Search for a dark baryon in the Ξ− → 𝜋− + invisible decay

BESIII Collaboration; M. Ablikim; Alex M Marshall; Camille A Normand; Konstantinos A.  Petridis; Jonas H Rademacker; Shenghui Zeng; et al

doi:10.1016/j.physletb.2025.140099

Search for a dark baryon in the Ξ⁻→ 𝜋⁻ + invisible decay

BESIII Collaboration, M. Ablikim, Alex M Marshall, Camille A Normand, Konstantinos A. Petridis, Jonas H Rademacker, Shenghui Zeng, et al

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Abstract

[See paper for abstract]

Original language	English
Article number	140099
Number of pages	8
Journal	Physics Letters B
Volume	872
Early online date	19 Dec 2025
DOIs	https://doi.org/10.1016/j.physletb.2025.140099
Publication status	Published - 1 Jan 2026

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Publisher Copyright:
© 2025 The Author(s). Published by Elsevier B.V.

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Cite this

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title = "Search for a dark baryon in the Ξ− → 𝜋− + invisible decay",

abstract = "[See paper for abstract]",

author = "\{BESIII Collaboration\} and M. Ablikim and Marshall, \{Alex M\} and Normand, \{Camille A\} and Petridis, \{Konstantinos A.\} and Rademacker, \{Jonas H\} and Shenghui Zeng and et al",

note = "Publisher Copyright: {\textcopyright} 2025 The Author(s). Published by Elsevier B.V. ",

year = "2026",

month = jan,

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doi = "10.1016/j.physletb.2025.140099",

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TY - JOUR

T1 - Search for a dark baryon in the Ξ− → 𝜋− + invisible decay

AU - BESIII Collaboration

AU - Ablikim, M.

AU - Marshall, Alex M

AU - Normand, Camille A

AU - Petridis, Konstantinos A.

AU - Rademacker, Jonas H

AU - Zeng, Shenghui

AU - al , et

PY - 2026/1/1

Y1 - 2026/1/1

N2 - [See paper for abstract]

AB - [See paper for abstract]

U2 - 10.1016/j.physletb.2025.140099

DO - 10.1016/j.physletb.2025.140099

M3 - Article (Academic Journal)

SN - 0370-2693

VL - 872

JO - Physics Letters B

JF - Physics Letters B

M1 - 140099

ER -