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Studies of $${\mathrm {B}} ^{*}_{{\mathrm {s}}2}(5840)^0 $$ B s 2 ∗ ( 5840 ) 0 and $${\mathrm {B}} _{{\mathrm {s}}1}(5830)^0 $$ B s 1 ( 5830 ) 0 mesons including the observation of the $${\mathrm {B}} ^{*}_{{\mathrm {s}}2}(5840)^0 \rightarrow {\mathrm {B}} ^0 \mathrm {K} ^0_{\mathrm {S}} $$ B s 2 ∗ ( 5840 ) 0 → B 0 K S 0 decay in proton-proton collisions at $$\sqrt{s}=8\,\text {TeV} $$ s = 8 TeV

Studies of $${\mathrm {B}} ^{*}_{{\mathrm {s}}2}(5840)^0 $$ B s 2 ∗ ( 5840 ) 0 and $${\mathrm {B}} _{{\mathrm {s}}1}(5830)^0 $$ B s 1 ( 5830 ) 0 mesons including the observation of the $${\mathrm {B}} ^{*}_{{\mathrm {s}}2}(5840)^0 \rightarrow {\mathrm {B}} ^0 \mathrm {K} ^0_{\mathrm {S}} $$ B s 2 ∗ ( 5840 ) 0 → B 0 K S 0 decay in proton-proton collisions at $$\sqrt{s}=8\,\text {TeV} $$ s = 8 TeV

Measurements of Bs2∗(5840)0 and Bs1(5830)0 mesons are performed using a data sample of proton-proton collisions corresponding to an integrated luminosity of , collected with the CMS detector at the LHC at a centre-of-mass energy of 8TeV . The analysis studies P-wave Bs0 meson decays into B(∗)+K- and B(∗)0KS0 , where …