Discovering true muonium at LHCb

Xabier Cid Vidal; Philip Ilten; Jonathan Plews; Brian Shuve; Yotam Soreq

doi:10.1103/PhysRevD.100.053003

Discovering true muonium at LHCb

Xabier Cid Vidal, Philip Ilten, Jonathan Plews, Brian Shuve, Yotam Soreq

Technion - Israel Institute of Technology

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

Abstract

We study the potential of the LHCb experiment to discover, for the first time, the μ+μ- true muonium bound state. We propose a search for the vector 13S1 state, TM, which kinetically mixes with the photon and dominantly decays to e+e-. We demonstrate that a search for η→γTM, TM→e+e- in a displaced vertex can exceed a significance of 5 standard deviations assuming statistical uncertainties. We present two possible searches: an inclusive search for the e+e- vertex, and an exclusive search which requires an additional photon and a reconstruction of the η mass.

Original language	English
Article number	053003
Journal	Physical Review D
Volume	100
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevD.100.053003
State	Published - 10 Sep 2019

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1103/PhysRevD.100.053003

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title = "Discovering true muonium at LHCb",

abstract = "We study the potential of the LHCb experiment to discover, for the first time, the μ+μ- true muonium bound state. We propose a search for the vector 13S1 state, TM, which kinetically mixes with the photon and dominantly decays to e+e-. We demonstrate that a search for η→γTM, TM→e+e- in a displaced vertex can exceed a significance of 5 standard deviations assuming statistical uncertainties. We present two possible searches: an inclusive search for the e+e- vertex, and an exclusive search which requires an additional photon and a reconstruction of the η mass.",

author = "Vidal, \{Xabier Cid\} and Philip Ilten and Jonathan Plews and Brian Shuve and Yotam Soreq",

note = "Publisher Copyright: {\textcopyright} 2019 authors. Published by the American Physical Society.",

year = "2019",

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doi = "10.1103/PhysRevD.100.053003",

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AU - Vidal, Xabier Cid

AU - Ilten, Philip

AU - Plews, Jonathan

AU - Shuve, Brian

AU - Soreq, Yotam

PY - 2019/9/10

Y1 - 2019/9/10

N2 - We study the potential of the LHCb experiment to discover, for the first time, the μ+μ- true muonium bound state. We propose a search for the vector 13S1 state, TM, which kinetically mixes with the photon and dominantly decays to e+e-. We demonstrate that a search for η→γTM, TM→e+e- in a displaced vertex can exceed a significance of 5 standard deviations assuming statistical uncertainties. We present two possible searches: an inclusive search for the e+e- vertex, and an exclusive search which requires an additional photon and a reconstruction of the η mass.

AB - We study the potential of the LHCb experiment to discover, for the first time, the μ+μ- true muonium bound state. We propose a search for the vector 13S1 state, TM, which kinetically mixes with the photon and dominantly decays to e+e-. We demonstrate that a search for η→γTM, TM→e+e- in a displaced vertex can exceed a significance of 5 standard deviations assuming statistical uncertainties. We present two possible searches: an inclusive search for the e+e- vertex, and an exclusive search which requires an additional photon and a reconstruction of the η mass.

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U2 - 10.1103/PhysRevD.100.053003

DO - 10.1103/PhysRevD.100.053003

M3 - مقالة

SN - 2470-0010

VL - 100

JO - Physical Review D

JF - Physical Review D

IS - 5

M1 - 053003

ER -

Discovering true muonium at LHCb

Abstract

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