Search for Higgs Boson Pair Production in the Four b Quark Final State in Proton-Proton Collisions at s =13 TeV

(CMS Collaboration)

doi:10.1103/PhysRevLett.129.081802

Search for Higgs Boson Pair Production in the Four b Quark Final State in Proton-Proton Collisions at s =13 TeV

(CMS Collaboration)

Física

A. Alikhanian Yerevan Institute of Physics
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Abstract

A search for pairs of Higgs bosons produced via gluon and vector boson fusion is presented, focusing on the four b quark final state. The data sample consists of proton-proton collisions at a center-of-mass energy of 13 TeV, collected with the CMS detector at the LHC, and corresponds to an integrated luminosity of 138 fb-1. No deviation from the background-only hypothesis is observed. A 95% confidence level upper limit on the Higgs boson pair production cross section is observed at 3.9 times the standard model prediction for an expected value of 7.8. Constraints are also set on the modifiers of the Higgs field self-coupling, κλ, and of the coupling of two Higgs bosons to two vector bosons, κ2 V. The observed (expected) allowed intervals at the 95% confidence level are -2.3<κλ<9.4 (-5.0<κλ<12.0) and -0.1<κ2 V<2.2 (-0.4<κ2 V<2.5). These are the most stringent observed constraints to date on the HH production cross section and on the κ2 V coupling.

Original language	English
Article number	081802
Journal	Physical Review Letters
Volume	129
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevLett.129.081802
State	Published - 19 Aug 2022

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10.1103/PhysRevLett.129.081802

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@article{2ec45d3eb25e4ce29ae2ca58c70d10d9,

title = "Search for Higgs Boson Pair Production in the Four b Quark Final State in Proton-Proton Collisions at s =13 TeV",

abstract = "A search for pairs of Higgs bosons produced via gluon and vector boson fusion is presented, focusing on the four b quark final state. The data sample consists of proton-proton collisions at a center-of-mass energy of 13 TeV, collected with the CMS detector at the LHC, and corresponds to an integrated luminosity of 138 fb-1. No deviation from the background-only hypothesis is observed. A 95\% confidence level upper limit on the Higgs boson pair production cross section is observed at 3.9 times the standard model prediction for an expected value of 7.8. Constraints are also set on the modifiers of the Higgs field self-coupling, κλ, and of the coupling of two Higgs bosons to two vector bosons, κ2 V. The observed (expected) allowed intervals at the 95\% confidence level are -2.3<κλ<9.4 (-5.0<κλ<12.0) and -0.1<κ2 V<2.2 (-0.4<κ2 V<2.5). These are the most stringent observed constraints to date on the HH production cross section and on the κ2 V coupling.",

author = "\{(CMS Collaboration)\} and A. Tumasyan and W. Adam and Andrejkovic, \{J. W.\} and T. Bergauer and S. Chatterjee and K. Damanakis and M. Dragicevic and \{Del Valle\}, \{A. Escalante\} and R. Fr{\"u}hwirth and M. Jeitler and N. Krammer and L. Lechner and D. Liko and I. Mikulec and P. Paulitsch and Pitters, \{F. M.\} and J. Schieck and R. Sch{\"o}fbeck and D. Schwarz and S. Templ and W. Waltenberger and Wulz, \{C. E.\} and V. Chekhovsky and A. Litomin and V. Makarenko and Darwish, \{M. R.\} and \{De Wolf\}, \{E. A.\} and T. Janssen and T. Kello and A. Lelek and Sfar, \{H. Rejeb\} and \{Van Mechelen\}, P. and \{Van Putte\}, S. and \{Van Remortel\}, N. and F. Blekman and Bols, \{E. S.\} and J. D'Hondt and M. Delcourt and Faham, \{H. El\} and S. Lowette and S. Moortgat and A. Morton and D. M{\"u}ller and Sahasransu, \{A. R.\} and S. Tavernier and \{Van Doninck\}, W. and D. Beghin and B. Bilin and B. Clerbaux and Jarrin, \{E. Carrera\}",

note = "Publisher Copyright: {\textcopyright} 2022 CERN.",

year = "2022",

month = aug,

day = "19",

doi = "10.1103/PhysRevLett.129.081802",

language = "Ingl{\'e}s",

volume = "129",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "8",

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TY - JOUR

T1 - Search for Higgs Boson Pair Production in the Four b Quark Final State in Proton-Proton Collisions at s =13 TeV

AU - (CMS Collaboration)

AU - Tumasyan, A.

AU - Adam, W.

AU - Andrejkovic, J. W.

AU - Bergauer, T.

AU - Chatterjee, S.

AU - Damanakis, K.

AU - Dragicevic, M.

AU - Del Valle, A. Escalante

AU - Frühwirth, R.

AU - Jeitler, M.

AU - Krammer, N.

AU - Lechner, L.

AU - Liko, D.

AU - Mikulec, I.

AU - Paulitsch, P.

AU - Pitters, F. M.

AU - Schieck, J.

AU - Schöfbeck, R.

AU - Schwarz, D.

AU - Templ, S.

AU - Waltenberger, W.

AU - Wulz, C. E.

AU - Chekhovsky, V.

AU - Litomin, A.

AU - Makarenko, V.

AU - Darwish, M. R.

AU - De Wolf, E. A.

AU - Janssen, T.

AU - Kello, T.

AU - Lelek, A.

AU - Sfar, H. Rejeb

AU - Van Mechelen, P.

AU - Van Putte, S.

AU - Van Remortel, N.

AU - Blekman, F.

AU - Bols, E. S.

AU - D'Hondt, J.

AU - Delcourt, M.

AU - Faham, H. El

AU - Lowette, S.

AU - Moortgat, S.

AU - Morton, A.

AU - Müller, D.

AU - Sahasransu, A. R.

AU - Tavernier, S.

AU - Van Doninck, W.

AU - Beghin, D.

AU - Bilin, B.

AU - Clerbaux, B.

AU - Jarrin, E. Carrera

PY - 2022/8/19

Y1 - 2022/8/19

N2 - A search for pairs of Higgs bosons produced via gluon and vector boson fusion is presented, focusing on the four b quark final state. The data sample consists of proton-proton collisions at a center-of-mass energy of 13 TeV, collected with the CMS detector at the LHC, and corresponds to an integrated luminosity of 138 fb-1. No deviation from the background-only hypothesis is observed. A 95% confidence level upper limit on the Higgs boson pair production cross section is observed at 3.9 times the standard model prediction for an expected value of 7.8. Constraints are also set on the modifiers of the Higgs field self-coupling, κλ, and of the coupling of two Higgs bosons to two vector bosons, κ2 V. The observed (expected) allowed intervals at the 95% confidence level are -2.3<κλ<9.4 (-5.0<κλ<12.0) and -0.1<κ2 V<2.2 (-0.4<κ2 V<2.5). These are the most stringent observed constraints to date on the HH production cross section and on the κ2 V coupling.

AB - A search for pairs of Higgs bosons produced via gluon and vector boson fusion is presented, focusing on the four b quark final state. The data sample consists of proton-proton collisions at a center-of-mass energy of 13 TeV, collected with the CMS detector at the LHC, and corresponds to an integrated luminosity of 138 fb-1. No deviation from the background-only hypothesis is observed. A 95% confidence level upper limit on the Higgs boson pair production cross section is observed at 3.9 times the standard model prediction for an expected value of 7.8. Constraints are also set on the modifiers of the Higgs field self-coupling, κλ, and of the coupling of two Higgs bosons to two vector bosons, κ2 V. The observed (expected) allowed intervals at the 95% confidence level are -2.3<κλ<9.4 (-5.0<κλ<12.0) and -0.1<κ2 V<2.2 (-0.4<κ2 V<2.5). These are the most stringent observed constraints to date on the HH production cross section and on the κ2 V coupling.

UR - https://www.scopus.com/pages/publications/85137155988

U2 - 10.1103/PhysRevLett.129.081802

DO - 10.1103/PhysRevLett.129.081802

M3 - Artículo

C2 - 36053704

AN - SCOPUS:85137155988

SN - 0031-9007

VL - 129

JO - Physical Review Letters

JF - Physical Review Letters

IS - 8

M1 - 081802

ER -

Search for Higgs Boson Pair Production in the Four b Quark Final State in Proton-Proton Collisions at s =13 TeV

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