Measurement of the χ b (3P) mass and of the relative rate of χ b1(1P) and χ b2(1P) production

Aaij, R.; Adeva, B.; Adinolfi, M.; Affolder, A.; Ajaltouni, Z.; Akar, S.; Albrecht, J.; Alessio, F.; Alexander, M.; Ali, S.; Alkhazov, G.; Cartelle, P. Alvarez; Alves, A. A.; Amato, S.; Amerio, S.; Amhis, Y.; An, L.; Anderlini, L.; Anderson, J.; Andreassen, R.; Andreotti, M.; Andrews, J. E.; Appleby, R. B.; Gutierrez, O. Aquines; Archilli, F.; Артамонов, А.; Artuso, M.; Aslanides, E.; Auriemma, G.; Baalouch, M.; Bachmann, S.; Back, J. J.; Badalov, A.; Baesso, C.; Baldini, W.; Barlow, R. J.; Barschel, C.; Barsuk, S.; Barter, W.; Batozskaya, V.; Battista, V.; Bay, A.; Beaucourt, L.; Beddow, J.; Bedeschi, F.; Bediaga, I.; Belogurov, S.; Belous, K.; Belyaev, I.; Ben-Haim, E.; Bencivenni, G.; Benson, S.; Benton, J.; Berezhnoy, A.; Bernet, R.; Bettler, M. O.; Beuzekom, M. van; Bień, A.; Bifani, S.; Bird, T.; Bizzeti, A.; Bjørnstad, P. M.; Blake, T.; Blanc, F.; Blouw, J.; Blusk, S.; Bocci, V.; Bondar, A.; Bondar, N.; Bonivento, W.; Borghi, S.; Borgia, A.; Borsato, M.; Bowcock, T. J. V.; Bowen, E.; Bozzi, C.; Brambach, T.; Brand, J. van den; Bressieux, J.; Brett, D.; Britsch, M.; Britton, T.; Brodzicka, J.; Brook, N. H.; Brown, H.; Bursche, A.; Busetto, G.; Buytaert, J.; Cadeddu, S.; Calabrese, R.; Calvi, M.; Gomez, M. Calvo; Campana, P.; Perez, D. Campora; Carbone, A.; Carboni, G.; Cardinale, R.; Cardini, A.; Carson, L.; Akiba, K. Carvalho; Casse, G.; Cassina, L.; García, L. Castillo; Cattaneo, M.; Cauet, Ch.; Cenci, R.; Charles, M.; Charpentier, Ph.; Chefdeville, M.; Chen, S.; Cheung, S. F.; Chiapolini, N.; Chrząszcz, M.; Ciba, K.; Vidal, X. Cid; Ciezarek, G.; Clarke, P. E. L.; Clemencic, M.; Cliff, H. V.; Closier, J.; Coco, V.; Cogan, J.; Cogneras, E.; Cojocariu, L.; Collins, P.; Comerma-Montells, A.; Contu, A.; Cook, A.; Coombes, M.; Coquereau, S.; Corti, G.; Corvo, M.; Counts, I.; Couturier, B.; Cowan, G. A.; Craik, D. C.; Torres, M. Cruz; Cunliffe, S.; Currie, R.; D’Ambrosio, C.; Dalseno, J.; David, P.; Davis, A.; Bruyn, K. De; Capua, S. De; Cian, M. De; Miranda, J. M. De; Paula, L. De; Silva, W. De; Simone, P. De; Décamp, D.; Deckenhoff, M.; Buono, L. Del; Déĺeage, N.; Деркач, Д.; Deschamps, O.; Dettori, F.; Canto, A. Di; Dijkstra, H.; Donleavy, S.; Dordei, F.; Dorigo, M.; Suárez, A. Dosil; Dossett, D.; Dovbnya, A.; Dreimanis, K.; Dujany, G.; Dupertuis, F.; Durante, P.; Dzhelyadin, R.; Dziurda, A.; Dzyuba, A.; Easo, S.; Egede, U.; Egorychev, V.; Eidelman, S.; Eisenhardt, S.; Eitschberger, U.; Ekelhof, R.; Eklund, L.; Rifai, I. El; Elsässer, Ch.; Ely, S.; Esen, S.; Evans, H. M.; Evans, T.; Falabella, A.; Färber, C.; Farinelli, C.; Farley, N.; Farry, S.; Fay, R.; Ferguson, D.; Albor, V. Fernandez; Rodrigues, F. Ferreira; Ferro‐Luzzi, M.; Filippov, S.; Fiore, M.; Fiorini, M.; Firlej, M.; Fitzpatrick, C.; Fiutowski, T.; Fontana, M.; Fontanelli, F.; Forty, R.; Francisco, O.; Frank, M.; Frei, C.; Frosini, M.; Fu, J.; Furfaro, E.; Torreira, A. 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P.; Williams, Michael; Wilson, F. F.; Wimberley, J.; Wishahi, J.; Wiślicki, W.; Witek, M.; Wormser, G.; Wotton, S. A.; Wright, S.; Wu, S. L.; Wyllie, K.; Xie, Y.; Xing, Z.; Xu, Z.; Yang, Z.; Yuan, X.; Yushchenko, O.; Zangoli, M.; Zavertyaev, M.; Zhang, L.; Zhang, W. C.; Zhang, Y.; Zhelezov, A.; Zhokhov, A.; Zhong, L.; Zvyagin, A.

doi:10.1007/jhep10(2014)088

Cited by 28 publications

(13 citation statements)

References 26 publications

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“…It is also worth noting that the measured ∆M agrees with the value of 10.5 MeV that was assumed in Ref. [18].…”

supporting

confidence: 87%

“…The χ b (3P), observed at a mass of 10.5 GeV by the ATLAS, D0, and LHCb Collaborations [15][16][17][18], is especially interesting given that its properties could be affected by the proximity of the open-beauty (BB) threshold. Measurements of the masses of the χ bJ (3P) triplet states, with total angular momentum J = 0, 1, and 2, probe details of the bb interaction and test theoretical treatments of the influence of open-beauty states on the bottomonium spectrum.…”

mentioning

confidence: 99%

See 1 more Smart Citation

Observation of theχb1(3P)andχb

Sirunyan¹,

Tumasyan²,

Adam³

et al. 2018

Phys. Rev. Lett.

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The χ_{b1}(3P) and χ_{b2}(3P) states are observed through their ϒ(3S)γ decays, using an event sample of proton-proton collisions collected by the CMS experiment at the CERN LHC. The data were collected at a center-of-mass energy of 13 TeV and correspond to an integrated luminosity of 80.0 fb^{-1}. The ϒ(3S) mesons are identified through their dimuon decay channel, while the low-energy photons are detected after converting to e^{+}e^{-} pairs in the silicon tracker, leading to a χ_{b}(3P) mass resolution of 2.2 MeV. This is the first time that the J=1 and 2 states are well resolved and their masses individually measured: 10513.42±0.41(stat)±0.18(syst) MeV and 10524.02±0.57(stat)±0.18(syst) MeV; they are determined with respect to the world-average value of the ϒ(3S) mass, which has an uncertainty of 0.5 MeV. The mass splitting is measured to be 10.60±0.64(stat)±0.17(syst) MeV.

show abstract

“…It is also worth noting that the measured ∆M agrees with the value of 10.5 MeV that was assumed in Ref. [18].…”

supporting

confidence: 87%

mentioning

confidence: 99%

Observation of theχb1(3P)andχb

Sirunyan¹,

Tumasyan²,

Adam³

et al. 2018

Phys. Rev. Lett.

Self Cite

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show abstract

“…Detailed studies have been performed recently on vector states (J/ψ, ψ(2S), Υ(nS), n = 1, 2, 3) decaying to muon pairs [26,27,28,29]. [32,33] and η c (1S) → p p [34] are also available. For charmonium, the distinction between prompt and non-prompt production from b-hadron decays is obtained from a fit to the distance between the p p interaction vertex and the muon-pair secondary vertex, which reflects the relatively long b-hadron lifetime and allows for an accurate separation.…”

Section: Measurements Of Quarkonia Productionmentioning

confidence: 99%

Heavy quarks and quarkonia production in high-energy experiments

Palestini¹

2018

Proceedings of XVII International Conference on Hadron Spectroscopy and Structure — PoS(Hadron2017)

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“…Accounting for these contributions, e.g. from the radiative χ b (nP) → Υγ decays 1 [25][26][27][28][29], is important for a correct interpretation of results [30]. The measured fractions of Υ mesons originating from χ b decays are large, around 30 − 40 % [28], for Υ mesons with high transverse momenta, p Υ T 20 GeV/c.…”

Section: Jhep12(2017)110mentioning

confidence: 99%

Measurement of the Y(nS) polarizations in pp collisions at s = 7 $$ \sqrt{s}=7 $$ and 8 TeV

Aaij¹,

Adeva²,

Adinolfi³

et al. 2017

J. High Energ. Phys.

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Measurement of the Υ(nS) polarizations in pp collisions at √ s = 7 and 8 TeVThe LHCb collaborationAbstract: The polarization of the Υ(1S), Υ(2S) and Υ(3S) mesons, produced in pp collisions at centre-of-mass energies √ s = 7 and 8 TeV, is measured using data samples collected by the LHCb experiment, corresponding to integrated luminosities of 1 and 2 fb −1 , respectively. The measurements are performed in three polarization frames, using Υ → µµ decays in the kinematic region of the transverse momentum p Υ T < 30 GeV/c and rapidity 2.2 < y Υ < 4.5. No large polarization is observed.

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Measurement of the χ b (3P) mass and of the relative rate of χ b1(1P) and χ b2(1P) production

Cited by 28 publications

References 26 publications

Observation of theχb1(3P)andχb

Observation of theχb1(3P)andχb

Heavy quarks and quarkonia production in high-energy experiments

Measurement of the Y(nS) polarizations in pp collisions at s = 7 $$ \sqrt{s}=7 $$ and 8 TeV

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