BibTex format
@article{CMS:2024:1361-6633/ad7e4d,
author = {CMS, Collaboration T},
doi = {1361-6633/ad7e4d},
journal = {Reports on Progress in Physics},
pages = {117801--117801},
title = {Observation of quantum entanglement in top quark pair production in proton–proton collisions at<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msqrt><mml:mi>s</mml:mi></mml:msqrt><mml:mo>=</mml:mo><mml:mn>13</mml:mn></mml:mrow></mml:math> TeV},
url = {http://dx.doi.org/10.1088/1361-6633/ad7e4d},
volume = {87},
year = {2024}
}
RIS format (EndNote, RefMan)
TY - JOUR
AB - <jats:title>Abstract</jats:title><jats:p>Entanglement is an intrinsic property of quantum mechanics and is predicted to be exhibited in the particles produced at the Large Hadron Collider. A measurement of the extent of entanglement in top quark-antiquark (<jats:inline-formula><jats:tex-math/><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"><mml:mrow><mml:mrow><mml:mi mathvariant="normal">t</mml:mi></mml:mrow><mml:mrow><mml:mover><mml:mrow><mml:mi mathvariant="normal">t</mml:mi></mml:mrow><mml:mo stretchy="false">¯</mml:mo></mml:mover></mml:mrow></mml:mrow></mml:math></jats:inline-formula>) events produced in proton–proton collisions at a center-of-mass energy of 13 TeV is performed with the data recorded by the CMS experiment at the CERN LHC in 2016, and corresponding to an integrated luminosity of 36.3 fb<jats:sup>−1</jats:sup>. The events are selected based on the presence of two leptons with opposite charges and high transverse momentum. An entanglement-sensitive observable<jats:italic>D</jats:italic>is derived from the top quark spin-dependent parts of the<jats:inline-formula><jats:tex-math/><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"><mml:mrow><mml:mrow><mml:mi mathvariant="normal">t</mml:mi></mml:mrow><mml:mrow><mml:mover><mml:mrow><mml:mi mathvariant="normal">t</mml:mi></mml:mrow><mml:mo stretchy="false">¯</mml:mo></mml:mover></mml:mrow></mml:mrow></mml:math></jats:inline-formula>production density matrix and measured in the region of the<jats:inline-formula><jats:tex-mat
AU - CMS,Collaboration T
DO - 1361-6633/ad7e4d
EP - 117801
PY - 2024///
SN - 0034-4885
SP - 117801
TI - Observation of quantum entanglement in top quark pair production in proton–proton collisions at<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msqrt><mml:mi>s</mml:mi></mml:msqrt><mml:mo>=</mml:mo><mml:mn>13</mml:mn></mml:mrow></mml:math> TeV
T2 - Reports on Progress in Physics
UR - http://dx.doi.org/10.1088/1361-6633/ad7e4d
UR - https://doi.org/10.1088/1361-6633/ad7e4d
VL - 87
ER -