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Aaij, R.;
Abdelmotteleb, A. S. W.;
Abellán Beteta, C.;
Ackernley, T.;
Adeva, B.;
Adinolfi, M.;
Afsharnia, H.;
Agapopoulou, C.;
Aidala, C. A.;
Aiola, S.;
Ajaltouni, Z.;
Akar, S.;
Albrecht, J.;
Alessio, F.;
Alexander, M.;
Alfonso Albero, A.;
Aliouche, Z.;
Alkhazov, G.;
Alvarez Cartelle, P.;
Amato, S.;
Amey, J. L.;
Amhis, Y.;
An, L.;
Anderlini, L.;
[...]
Measurement of the W boson mass
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- Medientyp: E-Artikel
- Titel: Measurement of the W boson mass
- Beteiligte: Aaij, R.; Abdelmotteleb, A. S. W.; Abellán Beteta, C.; Ackernley, T.; Adeva, B.; Adinolfi, M.; Afsharnia, H.; Agapopoulou, C.; Aidala, C. A.; Aiola, S.; Ajaltouni, Z.; Akar, S.; Albrecht, J.; Alessio, F.; Alexander, M.; Alfonso Albero, A.; Aliouche, Z.; Alkhazov, G.; Alvarez Cartelle, P.; Amato, S.; Amey, J. L.; Amhis, Y.; An, L.; Anderlini, L.; [...]
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Erschienen:
Springer Science and Business Media LLC, 2022
- Erschienen in: Journal of High Energy Physics
- Sprache: Englisch
- DOI: 10.1007/jhep01(2022)036
- ISSN: 1029-8479
- Schlagwörter: Nuclear and High Energy Physics
- Entstehung:
- Anmerkungen:
- Beschreibung: <jats:title>A<jats:sc>bstract</jats:sc></jats:title><jats:p>The<jats:italic>W</jats:italic>boson mass is measured using proton-proton collision data at<jats:inline-formula><jats:alternatives><jats:tex-math>$$ \sqrt{s} $$</jats:tex-math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msqrt><mml:mi>s</mml:mi></mml:msqrt></mml:math></jats:alternatives></jats:inline-formula>= 13 TeV corresponding to an integrated luminosity of 1.7 fb<jats:sup><jats:italic>−</jats:italic>1</jats:sup>recorded during 2016 by the LHCb experiment. With a simultaneous fit of the muon<jats:italic>q/p</jats:italic><jats:sub>T</jats:sub>distribution of a sample of<jats:italic>W</jats:italic>→<jats:italic>μν</jats:italic>decays and the<jats:italic>ϕ</jats:italic><jats:sup>*</jats:sup>distribution of a sample of<jats:italic>Z</jats:italic>→<jats:italic>μμ</jats:italic>decays the<jats:italic>W</jats:italic>boson mass is determined to be<jats:disp-formula><jats:alternatives><jats:tex-math>$$ {m}_w=80354\pm {23}_{\mathrm{stat}}\pm {10}_{\mathrm{exp}}\pm {17}_{\mathrm{theory}}\pm {9}_{\mathrm{PDF}}\mathrm{MeV}, $$</jats:tex-math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>m</mml:mi><mml:mi>w</mml:mi></mml:msub><mml:mo>=</mml:mo><mml:mn>80354</mml:mn><mml:mo>±</mml:mo><mml:msub><mml:mn>23</mml:mn><mml:mtext>stat</mml:mtext></mml:msub><mml:mo>±</mml:mo><mml:msub><mml:mn>10</mml:mn><mml:mi>exp</mml:mi></mml:msub><mml:mo>±</mml:mo><mml:msub><mml:mn>17</mml:mn><mml:mtext>theory</mml:mtext></mml:msub><mml:mo>±</mml:mo><mml:msub><mml:mn>9</mml:mn><mml:mi>PDF</mml:mi></mml:msub><mml:mi>MeV</mml:mi><mml:mo>,</mml:mo></mml:math></jats:alternatives></jats:disp-formula></jats:p><jats:p>where uncertainties correspond to contributions from statistical, experimental systematic, theoretical and parton distribution function sources. This is an average of results based on three recent global parton distribution function sets. The measurement agrees well with the prediction of the global electroweak fit and with previous measurements.</jats:p>
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