Search for resonances in the mass distribution of jet pairs with one or two jets identified as b-jets in proton-proton collisions at √s=13 TeV with the ATLAS detector /M. Aaboud, G. Aad, B. Abbott [et al.]

Электронный ресурс
Другой Автор
Aad, G.
Abbott, B.
Chelkov, G. A.
Khodinov, A.
Parida, B.
Tsybychev, D.
Vaniachine, A.
Aaboud, M.
Источник
Physical Review D 2018 Vol. 98, № 3. P. 032016-1-032016-24
Аннотация
A search for new resonances decaying into jets containing b-hadrons in pp collisions with the ATLAS detector at the LHC is presented in the dijet mass range from 0.57 to 7 TeV. The data set corresponds to an integrated luminosity of up to 36.1  fb−1 collected in 2015 and 2016 at s=13  TeV. No evidence of a significant excess of events above the smooth background shape is found. Upper cross-section limits and lower limits on the corresponding signal mass parameters for several types of signal hypotheses are provided at 95% C.L. In addition, 95% C.L. upper limits are set on the cross sections for new processes that would produce Gaussian-shaped signals in the di-b-jet mass distributions.
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статьи в журналах
Резюме
A search for new resonances decaying into jets containing b-hadrons in pp collisions with the ATLAS detector at the LHC is presented in the dijet mass range from 0.57 to 7 TeV. The data set corresponds to an integrated luminosity of up to 36.1  fb−1 collected in 2015 and 2016 at s=13  TeV. No evidence of a significant excess of events above the smooth background shape is found. Upper cross-section limits and lower limits on the corresponding signal mass parameters for several types of signal hypotheses are provided at 95% C.L. In addition, 95% C.L. upper limits are set on the cross sections for new processes that would produce Gaussian-shaped signals in the di-b-jet mass distributions.