Measurement of the Λb polarization and angular parameters in Λb→J/ψΛ decays from pp collisions at √s=7 and 8 TeV

CMS Collaboration; Sirunyan, Albert M.; Backhaus, Malte; Bäni, Lukas; Berger, Pirmin; Bianchini, Lorenzo; Casal, Bruno; Dissertori, Günther; Dittmar, Michael; Donegà, Mauro; Dorfer, Christian; Grab, Christoph; Heidegger, Constantin; Hits, Dmitry; Hoss, Jan; Kasieczka, Gregor; Klijnsma, Thomas; Lustermann, Werner; Mangano, Boris; Marionneau, Matthieu; Meinhard, Maren T.; Meister, Daniel; Micheli, Francesco; Musella, Pasquale; Nessi-Tedaldi, Francesca; Pandolfi, Francesco; Pata, Joosep; Pauss, Felicitas; Perrin, Gaël; Perrozzi, Luca; Quittnat, Milena; Reichmann, Michael; Sanz Becerra, Diego Alejandro; Schönenberger, Myriam; Shchutska, Lesya; Tavolaro, Vittorio R.; Theofilatos, Konstantinos; Vesterbacka Olsson, Minna L.; Wallny, Rainer; Zhu, De H.; et al.

doi:10.1103/PhysRevD.97.072010

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dc.contributor.author

CMS Collaboration

dc.contributor.author

Sirunyan, Albert M.

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Backhaus, Malte

dc.contributor.author

Bäni, Lukas

dc.contributor.author

Berger, Pirmin

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Bianchini, Lorenzo

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Casal, Bruno

dc.contributor.author

Dissertori, Günther

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Dittmar, Michael

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Donegà, Mauro

dc.contributor.author

Dorfer, Christian

dc.contributor.author

Grab, Christoph

dc.contributor.author

Heidegger, Constantin

dc.contributor.author

Hits, Dmitry

dc.contributor.author

Hoss, Jan

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Kasieczka, Gregor

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Klijnsma, Thomas

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Lustermann, Werner

dc.contributor.author

Mangano, Boris

dc.contributor.author

Marionneau, Matthieu

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Meinhard, Maren T.

dc.contributor.author

Meister, Daniel

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Micheli, Francesco

dc.contributor.author

Musella, Pasquale

dc.contributor.author

Nessi-Tedaldi, Francesca

dc.contributor.author

Pandolfi, Francesco

dc.contributor.author

Pata, Joosep

dc.contributor.author

Pauss, Felicitas

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Perrin, Gaël

dc.contributor.author

Perrozzi, Luca

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Quittnat, Milena

dc.contributor.author

Reichmann, Michael

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Sanz Becerra, Diego Alejandro

dc.contributor.author

Schönenberger, Myriam

dc.contributor.author

Shchutska, Lesya

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Tavolaro, Vittorio R.

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Theofilatos, Konstantinos

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Vesterbacka Olsson, Minna L.

dc.contributor.author

Wallny, Rainer

dc.contributor.author

Zhu, De H.

dc.contributor.author

et al.

dc.date.accessioned

2019-01-21T09:54:09Z

dc.date.available

2019-01-21T09:54:09Z

dc.date.issued

2018-04-01

dc.identifier.issn

1550-7998

dc.identifier.issn

0556-2821

dc.identifier.issn

1550-2368

dc.identifier.other

10.1103/PhysRevD.97.072010

en_US

dc.identifier.uri

http://hdl.handle.net/20.500.11850/317782

dc.identifier.doi

10.3929/ethz-b-000261490

dc.description.abstract

An analysis of the bottom baryon decay Λb→J/ψ(→μ+μ−)Λ(→pπ−) is performed to measure the Λb polarization and three angular parameters in data from pp collisions at √s=7 and 8 TeV, collected by the CMS experiment at the Large Hadron Collider. The Λb polarization is measured to be 0.00±0.06(stat)±0.06(syst) and the parity-violating asymmetry parameter is determined to be 0.14±0.14(stat)±0.10(syst). The measurements are compared to various theoretical predictions, including those from perturbative quantum chromodynamics.

en_US

dc.format

application/pdf

en_US

dc.language.iso

en

en_US

dc.publisher

American Physical Society

en_US

dc.rights.uri

http://creativecommons.org/licenses/by/4.0/

dc.title

Measurement of the Λb polarization and angular parameters in Λb→J/ψΛ decays from pp collisions at √s=7 and 8 TeV

en_US

dc.type

Journal Article

dc.rights.license

Creative Commons Attribution 4.0 International

dc.date.published

2018-04-17

ethz.journal.title

Physical Review D

ethz.journal.volume

97

en_US

ethz.journal.issue

7

en_US

ethz.journal.abbreviated

Phys. rev. D.

ethz.pages.start

072010

en_US

ethz.size

20 p.

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ethz.version.deposit

publishedVersion

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ethz.identifier.wos

000430163500001

ethz.identifier.scopus

85046806311

ethz.publication.place

Ridge, NY

en_US

ethz.publication.status

published

en_US

ethz.leitzahl

ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02010 - Dep. Physik / Dep. of Physics::02532 - Institut für Teilchen- und Astrophysik / Inst. Particle Physics and Astrophysics::03593 - Dissertori, Günther / Dissertori, Günther

en_US

ethz.leitzahl

ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02010 - Dep. Physik / Dep. of Physics::02532 - Institut für Teilchen- und Astrophysik / Inst. Particle Physics and Astrophysics::03904 - Wallny, Rainer / Wallny, Rainer

en_US

ethz.leitzahl

ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02010 - Dep. Physik / Dep. of Physics::02532 - Institut für Teilchen- und Astrophysik / Inst. Particle Physics and Astrophysics::08803 - Grab, Christoph (Tit.Prof.)

en_US

ethz.leitzahl

ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02010 - Dep. Physik / Dep. of Physics::02532 - Institut für Teilchen- und Astrophysik / Inst. Particle Physics and Astrophysics::09631 - Shchutska, Lesya (ehemalig) / Shchutska, Lesya (former)

en_US

ethz.leitzahl.certified

ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02010 - Dep. Physik / Dep. of Physics::02532 - Institut für Teilchen- und Astrophysik / Inst. Particle Physics and Astrophysics::03593 - Dissertori, Günther / Dissertori, Günther

en_US

ethz.leitzahl.certified

ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02010 - Dep. Physik / Dep. of Physics::02532 - Institut für Teilchen- und Astrophysik / Inst. Particle Physics and Astrophysics::03904 - Wallny, Rainer / Wallny, Rainer

en_US

ethz.leitzahl.certified

ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02010 - Dep. Physik / Dep. of Physics::02532 - Institut für Teilchen- und Astrophysik / Inst. Particle Physics and Astrophysics::08803 - Grab, Christoph (Tit.Prof.)

en_US

ethz.leitzahl.certified

ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02010 - Dep. Physik / Dep. of Physics::02532 - Institut für Teilchen- und Astrophysik / Inst. Particle Physics and Astrophysics::09631 - Shchutska, Lesya (ehemalig) / Shchutska, Lesya (former)

en_US

ethz.date.deposited

2018-04-28T03:24:05Z

ethz.source

FORM

ethz.eth

yes

en_US

ethz.availability

Open access

en_US

ethz.rosetta.installDate

2019-01-21T09:54:22Z

ethz.rosetta.lastUpdated

2023-02-06T16:45:56Z

ethz.rosetta.versionExported

true

dc.identifier.olduri

http://hdl.handle.net/20.500.11850/261490

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http://hdl.handle.net/20.500.11850/314368

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