SCOAP3 Repository 11 records found  1 - 10nextSearch took 0.02 seconds. 
1. Search for the Σ ⁎ state in Λc+→π+π0π−Σ+ decay by triangle singularity / Xie, Ju-Jun ; Oset, Eulogio
A Σ⁎ resonance with spin-parity JP=1/2− and mass in the vicinity of the K¯N threshold has been predicted in the unitary chiral approach and inferred from the analysis of CLAS data on the γp→K+π0Σ0 reaction. [...]
Published in Physics letters B 792 (2019) 450-453 10.1016/j.physletb.2019.04.011
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2. Semileptonic decay of Bc- into X (3930), X (3940), X (4160) / Ikeno, Natsumi ; Bayar, Melahat ; Oset, Eulogio
We study the semileptonic decay of Bc- meson into ν¯l- and the isospin zero X(3930)(2++) , X(3940)(0++) , X(4160)(2++) resonances. [...]
Published in EPJC 78 (2018) 429 10.1140/epjc/s10052-018-5898-6
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3. Analysis of the B+J/ψϕK+ data at low J/ψϕ invariant masses and the X(4140) and X(4160) resonances / Wang, En ; Xie, Ju-Jun ; Geng, Li-Sheng ; Oset, Eulogio
We have studied the J/ψϕ mass distribution of the B+J/ψϕK+ reaction from threshold to about 4250 MeV, and find that one needs the contribution of the X(4140) with a narrow width, together with the X(4160) which accounts for most of the strength of the distribution in that region. [...]
Published in Phys. Rev. D 97 (2018) 10.1103/PhysRevD.97.014017 arXiv:1710.02061
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4. Hidden charm pentaquark and Λ(1405) in the Λb0→ηcK−p(πΣ) reaction / Xie, Ju-Jun ; Liang, Wei-Hong ; Oset, Eulogio
We have performed a study of the Λb0→ηcK−p and Λb0→ηcπΣ reactions based on the dominant Cabibbo favored weak decay mechanism. [...]
Published in Physics letters B (2018) 10.1016/j.physletb.2017.12.064
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5. On the structure observed in the in-flight 3He(K,p)n reaction at J-PARC / Sekihara, Takayasu ; Oset, Eulogio ; Ramos, Angels
A theoretical investigation is done to clarify the origin of the peak structure observed near the Kpp threshold in the in-flight 3He(K,p)n reaction of the J-PARC E15 experiment, which could be a signal of the lightest kaonic nuclei, i.e., the KNN(I1/2) state. [...]
Published in PTEP 2016 (2016) 123D03 10.1093/ptep/ptw166 arXiv:1607.02058
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6. Λb→π-(Ds-)Λc(2595),π-(Ds-)Λc(2625) decays and DN,D∗N molecular components / Liang, Wei-Hong ; Bayar, Melahat ; Oset, Eulogio
From the perspective that Λc(2595) and Λc(2625) are dynamically generated resonances from the DN,D∗N interaction and coupled channels, we have evaluated the rates for Λb→π-Λc(2595) and Λb→π-Λc(2625) up to a global unknown factor that allows us to calculate the ratio of rates and compare with experiment, where good agreement is found. [...]
Published in EPJC 77 (2017) 39 10.1140/epjc/s10052-017-4602-6
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7. f0(500) , f0(980) , and a0(980) production in the χc1→ηπ+π- reaction / Liang, Wei-Hong ; Xie, Ju-Jun ; Oset, Eulogio
We study the χc1→ηπ+π- decay, paying attention to the production of f0(500) , f0(980) , and a0(980) from the final state interaction of pairs of mesons that can lead to these three mesons in the final state, which is implemented using the chiral unitary approach. [...]
Published in EPJC 76 (2016) 700 10.1140/epjc/s10052-016-4563-1
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8. Can X (5568) be described as a B s π , BK¯ resonant state? / Albaladejo, Miguel ; Nieves, Juan ; Oset, Eulogio ; Sun, Zhi-Feng ; et al
The D0 Collaboration has recently seen a resonant-like peak in the Bsπ invariant mass spectrum, claimed to be a new state called X(5568) . [...]
Published in Physics letters B (2016) 10.1016/j.physletb.2016.04.033
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9. χ c 0 (1 P ) decay into Σ¯ Σπ in search of an I = 1, 1/2 − baryon state around K¯N threshold / Wang, En ; Xie, Ju-Jun ; Oset, Eulogio
We present the theoretical study of the process χc0(1P)→Σ¯Σπ decay, by taking into account the π Σ and πΣ¯ final state interactions of the final meson-baryon pair based on the chiral unitary approach. [...]
Published in Physics letters B (2015) 10.1016/j.physletb.2015.12.060
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10. Ds0⁎±(2317) and KD scattering from Bs0 decay / Albaladejo, Miguel ; Nielsen, Marina ; Oset, Eulogio
We study the B¯s0→Ds−(KD)+ weak decay, and look at the KD invariant mass distribution, for which we use recent lattice QCD results for the KD interaction from where the Ds0⁎(2317) resonance appears as a KD bound state. [...]
Published in Physics letters B 746 (2015) 305-310 10.1016/j.physletb.2015.05.019
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40 Oset, E.
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