Study of $\chi _{{\mathrm {b}}}$ meson production in $\mathrm {p} $ $\mathrm {p} $ collisions at $\sqrt{s}=7$ and $8{\mathrm {\,TeV}} $ and observation of the decay $\chi _{{\mathrm {b}}}\mathrm {(3P)} \rightarrow \Upsilon \mathrm {(3S)} {\gamma } $ - INSPIRE

DataBETA

Study of $\chi _{{\mathrm {b}}}$ meson production in $\mathrm {p}$ $\mathrm {p}$ collisions at $\sqrt{s}=7$ and $8{\mathrm {\,TeV}}$ and observation of the decay $\chi _{{\mathrm {b}}}\mathrm {(3P)} \rightarrow \Upsilon \mathrm {(3S)} {\gamma }$

LHCb

Collaboration

Jul 29, 2014

13 pages

Published in:

Eur.Phys.J.C 74 (2014) 10, 3092

Published: Oct 8, 2014

e-Print:

1407.7734 [hep-ex]

DOI:

10.1140/epjc/s10052-014-3092-z

PDG:

{{\mathit \chi}_{{{b1}}}{(3P)}}

\rightarrow

{{\mathit \Upsilon}{(3S)}}{{\mathit \gamma}}

Report number:

CERN-PH-EP-2014-178,
LHCB-PAPER-2014-031

Experiments:

CERN-LHC-LHCb

View in:

reference search105 citations

Citations per year

Abstract: (Springer)

A study of \upchi _{{\mathrm {b}}} meson production at LHCb is performed on proton–proton collision data, corresponding to 3.0

\text { fb}^{-1}

of integrated luminosity collected at centre-of-mass energies

\sqrt{s}

= 7 and 8

\mathrm {\,TeV}

. The fraction of

\Upsilon \mathrm {(nS)}

mesons originating from \upchi _{{\mathrm {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 \upchi _{{\mathrm {b}}}\mathrm {(3P)} meson to

\Upsilon \mathrm {(3S)}

is observed for the first time. The \upchi _{{\mathrm {b}} 1}\mathrm {(3P)} mass is determined to be \begin{aligned} m_{\upchi _{{\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.

Note:

22 pages, 3 fugurs

p p: scattering
Upsilon(10355)
statistical
rapidity
LHC-B
chi mesons: bottom
chi mesons: radiative decay
upsilon mesons: transverse momentum
rapidity dependence
chi/b(10539)

References(57)

Figures(2)

[1]

$D$ Meson and $\psi$ Meson Production in Hadronic Interactions

V.G. Kartvelishvili
(
- Tbilisi State U.
)
,
A.K. Likhoded
(
- Serpukhov, IHEP
)
,
S.R. Slabospitsky
(
- Serpukhov, IHEP
)

- Sov.J.Nucl.Phys. 28 (1978) 678,
- Yad.Fiz. 28 (1978) 1315-1322

[2]

Inelastic Photoproduction of J/psi and Upsilon by Gluons

Edmond L. Berger
(
- Argonne
)
,
Daniel L. Jones
(
- Argonne
)

- Phys.Rev.D 23 (1981) 1521-1530
•
DOI:
- 10.1103/PhysRevD.23.1521

[3]

Hadronic Production of J/psi and Upsilon: Transverse Momentum Distributions

R. Baier
(
- Bielefeld U.
)
,
R. Ruckl
(
- Bielefeld U.
)

- Phys.Lett.B 102 (1981) 364-370
•
DOI:
- 10.1016/0370-2693(81)90636-5

[4]

Color octet fragmentation and the psi-prime surplus at the Tevatron

Eric Braaten
(
- Northwestern U.
)
,
Sean Fleming
(
- Northwestern U.
)

- Phys.Rev.Lett. 74 (1995) 3327-3330
•
e-Print:
- hep-ph/9411365
•
DOI:
- 10.1103/PhysRevLett.74.3327

[5]

Rigorous QCD analysis of inclusive annihilation and production of heavy quarkonium

- Phys.Rev.D 51 (1995) 1125-1171,
- Phys.Rev.D 55 (1997) 5853 (erratum)
•
e-Print:
- hep-ph/9407339
•
DOI:
- 10.1103/PhysRevD.55.5853

[6]

Next-to-leading-order QCD corrections to $J/\psi$ polarization at Tevatron and Large-Hadron-Collider energies

Bin Gong
(
- Beijing, Inst. High Energy Phys. and
- Unlisted, CN
)
,
Jian-Xiong Wang
(
- Beijing, Inst. High Energy Phys. and
- Unlisted, CN
)

- Phys.Rev.Lett. 100 (2008) 232001
•
e-Print:
- 0802.3727
•
DOI:
- 10.1103/PhysRevLett.100.232001

[7]

QCD corrections to J/psi and Upsilon production at hadron colliders

John M. Campbell
(
- Glasgow U.
)
,
F. Maltoni
(
- Louvain U., CP3
)
,
F. Tramontano
(
- INFN, Naples and
- Naples U.
)

- Phys.Rev.Lett. 98 (2007) 252002
•
e-Print:
- hep-ph/0703113
•
DOI:
- 10.1103/PhysRevLett.98.252002

[8]

$\Upsilon$ Production at Fermilab Tevatron and LHC Energies

P. Artoisenet
(
- Louvain U., CP3
)
,
John M. Campbell
(
- Glasgow U.
)
,
J.P. Lansberg
(
- Heidelberg U.
)
,
F. Maltoni
(
- Louvain U., CP3
)
,
F. Tramontano
(
- Napoli Seconda U. and
- INFN, Naples
)

- Phys.Rev.Lett. 101 (2008) 152001
•
e-Print:
- 0806.3282
•
DOI:
- 10.1103/PhysRevLett.101.152001

[9]

On the mechanisms of heavy-quarkonium hadroproduction

J.P. Lansberg
(
- SLAC and
- Heidelberg U.
)

- Eur.Phys.J.C 61 (2009) 693-703
•
e-Print:
- 0811.4005
•
DOI:
- 10.1140/epjc/s10052-008-0826-9

[10]

QCD radiative corrections to $\chi_{cJ}$ production at hadron colliders

Yan-Qing Ma
(
- Peking U. and
- Peking U., CAPT
)
,
Kai Wang
(
- Peking U. and
- Peking U., CAPT
)
,
Kuang-Ta Chao
(
- Peking U. and
- Peking U., CAPT
)

- Phys.Rev.D 83 (2011) 111503
•
e-Print:
- 1002.3987
•
DOI:
- 10.1103/PhysRevD.83.111503

[11]

Production of $\chi_{b}$ -mesons at LHC

- Phys.Rev.D 86 (2012) 074027
•
e-Print:
- 1203.4893
•
DOI:
- 10.1103/PhysRevD.86.074027

[12]

Hadronic Production of $\chi_c$ -mesons at LHC

e-Print:
- 1305.2389

[13]

Measurement of $\sigma_{\chi_{c2}}{\cal B}(\chi_{c2} \to J/\psi \gamma)/\sigma_{\chi_{c1}} {\cal B}(\chi_{c1} \to J/\psi \gamma)$ in $p \bar{p}$ Collisions at $\sqrt{s}$ = 1.96-TeV

CDF

Collaboration

•

A. Abulencia
(
- Illinois U., Urbana
)

et al.

- Phys.Rev.Lett. 98 (2007) 232001
•
e-Print:
- hep-ex/0703028
•
DOI:
- 10.1103/PhysRevLett.98.232001

[14]

Production of the Charmonium States $\chi_{c1}$ and $\chi_{c2}$ in Proton Nucleus Interactions at $\sqrt{s}$ = 41.6-GeV

HERA-B

Collaboration

•

I. Abt
(
- Munich, Max Planck Inst.
)

et al.

- Phys.Rev.D 79 (2009) 012001
•
e-Print:
- 0807.2167
•
DOI:
- 10.1103/PhysRevD.79.012001

[15]

Measurement of the cross-section ratio $\sigma(\chi_{c2})/\sigma(\chi_{c1})$ for prompt $\chi_c$ production at $\sqrt{s}=7$ TeV

LHCb

Collaboration

•

R. Aaij
(
- NIKHEF, Amsterdam
)

et al.

- Phys.Lett.B 714 (2012) 215-223
•
e-Print:
- 1202.1080
•
DOI:
- 10.1016/j.physletb.2012.06.077

[16]

Measurement of the ratio of prompt $\chi_{c}$ to $J/\psi$ production in $pp$ collisions at $\sqrt{s}=7$ TeV

LHCb

Collaboration

•

R Aaij
(
- NIKHEF, Amsterdam
)

et al.

- Phys.Lett.B 718 (2012) 431-440
•
e-Print:
- 1204.1462
•
DOI:
- 10.1016/j.physletb.2012.10.068

[17]

Measurement of the relative rate of prompt $\chi_{c0}$ , $\chi_{c1}$ and $\chi_{c2}$ production at $\sqrt{s}=7$ TeV

LHCb

Collaboration

•

R. Aaij
(
- NIKHEF, Amsterdam
)

et al.

- JHEP 10 (2013) 115,
- JHEP10(2013)115
•
e-Print:
- 1307.4285
•
DOI:
- 10.1007/JHEP10(2013)115

[18]

Production of $\Upsilon(1S)$ mesons from $\chi_b$ decays in $p\bar{p}$ collisions at $\sqrt{s} = 1.8$ TeV

CDF

Collaboration

•

T. Affolder
(
- LBL, Berkeley
)

et al.

- Phys.Rev.Lett. 84 (2000) 2094-2099
•
e-Print:
- hep-ex/9910025
•
DOI:
- 10.1103/PhysRevLett.84.2094

[19]

Observation of a new $\chi_b$ state in radiative transitions to $\Upsilon(1S)$ and $\Upsilon(2S)$ at ATLAS

ATLAS

Collaboration

•

Georges Aad
(
- Freiburg U.
)

et al.

- Phys.Rev.Lett. 108 (2012) 152001
•
e-Print:
- 1112.5154
•
DOI:
- 10.1103/PhysRevLett.108.152001

[20]

Measurement of the chib2/chib1 production cross section ratio in pp collisions at sqrt(s)= 8 TeV

CMS

Collaboration

[21]

Measurement of the fraction of $\Upsilon(1S)$ originating from $\chi_b(1P)$ decays in $pp$ collisions at $\sqrt{s} = 7$ TeV

LHCb

Collaboration

•

R. Aaij
(
- NIKHEF, Amsterdam
)

et al.

- JHEP 11 (2012) 031
•
e-Print:
- 1209.0282
•
DOI:
- 10.1007/JHEP11(2012)031

[22]

Observation of the $\chi_b(3P)$ state at LHCb in $pp$ collisions at $\sqrt{s}=7$ ~TeV

LHCb

Collaboration

[23]

Review of Particle Physics (RPP)

J. Beringer
(
- LBL, Berkeley
)
,
J.F. Arguin
(
- LBL, Berkeley and
- Montreal U.
)
,
R.M. Barnett
(
- LBL, Berkeley
)
,
K. Copic
(
- LBL, Berkeley
)
,
O. Dahl
(
- LBL, Berkeley
)

et al.

- Phys.Rev.D 86 (2012) 010001
•
DOI:
- 10.1103/PhysRevD.86.010001

[24]

Observation of a narrow mass state decaying into $\Upsilon(1S) + \gamma$ in $p\bar{p}$ collisions at $\sqrt{s} = 1.96$ TeV

D0

Collaboration

•

Victor Mukhamedovich Abazov
(
- Dubna, JINR
)

et al.

- Phys.Rev.D 86 (2012) 031103
•
e-Print:
- 1203.6034
•
DOI:
- 10.1103/PhysRevD.86.031103

[25]

The LHCb Detector at the LHC

LHCb

Collaboration

•

A.Augusto Alves, Jr.
(
- Rio de Janeiro, CBPF
)

et al.

- JINST 3 (2008) S08005
•
DOI:
- 10.1088/1748-0221/3/08/S08005

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