Journal
PHYSICAL REVIEW LETTERS
Volume 113, Issue 21, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.113.212004
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Funding
- ANPCyT, Argentina
- YerPhI, Armenia
- ARC, Australia
- BMWF, Austria
- FWF, Austria
- ANAS, Azerbaijan
- SSTC, Belarus
- CNPq, Brazil
- FAPESP, Brazil
- NSERC, Canada
- NRC, Canada
- CFI, Canada
- CERN
- CONICYT, Chile
- CAS, China
- MOST, China
- NSFC, China
- COLCIENCIAS, Colombia
- MSMT CR, Czech Republic
- MPO CR, Czech Republic
- VSC CR, Czech Republic
- DNRF, Denmark
- DNSRC, Denmark
- Lundbeck Foundation, Denmark
- EPLANET, European Union
- ERC, European Union
- NSRF, European Union
- IN2P3-CNRS, France
- CEA-DSM/IRFU, France
- GNSF, Georgia
- BMBF, Germany
- DFG, Germany
- HGF, Germany
- MPG, Germany
- AvH Foundation, Germany
- GSRT, Greece
- NSRF, Greece
- ISF, Israel
- MINERVA, Israel
- GIF, Israel
- I-CORE, Israel
- Benoziyo Center, Israel
- INFN, Italy
- MEXT, Japan
- JSPS, Japan
- CNRST, Morocco
- FOM, Netherlands
- NWO, Netherlands
- BRF, Norway
- RCN, Norway
- MNiSW, Poland
- NCN, Poland
- GRICES, Portugal
- FCT, Portugal
- MNE/IFA, Romania
- MES of Russia, Russian Federation
- ROSATOM, Russian Federation
- JINR
- MSTD, Serbia
- MSSR, Slovakia
- ARRS, Slovenia
- MIZS, Slovenia
- DST/NRF, South Africa
- MINECO, Spain
- SRC, Sweden
- Wallenberg Foundation, Sweden
- SER, Switzerland
- SNSF, Switzerland
- Cantons of Bern and Geneva, Switzerland
- NSC, Taiwan
- TAEK, Turkey
- STFC, United Kingdom
- Royal Society, United Kingdom
- Leverhulme Trust, United Kingdom
- DOE, USA
- NSF, USA
- Direct For Mathematical & Physical Scien
- Division Of Physics [1119200] Funding Source: National Science Foundation
- Science and Technology Facilities Council [PP/E000444/1, ST/K00137X/1, ST/L001209/1 ATLAS Upgrades, ST/G502320/1, ST/K001248/1, ST/M000761/1, ST/I005803/1 GRIDPP, ST/K001264/1 ATLAS, ST/K001302/1, ST/L00352X/1, ST/J00474X/1, ST/I00372X/1, ST/L003325/1, ST/L000970/1 ATLAS Upgrades, ST/M003213/1, ST/G50228X/1, ST/M002306/1 ATLAS Upgrades, PP/E002846/1, ST/M001733/1, ST/J00474X/1 ATLAS Upgrades, ST/I00372X/1 GRIDPP, ST/H001069/2, ST/M007103/1 ATLAS Upgrades, ST/L006480/1, ST/I005803/1, ST/K001329/1, ST/H001085/2, ST/K00140X/1, ST/K001426/1 ATLAS, ST/L003511/1, ST/J004928/1 ATLAS Upgrade, ST/L000970/1, ST/J004928/1 ATLAS Upgrades, ST/J005487/1, ST/I006056/1 ATLAS Upgrades, ST/M002306/1, ST/L000970/1 ATLAS Upgrade, ST/K001396/1 ATLAS, ST/J005576/1, ST/I000186/1, ST/I006080/1, ST/J004928/1, PP/E003087/1, ST/I000178/1, ST/K003658/1 GRIDPP, ST/M002071/1 ATLAS Upgrades, ATLAS, ST/K001418/1, ST/I006056/1, ST/M001504/1, ST/J004944/1, ST/L003414/1, ST/L001179/1, PP/D002915/1, ST/J005525/1, ST/M001474/1, ST/K003658/1, ST/L001179/1 ATLAS Upgrades, ST/L001179/1 ATLAS Upgrade, ST/I006056/1 ATLAS Upgrade, GRIDPP] Funding Source: researchfish
- STFC [PP/D002915/1, ST/M002306/1, ST/L006480/1, ST/I006056/1, ST/K00137X/1, ST/K001248/1, ST/G50228X/1, ST/K001329/1, ST/M001733/1, ST/I000178/1, ST/I000186/1, PP/E003087/1, ST/I005803/1, ST/L000970/1, ST/H001069/2, ST/J005576/1, ST/M000761/1, ST/L00352X/1, ST/L003511/1, ST/K001302/1, ST/L003325/1, ST/J004944/1, ST/K00140X/1, ST/M003213/1, ST/M001504/1, ST/J00474X/1, ST/H001085/2, ST/J005525/1, ST/J005487/1, ST/I006080/1, ST/G502320/1, ST/L003414/1, ST/L001179/1, ST/K003658/1, ST/I00372X/1, ST/J004928/1, PP/E002846/1] Funding Source: UKRI
- ICREA Funding Source: Custom
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A search for excited states of the B-c(+/-) meson is performed using 4.9 fb(-1) of 7 TeV and 19.2 fb(-1) of 8 TeV pp collision data collected by the ATLAS experiment at the LHC. A new state is observed through its hadronic transition to the ground state, with the latter detected in the decayB(c)(+/-) -> J/psi pi(+/-). The state appears in the m(B-c(+/-)pi(+)pi(-)) - m(B-c(+/-)) - 2m(pi(+/-)) mass difference distribution with a significance of 5.2 standard deviations. The mass of the observed state is 6842 +/- 4 +/- 5 MeV, where the first error is statistical and the second is systematic. The mass and decay of this state are consistent with expectations for the second S-wave state of the B-c(+/-) meson, B-c(+/-)(2S).
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