Observation of New Ξc0 Baryons Decaying to Λc+K-

被引：54

作者：

Aaij, R. ^{[31
]}

Beteta, C. Abellan ^{[49
]}

Ackernley, T. ^{[59
]}

Adeva, B. ^{[45
]}

Adinolfi, M. ^{[53
]}

Afsharnia, H. ^{[9
]}

Aidala, C. A. ^{[67
,81
]}

Aiola, S. ^{[25
]}

Ajaltouni, Z. ^{[9
]}

Akar, S. ^{[66
]}

Albrecht, J. ^{[14
]}

Alessio, F. ^{[47
]}

Alexander, M. ^{[58
]}

Alfonso Albero, A. ^{[44
]}

Alkhazov, G. ^{[37
]}

Cartelle, P. Alvarez ^{[60
]}

Alves Jr, A. A. ^{[45
]}

Amato, S. ^{[2
]}

Amhis, Y. ^{[11
]}

An, L. ^{[21
]}

Anderlini, L. ^{[21
]}

Andreassi, G. ^{[48
]}

Andreotti, M. ^{[20
]}

Archilli, F. ^{[16
]}

Artamonov, A. ^{[43
]}

Artuso, M. ^{[67
]}

Arzymatov, K. ^{[41
]}

Aslanides, E. ^{[10
]}

Atzeni, M. ^{[49
]}

Audurier, B. ^{[11
]}

Bachmann, S. ^{[16
]}

Back, J. J. ^{[55
]}

Baker, S. ^{[60
]}

Balagura, V ^{[11
,83
]}

Baldini, W. ^{[20
]}

Baptista Leite, J. ^{[1
]}

Barlow, R. J. ^{[61
]}

Barsuk, S. ^{[11
]}

Barter, W. ^{[60
]}

Bartolini, M. ^{[23
,47
,89
]}

Baryshnikov, F. ^{[38
,78
]}

Basels, J. M. ^{[13
]}

Bassi, G. ^{[28
]}

Batozskaya, V ^{[35
]}

Batsukh, B. ^{[67
]}

Battig, A. ^{[14
]}

Bay, A. ^{[48
]}

Becker, M. ^{[14
]}

Bedeschi, F. ^{[28
]}

Bediaga, I ^{[1
]}

机构：

[1] Ctr Brasileiro Pesquisas Fis CBPF, Rio De Janeiro, Brazil

[2] Univ Fed Rio de Janeiro UFRJ, Rio De Janeiro, Brazil

[3] Tsinghua Univ, Ctr High Energy Phys, Beijing, Peoples R China

[4] Peking Univ, State Key Lab Nucl Phys & Technol, Sch Phys, Beijing, Peoples R China

[5] Univ Chinese Acad Sci, Beijing, Peoples R China

[6] Inst High Energy Phys IHEP, Beijing, Peoples R China

[7] Cent China Normal Univ, Inst Particle Phys, Wuhan, Hubei, Peoples R China

[8] Univ Grenoble Alpes, Univ Savoie Mt Blanc, LAPP, IN2P3,CNRS, Annecy, France

[9] Univ Clermont Auvergne, LPC, IN2P3, CNRS, Clermont Ferrand, France

[10] Aix Marseille Univ, CPPM, IN2P3, CNRS, Marseille, France

[11] Univ Paris Saclay, IJCLab, IN2P3, CNRS, Orsay, France

[12] Sorbonne Univ, IN2P3, CNRS, Paris Diderot Sorbonne Paris Cite,LPNHE, Paris, France

[13] Rhein Westfal TH Aachen, Phys Inst 1, Aachen, Germany

[14] Tech Univ Dortmund, Fak Phys, Dortmund, Germany

[15] Max Planck Inst Kernphys MPIK, Heidelberg, Germany

[16] Heidelberg Univ, Phys Inst, Heidelberg, Germany

[17] Univ Coll Dublin, Sch Phys, Dublin, Ireland

[18] INFN, Sez Bari, Bari, Italy

[19] INFN, Sez Bologna, Bologna, Italy

[20] INFN, Sez Ferrara, Ferrara, Italy

[21] INFN, Sez Firenze, Florence, Italy

[22] INFN, Lab Nazl Frascati, Frascati, Italy

[23] INFN, Sez Genova, Genoa, Italy

[24] INFN, Sez Milano Bicocca, Milan, Italy

[25] INFN, Sez Milano, Milan, Italy

[26] INFN, Sez Cagliari, Monserrato, Italy

[27] INFN, Sez Padova, Padua, Italy

[28] INFN, Sez Pisa, Pisa, Italy

[29] INFN, Sez Roma Tor Vergata, Rome, Italy

[30] INFN, Sez Roma La Sapienza, Rome, Italy

[31] Nikhef Natl Inst Subat Phys, Amsterdam, Netherlands

[32] Vrije Univ Amsterdam, Amsterdam, Netherlands

[33] Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, Poland

[34] AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Krakow, Poland

[35] Natl Ctr Nucl Res NCBJ, Warsaw, Poland

[36] Horia Hulubei Natl Inst Phys & Nucl Engn, Bucharest, Romania

[37] NRC Kurchatov Inst PNPI NRC KI, Petersburg Nucl Phys Inst, Gatchina, Russia

[38] NRC Kurchatov Inst ITEP NRC KI, Inst Theoret & Expt Phys, Moscow, Russia

[39] Moscow State Univ SINP MSU, Inst Nucl Phys, Moscow, Russia

[40] Russian Acad Sci INR RAS, Inst Nucl Res, Moscow, Russia

[41] Yandex Sch Data Anal, Moscow, Russia

[42] Budker Inst Nucl Phys SB RAS, Novosibirsk, Russia

[43] NRC Kurchatov Inst IHEP NRC KI, Inst High Energy Phys, Protvino, Russia

[44] Univ Barcelona, ICCUB, Barcelona, Spain

[45] Univ Santiago de Compostela, Inst Galego Fis Altas Enerxias IGFAE, Santiago De Compostela, Spain

[46] Univ Valencia, Inst Fis Corpuscular, Ctr Mixto, CSIC, Valencia, Spain

[47] CERN, European Org Nucl Res, Geneva, Switzerland

[48] Ecole Polytech Fed Lausanne EPFL, Inst Phys, Lausanne, Switzerland

[49] Univ Zurich, Phys Inst, Zurich, Switzerland

[50] NSC Kharkiv Inst Phys & Technol NSC KIPT, Kharkiv, Ukraine

来源：

PHYSICAL REVIEW LETTERS | 2020年 / 124卷 / 22期

关键词：

HEAVY BARYONS; MASSES;

D O I：

10.1103/PhysRevLett.124.222001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The Lambda K-+(c)- mass spectrum is studied with a data sample of pp collisions at a center-of-mass energy of 13 TeV corresponding to an integrated luminosity of 5.6 fb(-1) collected by the LHCb experiment. Three Xi(0)(c) states are observed with a large significance and their masses and natural widths are measured to be m[Xi(c)(2923)(0)] = 2923.04 +/- 0.25 +/- 0.20 +/- 0.14 MeV, Gamma[Xi(c)(2923)(0)] = 7.1 +/- 0.8 +/- 1.8 MeV, m[Xi(c)(2939)(0)] = 2938.55 +/- 0.21 +/- 0.17 +/- 0.14 MeV, Gamma[Xi(c)(2939)(0)] = 10.2 +/- 0.8 +/- 1.1 MeV, m[Xi(c)(2965)(0)] = 2964.88 +/- 0.26 +/- 0.14 +/- 0.14 MeV, Gamma[Xi(c)(2965)(0)] = 14.1 +/- 0.9 +/- 1.3 MeV, where the uncertainties are statistical, systematic, and due to the limited knowledge of the Lambda(+)(c) mass. The Xi(c)(2923)(0) and Xi(c)(2939)(0) baryons are new states. The Xi(c)(2965)(0) state is in the vicinity of the known Xi(c)(2970)(0) baryon; however, their masses and natural widths differ significantly.

引用

页数：11

共 48 条

[1] First Observation of Excited Ωb- States
Aaij, R.
Beteta, C. Abellan
Adeva, B.
Adinolfi, M.
Aidala, C. A.
Ajaltouni, Z.
Akar, S.
Albicocco, P.
Albrecht, J.
Alessio, F.
Alexander, M.
Albero, A. Alfonso
Alkhazov, G.
Cartelle, P. Alvarez
Alves, A. A., Jr.
Amato, S.
Amerio, S.
Amhis, Y.
An, L.
Anderlini, L.
Andreassi, G.
Andreotti, M.
Andrews, J. E.
Archilli, F.
d'Argent, P.
Romeu, J. Arnau
Artamonov, A.
Artuso, M.
Arzymatov, K.
Aslanides, E.
Atzeni, M.
Audurier, B.
Bachmann, S.
Back, J. J.
Baker, S.
Balagura, V.
Baldini, W.
Baranov, A.
Barlow, R. J.
Barrand, G. C.
Barsuk, S.
Barter, W.
Bartolini, M.
baryshnikov, F.
Batozskaya, V.
Batsukh, B.
Battig, A.
Battista, V.
Bay, A.
Beddow, J.
[J]. PHYSICAL REVIEW LETTERS, 2020, 124 (08)
[2] Observation of Five New Narrow Ωc0 States Decaying to Ξc+K-
Aaij, R.
Adeva, B.
Adinolfi, M.
Ajaltouni, Z.
Akar, S.
Albrecht, J.
Alessio, F.
Alexander, M.
Ali, S.
Alkhazov, G.
Cartelle, P. Alvarez
Alves, A. A., Jr.
Amato, S.
Amerio, S.
Amhis, Y.
An, L.
Anderlini, L.
Andreassi, G.
Andreotti, M.
Andrews, J. E.
Appleby, R. B.
Archilli, F.
d'Argent, P.
Romeu, J. Arnau
Artamonov, A.
Artuso, M.
Aslanides, E.
Auriemma, G.
Baalouch, M.
Babuschkin, I.
Bachmann, S.
Back, J. J.
Badalov, A.
Baesso, C.
Baker, S.
Balagura, V.
Baldini, W.
Baranov, A.
Barlow, R. J.
Barschel, C.
Barsuk, S.
Barter, W.
Baryshnikov, F.
Baszczyk, M.
Batozskaya, V.
Batsukh, B.
Battista, V.
Bay, A.
Beaucourt, L.
Beddow, J.
[J]. PHYSICAL REVIEW LETTERS, 2017, 118 (18)
[3] Tesla: An application for real-time data analysis in High Energy Physics
Aaij, R.
Amato, S.
Anderlini, L.
Benson, S.
Cattaneo, M.
Clemencic, M.
Couturier, B.
Frank, M.
Gligorov, V. V.
Head, T.
Jones, C.
Komarov, I.
Lupton, O.
Matev, R.
Raven, G.
Sciascia, B.
Skwarnicki, T.
Spradlin, P.
Stahl, S.
Storaci, B.
Vesterinen, M.
[J]. COMPUTER PHYSICS COMMUNICATIONS, 2016, 208 : 35 - 42
[4] LHCb detector performance
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., Jr.
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.
Artamonov, A.
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.
[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS A, 2015, 30 (07):
[5] Precision Measurement of the Mass and Lifetime of the Ξb- Baryon
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., Jr.
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.
Artamonov, A.
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.
[J]. PHYSICAL REVIEW LETTERS, 2014, 113 (24)
[6] Precision measurement of D meson mass differences
Aaij, R.
Beteta, C. Abellan
Adeva, B.
Adinolfi, M.
Adrover, C.
Affolder, A.
Ajaltouni, Z.
Albrecht, J.
Alessio, F.
Alexander, M.
Ali, S.
Alkhazov, G.
Cartelle, P. Alvarez
Alves, A. A.
Amato, S.
Amerio, S.
Amhis, Y.
Anderlini, L.
Anderson, J.
Andreassen, R.
Appleby, R. B.
Gutierrez, O. Aquines
Archilli, F.
Artamonov, A.
Artuso, M.
Aslanides, E.
Auriemmam, G.
Bachmann, S.
Back, J. J.
Baesso, C.
Balagura, V.
Baldini, W.
Barlow, R. J.
Barsche, C.
Barsuk, S.
Barter, W.
Bauer, Th.
Bay, A.
Beddow, J.
Bedeschi, F.
Bediagal, I.
Belogurov, S.
Belous, K.
Belyaev, I.
Ben-Haim, E.
Benayoun, M.
Bencivenni, G.
Benson, S.
Benton, J.
Berezhnoy, A.
[J]. JOURNAL OF HIGH ENERGY PHYSICS, 2013, (06):
[7] The LHCb trigger and its performance in 2011
Aaij, R.
Albrecht, J.
Alessio, F.
Amato, S.
Aslanides, E.
Belyaev, I.
van Beuzekom, M.
Bonaccorsi, E.
Bonnefoy, R.
Brarda, L.
Callot, O.
Cattaneo, M.
Chanal, H.
Chebbi, M.
Cid Vidal, X.
Clemencic, M.
Closier, J.
Coco, V.
Cogan, J.
Deschamps, O.
Dijkstra, H.
Drancourt, C.
Dzhelyadin, R.
Frank, M.
Gandelman, M.
Gaspar, C.
Gligorov, V. V.
Goebel, C.
Cardoso, L. A. Granado
Guz, Yu.
Haen, C.
He, J.
van Herwijnen, E.
Hulsbergen, W.
Jacobsson, R.
Jost, B.
Karbach, T. M.
Kerzel, U.
Koppenburg, P.
Krocker, G.
Langenbruch, C.
Lax, I.
Le Gac, R.
Lefevre, R.
Lefranccois, J.
Leroy, O.
Gioi, L. Li
Liu, G.
Machefert, F.
Machikhiliyan, I. V.
[J]. JOURNAL OF INSTRUMENTATION, 2013, 8
[8] Prompt KS0 production in pp collisions at √s=0.9 TeV
Aaij, R.
Abellan Beteta, C.
Adeva, B.
Adinolfi, M.
Adrover, C.
Affolder, A.
Agari, M.
Ajaltouni, Z.
Albrecht, J.
Alessio, F.
Alexander, M.
Alfonsi, M.
Alvarez Cartelle, P.
Alves, A. A., Jr.
Amato, S.
Amhis, Y.
Amoraal, J.
Anderson, J.
Nobrega, R. Antunes
Appleby, R.
Gutierrez, O. Aquines
Arefyev, A.
Arrabito, L.
Artuso, M.
Aslanides, E.
Auriemma, G.
Bachmann, S.
Bagaturia, Y.
Bailey, D. S.
Balagura, V.
Baldini, W.
Barber, G.
Barham, C.
Barlow, R. J.
Barsuk, S.
Basiladze, S.
Bates, A.
Bauer, C.
Bauer, Th.
Bay, A.
Bediaga, I.
Bellunato, T.
Belous, K.
Belyaev, I.
Benayoun, M.
Bencivenni, G.
Bernet, R.
Bernhard, R. P.
Bettler, M. -O
van Beuzekom, M.
[J]. PHYSICS LETTERS B, 2010, 693 (02) : 69 - 80
[9] Geant4 developments and applications
Allison, J
Amako, K
Apostolakis, J
Araujo, H
Dubois, PA
Asai, M
Barrand, G
Capra, R
Chauvie, S
Chytracek, R
Cirrone, GAP
Cooperman, G
Cosmo, G
Cuttone, G
Daquino, GG
Donszelmann, M
Dressel, M
Folger, G
Foppiano, F
Generowicz, J
Grichine, V
Guatelli, S
Gumplinger, P
Heikkinen, A
Hrivnacova, I
Howard, A
Incerti, S
Ivanchenko, V
Johnson, T
Jones, F
Koi, T
Kokoulin, R
Kossov, M
Kurashige, H
Lara, V
Larsson, S
Lei, F
Link, O
Longo, F
Maire, M
Mantero, A
Mascialino, B
McLaren, I
Lorenzo, PM
Minamimoto, K
Murakami, K
Nieminen, P
Pandola, L
Parlati, S
Peralta, L
[J]. IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 2006, 53 (01) : 270 - 278
[10] The LHCb Detector at the LHC
Alves, A. Augusto, Jr.
Andrade Filho, L. M.
Barbosa, A. F.
Bediaga, I.
Cernicchiaro, G.
Guerrer, G.
Lima, H. P., Jr.
Machado, A. A.
Magnin, J.
Marujo, F.
de Miranda, J. M.
Reis, A.
Santos, A.
Toledo, A.
Akiba, K.
Amato, S.
de Paula, B.
de Paula, L.
da Silva, T.
Gandelman, M.
Lopes, J. H.
Marechal, B.
Moraes, D.
Polycarpo, E.
Rodrigues, F.
Ballansat, J.
Bastian, Y.
Boget, D.
De Bonis, I.
Coco, V.
David, P. Y.
Decamp, D.
Delebecque, P.
Drancourt, C.
Dumont-Dayot, N.
Girard, C.
Lieunard, B.
Minard, M. N.
Pietrzyk, B.
Rambure, T.
Rospabe, G.
T'Jampens, S.
Ajaltouni, Z.
Bohner, G.
Bonnefoy, R.
Borras, D.
Carloganu, C.
Chanal, H.
Conte, E.
Cornat, R.
[J]. JOURNAL OF INSTRUMENTATION, 2008, 3

← 1 2 3 4 5 →