@article{2026:1361-6471/ae8ff1,
doi = {1361-6471/ae8ff1},
journal = {Journal of Physics G: Nuclear and Particle Physics},
pages = {095001--095001},
title = {Combination of searches for nonresonant Higgs boson 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:mstyle/>                        <mml:mrow>                          <mml:mi>TeV</mml:mi>                        </mml:mrow>                      </mml:mrow>                    </mml:math>},
url = {http://dx.doi.org/10.1088/1361-6471/ae8ff1},
volume = {53},
year = {2026}
}

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TY  - JOUR
AB  - <jats:title>Abstract</jats:title>                  <jats:p>                    This paper presents a combination of searches for the nonresonant production of Higgs boson pairs (HH) in proton–proton collisions at a centre-of-mass energy of 13 TeV. The dataset was collected by the CMS experiment at the LHC from 2016 to 2018 and corresponds to a total integrated luminosity of 138 fb                    <jats:inline-formula>                      <jats:tex-math>                                              </jats:tex-math>                      <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll">                        <mml:mrow>                          <mml:msup>                            <mml:mrow/>                            <mml:mrow>                              <mml:mo>−</mml:mo>                              <mml:mn>1</mml:mn>                            </mml:mrow>                          </mml:msup>                        </mml:mrow>                      </mml:math>                    </jats:inline-formula>                    . The observed (expected) upper limit on the inclusive HH production cross-section relative to the standard model (SM) prediction is found to be 3.5 (2.5). Assuming all other Higgs boson couplings are equal to their SM values, the Higgs boson trilinear self-coupling modifier                    <jats:inline-formula>                      <jats:tex-math>                                              </jats:tex-math>                      <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll">                        <mml:mrow>                          <mml:mrow>                            <mml:msub>                              <mml:mi>κ</mml:mi>                              &
DO  - 1361-6471/ae8ff1
EP  - 095001
PY  - 2026///
SN  - 0954-3899
SP  - 095001
TI  - Combination of searches for nonresonant Higgs boson 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:mstyle/>                        <mml:mrow>                          <mml:mi>TeV</mml:mi>                        </mml:mrow>                      </mml:mrow>                    </mml:math>
T2  - Journal of Physics G: Nuclear and Particle Physics
UR  - http://dx.doi.org/10.1088/1361-6471/ae8ff1
UR  - https://doi.org/10.1088/1361-6471/ae8ff1
VL  - 53
ER  - 

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