Simple representation for the average value of the W -boson one-loop polarization tensor in a magnetic field B = const, calculated in the ground state of the tree-level spectrum, is derived. It corresponds to Demeur's formula for electron in QED. The energy of this state, describing ...
Effective mass of W-boson in a magnetic fieldSkalozubV. V.PHYSICS OF ATOMIC NUCLEI C/C OF IADERNAIA FIZIKA
How to measure the W Boson Mass? 1时8分 2391播放 Light Cone Distribution Amplitudes by Large-momentum Effective Theory 49分钟 1064播放 Testing Astrophysical Models form the Shadow of The Galactic Center Black Hole 1时4分 2040播放 The Shadow of the Supermassive Black Hole in the Center of ...
Previous studies of the physics potential of LEP2 indicated that with the design luminosity of 500 inverse picobarn one may get a direct measurement of the mass of the W-boson with a precision in the range 30 - 50 MeV. This report presents an updated evaluation of the estimated error on ...
In a paper published today in the European Physical Journal C, the ATLAS Collaboration reports the first high-precision measurement at the Large Hadron Collider (LHC) of the mass of the W boson. This is one of two elementary particles that mediate the we
This letter describes the first observation of W boson pair production at a centre-of-mass energy ja:math in the OPAL detector at LEP. The analysis is sensitive to all expected W + W decay channels. A total of 28 events have been selected for an integrated luminosity of 9.89±0.06 pb 1...
A novel method of determining the mass of the W boson in the \({m W^+ W^-} o \ell u \ell^\prime u^\prime\) channel is presented and applied to 667 pb -1 of data recorded at center-of-mass energies in the range 183-207 GeV with the OPAL detector at LEP. The measured energ...
The W boson is one of the most intriguing particles described by the Standard Model. Together with the neutral Z boson, the charged W boson mediates the weak interaction, which causes beta decay and several other important processes in particle physics. The weak interaction has long intrigued sci...
摘要: Studying the properties of the W boson plays a key role in precision tests of the Standard Model. In this paper, the measurements performed at LEP are reviewed. The current world knowledge of the W boson mass and width are presented.[Copyright &y& Elsevier]...
BarberioCERN EPElisabettaCERN EPNuclear Physics B Proceedings SupplementElisabetta Barberio.Mass and width of the W boson ate+e colliders. Nuclear Physics B (Proc. Suppl.) . 2002Mass and width of the W boson ate+e colliders. Elisabetta Barberio. Nuclear Physics B (Proc. Suppl.) . 2002...