Evidence of a structure in (K)over-bar(0)Lambda(+)(c) consistent with a charged Xi(c)(2930)(+), and updated measurement of (B)over-bar(0) -> (K)over-bar(0)Lambda(+)(c) (Lambda)over-bar(c)(-) at Belle

Y. B. Li; C. P. Shen; I. Adachi; H. Aihara; S. Al Said; D. M. Asner; T. Aushev; R. Ayad; V. Babu; I. Badhrees; S. Bahinipati; Y. Ban; V. Bansal; P. Behera; C. Beleno; V. Bhardwaj; B. Bhuyan; J. Biswal; A. Bobrov; A. Bozek; M. Bracko; T. E. Browder; L. Cao; D. Cervenkov; P. Chang; V. Chekelian; A. Chen; B. G. Cheon; K. Chilikin; K. Cho; S. -K. Choi; Y. Choi; S. Choudhury; D. Cinabro; S. Cunliffe; N. Dash; S. Di Carlo; J. Dingfelder; Z. Dolezal; T. V. Dong; Z. Drasal; S. Eidelman; D. Epifanov; J. E. Fast; B. G. Fulsom; R. Garg; V. Gaur; N. Gabyshev; A. Garmash; M. Gelb; A. Giri; P. Goldenzweig; B. Golob; J. Haba; K. Hayasaka; 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; K. K. Joo; A. B. Kaliyar; K. H. Kang; Y. Kato; T. Kawasaki; D. Y. Kim; J. B. Kim; S. H. Kim; K. Kinoshita; P. Kodys; S. Korpar; D. Kotchetkov; P. Krizan; R. Kroeger; P. Krokovny; T. Kuhr; Y. -J. Kwon; J. S. Lange; I. S. Lee; S. C. Lee; L. K. Li; L. Li Gioi; J. Libby; D. Liventsev; T. Luo; D. Matvienko; M. Merola; H. Miyata; R. Mizuk; H. K. Moon; T. Mori; R. Mussa; E. Nakano; T. Nanut; K. J. Nath; Z. Natkaniec; M. Nayak; N. K. Nisar; S. Nishida; K. Nishimura; K. 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. Rostomyan; G. Russo; Y. Sakai; M. Salehi; S. Sandilya; L. Santelj; T. Sanuki; V. Savinov; O. Schneider; G. Schnell; C. Schwanda; Y. Seino; K. Senyo; O. Seon; M. E. Sevior; T. -A. Shibata; J. -G. Shiu; E. Solovieva; M. Staric; J. F. Strube; M. Sumihama; T. Sumiyoshi; M. Takizawa; U. Tamponi; K. Tanida; F. Tenchini; M. Uchida; T. Uglov; Y. Unno; S. Uno; Y. Usov; C. Van Hulse; R. Van Tonder; G. Varner; K. E. Varvell; 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

doi:10.1140/epjc/s10052-018-6425-5

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Evidence of a structure in (K)over-bar(0)Lambda(+)(c) consistent with a charged Xi(c)(2930)(+), and updated measurement of (B)over-bar(0) -> (K)over-bar(0)Lambda(+)(c) (Lambda)over-bar(c)(-) at Belle

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Evidence of a structure in (K)over-bar(0)Lambda(+)(c) consistent with a charged Xi(c)(2930)(+), and updated measurement of (B)over-bar(0) -> (K)over-bar(0)Lambda(+)(c) (Lambda)over-bar(c)(-) at Belle

Y. B. Li, C. P. Shen, I. Adachi, H. Aihara, S. Al Said, D. M. Asner, T. Aushev, R. Ayad, V. Babu, I. Badhrees, …

The European physical journal. C, Particles and fields, Vol.78(11)

13/11/2018

DOI: https://doi.org/10.1140/epjc/s10052-018-6425-5

Abstract

Physical Sciences

Physics

Physics, Particles & Fields

Science & Technology

We report evidence for the charged charmed-strange baryon Xi(c)(2930)(+) with a signal significance of 3.9 sigma with systematic errors included. The charged Xi(c)(2930)(+) is found in its decay to K-S(0)Lambda(+)(c) in the substructure of (B) over bar (0) -> K-S(0)Lambda(+)(c)(Lambda) over bar (-)(c) decays. The measured mass and width are [2942.3 +/- 4.4(stat.) +/- 1.5(syst.)] MeV/c(2) and [14.8 +/- 8.8(stat.) +/- 2.5(syst.)] MeV, respectively, and the product branching fraction is B((B) over bar (0) -> Xi(c)(2930)(+)(Lambda) over bar (-)(c)) B(Xi(c)(2930)(+) -> (K) over bar (0)(S)Lambda(+)(c)) = [2.37 +/- 0.51(stat.) +/- 0.31 (syst.)] x 10(-4). We also measure B((B) over bar (0) -> (K) over bar (0)(S)Lambda(+)(c)(Lambda) over bar (-)(c)) = [3.99 +/- 0.76(stat.) +/- 0.51(syst.)] x 10(-4) with greater precision than previous experiments, and present the results of a search for the charmonium-like state Y (4660) and its spin partner, Y-eta, in the Lambda(+)(c)(Lambda) over bar (-)(c) invariant mass spectrum. No clear signals of the Y (4660) or Y-eta are observed and the 90% credibility level (C.L.) upper limits on their production rates are determined. Thesemeasurements are obtained from a sample of (772 +/- 11) x 10(6) B (B) over bar pairs collected at the Upsilon(4S) resonance by the Belle detector at the KEKB asymmetric energy electron-positron collider.

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Title: Evidence of a structure in (K)over-bar(0)Lambda(+)(c) consistent with a charged Xi(c)(2930)(+), and updated measurement of (B)over-bar(0) -> (K)over-bar(0)Lambda(+)(c) (Lambda)over-bar(c)(-) at Belle
Creators - without role: Y. B. Li - Peking University
C. P. Shen - Beihang University
I. Adachi - The Graduate University for Advanced Studies, SOKENDAI
H. Aihara - The University of Tokyo
S. Al Said - King Abdulaziz University
D. M. Asner - Brookhaven National Laboratory
T. Aushev - Moscow Institute of Physics and Technology (Russia, Dolgoprudnyy) - MIPT
R. Ayad - University of Tabuk
V. Babu - Tata Institute of Fundamental Research
I. Badhrees - King Abdulaziz City for Science and Technology
S. Bahinipati - Indian Institute of Technology Bhubaneswar
Y. Ban - Peking University
V. Bansal - Pacific Northwest National Laboratory
P. Behera - Indian Institute of Technology Madras
C. Beleno - University of Göttingen
V. Bhardwaj - Indian Institute of Science Education and Research Mohali
B. Bhuyan - Indian Institute of Technology Guwahati
J. Biswal - Jožef Stefan Institute
A. Bobrov - Siberian Branch of the Russian Academy of Sciences
A. Bozek - Institute of Nuclear Physics, Polish Academy of Sciences
M. Bracko - University of Maribor
T. E. Browder - University of Hawaii System
L. Cao - Karlsruhe Institute of Technology
D. Cervenkov - Charles University
P. Chang - National Taiwan University
V. Chekelian - Max Planck Institute for Physics
A. Chen - National Central University
B. G. Cheon - Hanyang University
K. Chilikin - P.N. Lebedev Physical Institute of the Russian Academy of Sciences
K. Cho - Korea Institute of Science & Technology Information
S. -K. Choi - Gyeongsang National University
Y. Choi - Sungkyunkwan University
S. Choudhury - Indian Institute of Technology Hyderabad
D. Cinabro - Wayne State University
S. Cunliffe - Deutsches Elektronen-Synchrotron DESY
N. Dash - Indian Institute of Technology Bhubaneswar
S. Di Carlo - University of Paris-Saclay
J. Dingfelder - University of Bonn
Z. Dolezal - Charles University
T. V. Dong - The Graduate University for Advanced Studies, SOKENDAI
Z. Drasal - Charles University
S. Eidelman - Siberian Branch of the Russian Academy of Sciences
D. Epifanov - Siberian Branch of the Russian Academy of Sciences
J. E. Fast - Pacific Northwest National Laboratory
B. G. Fulsom - Pacific Northwest National Laboratory
R. Garg - Panjab University
V. Gaur - Virginia Tech
N. Gabyshev - Siberian Branch of the Russian Academy of Sciences
A. Garmash - Siberian Branch of the Russian Academy of Sciences
M. Gelb - Karlsruhe Institute of Technology
A. Giri - Indian Institute of Technology Hyderabad
P. Goldenzweig - Karlsruhe Institute of Technology
B. Golob - Jožef Stefan Institute
J. Haba - The Graduate University for Advanced Studies, SOKENDAI
K. Hayasaka - Niigata University
S. Hirose - Nagoya University
W. -S. Hou - National Taiwan University
T. Iijima - Nagoya University
K. Inami - Nagoya University
G. Inguglia - Deutsches Elektronen-Synchrotron DESY
A. Ishikawa - Tohoku University
R. Itoh - High Energy Accelerator Research Organization
M. Iwasaki - Osaka City University
Y. Iwasaki - High Energy Accelerator Research Organization
W. W. Jacobs - Indiana University Bloomington
I. Jaegle - University of Florida
H. B. Jeon - Kyungpook National University
S. Jia - Beihang University
Y. Jin - The University of Tokyo
K. K. Joo - Chonnam National University
A. B. Kaliyar - Indian Institute of Technology Madras
K. H. Kang - Kyungpook National University
Y. Kato - Nagoya University
T. Kawasaki - Niigata University
D. Y. Kim - Soongsil University
J. B. Kim - University of Seoul
S. H. Kim - Hanyang University
K. Kinoshita - University of Cincinnati
P. Kodys - Charles University
S. Korpar - University of Maribor
D. Kotchetkov - University of Hawaii System
P. Krizan - University of Ljubljana
R. Kroeger - University of Mississippi
P. Krokovny - Budker Institute of Nuclear Physics
T. Kuhr - Ludwig-Maximilians-Universität München
Y. -J. Kwon - Yonsei University
J. S. Lange - University of Giessen
I. S. Lee - Hanyang University
S. C. Lee - Kyungpook Natl Univ, Daegu 702701, South Korea
L. K. Li - Institute of High Energy Physics
L. Li Gioi - Max
J. Libby - Indian Institute of Technology Madras
D. Liventsev - Virginia Tech
T. Luo - Institute of Modern Physics
D. Matvienko - Budker Institute of Nuclear Physics
M. Merola - INFN Sezione di Napoli
H. Miyata - Niigata University
R. Mizuk - P.N. Lebedev Physical Institute of the Russian Academy of Sciences
H. K. Moon - Korea University
T. Mori - Nagoya University
R. Mussa - Ist Nazl Fis Nucl, Sez Torino, I-10125 Turin, Italy
E. Nakano - Osaka City University
T. Nanut - J Stefan Inst, Ljubljana 1000, Slovenia
K. J. Nath - Indian Institute of Technology Guwahati
Z. Natkaniec - H Niewodniczanski Inst Nucl Phys, PL-31342 Krakow, Poland
M. Nayak - KEK, High Energy Accelerator Res Org, Tsukuba, Ibaraki 3050801, Japan
N. K. Nisar - University of Pittsburgh
S. Nishida - Grad Univ Adv Studies, SOKENDAI, Hayama 2400193, Japan
K. Nishimura - University of Hawaii System
K. Ogawa - Niigata University
S. Okuno - Kanagawa University
H. Ono - Nippon Dent Univ, Niigata 9518580, Japan
P. Pakhlov - Russian Acad Sci, PN Lebedev Phys Inst, Moscow 119991, Russia
G. Pakhlova - Russian Acad Sci, PN Lebedev Phys Inst, Moscow 119991, Russia
B. Pal - Brookhaven Natl Lab, Upton, NY 11973 USA
S. Pardi - Ist Nazl Fis Nucl, Sez Napoli, I-80126 Naples, Italy
H. Park - Kyungpook Natl Univ, Daegu 702701, South Korea
S. Paul - Tech Univ Munich, Dept Phys, D-85748 Garching, Germany
T. K. Pedlar - Luther Coll, Decorah, IA 52101 USA
R. Pestotnik - J Stefan Inst, Ljubljana 1000, Slovenia
L. E. Piilonen - Virginia Polytech Inst & State Univ, Blacksburg, VA 24061 USA
V. Popov - Russian Acad Sci, PN Lebedev Phys Inst, Moscow 119991, Russia
E. Prencipe - Forschungszentrum Jülich
A. Rostomyan - DESY, D-22607 Hamburg, Germany
G. Russo - Ist Nazl Fis Nucl, Sez Napoli, I-80126 Naples, Italy
Y. Sakai - Grad Univ Adv Studies, SOKENDAI, Hayama 2400193, Japan
M. Salehi - Ludwig Maximilians Univ Munchen, D-80539 Munich, Germany
S. Sandilya - University of Cincinnati
L. Santelj - KEK, High Energy Accelerator Res Org, Tsukuba, Ibaraki 3050801, Japan
T. Sanuki - Tohoku University
V. Savinov - University of Pittsburgh
O. Schneider - Federal Reserve
G. Schnell - University of the Basque Country
C. Schwanda - Inst High Energy Phys, A-1050 Vienna, Austria
Y. Seino - Niigata University
K. Senyo - Yamagata University
O. Seon - Nagoya University
M. E. Sevior - University of Melbourne
T. -A. Shibata - Tokyo Institute of Technology
J. -G. Shiu - Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan
E. Solovieva - Russian Acad Sci, PN Lebedev Phys Inst, Moscow 119991, Russia
M. Staric - J Stefan Inst, Ljubljana 1000, Slovenia
J. F. Strube - Pacific Northwest Natl Lab, Richland, WA 99352 USA
M. Sumihama - Gifu University
T. Sumiyoshi - Tokyo Metropolitan University
M. Takizawa - Japan Proton Accelerator Research Complex
U. Tamponi - Ist Nazl Fis Nucl, Sez Torino, I-10125 Turin, Italy
K. Tanida - Japan Atom Energy Agcy, Adv Sci Res Ctr, Naka, Ibaraki 3191195, Japan
F. Tenchini - University of Melbourne
M. Uchida - Tokyo Institute of Technology
T. Uglov - Russian Acad Sci, PN Lebedev Phys Inst, Moscow 119991, Russia
Y. Unno - Hanyang University
S. Uno - Grad Univ Adv Studies, SOKENDAI, Hayama 2400193, Japan
Y. Usov - Siberian Branch of the Russian Academy of Sciences
C. Van Hulse - University of the Basque Country
R. Van Tonder - Karlsruher Inst Technol, Inst Expt Kernphys, D-76131 Karlsruhe, Germany
G. Varner - University of Hawaii System
K. E. Varvell - University of Sydney
V. Vorobyev - Siberian Branch of the Russian Academy of Sciences
E. Waheed - University of Melbourne
B. Wang - University of Cincinnati
C. H. Wang - Natl United Univ, Miaoli 36003, Taiwan
M. -Z. Wang - Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan
P. Wang - Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
X. L. Wang - Univ Florida, Gainesville, FL 32611 USA
S. Watanuki - Tohoku University
E. Widmann - Meyer
E. Won - University of Seoul
H. Ye - DESY, D-22607 Hamburg, Germany
J. Yelton - Univ Florida, Gainesville, FL 32611 USA
J. H. Yin - Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
C. Z. Yuan - Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
Y. Yusa - Niigata University
Z. P. Zhang - Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China
V. Zhilich - Siberian Branch of the Russian Academy of Sciences
V. Zhukova - Russian Acad Sci, PN Lebedev Phys Inst, Moscow 119991, Russia
V. Zhulanov - Siberian Branch of the Russian Academy of Sciences
Publication Details: The European physical journal. C, Particles and fields, Vol.78(11)
Publisher: Springer Nature
Number of pages: 8
Identifiers: 9918744608331
Academic Unit: King Abdulaziz City for Science & Technology; University of Tabuk; King Abdullah University of Science & Technology
Language: English
Resource Type: Journal article