A New Determination of the π Rest Mass

A. Brandão d'Oliveira; H. Daniel; T. von Egidy; F. J. Hartmann

doi:10.1515/zna-1976-1003

A New Determination of the π Rest Mass

A. Brandão d'Oliveira
, H. Daniel
, T. von Egidy
, F. J. Hartmann

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

Abstract

The π rest mass has been determined from measurements of X-ray transitions in pionic atoms, using muonic transitions for the calibration, to bem π⁻= 139.571± 0.010 MeV. A new upper limit for the μ-neutrino rest mass was deduced: m_v<0.78 MeV at 90 per cent confidence.

Original language	English
Pages (from-to)	1150-1154
Number of pages	5
Journal	Zeitschrift fur Naturforschung - Section A Journal of Physical Sciences
Volume	31
Issue number	10
DOIs	https://doi.org/10.1515/zna-1976-1003
State	Published - 1 Oct 1976
Externally published	Yes

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title = "A New Determination of the π Rest Mass",

abstract = "The π rest mass has been determined from measurements of X-ray transitions in pionic atoms, using muonic transitions for the calibration, to bem π−= 139.571± 0.010 MeV. A new upper limit for the μ-neutrino rest mass was deduced: mv<0.78 MeV at 90 per cent confidence.",

author = "\{Brand{\~a}o d'Oliveira\}, A. and H. Daniel and \{von Egidy\}, T. and Hartmann, \{F. J.\}",

year = "1976",

month = oct,

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doi = "10.1515/zna-1976-1003",

language = "English",

volume = "31",

pages = "1150--1154",

journal = "Zeitschrift fur Naturforschung - Section A Journal of Physical Sciences",

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T1 - A New Determination of the π Rest Mass

AU - Brandão d'Oliveira, A.

AU - Daniel, H.

AU - von Egidy, T.

AU - Hartmann, F. J.

PY - 1976/10/1

Y1 - 1976/10/1

N2 - The π rest mass has been determined from measurements of X-ray transitions in pionic atoms, using muonic transitions for the calibration, to bem π−= 139.571± 0.010 MeV. A new upper limit for the μ-neutrino rest mass was deduced: mv<0.78 MeV at 90 per cent confidence.

AB - The π rest mass has been determined from measurements of X-ray transitions in pionic atoms, using muonic transitions for the calibration, to bem π−= 139.571± 0.010 MeV. A new upper limit for the μ-neutrino rest mass was deduced: mv<0.78 MeV at 90 per cent confidence.

UR - https://www.scopus.com/pages/publications/84961488605

U2 - 10.1515/zna-1976-1003

DO - 10.1515/zna-1976-1003

M3 - Article

AN - SCOPUS:84961488605

SN - 0932-0784

VL - 31

SP - 1150

EP - 1154

JO - Zeitschrift fur Naturforschung - Section A Journal of Physical Sciences

JF - Zeitschrift fur Naturforschung - Section A Journal of Physical Sciences

IS - 10

ER -

A New Determination of the π Rest Mass

Abstract

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