期刊
EUROPEAN PHYSICAL JOURNAL C
卷 75, 期 9, 页码 -出版社
SPRINGER
DOI: 10.1140/epjc/s10052-015-3628-x
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资金
- ANPCyT, Argentina
- YerPhI, Armenia
- ARC, Australia
- BMWFW, 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
- MPO CR
- VSC CR, Czech Republic
- DNRF
- DNSRC
- Lundbeck Foundation, Denmark
- EPLANET
- ERC
- NSRF
- European Union
- IN2P3-CNRS
- CEA-DSM/IRFU, France
- GNSF, Georgia
- BMBF
- DFG
- HGF
- MPG
- AvH Foundation, Germany
- GSRT
- NSRF, Greece
- RGC
- Hong Kong SAR, China
- ISF
- MINERVA
- GIF
- I-CORE
- Benoziyo Center, Israel
- INFN, Italy
- MEXT
- JSPS, Japan
- CNRST, Morocco
- FOM
- NWO, Netherlands
- BRF
- RCN, Norway
- MNiSW
- NCN, Poland
- GRICES
- FCT, Portugal
- MNE/IFA, Romania
- MES of Russia
- NRC KI
- Russian Federation
- JINR
- MSTD, Serbia
- MSSR, Slovakia
- ARRS, Slovenia
- MIZS, Slovenia
- DST/NRF, South Africa
- MINECO, Spain
- SRC
- Wallenberg Foundation, Sweden
- SER
- SNSF
- Cantons of Bern
- Geneva, Switzerland
- NSC, Taiwan
- TAEK, Turkey
- STFC
- Royal Society
- Leverhulme Trust, UK
- DOE
- NSF, USA
- Division Of Physics
- Direct For Mathematical & Physical Scien [1119200, 1506173] Funding Source: National Science Foundation
- ICREA Funding Source: Custom
- Science and Technology Facilities Council [ST/J501074/1, ST/M503575/1, ST/K50208X/1, ST/M000664/1, ST/K001388/1] Funding Source: researchfish
- STFC [ST/J00474X/1, ST/M001504/1, ST/N000420/1, ST/M003213/1, ST/K00140X/1, ST/J004944/1, ST/L003325/1, ST/K001302/1, ST/L003511/1, ST/M002306/1, ST/M503575/1, ST/L00352X/1, ST/J005576/1, ST/M000664/1, ST/L000970/1, ST/K001361/1, ST/N000277/1, ST/I005803/1, PP/E003087/1, ST/I000186/1, ST/L003112/1, ST/I000178/1, ST/K001388/1, ST/M001733/1, ST/K001329/1, ST/M001431/1, ST/H001093/2, ST/G50228X/1, ST/K001248/1, ST/K00073X/1, PP/E002846/1, ST/J004928/1, ST/I00372X/1, ST/K003658/1, ST/L001179/1, ST/L003414/1, ST/G502320/1, ST/I006080/1, ST/L001195/1, ST/H001093/1, ST/N000307/1, ST/J005487/1, ST/J005525/1, ST/K000705/1, ST/M001407/1, ST/M006980/1, ST/M000761/1, ST/H00100X/1, ST/L001144/1, ST/H00100X/2, ST/K00137X/1, ST/I006056/1, ST/L006480/1, PP/E000347/1, ST/N000463/1, ST/J501074/1, ST/L000326/1, ST/K50208X/1, ST/M004821/1, PP/D002915/1, PP/E000355/1] Funding Source: UKRI
A search for Higgs boson pair production pp -> hh is performed with 19.5 fb(-1) of proton-proton collision data at root s = 8TeV, which were recorded by the ATLAS detector at the Large Hadron Collider in 2012. The decay products of each Higgs boson are reconstructed as a high-momentum b (b) over bar system with either a pair of small-radius jets or a single large-radius jet, the latter exploiting jet substructure techniques and associated b-tagged track-jets. No evidence for resonant or non-resonant Higgs boson pair production is observed. The data are interpreted in the context of the Randall-Sundrum model with a warped extra dimension as well as the two-Higgs-doublet model. An upper limit on the cross-section for pp -> G(KK)* -> hh -> b (b) over barb (b) over bar of 3.2 (2.3) fb is set for a Kaluza-Klein graviton G(KK)* mass of 1.0 (1.5) TeV, at the 95 % confidence level. The search for non-resonant Standard Model hh production sets an observed 95 % confidence level upper limit on the production cross-section sigma(pp -> hh -> b (b) over barb (b) over bar) of 202 fb, compared to a Standard Model prediction of s(pp -> hh -> b (b) over barb (b) over bar) = 3.6 +/- 0.5fb.
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