Question of Lorentz invariance in muon decay

J.P. Noordmans; C. J. G. Onderwater; H. W. Wilschut; R. G. E. Timmermans

Question of Lorentz invariance in muon decay

J.P. Noordmans, C. J. G. Onderwater, H. W. Wilschut, R. G. E. Timmermans

Research output: Working paper / Preprint › Working paper

Abstract

Possibilities to test the Lorentz invariance of the weak interaction in muon decay are considered. We derive the general Lorentz-violating muon-decay rate and discuss measurements of the directional and boost dependence of the Michel parameters and of the muon lifetime as function of absolute velocity. The current data on the muon lifetime at rest and in flight appear to be inconsistent. We make suggestions for dedicated reanalyses of the pertinent data and for future experiments. An interpretation in the Lorentz-violating Standard Model Extension is given.

Original language	English
Publication status	Published - 10 Dec 2014
Externally published	Yes

Keywords

hep-ph
nucl-th

Cite this

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title = "Question of Lorentz invariance in muon decay",

abstract = "Possibilities to test the Lorentz invariance of the weak interaction in muon decay are considered. We derive the general Lorentz-violating muon-decay rate and discuss measurements of the directional and boost dependence of the Michel parameters and of the muon lifetime as function of absolute velocity. The current data on the muon lifetime at rest and in flight appear to be inconsistent. We make suggestions for dedicated reanalyses of the pertinent data and for future experiments. An interpretation in the Lorentz-violating Standard Model Extension is given.",

keywords = "hep-ph, nucl-th",

author = "J.P. Noordmans and Onderwater, {C. J. G.} and Wilschut, {H. W.} and Timmermans, {R. G. E.}",

note = "Withdrawn by the authors due to imcomplete discussion of the experimental data",

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month = dec,

day = "10",

language = "English",

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TY - UNPB

T1 - Question of Lorentz invariance in muon decay

AU - Noordmans, J.P.

AU - Onderwater, C. J. G.

AU - Wilschut, H. W.

AU - Timmermans, R. G. E.

N1 - Withdrawn by the authors due to imcomplete discussion of the experimental data

PY - 2014/12/10

Y1 - 2014/12/10

N2 - Possibilities to test the Lorentz invariance of the weak interaction in muon decay are considered. We derive the general Lorentz-violating muon-decay rate and discuss measurements of the directional and boost dependence of the Michel parameters and of the muon lifetime as function of absolute velocity. The current data on the muon lifetime at rest and in flight appear to be inconsistent. We make suggestions for dedicated reanalyses of the pertinent data and for future experiments. An interpretation in the Lorentz-violating Standard Model Extension is given.

AB - Possibilities to test the Lorentz invariance of the weak interaction in muon decay are considered. We derive the general Lorentz-violating muon-decay rate and discuss measurements of the directional and boost dependence of the Michel parameters and of the muon lifetime as function of absolute velocity. The current data on the muon lifetime at rest and in flight appear to be inconsistent. We make suggestions for dedicated reanalyses of the pertinent data and for future experiments. An interpretation in the Lorentz-violating Standard Model Extension is given.

KW - hep-ph

KW - nucl-th

M3 - Working paper

BT - Question of Lorentz invariance in muon decay

ER -

Question of Lorentz invariance in muon decay

Abstract

Keywords

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