Study of χb meson production in pp collisions at $\sqrt{s}=$ 7 and 8 TeV and observation of the decay χb (3P) → $\Upsilon$(3S)$\gamma$

Aaij, R.; Adeva, B.; Adinolfi, M.; Affolder, A.; Ajaltouni, Z.; Akar, S.; Albrecht, J.; Alessio, F.; Alexander, M.; Ali, S.; Alkhazov, G.; Alvarez Cartelle, P.; 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.; Aquines Gutierrez, O.; Archilli, F.; Artamonov, A.; Artuso, M.; Aslanides, E.; Auriemma, G.; Baalouch, M.; Bachmann, S.; Back, J. J.; Badalov, A.; 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.; van Beuzekom, M.; Bien, 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. V.; Bowen, E.; Bozzi, C.; Brambach, T.; van den Brand, J.; 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.; Calvo Gomez, M.; Campana, P.; Campora Perez, D.; Carbone, A.; Carboni, G.; Cardinale, R.; Cardini, A.; Carson, L.; Carvalho Akiba, K.; Casse, G.; Cassina, L.; Castillo Garcia, L.; Cattaneo, M.; Cauet, Ch; Cenci, R.; Charles, M.; Charpentier, Ph; Chefdeville, M.; Chen, S.; Cheung, S. -F.; Chiapolini, N.; Chrzaszcz, M.; Ciba, K.; Cid Vidal, X.; Ciezarek, G.; Clarke, P. L.; Clemencic, M.; Cliff, H. V.; Closier, J.; Coco, V.; Cogan, J.; Cogneras, E.; 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.; Cruz Torres, M.; Cunliffe, S.; Currie, R.; D’Ambrosio, C.; Dalseno, J.; David, P.; David, P. Y.; Davis, A.; De Bruyn, K.; De Capua, S.; De Cian, M.; De Miranda, J. M.; De Paula, L.; De Silva, W.; De Simone, P.; Decamp, D.; Deckenhoff, M.; Del Buono, L.; Déléage, N.; Derkach, D.; Deschamps, O.; Dettori, F.; Di Canto, A.; Dijkstra, H.; Donleavy, S.; Dordei, F.; Dorigo, M.; Dosil Suárez, A.; 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.; El Rifai, I.; Elsasser, Ch; Ely, S.; Esen, S.; Evans, H. -M.; Evans, T.; Falabella, A.; Färber, C.; Farinelli, C.; Farley, N.; Farry, S.; Fay, R. 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doi:10.1140/epjc/s10052-014-3092-z

Study of χ_b meson production in pp collisions at $$\sqrt{s}=$$ 7 and 8 TeV and observation of the decay χ_b (3P) → $$\Upsilon$$(3S)$$\gamma$$

Journal Article · Wed Oct 08 04:00:00 EDT 2014 · European Physical Journal. C, Particles and Fields

DOI:https://doi.org/10.1140/epjc/s10052-014-3092-z· OSTI ID:2479499

Aaij, R.; Adeva, B.; Adinolfi, M.; Affolder, A.; Ajaltouni, Z.; Akar, S.; Albrecht, J.; Alessio, F.; Alexander, M.; Ali, S.; Alkhazov, G.; Alvarez Cartelle, P.; Alves, A. A.; Amato, S.; Amerio, S.; Amhis, Y.; An, L.; Anderlini, L.; Anderson, J.; Andreassen, R. more »

A study of χ_b meson production at LHCb is performed on proton–proton collision data, corresponding to 3.0 fb^-1 of integrated luminosity collected at centre-of-mass energies $$\sqrt{s}$$ = 7 and 8 TeV. The fraction of $$\Upsilon \mathrm {(nS)}$$ mesons originating from χ_b decays is measured as a function of the $$\Upsilon$$ transverse momentum in the rapidity range 2.0 < y^$$\Upsilon$$ < 4.5. The radiative transition of the χ_b (3P) meson to $$\Upsilon$$ (3S) is observed for the first time. The χ_b1 (3P) mass is determined to be $$\begin{aligned} m_{χ_{{\mathrm {b}} 1}\mathrm {(3P)}} = 10\,511.3 \pm 1.7 \pm 2.5{\mathrm {\,MeV}/c^2}, \end{aligned}$$ where the first uncertainty is statistical and the second is systematic.

Research Organization:: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP)

Contributing Organization:: The LHCb Collaboration

Grant/Contract Number:: 89233218CNA000001

OSTI ID:: 2479499

Alternate ID(s):: OSTI ID: 22293956

Report Number(s):: LA-UR--24-32641

Journal Information:: European Physical Journal. C, Particles and Fields, Journal Name: European Physical Journal. C, Particles and Fields Journal Issue: 10 Vol. 74; ISSN 1434-6044

Publisher:: SpringerCopyright Statement

Country of Publication:: United States

Language:: English

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72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
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Study of $\chi_{b}$ meson production in pp collisions at $\sqrt{s}=7$ and 8TeV and observation of the decay $\chi_{b}\rightarrow \Upsilon(3S) \gamma$ Collaboration, LHCb https://doi.org/10.17182/hepdata.70017 The current record is supplemented by this collection	collection	January 2015
"Table 1" of "Study of $\chi_{b}$ meson production in pp collisions at $\sqrt{s}=7$ and 8TeV and observation of the decay $\chi_{b}\rightarrow \Upsilon(3S) \gamma$" Collaboration, LHCb https://doi.org/10.17182/hepdata.70017.v1/t1 The current record is supplemented by this dataset	dataset	January 2015
"Table 2" of "Study of $\chi_{b}$ meson production in pp collisions at $\sqrt{s}=7$ and 8TeV and observation of the decay $\chi_{b}\rightarrow \Upsilon(3S) \gamma$" Collaboration, LHCb https://doi.org/10.17182/hepdata.70017.v1/t2 The current record is supplemented by this dataset	dataset	January 2015
"Table 3" of "Study of $\chi_{b}$ meson production in pp collisions at $\sqrt{s}=7$ and 8TeV and observation of the decay $\chi_{b}\rightarrow \Upsilon(3S) \gamma$" Collaboration, LHCb https://doi.org/10.17182/hepdata.70017.v1/t3 The current record is supplemented by this dataset	dataset	January 2015
"Table 4" of "Study of $\chi_{b}$ meson production in pp collisions at $\sqrt{s}=7$ and 8TeV and observation of the decay $\chi_{b}\rightarrow \Upsilon(3S) \gamma$" Collaboration, LHCb https://doi.org/10.17182/hepdata.70017.v1/t4 The current record is supplemented by this dataset	dataset	January 2015
"Table 5" of "Study of $\chi_{b}$ meson production in pp collisions at $\sqrt{s}=7$ and 8TeV and observation of the decay $\chi_{b}\rightarrow \Upsilon(3S) \gamma$" Collaboration, LHCb https://doi.org/10.17182/hepdata.70017.v1/t5 The current record is supplemented by this dataset	dataset	January 2015
"Table 6" of "Study of $\chi_{b}$ meson production in pp collisions at $\sqrt{s}=7$ and 8TeV and observation of the decay $\chi_{b}\rightarrow \Upsilon(3S) \gamma$" Collaboration, LHCb https://doi.org/10.17182/hepdata.70017.v1/t6 The current record is supplemented by this dataset	dataset	January 2015

Study of χb meson production in pp collisions at $$\sqrt{s}=$$ 7 and 8 TeV and observation of the decay χb (3P) → $$\Upsilon$$(3S)$$\gamma$$

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References (10)

Linked Research (7)

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Related Subjects

Study of χ_b meson production in pp collisions at $$\sqrt{s}=$$ 7 and 8 TeV and observation of the decay χ_b (3P) → $$\Upsilon$$(3S)$$\gamma$$