Searches for 25 rare and forbidden decays of D+ and D+s mesons; Journal of High Energy Physics; Vol. 2021, iss. 6
| Parent link: | Journal of High Energy Physics Vol. 2021, iss. 6.— 2021.— [44, 23 p.] |
|---|---|
| Körperschaften: | , |
| Weitere Verfasser: | , , , , |
| Zusammenfassung: | Title screen A search is performed for rare and forbidden charm decays of the form D+(s)→h±ℓ+ℓ(′)∓, where h± is a pion or kaon and ℓ(′)± is an electron or muon. The measurements are performed using proton-proton collision data, corresponding to an integrated luminosity of 1.6 fb−1, collected by the LHCb experiment in 2016. No evidence is observed for the 25 decay modes that are investigated and 90 % confidence level limits on the branching fractions are set between 1.4 × 10−8 and 6.4 × 10−6. In most cases, these results represent an improvement on existing limits by one to two orders of magnitude. |
| Sprache: | Englisch |
| Veröffentlicht: |
2021
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| Schlagworte: | |
| Online-Zugang: | http://earchive.tpu.ru/handle/11683/72761 https://doi.org/10.1007/JHEP06(2021)044 |
| Format: | Elektronisch Buchkapitel |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=666723 |
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| 200 | 1 | |a Searches for 25 rare and forbidden decays of D+ and D+s mesons |f R. Aaij, C. A. Beteta, S. I. Eydelman [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 39 tit.] | ||
| 330 | |a A search is performed for rare and forbidden charm decays of the form D+(s)→h±ℓ+ℓ(′)∓, where h± is a pion or kaon and ℓ(′)± is an electron or muon. The measurements are performed using proton-proton collision data, corresponding to an integrated luminosity of 1.6 fb−1, collected by the LHCb experiment in 2016. No evidence is observed for the 25 decay modes that are investigated and 90 % confidence level limits on the branching fractions are set between 1.4 × 10−8 and 6.4 × 10−6. In most cases, these results represent an improvement on existing limits by one to two orders of magnitude. | ||
| 461 | |t Journal of High Energy Physics | ||
| 463 | |t Vol. 2021, iss. 6 |v [44, 23 p.] |d 2021 | ||
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a Charm physics | |
| 610 | 1 | |a Flavour physics | |
| 610 | 1 | |a Hadron-Hadron scattering (experiments) | |
| 610 | 1 | |a Flavour Changing Neutral Currents | |
| 610 | 1 | |a Rare decay | |
| 701 | 1 | |a Aaij |b R. |g Roel | |
| 701 | 1 | |a Beteta |b C. A. |g Carlos Abellan | |
| 701 | 1 | |a Eydelman |b S. I. |g Semen Isaakovich | |
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| 701 | 1 | |a Panshin |b G. L. |c specialist in the field of informatics and computer technology |c Senior Lecturer at Tomsk Polytechnic University |f 1987- |g Gennady Leonidovich |3 (RuTPU)RU\TPU\pers\40978 |9 21367 | |
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