Search for Structure in the Bs0π± Invariant Mass Spectrum

被引：94

作者：

Aaij, R.

Adeva, B. ^{[41
]}

Adinolfi, M. ^{[51
]}

Ajaltouni, Z. ^{[5
]}

Akar, S. ^{[6
]}

Albrecht, J. ^{[10
]}

Alessio, F. ^{[42
]}

Alexander, M. ^{[56
]}

Ali, S. ^{[45
]}

Alkhazov, G. ^{[32
]}

Cartelle, P. Alvarez ^{[58
]}

Alves, A. A. ^{[62
]}

Amato, S. ^{[2
]}

Amerio, S. ^{[23
]}

Amhis, Y. ^{[7
]}

An, L. ^{[43
]}

Anderlini, L. ^{[18
]}

Andreassi, G. ^{[43
]}

Andreotti, M. ^{[17
,81
]}

Andrews, J. E. ^{[63
]}

Appleby, R. B. ^{[59
]}

Gutierrez, O. Aquines ^{[11
]}

Archilli, F. ^{[1
]}

d'Argent, P. ^{[12
]}

Romeu, J. Arnau ^{[6
]}

Artamonov, A. ^{[39
]}

Artuso, M. ^{[63
,64
]}

Aslanides, E. ^{[6
]}

Auriemma, G. ^{[26
]}

Baalouch, M. ^{[5
]}

Babuschkin, I. ^{[59
]}

Bachmann, S. ^{[12
]}

Back, J. J. ^{[53
]}

Badalov, A. ^{[40
]}

Baesso, C. ^{[65
,66
]}

Baker, S. ^{[58
]}

Baldini, W. ^{[17
]}

Barlow, R. J. ^{[59
]}

Barschel, C. ^{[42
]}

Barsuk, S. ^{[7
]}

Barter, W.

Batozskaya, V. ^{[30
]}

Batsukh, B. ^{[63
,64
]}

Battista, V. ^{[43
]}

Bay, A. ^{[43
]}

Beaucourt, L. ^{[4
]}

Beddow, J. ^{[56
]}

Bedeschi, F. ^{[24
]}

Bediaga, I. ^{[1
]}

Bel, L. J. ^{[45
]}

机构：

[1] CBPF, Rio De Janeiro, Brazil

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

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

[4] Univ Savoie Mt Blanc, CNRS, IN2P3, LAPP, Annecy Le Vieux, France

[5] Univ Blaise Pascal, Clermont Univ, CNRS, IN2P3,LPC, Clermont Ferrand, France

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

[7] Univ Paris 11, CNRS, IN2P3, LAL, Orsay, France

[8] Univ Paris Diderot, Univ Paris 06, CNRS, IN2P3,LPNHE, Paris, France

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

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

[11] MPIK, Heidelberg, Germany

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

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

[14] Ist Nazl Fis Nucl, Sez, Bari, Italy

[15] Ist Nazl Fis Nucl, Sez, Bologna, Italy

[16] Ist Nazl Fis Nucl, Sez, Cagliari, Italy

[17] Ist Nazl Fis Nucl, Sez, Ferrara, Italy

[18] Ist Nazl Fis Nucl, Sez, Florence, Italy

[19] Dell INFN Frascati, Lab Nazl, Frascati, Italy

[20] Ist Nazl Fis Nucl, Sez, Genoa, Italy

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

[22] Ist Nazl Fis Nucl, Sez, Milan, Italy

[23] Ist Nazl Fis Nucl, Sez, Padua, Italy

[24] Ist Nazl Fis Nucl, Sez, Pisa, Italy

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

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

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

[28] AGH Univ Sci & Technol, Fac Phys, Krakow, Poland

[29] Appl Comp Sci, Krakow, Poland

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

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

[32] PNPI, Gatchina, Russia

[33] ITEP, Moscow, Russia

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

[35] Russian Acad Sci INR RAN, Inst Nucl Res, Moscow, Russia

[36] Yandex Sch Data Anal, Moscow, Russia

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

[38] Novosibirsk State Univ, Novosibirsk, Russia

[39] IHEP, Protvino, Russia

[40] Univ Barcelona, ICCUB, Barcelona, Spain

[41] Univ Santiago de Compostela, Santiago De Compostela, Spain

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

[43] Ecole Polytech Fed Lausanne, Lausanne, Switzerland

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

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

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

[47] Vrije Univ Amsterdam, Amsterdam, Netherlands

[48] NSC KIPT, Kharkov, Ukraine

[49] Natl Acad Sci KINR, Inst Nucl Res, Kiev, Ukraine

[50] Univ Birmingham, Birmingham, W Midlands, England

来源：

PHYSICAL REVIEW LETTERS | 2016年 / 117卷 / 15期

关键词：

DECAY;

D O I：

10.1103/PhysRevLett.117.152003

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The B-s(0)pi(+/-) invariant mass distribution is investigated in order to search for possible exotic meson states. The analysis is based on a data sample recorded with the LHCb detector corresponding to 3 fb(-1) of pp collision data at root s 7 and 8 TeV. No significant excess is found, and upper limits are set on the production rate of the claimed X(5568) state within the LHCb acceptance. Upper limits are also set as a function of the mass and width of a possible exotic meson decaying to the B-s(0)pi(+/-) final state. The same limits also apply to a possible exotic meson decaying through the chain B-s(*0)pi(+/-), B-s(*0) -> B-s(0) gamma where the photon is excluded from the reconstructed decays.

引用

页数：9

共 21 条

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