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13 results on '"Anatoliy Guskov"'

1. Improved model-independent determination of the strong-phase difference between D0 and D¯0→KS,L0K+K− decays

Author

Stefano Spataro, Antonio Amoroso, Ilaria BALOSSINO, Meike Kuessner, Yunxuan Song, Alessio Mangoni, Hajime Muramatsu, Michela Greco, Alexey Zhemchugov, Qiang Zhao, Riccardo Farinelli, Anatoliy Guskov, Riccardo Aliberti, Yifang Wang, Lia Lavezzi, Jens Sören Lange, Liaoyuan Dong, Francesca De Mori, Onur Bugra Kolcu, Alfons Khoukaz, Yuxiang Zhao, Marco Giovanni Maria Destefanis, Weimin Song, Krishnakumar Ravindran, Banzragch Tsednee, Patrik Adlarson, Mikhail Achasov, Johan Messchendorp, Ralf Kliemt, Hongrong Qi, Peirong Li, Xiang Liu, Giulio Mezzadri, Alberto Bortone, Fabio Cossio, and Karin Schoenning

Subjects
Phase difference, Physics, Particle physics, Meson, 010308 nuclear & particles physics, Bar (music), High Energy Physics::Phenomenology, 0103 physical sciences, High Energy Physics::Experiment, Charm (quantum number), Nuclear Experiment, 010306 general physics, 01 natural sciences
Abstract

We present a measurement of the strong-phase difference between D-0 and (D) over bar (0) -> (KS,LK+K-)-K-0 decays, performed through a study of quantum-entangled pairs of charm mesons. The measu ...

Published
2020
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2. Inclusive charged and neutral particle multiplicity distributions in χcJ and J/ψ decays

Author

Stefano Spataro, Antonio Amoroso, Ilaria BALOSSINO, Meike Kuessner, Alessio Mangoni, Hajime Muramatsu, Michela Greco, Alexey Zhemchugov, Riccardo Farinelli, Anatoliy Guskov, Yifang Wang, Lia Lavezzi, Jens Sören Lange, Onur Bugra Kolcu, Alfons Khoukaz, Marco Giovanni Maria Destefanis, Vindhyawasini Prasad, Banzragch Tsednee, Patrik Adlarson, Mikhail Achasov, Johan Messchendorp, Ralf Kliemt, Hongrong Qi, Xiang Liu, Giulio Mezzadri, Alberto Bortone, Tord Johansson, Fabio Cossio, and Karin Schoenning

Subjects
Physics, Particle physics, 010308 nuclear & particles physics, Astrophysics::High Energy Astrophysical Phenomena, 0103 physical sciences, High Energy Physics::Experiment, Multiplicity (chemistry), 010306 general physics, Neutral particle, 01 natural sciences
Abstract

Using a sample of 106 million psi(3686) decays, psi(3686) -> gamma chi(cJ) (J = 0, 1, 2) and psi(3686) -> gamma chi(cJ), chi(cJ) -> gamma J/psi (J = 1, 2) events are utilized to study incl ...

Published
2020
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3. Observation of the Y(4220) and Y(4390) in the process e+e−→ηJ/ψ

Author

Stefano Spataro, Antonio Amoroso, Ilaria BALOSSINO, Meike Kuessner, Yunxuan Song, Alessio Mangoni, Hajime Muramatsu, Xin Shi, Michela Greco, Alexey Zhemchugov, Qiang Zhao, Riccardo Farinelli, Anatoliy Guskov, Yifang Wang, Lia Lavezzi, Jens Sören Lange, Liaoyuan Dong, Francesca De Mori, Onur Bugra Kolcu, Alfons Khoukaz, Yuxiang Zhao, Marco Giovanni Maria Destefanis, Weimin Song, Banzragch Tsednee, Patrik Adlarson, Mikhail Achasov, Johan Messchendorp, Ralf Kliemt, Hongrong Qi, Peirong Li, Xiang Liu, Giulio Mezzadri, Alberto Bortone, Fabio Cossio, and Karin Schoenning

Subjects
Physics, 010308 nuclear & particles physics, 0103 physical sciences, Analytical chemistry, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics, 01 natural sciences
Abstract

The cross sections of the process e(+)e(-) -> eta J/psi lip at center-of-mass energies (root s) between 3.81 and 4.60 GeV are measured with high precision by using data samples collected with th ...

Published
2020
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4. Study of the process e+e−→π0π0J/ψ and neutral charmoniumlike state Zc(3900)0

Author

Stefano Spataro, Peilian Li, Antonio Amoroso, Ilaria BALOSSINO, Meike Kuessner, Hajime Muramatsu, Michela Greco, Alexey Zhemchugov, Riccardo Farinelli, Anatoliy Guskov, Yifang Wang, Lia Lavezzi, Jens Sören Lange, Onur Bugra Kolcu, Alfons Khoukaz, Marco Giovanni Maria Destefanis, Banzragch Tsednee, Patrik Adlarson, Mikhail Achasov, Johan Messchendorp, Ralf Kliemt, Hongrong Qi, Xiang Liu, Alberto Bortone, Fabio Cossio, and Karin Schoenning

Subjects
Physics, 010308 nuclear & particles physics, 0103 physical sciences, Pi, Analytical chemistry, State (functional analysis), 010306 general physics, 7. Clean energy, 01 natural sciences, 3. Good health
Abstract

Cross sections of the process e(+)e(-) -> pi(0)pi(0)J/psi at center-of-mass energies between 3.808 and 4.600 GeV are measured with high precision by using 12.4 fb(-1) of data samples collected w ...

Published
2020
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5. Measurement of the Born cross sections for e+e−→Ds+Ds1(2460)−+c.c. and e+e−→Ds*+Ds1(2460)−+c.c

Author

Stefano Spataro, Antonio Amoroso, Ilaria BALOSSINO, Meike Kuessner, Alessio Mangoni, Hongbang Liu, Hajime Muramatsu, Xin Shi, Michela Greco, Alexey Zhemchugov, Riccardo Farinelli, Anatoliy Guskov, Yifang Wang, Lia Lavezzi, Jens Sören Lange, Onur Bugra Kolcu, Nils Huesken, Alfons Khoukaz, Marco Giovanni Maria Destefanis, Banzragch Tsednee, Kamal Saoucha, Patrik Adlarson, Mikhail Achasov, Johan Messchendorp, Ralf Kliemt, Hongrong Qi, Xiang Liu, Giulio Mezzadri, Alberto Bortone, Fabio Cossio, and Karin Schoenning

Subjects
Physics, 010308 nuclear & particles physics, 0103 physical sciences, Analytical chemistry, 010306 general physics, 01 natural sciences
Abstract

The processes e(+)e(-) -> D-s(+) D-s1 (2460)(-) + c.c. and e(+) e(-) -> D-s*(+) D-s1 (2460)(-)+ c.c. are studied for the first time using data samples collected with the BESIII detector at th ...

Published
2020
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6. Measurement of J/ψ→Ξ(1530)−Ξ¯+ and evidence for the radiative decay Ξ(1530)−→γΞ−

Author

Stefano Spataro, Antonio Amoroso, Ilaria BALOSSINO, Meike Kuessner, Alessio Mangoni, Hongbang Liu, Hajime Muramatsu, Xin Shi, Michela Greco, Alexey Zhemchugov, Riccardo Farinelli, Anatoliy Guskov, Yifang Wang, Lia Lavezzi, Jens Sören Lange, Onur Bugra Kolcu, Nils Huesken, Alfons Khoukaz, Marco Giovanni Maria Destefanis, Vindhyawasini Prasad, Banzragch Tsednee, Patrik Adlarson, Johan Messchendorp, Ralf Kliemt, Hongrong Qi, Giulio Mezzadri, Fabio Cossio, and Karin Schoenning

Subjects
Physics, Nuclear physics, 010308 nuclear & particles physics, Electron–positron annihilation, 0103 physical sciences, Radiative decay, 010306 general physics, 01 natural sciences, Bar (unit)
Abstract

The SU(3)-flavor violating decay J/psi -> Xi(1530)(-) (Xi) over bar (+) + c.c. is studied using (1310.6 +/- 7.0) x 10(6) J/psi events collected with the BESIII detector at BEPCII, and the branch ...

Published
2020
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7. Amplitude analysis of D+→KS0π+π+π−

Author

Stefano Spataro, Antonio Amoroso, Meike Kuessner, Alessio Mangoni, Hongbang Liu, Hajime Muramatsu, Xin Shi, Yu Lu, Michela Greco, Alexey Zhemchugov, Qiang Zhao, Riccardo Farinelli, Xiaonan Li, Anatoliy Guskov, Yifang Wang, Lia Lavezzi, Jens Sören Lange, Liaoyuan Dong, Francesca De Mori, Onur Bugra Kolcu, Alfons Khoukaz, Banzragch Tsednee, Johan Messchendorp, Ralf Kliemt, Peirong Li, Xiang Liu, Giulio Mezzadri, Fabio Cossio, and Karin Schoenning

Subjects
Physics, Amplitude, 010308 nuclear & particles physics, 0103 physical sciences, Detector, Pi, Analytical chemistry, 010306 general physics, 01 natural sciences
Abstract

The decay D+-> K-S(0)pi(+)pi(+)pi(-) is studied with an amplitude analysis using a data set of 2.93 fb(-1) of e(+)e(-) collisions at the psi(3770) peak accumulated by the BESIII detector. Interm ...

Published
2019
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8. Improved measurements of the absolute branching fractions of the inclusive decays D+(0)→ϕX

Author

Stefano Spataro, Antonio Amoroso, Hailong Ma, Ilaria BALOSSINO, Meike Kuessner, Alessio Mangoni, Hongbang Liu, Hajime Muramatsu, Xin Shi, Michela Greco, Alexey Zhemchugov, Qiang Zhao, Riccardo Farinelli, Xiaonan Li, Anatoliy Guskov, Jiahui Wei, Yifang Wang, Lia Lavezzi, Jens Sören Lange, Liaoyuan Dong, Francesca De Mori, Onur Bugra Kolcu, Alfons Khoukaz, Vindhyawasini Prasad, Banzragch Tsednee, Patrik Adlarson, Johan Messchendorp, Ralf Kliemt, Peirong Li, Ming-Gang Zhao, Xiang Liu, Giulio Mezzadri, Fabio Cossio, and Karin Schoenning

Subjects
Nuclear physics, Physics, Annihilation, 010308 nuclear & particles physics, 0103 physical sciences, Detector, High Energy Physics::Experiment, 010306 general physics, Branching (polymer chemistry), 01 natural sciences
Abstract

By analyzing 2.93 fb(-1) of e(+)e(-) annihilation data taken at the center-of-mass energy root s = 3.773 GeV with the BESIII detector, we determine the branching fractions of the inclusive decays D ...

Published
2019
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9. Measurements of weak decay asymmetries of Λc+→pKs0 , Λπ+ , Σ+π0 , and Σ0π+

Author

Stefano Spataro, Antonio Amoroso, Meike Kuessner, Alessio Mangoni, Hongbang Liu, Hajime Muramatsu, Xin Shi, Michela Greco, Alexey Zhemchugov, Qiang Zhao, Riccardo Farinelli, Xiaonan Li, Anatoliy Guskov, Yifang Wang, Lia Lavezzi, Jens Sören Lange, Liaoyuan Dong, Francesca De Mori, Onur Bugra Kolcu, Alfons Khoukaz, Banzragch Tsednee, Patrik Adlarson, Johan Messchendorp, Ralf Kliemt, Peirong Li, Xiang Liu, Giulio Mezzadri, Fabio Cossio, and Karin Schoenning

Subjects
Nuclear physics, Physics, 010308 nuclear & particles physics, Electron–positron annihilation, Partial wave analysis, 0103 physical sciences, Pi, Sigma, High Energy Physics::Experiment, 010306 general physics, Lambda, 01 natural sciences, Bar (unit)
Abstract

Using e(+)e(-) -> Lambda(+)(c)(Lambda) over bar (-)(c). production from a 567 pb(-1) data sample collected by BESIII at 4.6 GeV, a full angular analysis is carried out simultaneously on the four ...

Published
2019
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10. Search for the decay η′→γγη

Author

Stefano Spataro, Antonio Amoroso, Ilaria BALOSSINO, Meike Kuessner, Alessio Mangoni, Hongbang Liu, Hajime Muramatsu, Xin Shi, Michela Greco, Alexey Zhemchugov, Qiang Zhao, Riccardo Farinelli, Xiaonan Li, Anatoliy Guskov, Yifang Wang, Lia Lavezzi, Jens Sören Lange, Liaoyuan Dong, Francesca De Mori, Onur Bugra Kolcu, Alfons Khoukaz, Banzragch Tsednee, Patrik Adlarson, Johan Messchendorp, Ralf Kliemt, Frank Maas, Peirong Li, Xiang Liu, Giulio Mezzadri, Fabio Cossio, and Karin Schoenning

Subjects
Physics, Nuclear physics, 010308 nuclear & particles physics, Astrophysics::High Energy Astrophysical Phenomena, Electron–positron annihilation, 0103 physical sciences, Detector, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics, 01 natural sciences, Gamma gamma
Abstract

Using a data sample of 1.31 x 10(9) J/psi events collected with the BESIII detector, a search for eta' -> gamma gamma eta via J/psi ->gamma eta' is performed for the first time. No significan ...

Published
2019
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11. Observation of ψ(3686)→Ξ(1530)−Ξ¯(1530)+ and Ξ(1530)−Ξ¯+

Author

Stefano Spataro, Antonio Amoroso, Meike Kuessner, Alessio Mangoni, Hongbang Liu, Hajime Muramatsu, Xin Shi, Dr. Xiongfei Wang, Michela Greco, Alexey Zhemchugov, Qiang Zhao, Riccardo Farinelli, Xiaonan Li, Anatoliy Guskov, Yifang Wang, Lia Lavezzi, Jens Sören Lange, Liaoyuan Dong, Francesca De Mori, Onur Bugra Kolcu, Alfons Khoukaz, Vindhyawasini Prasad, Banzragch Tsednee, Patrik Adlarson, Johan Messchendorp, Ralf Kliemt, Frank Maas, Peirong Li, Xiang Liu, Giulio Mezzadri, Fabio Cossio, and Karin Schoenning

Subjects
Physics, Nuclear physics, 010308 nuclear & particles physics, Bar (music), 0103 physical sciences, 010306 general physics, 01 natural sciences
Abstract

Using 448.1 x 10(6) psi(3686) events collected with the BESIII detector at BEPCII, we employ a single-baryon tagging technique to make the first observation of psi(3686) -> Xi(1530)(-)(Xi) over ...

Published
2019
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12. Amplitude analysis and branching fraction measurement of D0→K−π+π0π0

Author

Stefano Spataro, Ilaria BALOSSINO, Meike Kuessner, Andrzej Kupsc, Alessio Mangoni, Hongbang Liu, Hajime Muramatsu, Xin Shi, Yu Lu, Michela Greco, Alexey Zhemchugov, Sanqiang Qu, Riccardo Farinelli, Anatoliy Guskov, Yifang Wang, Lia Lavezzi, Jens Sören Lange, Onur Bugra Kolcu, Nils Huesken, Alfons Khoukaz, Banzragch Tsednee, Johan Messchendorp, Ralf Kliemt, Frank Maas, Xiang Liu, Giulio Mezzadri, Tord Johansson, Fabio Cossio, and Karin Schoenning

Subjects
Nuclear physics, Physics, Amplitude, Luminosity (scattering theory), 010308 nuclear & particles physics, Branching fraction, Astrophysics::High Energy Astrophysical Phenomena, 0103 physical sciences, Detector, High Energy Physics::Experiment, State (functional analysis), 010306 general physics, 01 natural sciences
Abstract

Utilizing the dataset corresponding to an integrated luminosity of 2.93 fb(-1) at root s = 3.773 GeV collected by the BESIII detector, we report the first amplitude analysis and branching fraction ...

Published
2019
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13. Dalitz plot analysis of the decay ω→π+π−π0

Author

Stefano Spataro, Fritz-Herbert Heinsius, Meike Kuessner, Andrzej Kupsc, Alessio Mangoni, Hongbang Liu, Hajime Muramatsu, Xin Shi, Michela Greco, Alexey Zhemchugov, Sanqiang Qu, Riccardo Farinelli, Anatoliy Guskov, Yifang Wang, Lia Lavezzi, Jens Sören Lange, Onur Bugra Kolcu, Alfons Khoukaz, Vindhyawasini Prasad, Banzragch Tsednee, Johan Messchendorp, Ralf Kliemt, Frank Maas, Xiang Liu, Giulio Mezzadri, Tord Johansson, and Fabio Cossio

Subjects
Physics, Particle physics, 010308 nuclear & particles physics, 0103 physical sciences, Pi, Dalitz plot, High Energy Physics::Experiment, 010306 general physics, 01 natural sciences, Omega, Gamma gamma
Abstract

Using a low-background sample of 2.6 x 10(5) J/psi -> omega eta(omega -> pi(+) pi(-) pi(0), eta -> gamma gamma) events, about 5 times larger statistics than previous experiments, we present a Dalitz plot analysis of the decay omega -> pi(+) pi(-) pi(0). It is found that the Dalitz plot distribution differs from the pure P-wave phase space with a statistical significance of 18.9 sigma. The parameters from the fit to data are in reasonable agreement with those without the cross-channel effect within the dispersive framework, which indicates that the cross-channel effect in omega -> pi(+) pi(-) pi(0) is not significant.

Published
2018
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