Inclusive production of the $X(4140)$ state in $p \overline p $ collisions at D0

We present a study of the inclusive production of the $X(4140)$ with the decay to the $J/\psi \phi$ final state in hadronic collisions. Based on $10.4~\rm{fb^{-1}}$ of $p \overline p $ collision data collected by the D0 experiment at the Fermilab Tevatron collider, we report the first evidence for t...

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Veröffentlicht in:Physical review letters 2015-12, Vol.115 (23)
Hauptverfasser: Abazov, V.M., Bassler, U., Bernardi, G., Besançon, M., Brown, D., Chapon, E., Couderc, F., Deliot, F., Enari, Y., Faure, A., Greder, S., Grenier, G., Grohsjean, A., Hubacek, Z., Kurca, T., Lebrun, P., Lellouch, J., Li, D, Miconi, F., Ripp-Baudot, I., Shary, V., Titov, M., Tuchming, B., Zivkovic, L., Cousinou, M.-C., Duperrin, A., Geng, W., Kajfasz, E., Kermiche, S., Nagy, E., Osman, N., Badaud, F., Gris, Ph, Jaffré, M., Grivaz, J.-F., Pétroff, P., Guillemin, T., Sajot, G., Stark, J.
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container_end_page
container_issue 23
container_start_page
container_title Physical review letters
container_volume 115
creator Abazov, V.M.
Bassler, U.
Bernardi, G.
Besançon, M.
Brown, D.
Chapon, E.
Couderc, F.
Deliot, F.
Enari, Y.
Faure, A.
Greder, S.
Grenier, G.
Grohsjean, A.
Hubacek, Z.
Kurca, T.
Lebrun, P.
Lellouch, J.
Li, D
Miconi, F.
Ripp-Baudot, I.
Shary, V.
Titov, M.
Tuchming, B.
Zivkovic, L.
Cousinou, M.-C.
Duperrin, A.
Geng, W.
Kajfasz, E.
Kermiche, S.
Nagy, E.
Osman, N.
Badaud, F.
Gris, Ph
Jaffré, M.
Grivaz, J.-F.
Pétroff, P.
Guillemin, T.
Sajot, G.
Stark, J.
description We present a study of the inclusive production of the $X(4140)$ with the decay to the $J/\psi \phi$ final state in hadronic collisions. Based on $10.4~\rm{fb^{-1}}$ of $p \overline p $ collision data collected by the D0 experiment at the Fermilab Tevatron collider, we report the first evidence for the prompt production of $X(4140)$ and find the fraction of $X(4140)$ events originating from $b$ hadrons to be $f_b=0.39\pm 0.07 {\rm \thinspace (stat)} \pm 0.10 {\rm \thinspace (syst)} $. The ratio of the non-prompt $X(4140)$ production rate to the $B_s^0$ yield in the same channel is $R=0.19 \pm 0.05 {\rm \thinspace (stat)} \pm 0.07 {\rm \thinspace (syst)}$. The values of the mass $M=4152.5 \pm 1.7 (\rm {stat}) ^{+6.2}_{-5.4} {\rm \thinspace (syst)}$~MeV and width $\Gamma=16.3 \pm 5.6 {\rm \thinspace (stat)} \pm 11.4 {\rm \thinspace (syst)}$~MeV are consistent with previous measurements. 8 pages, 2 figues
doi_str_mv 10.1103/PhysRevLett.115.232001
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The ratio of the non-prompt $X(4140)$ production rate to the $B_s^0$ yield in the same channel is $R=0.19 \pm 0.05 {\rm \thinspace (stat)} \pm 0.07 {\rm \thinspace (syst)}$. The values of the mass $M=4152.5 \pm 1.7 (\rm {stat}) ^{+6.2}_{-5.4} {\rm \thinspace (syst)}$~MeV and width $\Gamma=16.3 \pm 5.6 {\rm \thinspace (stat)} \pm 11.4 {\rm \thinspace (syst)}$~MeV are consistent with previous measurements. 8 pages, 2 figues</abstract><cop>United States</cop><pub>American Physical Society</pub><doi>10.1103/PhysRevLett.115.232001</doi><orcidid>https://orcid.org/0000-0002-2837-2442</orcidid><orcidid>https://orcid.org/0000-0001-6115-5856</orcidid><orcidid>https://orcid.org/0000-0002-8575-405X</orcidid><oa>free_for_read</oa></addata></record>
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PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
title Inclusive production of the $X(4140)$ state in $p \overline p $ collisions at D0
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