atomic Energy Agency
National United University Taiwan
University of Science and Technology of China

Research output: Contribution to journal › Article › peer-review

70 Scopus citations

Abstract

We report the first observation of the spontaneous polarization of Λ and Λ hyperons transverse to the production plane in e+e- annihilation, which is attributed to the effect arising from a polarizing fragmentation function. For inclusive Λ/Λ production, we also report results with subtracted feed-down contributions from Σ0 and charm. This measurement uses a dataset of 800.4 fb-1 collected by the Belle experiment at or near a center-of-mass energy of 10.58 GeV. We observe a significant polarization that rises with the fractional energy carried by the Λ/Λ hyperon.

Original language	English
Article number	042001
Journal	Physical Review Letters
Volume	122
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevLett.122.042001
State	Published - 2019

Access to Document

10.1103/PhysRevLett.122.042001

Cite this

Guan, Y., Vossen, A., Adachi, I., Adamczyk, K., Ahn, J. K., Aihara, H., Al Said, S., Asner, D. M., Atmacan, H., Aulchenko, V., Aushev, T., Ayad, R., Babu, V., Badhrees, I., Bakich, A. M., Bansal, V., Behera, P., Beleño, C., Berger, M., ... Zupanc, A. (2019). Observation of Transverse Λ / Λ Hyperon Polarization in e+e- Annihilation at Belle. Physical Review Letters, 122(4), Article 042001. https://doi.org/10.1103/PhysRevLett.122.042001

@article{0767967e0f14498da92b3f32c40d2825,

title = "Observation of Transverse Λ / Λ Hyperon Polarization in e+e- Annihilation at Belle",

abstract = "We report the first observation of the spontaneous polarization of Λ and Λ hyperons transverse to the production plane in e+e- annihilation, which is attributed to the effect arising from a polarizing fragmentation function. For inclusive Λ/Λ production, we also report results with subtracted feed-down contributions from Σ0 and charm. This measurement uses a dataset of 800.4 fb-1 collected by the Belle experiment at or near a center-of-mass energy of 10.58 GeV. We observe a significant polarization that rises with the fractional energy carried by the Λ/Λ hyperon.",

author = "Y. Guan and A. Vossen and I. Adachi and K. Adamczyk and Ahn, \{J. K.\} and H. Aihara and \{Al Said\}, S. and Asner, \{D. M.\} and H. Atmacan and V. Aulchenko and T. Aushev and R. Ayad and V. Babu and I. Badhrees and Bakich, \{A. M.\} and V. Bansal and P. Behera and C. Bele{\~n}o and M. Berger and V. Bhardwaj and B. Bhuyan and T. Bilka and J. Biswal and A. Bobrov and G. Bonvicini and A. Bozek and M. Bra{\v c}ko and Browder, \{T. E.\} and L. Cao and D. {\v C}ervenkov and P. Chang and V. Chekelian and A. Chen and Cheon, \{B. G.\} and K. Chilikin and K. Cho and Choi, \{S. K.\} and Y. Choi and D. Cinabro and S. Cunliffe and N. Dash and \{Di Carlo\}, S. and J. Dingfelder and Z. Dole{\v Z}al and Dong, \{T. V.\} and Z. Dr{\'a}sal and S. Eidelman and D. Epifanov and Fast, \{J. E.\} and T. Ferber and Fulsom, \{B. G.\} and R. Garg and V. Gaur and N. Gabyshev and A. Garmash and M. Gelb and A. Giri and P. Goldenzweig and B. Golob and E. Guido and J. Haba and K. Hayasaka and H. Hayashii and S. Hirose and Hou, \{W. S.\} and T. Iijima and K. Inami and G. Inguglia and A. Ishikawa and R. Itoh and M. Iwasaki and Y. Iwasaki and Jacobs, \{W. W.\} and I. Jaegle and Jeon, \{H. B.\} and S. Jia and Y. Jin and D. Joffe and Joo, \{K. K.\} and T. Julius and Kang, \{K. H.\} and T. Kawasaki and C. Kiesling and Kim, \{D. Y.\} and Kim, \{H. J.\} and Kim, \{J. B.\} and Kim, \{K. T.\} and Kim, \{S. H.\} and K. Kinoshita and P. Kody{\v s} and S. Korpar and D. Kotchetkov and P. Kri{\v Z}an and R. Kroeger and P. Krokovny and T. Kuhr and R. Kulasiri and A. Kuzmin and Kwon, \{Y. J.\} and Lange, \{J. S.\} and Lee, \{I. S.\} and Lee, \{S. C.\} and Li, \{L. K.\} and Li, \{Y. B.\} and \{Li Gioi\}, L. and J. Libby and D. Liventsev and M. Lubej and T. Luo and M. Masuda and T. Matsuda and D. Matvienko and M. Merola and H. Miyata and R. Mizuk and Mohanty, \{G. B.\} and Moon, \{H. K.\} and T. Mori and R. Mussa and M. Nakao and T. Nanut and Nath, \{K. J.\} and Z. Natkaniec and M. Nayak and M. Niiyama and Nisar, \{N. K.\} and S. Nishida and S. Ogawa and S. Okuno and H. Ono and P. Pakhlov and G. Pakhlova and B. Pal and S. Pardi and H. Park and S. Paul and Pedlar, \{T. K.\} and R. Pestotnik and Piilonen, \{L. E.\} and V. Popov and E. Prencipe and A. Rabusov and A. Rostomyan and G. Russo and D. Sahoo and Y. Sakai and M. Salehi and S. Sandilya and L. Santelj and T. Sanuki and V. Savinov and O. Schneider and G. Schnell and C. Schwanda and R. Seidl and Y. Seino and K. Senyo and O. Seon and Sevior, \{M. E.\} and V. Shebalin and Shen, \{C. P.\} and Shibata, \{T. A.\} and Shiu, \{J. G.\} and F. Simon and A. Sokolov and E. Solovieva and M. Stari{\v c} and Strube, \{J. F.\} and M. Sumihama and T. Sumiyoshi and W. Sutcliffe and K. Suzuki and M. Takizawa and U. Tamponi and K. Tanida and F. Tenchini and M. Uchida and T. Uglov and Y. Unno and S. Uno and P. Urquijo and Y. Usov and Vahsen, \{S. E.\} and \{Van Hulse\}, C. and \{Van Tonder\}, R. and G. Varner and A. Vinokurova and V. Vorobyev and E. Waheed and B. Wang and Wang, \{C. H.\} and Wang, \{M. Z.\} and P. Wang and Wang, \{X. L.\} and S. Watanuki and E. Widmann and E. Won and H. Ye and J. Yelton and Yin, \{J. H.\} and Yuan, \{C. Z.\} and Y. Yusa and Zhang, \{Z. P.\} and V. Zhilich and V. Zhukova and V. Zhulanov and A. Zupanc",

note = "Publisher Copyright: {\textcopyright} 2019 authors.",

year = "2019",

doi = "10.1103/PhysRevLett.122.042001",

language = "English",

volume = "122",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "4",

}

Guan, Y, Vossen, A, Adachi, I, Adamczyk, K, Ahn, JK, Aihara, H, Al Said, S, Asner, DM, Atmacan, H, Aulchenko, V, Aushev, T, Ayad, R, Babu, V, Badhrees, I, Bakich, AM, Bansal, V, Behera, P, Beleño, C, Berger, M, Bhardwaj, V, Bhuyan, B, Bilka, T, Biswal, J, Bobrov, A, Bonvicini, G, Bozek, A, Bračko, M, Browder, TE, Cao, L, Červenkov, D, Chang, P, Chekelian, V, Chen, A, Cheon, BG, Chilikin, K, Cho, K, Choi, SK, Choi, Y, Cinabro, D, Cunliffe, S, Dash, N, Di Carlo, S, Dingfelder, J, DoleŽal, Z, Dong, TV, Drásal, Z, Eidelman, S, Epifanov, D, Fast, JE, Ferber, T, Fulsom, BG, Garg, R, Gaur, V, Gabyshev, N, Garmash, A, Gelb, M, Giri, A, Goldenzweig, P, Golob, B, Guido, E, Haba, J, Hayasaka, K, Hayashii, H, Hirose, S, Hou, WS, Iijima, T, Inami, K, Inguglia, G, Ishikawa, A, Itoh, R, Iwasaki, M, Iwasaki, Y, Jacobs, WW, Jaegle, I, Jeon, HB, Jia, S, Jin, Y, Joffe, D, Joo, KK, Julius, T, Kang, KH, Kawasaki, T, Kiesling, C, Kim, DY, Kim, HJ, Kim, JB, Kim, KT, Kim, SH, Kinoshita, K, Kodyš, P, Korpar, S, Kotchetkov, D, KriŽan, P, Kroeger, R, Krokovny, P, Kuhr, T, Kulasiri, R, Kuzmin, A, Kwon, YJ, Lange, JS, Lee, IS, Lee, SC, Li, LK, Li, YB, Li Gioi, L, Libby, J, Liventsev, D, Lubej, M, Luo, T, Masuda, M, Matsuda, T, Matvienko, D, Merola, M, Miyata, H, Mizuk, R, Mohanty, GB, Moon, HK, Mori, T, Mussa, R, Nakao, M, Nanut, T, Nath, KJ, Natkaniec, Z, Nayak, M, Niiyama, M, Nisar, NK, Nishida, S, Ogawa, S, Okuno, S, Ono, H, Pakhlov, P, Pakhlova, G, Pal, B, Pardi, S, Park, H, Paul, S, Pedlar, TK, Pestotnik, R, Piilonen, LE, Popov, V, Prencipe, E, Rabusov, A, Rostomyan, A, Russo, G, Sahoo, D, Sakai, Y, Salehi, M, Sandilya, S, Santelj, L, Sanuki, T, Savinov, V, Schneider, O, Schnell, G, Schwanda, C, Seidl, R, Seino, Y, Senyo, K, Seon, O, Sevior, ME, Shebalin, V, Shen, CP, Shibata, TA, Shiu, JG, Simon, F, Sokolov, A, Solovieva, E, Starič, M, Strube, JF, Sumihama, M, Sumiyoshi, T, Sutcliffe, W, Suzuki, K, Takizawa, M, Tamponi, U, Tanida, K, Tenchini, F, Uchida, M, Uglov, T, Unno, Y, Uno, S, Urquijo, P, Usov, Y, Vahsen, SE, Van Hulse, C, Van Tonder, R, Varner, G, Vinokurova, A, Vorobyev, V, Waheed, E, Wang, B, Wang, CH, Wang, MZ, Wang, P, Wang, XL, Watanuki, S, Widmann, E, Won, E, Ye, H, Yelton, J, Yin, JH, Yuan, CZ, Yusa, Y, Zhang, ZP, Zhilich, V, Zhukova, V, Zhulanov, V & Zupanc, A 2019, 'Observation of Transverse Λ / Λ Hyperon Polarization in e+e- Annihilation at Belle', Physical Review Letters, vol. 122, no. 4, 042001. https://doi.org/10.1103/PhysRevLett.122.042001

TY - JOUR

T1 - Observation of Transverse Λ / Λ Hyperon Polarization in e+e- Annihilation at Belle

AU - Guan, Y.

AU - Vossen, A.

AU - Adachi, I.

AU - Adamczyk, K.

AU - Ahn, J. K.

AU - Aihara, H.

AU - Al Said, S.

AU - Asner, D. M.

AU - Atmacan, H.

AU - Aulchenko, V.

AU - Aushev, T.

AU - Ayad, R.

AU - Babu, V.

AU - Badhrees, I.

AU - Bakich, A. M.

AU - Bansal, V.

AU - Behera, P.

AU - Beleño, C.

AU - Berger, M.

AU - Bhardwaj, V.

AU - Bhuyan, B.

AU - Bilka, T.

AU - Biswal, J.

AU - Bobrov, A.

AU - Bonvicini, G.

AU - Bozek, A.

AU - Bračko, M.

AU - Browder, T. E.

AU - Cao, L.

AU - Červenkov, D.

AU - Chang, P.

AU - Chekelian, V.

AU - Chen, A.

AU - Cheon, B. G.

AU - Chilikin, K.

AU - Cho, K.

AU - Choi, S. K.

AU - Choi, Y.

AU - Cinabro, D.

AU - Cunliffe, S.

AU - Dash, N.

AU - Di Carlo, S.

AU - Dingfelder, J.

AU - DoleŽal, Z.

AU - Dong, T. V.

AU - Drásal, Z.

AU - Eidelman, S.

AU - Epifanov, D.

AU - Fast, J. E.

AU - Ferber, T.

AU - Fulsom, B. G.

AU - Garg, R.

AU - Gaur, V.

AU - Gabyshev, N.

AU - Garmash, A.

AU - Gelb, M.

AU - Giri, A.

AU - Goldenzweig, P.

AU - Golob, B.

AU - Guido, E.

AU - Haba, J.

AU - Hayasaka, K.

AU - Hayashii, H.

AU - Hirose, S.

AU - Hou, W. S.

AU - Iijima, T.

AU - Inami, K.

AU - Inguglia, G.

AU - Ishikawa, A.

AU - Itoh, R.

AU - Iwasaki, M.

AU - Iwasaki, Y.

AU - Jacobs, W. W.

AU - Jaegle, I.

AU - Jeon, H. B.

AU - Jia, S.

AU - Jin, Y.

AU - Joffe, D.

AU - Joo, K. K.

AU - Julius, T.

AU - Kang, K. H.

AU - Kawasaki, T.

AU - Kiesling, C.

AU - Kim, D. Y.

AU - Kim, H. J.

AU - Kim, J. B.

AU - Kim, K. T.

AU - Kim, S. H.

AU - Kinoshita, K.

AU - Kodyš, P.

AU - Korpar, S.

AU - Kotchetkov, D.

AU - KriŽan, P.

AU - Kroeger, R.

AU - Krokovny, P.

AU - Kuhr, T.

AU - Kulasiri, R.

AU - Kuzmin, A.

AU - Kwon, Y. J.

AU - Lange, J. S.

AU - Lee, I. S.

AU - Lee, S. C.

AU - Li, L. K.

AU - Li, Y. B.

AU - Li Gioi, L.

AU - Libby, J.

AU - Liventsev, D.

AU - Lubej, M.

AU - Luo, T.

AU - Masuda, M.

AU - Matsuda, T.

AU - Matvienko, D.

AU - Merola, M.

AU - Miyata, H.

AU - Mizuk, R.

AU - Mohanty, G. B.

AU - Moon, H. K.

AU - Mori, T.

AU - Mussa, R.

AU - Nakao, M.

AU - Nanut, T.

AU - Nath, K. J.

AU - Natkaniec, Z.

AU - Nayak, M.

AU - Niiyama, M.

AU - Nisar, N. K.

AU - Nishida, S.

AU - Ogawa, S.

AU - Okuno, S.

AU - Ono, H.

AU - Pakhlov, P.

AU - Pakhlova, G.

AU - Pal, B.

AU - Pardi, S.

AU - Park, H.

AU - Paul, S.

AU - Pedlar, T. K.

AU - Pestotnik, R.

AU - Piilonen, L. E.

AU - Popov, V.

AU - Prencipe, E.

AU - Rabusov, A.

AU - Rostomyan, A.

AU - Russo, G.

AU - Sahoo, D.

AU - Sakai, Y.

AU - Salehi, M.

AU - Sandilya, S.

AU - Santelj, L.

AU - Sanuki, T.

AU - Savinov, V.

AU - Schneider, O.

AU - Schnell, G.

AU - Schwanda, C.

AU - Seidl, R.

AU - Seino, Y.

AU - Senyo, K.

AU - Seon, O.

AU - Sevior, M. E.

AU - Shebalin, V.

AU - Shen, C. P.

AU - Shibata, T. A.

AU - Shiu, J. G.

AU - Simon, F.

AU - Sokolov, A.

AU - Solovieva, E.

AU - Starič, M.

AU - Strube, J. F.

AU - Sumihama, M.

AU - Sumiyoshi, T.

AU - Sutcliffe, W.

AU - Suzuki, K.

AU - Takizawa, M.

AU - Tamponi, U.

AU - Tanida, K.

AU - Tenchini, F.

AU - Uchida, M.

AU - Uglov, T.

AU - Unno, Y.

AU - Uno, S.

AU - Urquijo, P.

AU - Usov, Y.

AU - Vahsen, S. E.

AU - Van Hulse, C.

AU - Van Tonder, R.

AU - Varner, G.

AU - Vinokurova, A.

AU - Vorobyev, V.

AU - Waheed, E.

AU - Wang, B.

AU - Wang, C. H.

AU - Wang, M. Z.

AU - Wang, P.

AU - Wang, X. L.

AU - Watanuki, S.

AU - Widmann, E.

AU - Won, E.

AU - Ye, H.

AU - Yelton, J.

AU - Yin, J. H.

AU - Yuan, C. Z.

AU - Yusa, Y.

AU - Zhang, Z. P.

AU - Zhilich, V.

AU - Zhukova, V.

AU - Zhulanov, V.

AU - Zupanc, A.

PY - 2019

Y1 - 2019

N2 - We report the first observation of the spontaneous polarization of Λ and Λ hyperons transverse to the production plane in e+e- annihilation, which is attributed to the effect arising from a polarizing fragmentation function. For inclusive Λ/Λ production, we also report results with subtracted feed-down contributions from Σ0 and charm. This measurement uses a dataset of 800.4 fb-1 collected by the Belle experiment at or near a center-of-mass energy of 10.58 GeV. We observe a significant polarization that rises with the fractional energy carried by the Λ/Λ hyperon.

AB - We report the first observation of the spontaneous polarization of Λ and Λ hyperons transverse to the production plane in e+e- annihilation, which is attributed to the effect arising from a polarizing fragmentation function. For inclusive Λ/Λ production, we also report results with subtracted feed-down contributions from Σ0 and charm. This measurement uses a dataset of 800.4 fb-1 collected by the Belle experiment at or near a center-of-mass energy of 10.58 GeV. We observe a significant polarization that rises with the fractional energy carried by the Λ/Λ hyperon.

UR - https://www.scopus.com/pages/publications/85060981822

U2 - 10.1103/PhysRevLett.122.042001

DO - 10.1103/PhysRevLett.122.042001

M3 - Article

C2 - 30768311

AN - SCOPUS:85060981822

SN - 0031-9007

VL - 122

JO - Physical Review Letters

JF - Physical Review Letters

IS - 4

M1 - 042001

ER -

Observation of Transverse Λ / Λ Hyperon Polarization in e+e- Annihilation at Belle

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