Search for hadronic decays of feebly-interacting particles at NA62

NA62 Collaboration

doi:10.1140/epjc/s10052-025-14133-w

Search for hadronic decays of feebly-interacting particles at NA62

NA62 Collaboration

Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

Abstract

The NA62 experiment at CERN has the capability to collect data in a beam-dump mode, where 400 GeV protons are dumped on an absorber. In this configuration, New Physics particles, including dark photons, dark scalars, and axion-like particles, may be produced in the absorber and decay in the instrumented volume beginning approximately 80 m downstream of the dump. A search for these particles decaying in flight to hadronic final states is reported, based on an analysis of a sample of 1.4 × 10¹⁷ protons on dump collected in 2021. No evidence of a New Physics signal is observed, excluding new regions of parameter spaces of multiple models.

Original language	English
Article number	571
Number of pages	12
Journal	European Physical Journal C
Volume	85
DOIs	https://doi.org/10.1140/epjc/s10052-025-14133-w
Publication status	Published - 25 May 2025

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10.1140/epjc/s10052-025-14133-wLicence: Creative Commons: Attribution (CC BY)

NA62Collab2025SearchFinal published version, 1.73 MBLicence: Creative Commons: Attribution (CC BY)

KaonToALP - Search for axion-like particle production in kaon decays at CERN-NA62 experiment
Goudzovski, E. (Principal Investigator)
European Commission
4/05/21 → 11/07/23
Project: EU
H2020_IF_NEWLIGHTSCALAR
Goudzovski, E. (Principal Investigator)
European Commission
3/07/17 → 2/07/19
Project: EU
FP7_ERC_KaonLepton
Lazzeroni, C. (Co-Investigator) & Goudzovski, E. (Principal Investigator)
European Commission, European Commission - Management Costs
1/01/14 → 30/06/19
Project: Research
Ernest Rutherford Fellowship : Dr Antonio Sergi - Development of the NA62 Detector and Search for New Physics with Kaon Decays
Sergi, A. (Principal Investigator)
SCIENCE & TECHNOLOGY FACILITIES COUNCIL
25/03/13 → 24/03/18
Project: Research Councils
FP7 ERC - UniversaLepto : Test of Lepton Flavour Universality with Kaon Decays
Lazzeroni, C. (Principal Investigator)
European Commission - Management Costs, European Commission
1/09/11 → 31/08/16
Project: Research

Cite this

@article{1297706ba0974fa5a4c2bac94726c230,

title = "Search for hadronic decays of feebly-interacting particles at NA62",

abstract = "The NA62 experiment at CERN has the capability to collect data in a beam-dump mode, where 400 GeV protons are dumped on an absorber. In this configuration, New Physics particles, including dark photons, dark scalars, and axion-like particles, may be produced in the absorber and decay in the instrumented volume beginning approximately 80 m downstream of the dump. A search for these particles decaying in flight to hadronic final states is reported, based on an analysis of a sample of 1.4 × 1017 protons on dump collected in 2021. No evidence of a New Physics signal is observed, excluding new regions of parameter spaces of multiple models. ",

author = "\{NA62 Collaboration\} and \{Cortina Gil\}, E. and Jan Jerhot and Evgueni Goudzovski and C. Kenworthy and C. Lazzeroni and A. Romano and C. Sam and A. Sergi and A. Tomczak",

year = "2025",

month = may,

day = "25",

doi = "10.1140/epjc/s10052-025-14133-w",

language = "English",

volume = "85",

journal = "European Physical Journal C",

issn = "1434-6044",

publisher = "Springer",

}

TY - JOUR

T1 - Search for hadronic decays of feebly-interacting particles at NA62

AU - NA62 Collaboration

AU - Cortina Gil, E.

AU - Jerhot, Jan

AU - Goudzovski, Evgueni

AU - Kenworthy, C.

AU - Lazzeroni, C.

AU - Romano, A.

AU - Sam, C.

AU - Sergi, A.

AU - Tomczak, A.

PY - 2025/5/25

Y1 - 2025/5/25

N2 - The NA62 experiment at CERN has the capability to collect data in a beam-dump mode, where 400 GeV protons are dumped on an absorber. In this configuration, New Physics particles, including dark photons, dark scalars, and axion-like particles, may be produced in the absorber and decay in the instrumented volume beginning approximately 80 m downstream of the dump. A search for these particles decaying in flight to hadronic final states is reported, based on an analysis of a sample of 1.4 × 1017 protons on dump collected in 2021. No evidence of a New Physics signal is observed, excluding new regions of parameter spaces of multiple models.

AB - The NA62 experiment at CERN has the capability to collect data in a beam-dump mode, where 400 GeV protons are dumped on an absorber. In this configuration, New Physics particles, including dark photons, dark scalars, and axion-like particles, may be produced in the absorber and decay in the instrumented volume beginning approximately 80 m downstream of the dump. A search for these particles decaying in flight to hadronic final states is reported, based on an analysis of a sample of 1.4 × 1017 protons on dump collected in 2021. No evidence of a New Physics signal is observed, excluding new regions of parameter spaces of multiple models.

U2 - 10.1140/epjc/s10052-025-14133-w

DO - 10.1140/epjc/s10052-025-14133-w

M3 - Article

SN - 1434-6044

VL - 85

JO - European Physical Journal C

JF - European Physical Journal C

M1 - 571

ER -

Search for hadronic decays of feebly-interacting particles at NA62

Abstract

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Projects

KaonToALP - Search for axion-like particle production in kaon decays at CERN-NA62 experiment

H2020_IF_NEWLIGHTSCALAR

FP7_ERC_KaonLepton

Ernest Rutherford Fellowship : Dr Antonio Sergi - Development of the NA62 Detector and Search for New Physics with Kaon Decays

FP7 ERC - UniversaLepto : Test of Lepton Flavour Universality with Kaon Decays

Cite this