SCOAP3 Repository 15 records found  1 - 10nextSearch took 0.13 seconds. 
1. First observations of hchadrons / Ablikim, M. ; Achasov, M. N. ; Adlarson, P. ; Ahmed, S. ; et al
Based on (4.48±0.03)×108 ψ(3686) events, collected with the BESIII detector at the BEPCII storage ring, five hc hadronic decays are searched for via the process ψ(3686)π0hc. [...]
Published in Physical Review D 99 (2019) 10.1103/PhysRevD.99.072008 arXiv:1810.12023
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2. Measurement of the branching fraction of J/ψωηπ+π and search for J/ψωX(1835), X(1835)ηπ+π decay / Ablikim, M. ; Achasov, M. N. ; Adlarson, P. ; Ahmed, S. ; et al
Using a sample of 1.31×109 J/ψ events collected by the BESIII detector at BEPCII during 2009 and 2012, we study the J/ψωηπ+π hadronic process. [...]
Published in Physical Review D 99 (2019) 10.1103/PhysRevD.99.071101 arXiv:1902.04862
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3. Deuteron photodisintegration by polarized photons in the region of the d ⁎ (2380) / Bashkanov, M. ; Kay, S. ; Watts, D.P. ; Mullen, C. ; et al
We report the first large-acceptance measurement of the beam–spin asymmetry for deuteron photodisintegration ( γ→d→pn ) in the photon energy range 420
Published in Physics letters B 789 (2019) 7-12 10.1016/j.physletb.2018.12.026
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4. First measurement of helicity-dependent cross sections in π 0 η photoproduction from quasi-free nucleons / Käser, A. ; Dieterle, M. ; Witthauer, L. ; Abt, S. ; et al
The helicity-dependent cross sections for the photoproduction of π0η pairs have been measured for the first time. [...]
Published in Physics letters B 786 (2018) 305-312 10.1016/j.physletb.2018.10.006
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5. Search for C violation in the decay η  →  π 0 e + e − with WASA-at-COSY / Adlarson, P. ; Augustyniak, W. ; Bardan, W. ; Bashkanov, M. ; et al
We report on the search for the rare decay η→π0e+e− which is of interest to study C violation in the electromagnetic interaction which would indicate contributions from physics beyond the Standard Model, since the allowed decay via a two-photon intermediate state is strongly suppressed. [...]
Published in Physics letters B (2018) 10.1016/j.physletb.2018.07.017
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6. Measurement of the decay ηπ0π0η at MAMI / Adlarson, P. ; Afzal, F. ; Ahmed, Z. ; Akondi, C. S. ; et al
An experimental study of the ηπ0π0η6γ decay has been conducted with the best up-to-date statistical accuracy, by measuring η mesons produced in the γpηp reaction with the A2 tagged-photon facility at the Mainz Microtron, MAMI. [...]
Published in Physical Review D 98 (2018) 10.1103/PhysRevD.98.012001 arXiv:1709.04230
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7. High-statistics measurement of the η3π0 decay at the Mainz Microtron / Prakhov, S. ; Abt, S. ; Achenbach, P. ; Adlarson, P. ; et al
The largest, at the moment, statistics of 7×106η3π0 decays, based on 6.2×107η mesons produced in the γpηp reaction, has been accumulated by the A2 Collaboration at the Mainz Microtron, MAMI. [...]
Published in Physical Review C 97 (2018) 10.1103/PhysRevC.97.065203 arXiv:1803.02502
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8. Total and differential cross sections of η -production in proton–deuteron fusion for excess energies between Q η  = 13 MeV and Q η  = 81 MeV / Adlarson, P. ; Augustyniak, W. ; Bardan, W. ; Bashkanov, M. ; et al
New data on both total and differential cross sections of the production of η mesons in proton–deuteron fusion to He3η in the excess energy region 13.6MeV≤Qη≤80.9MeV are presented. [...]
Published in Physics letters B (2018) 10.1016/j.physletb.2018.05.036
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9. Importance of d -wave contributions in the charge symmetry breaking reaction dd→4Heπ0 / Adlarson, P. ; Augustyniak, W. ; Bardan, W. ; Bashkanov, M. ; et al
This letter reports a first quantitative analysis of the contribution of higher partial waves in the charge symmetry breaking reaction dd→4Heπ0 using the WASA-at-COSY detector setup at an excess energy of Q=60MeV . [...]
Published in Physics letters B (2018) 10.1016/j.physletb.2018.04.037
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10. Isoscalar single-pion production in the region of Roper and d ⁎ (2380) resonances / Adlarson, P. ; Augustyniak, W. ; Bardan, W. ; Bashkanov, M. ; et al
Exclusive measurements of the quasi-free pn→ppπ− and pp→ppπ0 reactions have been performed by means of pd collisions at Tp=1.2 GeV using the WASA detector setup at COSY. [...]
Published in Physics letters B (2017) 10.1016/j.physletb.2017.10.015
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