wovepaper — the arXiv observatory

papers

Publications (45)

hep-ex2012

Observation of $I^\cdot_{c}$ decay into $I^£^{+} I^ˉ £^{-}$ and $I^^{-} I^ˉ ^{+}$ final states

The BESIII Collaboration, M. Ablikim, M. N. Achasov +349

Using a data sample of $2.25 \times 1 0^{8}$ $J / I ¨ $ events collected with the BESIII detector, we present the first observation of the decays of $I^\cdot_{c}$ mesons to $I^£^{+} I^ˉ £^{-}$ …

hep-ex2013

Observation of a charged charmoniumlike structure Z_c(4020) and search for the Z_c(3900) in e+e- to pi+pi-h_c

BESIII Collaboration, M. Ablikim, M. N. Achasov +361

We study e+e- --> pi+pi-h_c at center-of-mass energies from 3.90 GeV to 4.42 GeV using data samples collected with the BESIII detector operating at the Beijing Electron Positron Co…

hep-ex2012

Measurement of $I ¨ _{c J}$ decaying into $p n ˉ I ¨ ^{-}$ and $p n ˉ I ¨ ^{-} I ¨ ^{0}$

M. Ablikim, M. N. Achasov, O. Albayrak +345

Using a data sample of $1.06 \times 1 0^{8}$ $\psip$ events collected with the BESIII detector in 2009, the branching fractions of $I ¨ _{c J} \to p n ˉ I ¨ ^{-}$ and $Ï_{cJ}\to p\bar{…

hep-ex2008

Physics at BES-III

D. M. Asner, T. Barnes, J. M. Bian +82

This physics book provides detailed discussions on important topics in $I ¨ $ -charm physics that will be explored during the next few years at \bes3 . Both theoretical and experiment…

hep-ex2012

Precision measurement of the branching fractions of J/psi -> pi+pi-pi0 and psi' -> pi+pi-pi0

BESIII Collaboration, M. Ablikim, M. N. Achasov +345

We study the decays of the J/psi and psi' mesons to pi+pi-pi0 using data samples at both resonances collected with the BES III detector in 2009. We measure the corresponding branch…

hep-ph2007

Muon multiplicity at high energy proton-nuclei collisions

E. A. Kuraev, S. Bakmaev, V. Bytev +1

Estimation of multiplicity of muons and pions production at high energy proton-nuclei collisions is given. Both QED and QCD contributions are considered for peripheral kinematics o…

hep-ex2014

Observation of a charged charmoniumlike structure in $e^{+} e^{-} \to (D^{} D ˉ^{})^{\pm} I ¨ ^{\mp}$ at $s = 4.26$ GeV

BESIII collaboration, M. Ablikim, M. N. Achasov +358

We study the process $e^{+} e^{-} \to (D^{*} D ˉ^{*})^{\pm} I ¨ ^{\mp}$ at a center-of-mass energy of 4.26GeV using a 827pb $^{- 1}$ data sample obtained with the BESIII detector at the B…

hep-ex2014

Observation of $I ¨ _{c 1}$ decays into vector meson pairs $I ¨ I ¨ $ , $I ¨ I ¨ $ , and $I ¨ I ¨ $

M. Ablikim, M. N. Achasov, L. An +319

Decays of $I ¨ _{c 1}$ to vector meson pairs $I ¨ I ¨ $ , $I ¨ I ¨ $ and $I ¨ I ¨ $ are observed for the first time using $(106 \pm 4) \times 1 0^{6}$ $\psip$ events accumulated at the BESIII detector a…

hep-ex2013

Evidence for Î·_{c}(2S) in Ï(3686) \to Î³K_{S}^{0}K^{\pm}Ï^{\mp}Ï^{+}Ï^{-}

The BESIII Collaboration, M. Ablikim, M. N. Achasov +346

We search for the M1 radiative transition Ï(3686) \to Î³Î·_{c}(2S) by reconstructing the exclusive Î·_{c}(2S) \to K_{S}^{0}K^{\pm}Ï^{\mp}Ï^{+}Ï^{-} decay using 1.06 \times 10^8…

hep-ex2013

Partial wave analysis of $I ¨ (2 S) \to p p ˉ I^\cdot$

M. Ablikim, M. N. Achasov, O. Albayrak +360

Using a sample of $1.06 \times 1 0^{8}$ $I ¨ (2 S)$ events collected with the BESIII detector at BEPCII, the decay $I ¨ (2 S) \to p p ˉ I^\cdot$ is studied. A partial wave analysis determin…

hep-ex2013

Observation of a charged charmoniumlike structure in e+e- to pi+pi-J/psi at \sqrt{s}=4.26 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +367

We study the process e+e- to pi+pi-J/psi at a center-of-mass energy of 4.260 GeV using a 525 pb^{-1} data sample collected with the BESIII detector operating at the Beijing Electro…

hep-ph2002

Radiative Corrections to the $K_{e 3}^{\pm}$ Decay Revised

V. Bytev, E. Kuraev, A. Baratt +1

We consider the lowest order radiative corrections for the decay $K^{\pm} \to I ¨ ^{0} e^{\pm} I^½$ , usually referred as $K_{e 3}^{\pm}$ decay. This decay is the best way to extract the v…

hep-ph2006

Radiative corrections to chiral amplitudes in quasiperipheral kinematics

V. Bytev, E. Bartos, M. V. Galynskii +1

Chiral amplitudes for two jets processes in quasi-peripheral kinematics are calculated at the Born and one loop correction level. The amplitudes of subprocesses describing interact…

hep-ex2012

Study of the near-threshold $I ¨ I ¨ $ mass enhancement in doubly OZI suppressed $J / I ¨ \to I^^{3} I ¨ I ¨ $ decays

M. Ablikim, M. N. Achasov, O. Albayrak +348

A 2.25 $\times 1 0^{8}$ $\jpsi$ event sample accumulated with the BESIII detector is used to study the doubly OZI suppressed decay modes $\jpsi\toÎ³\of$, $Ï\to\ppp$, $Ï\to\kk$. A stro…

hep-ph2007

Double logarithmical corrections to beam asymmetry in polarized electron-proton scattering

E. Kuraev, E. Tomasi-Gustafsson, S. Bakmaev +2

The up-down asymmetry in transversally polarized electron proton scattering is induced by the interference between one and two photon exchange amplitudes. Inelastic intermediate ha…

math-ph2016

HYPERgeometric functions DIfferential REduction: Mathematica-based packages for the differential reduction of generalizedhypergeometric functions: Fc hypergeometric function of three variables

V. Bytev, B. Kniehl

We present a further extension of the HYPERDIRE project, which is devoted to the creation of a set of Mathematica-based program packages for manipulations with Horn-type hypergeome…

hep-ex2013

Partial wave analysis of $J / I ¨ \to I^^{3} I^\cdot I^\cdot$

M. Ablikim, M. N. Achasov, O. Albayrak +358

Based on a sample of $2.25 \times 1 0^{8}$ $J / I ¨ $ events collected with the BESIII detector at BEPCII, a full partial wave analysis on $J / I ¨ \to I^^{3} I^\cdot I^\cdot$ was performed using the relativ…

hep-ex2012

Evidence for the Direct Two-Photon Transition from $I ¨ (3686)$ to $J / I ¨ $

BESIII Collaboration, M. Ablikim, M. N. Achasov +354

The two-photon transition $I ¨ (3686) \to I^^{3} I^^{3} J / I ¨ $ is studied in a sample of 106 million $I ¨ (3686)$ decays collected by the BESIII detector. The branching fraction is measured to be $…

hep-ex2013

Search for Baryonic Decays of Ï(3770) and Ï(4040)

BESIII Collaboration, M. Ablikim, M. N. Achasov +361

By analyzing data samples of 2.9 fb^{-1} collected at \sqrt s=3.773 GeV, 482 pb^{-1} collected at \sqrt s=4.009 GeV and 67 pb^{-1} collected at \sqrt s=3.542, 3.554, 3.561, 3.600 a…

hep-ex2012

Observation of $e^{+} e^{-} \to I^\cdot J / I ¨ $ at center-of-mass energy $s q r t s = 4.009$ GeV

The BESIII Collaboration, M. Ablikim, M. N. Achasov +339

Using a 478 pb $^{- 1}$ data sample collected with the BESIII detector operating at the BEPCII storage ring at a center-of-mass energy of $s = 4.009$ GeV, the production of $e^{…

hep-ex2012

First observation of $I^\cdot (1405)$ decays into $f_{0} (980) I ¨ ^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +332

The decays $J / I ¨ \to I^^{3} I ¨ ^{+} I ¨ ^{-} I ¨ ^{0}$ and $J / I ¨ \to I^^{3} I ¨ ^{0} I ¨ ^{0} I ¨ ^{0}$ are analyzed using a sample of 225 million $\jpsi$ events collected with the BESIII detector. The d…

hep-ex2013

Measurement of $I^\cdot^{'} \to I ¨ ^{+} I ¨ ^{-} e^{+} e^{-}$ and $I^\cdot^{'} \to I ¨ ^{+} I ¨ ^{-} I^¼^{+} I^¼^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +361

Based on a sample of 225.3 million J/Ïevents accumulated with the BESIII detector at the BEPCII, the decays of Î·' to pi+pi-l+l- are studied via J/Ïto Î³Î·'. A clear Î·' signal i…

hep-ex2012

Observation of chi_{cJ} Decays to ÎÎbarÏ^{+}Ï^{-}

BESIII Collaboration, M. Ablikim, M. N. Achasov +340

Decays of the chi_{cJ} states (J=0,\ 1,\ 2) to ÎÎbar\ pi^{+} Ï^{-}, including processes with intermediate Î£(1385), are studied through the E1 transition psi'-->Î³chi_{cJ} using…

hep-ph2000

P-violating effects in low-energy Compton scattering

E. Bartos, V. Bytev, E. Kuraev

Parity of effects induced by one loop corrections of Standard model of Compton scattering are considered. We note the main effects arise from W contributions. Keeping in the mind s…

math-ph2017

Derivatives of Horn-type hypergeometric functions with respect to their parameters

V. Bytev, B. Kniehl, S. Moch

We consider the derivatives of Horn hypergeometric functions of any number variables with respect to their parameters. The derivative of the function in $n$ variables is expressed…

hep-ex2013

Observation of a structure at 1.84 GeV/c $^{2}$ in the $3 (I ¨ ^{+} I ¨ ^{-})$ mass spectrum in $J / I ¨ \to I^^{3} 3 (I ¨ ^{+} I ¨ ^{-})$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +362

With a sample of 225.3 million $J / I ¨ $ events taken with the BESIII detector, the decay $J / I ¨ \to I^^{3} 3 (I ¨ ^{+} I ¨ ^{-})$ is analyzed. A structure at 1.84 GeV/c $^{2}$ is observed in the…

hep-ex2012

Measurements of the mass and width of the eta_c using psi' -> gamma eta_c

BESIII Collaboration, M. Ablikim, M. N. Achasov +332

The mass and width of the lowest lying S-wave spin singlet charmonium state, the eta_c, are measured using a data sample of 1.06x10^8 psi' decays collected with the BESIII detector…

hep-ex2013

Search for the Lepton Flavor Violation Process $J / I ¨ \to e I^¼$ at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +361

We search for the lepton-flavor-violating decay of the $J / I ¨ $ into an electron and a muon using $(225.3 \pm 2.8) \times 1 0^{6}$ $J / I ¨ $ events collected with the BESIII detector at the…

math-ph2014

HYPERgeometric functions DIfferential REduction: MATHEMATICA based packages for differential reduction of generalized hypergeometric functions: Horn hypergeometric functions of two variables

V. Bytev, B. Kniehl

HYPERDIRE is a project devoted to the creation of a set of Mathematica-based programs for the differential reduction of hypergeometric functions. The current version allows for man…

hep-ex2015

Study of $I ¨ (3686) \to I ¨ ^{0} h_{c}, h_{c} \to I^^{3} I^\cdot_{c}$ via $I^\cdot_{c}$ exclusive decays

The BESIII Collaboration, M. Ablikim, M. N. Achasov +346

The process $I ¨ (3686) \to I ¨ ^{0} h_{c}, h_{c} \to I^^{3} I^\cdot_{c}$ has been studied with a data sample of $106 \pm 4$ million $I ¨ (3686)$ events collected with the BESIII detector at the BEPCII st…

hep-ex2012

First observation of the M1 transition $I ¨ (3686) \to I^^{3} I^\cdot_{c} (2 S)$

M. Ablikim, M. N. Achasov, D. J. Ambrose +356

Using a sample of 106 million Ï(3686) events collected with the BESIII detector at the BEPCII storage ring, we have made the first measurement of the M1 transition between the rad…

hep-ex2012

Experimental study of psi' decays to K+K- pi^0 and K+K- eta

M. Ablikim, M. N. Achasov, D. J. Ambrose +353

Using $(106 \pm 4) \times 1 0^{6}$ $\psip$ events accumulated with the BESIII detector at the BEPCII $e^{+} e^{-}$ collider, we present measurements of the branching fractions for psi' decays…

hep-ex2013

Evidence for $I^\cdot_{c} \to I^^{3} I^^{3}$ and Measurement of $J / I ¨ \to 3 I^^{3}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +340

The decay of $J / I ¨ $ to three photons is studied using $I ¨ (3686) \to I ¨ ^{+} I ¨ ^{-} J / I ¨ $ in a sample of $1.0641 \times 1 0^{8}$ $I ¨ (3686)$ events collected with the BESIII detector. Evidence of…

hep-ex2013

Measurements of Baryon Pair Decays of $I ¨ _{c J}$ Mesons

M. Ablikim, M. N. Achasov, O. Albayrak +348

Using 106 $\times 1 0^{6}$ $I ¨ ^{'}$ decays collected with the BESIII detector at the BEPCII, three decays of $I ¨ _{c J}$ ( $J = 0, 1, 2$ ) with baryon pairs ($\llb$, $\ssb$, $\SSB$) in…

hep-ph2005

Compton and double Compton scattering processes at colliding electron-photon beams

A. N. Ilyichev, E. A. Kuraev, V. Bytev +1

Radiative corrections (RC) to the Compton scattering cross section are calculated in the leading and next-to leading logarithmic approximation to the case of colliding high energy…

hep-ex2012

Precision measurements of branching fractions for $I ¨ ^{'} \to I ¨ ^{0} J I ¨ $ and $I^\cdot J I ¨ $

M. Ablikim, M. N. Achasov, O. Albayrak +342

We present a precision study of the $\psip\toÏ^0 J/Ï$ and $I^\cdot J / I ¨ $ decay modes. The measurements are obtained using $106 \times 1 0^{6}$ $I ¨ ^{'}$ events accumulated with the BESIII detec…

hep-ex2012

Search for hadronic transition $I ¨ _{c J} \to I^\cdot_{c} I ¨ ^{+} I ¨ ^{-}$ and observation of $I ¨ _{c J} \to K K ˉ I ¨ I ¨ I ¨ $

The BESIII Collaboration, M. Ablikim, M. N. Achasov +339

Hadronic transitions of $I ¨ _{c J} \to I^\cdot_{c} I ¨ ^{+} I ¨ ^{-}$ (J=0, 1, 2) are searched for using a sample of $1.06 \times 1 0^{8}$ $I ¨ (3686)$ events collected with the BESIII detector at t…

hep-ex2012

Two-photon widths of the $I ¨ _{c 0, 2}$ states and helicity analysis for $Ï_{c2}\arÎ³Î³$}

BESIII Collaboration, M. Ablikim, M. N. Achasov +354

Based on a data sample of 106 M $I ¨ ^{'}$ events collected with the BESIII detector, the decays $Ï^{\prime}\arÎ³Ï_{c0, 2}$,$Ï_{c0, 2}\arÎ³Î³$ are studied to determine the tw…

hep-ex2012

Study of $J / I ¨ \to p p ˉ$ and $J / I ¨ \to n n ˉ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +354

The decays $J / I ¨ \to p p ˉ$ and $J / I ¨ \to n n ˉ$ have been investigated with a sample of 225.2 million $J / I ¨ $ events collected with the BESIII detector at the BEPCII $e^{+} e^{-}$ c…

hep-ex2013

Precision Measurements of $B [I ¨ (3686) \to I ¨ ^{+} I ¨ ^{-} J / I ¨ ]$ and $B [J / I ¨ \to l^{+} l^{-}]$

BESIII Collaboration, M. Ablikim, M. N. Achasov +356

Based on $(106.41 \pm 0.86) \times 1 0^{6}$ $I ¨ (3686)$ events collected with the BESIII detector at the BEPCII collider, the branching fractions of $I ¨ (3686) \to I ¨ ^{+} I ¨ ^{-} J / I ¨ $ , $J/Ï…

hep-ex2013

Search for $I^\cdot$ and $I^\cdot^{'}$ Invisible Decays in $J / I ¨ \to I ¨ I^\cdot$ and $I ¨ I^\cdot^{'}$

M. Ablikim, M. N. Achasov, O. Albayrak +340

Using a sample of $(225.3 \pm 2.8) \times 1 0^{6}$ $J / I ¨ $ decays collected with the BESIII detector at BEPCII, searches for invisible decays of $I^\cdot$ and $I^\cdot^{'}$ in $J / I ¨ \to I ¨ I^\cdot$ a…

hep-ex2013

Search for $I^\cdot$ and $I^\cdot^{'} \to I ¨ ^{+} e^{-} I^ˉ ½_{e} + c . c .$ decays in $\jpsi \to ÏÎ·$ and $I ¨ I^\cdot^{'}$

M. Ablikim, M. N. Achasov, O. Albayrak +362

Using a sample of 225.3 million $\jpsi$ events collected with the BESIII detector at the BEPCII $e^{+} e^{-}$ collider in 2009, searches for the decays of $I^\cdot$ and $Î·^\prime\toÏ^+ e^-…

math.CA2020

q-derivatives of multivariable q-hypergeometric function with respect to their parameters

V. Bytev, Pengming Zhang

We consider the q-derivatives of the Srivastava and Daoust basic multivariable hypergeometric function with respect to the parameters. This function embodies a entire number of var…

hep-ex2013

Study of $J / I ¨ \to I ¨ p p ˉ$ at BESIII

The BESIII Collaboration, M. Ablikim, M. N. Achasov +363

The decay $J / I ¨ \to I ¨ p p ˉ$ has been studied, using $225.3 \times 1 0^{6}$ $J / I ¨ $ events accumulated at BESIII. No significant enhancement near the $p p ˉ$ invariant-m…

hep-ex2012

First observation of the isospin violating decay $J / I ¨ \to I^ I^ˉ £^{0} + c . c .$

M. Ablikim, M. N. Achasov, D. J. Ambrose +353

Using a sample of $(225.2 \pm 2.8) \times 1 0^{6}$ $J / I ¨ $ events collected with the BESIII detector, we present results of a study of $J / I ¨ \to I^^{3} I^ I^ˉ $ and report the first o…

Publications (45)

Observation of I^⋅c​ decay into I^£+I^ˉ£− and I^−I^ˉ+ final states

Observation of a charged charmoniumlike structure Z_c(4020) and search for the Z_c(3900) in e+e- to pi+pi-h_c

Measurement of I¨cJ​ decaying into pnˉI¨− and pnˉI¨−I¨0

Physics at BES-III

Precision measurement of the branching fractions of J/psi -> pi+pi-pi0 and psi' -> pi+pi-pi0

Muon multiplicity at high energy proton-nuclei collisions

Observation of a charged charmoniumlike structure in e+e−→(D∗Dˉ∗)±I¨∓ at s​=4.26GeV

Observation of I¨c1​ decays into vector meson pairs I¨I¨, I¨I¨, and I¨I¨

Evidence for Î·_{c}(2S) in Ï(3686) \to Î³K_{S}^{0}K^{\pm}Ï^{\mp}Ï^{+}Ï^{-}

Partial wave analysis of I¨(2S)→ppˉ​I^⋅

Observation of a charged charmoniumlike structure in e+e- to pi+pi-J/psi at \sqrt{s}=4.26 GeV

Radiative Corrections to the Ke3±​ Decay Revised

Radiative corrections to chiral amplitudes in quasiperipheral kinematics

Study of the near-threshold I¨I¨ mass enhancement in doubly OZI suppressed J/I¨→I^3I¨I¨ decays

Double logarithmical corrections to beam asymmetry in polarized electron-proton scattering

HYPERgeometric functions DIfferential REduction: Mathematica-based packages for the differential reduction of generalizedhypergeometric functions: Fc hypergeometric function of three variables

Partial wave analysis of J/I¨→I^3I^⋅I^⋅

Evidence for the Direct Two-Photon Transition from I¨(3686) to J/I¨

Search for Baryonic Decays of Ï(3770) and Ï(4040)

Observation of e+e−→I^⋅J/I¨ at center-of-mass energy sqrts=4.009 GeV

First observation of I^⋅(1405) decays into f0​(980)I¨0

Measurement of I^⋅′→I¨+I¨−e+e− and I^⋅′→I¨+I¨−I^¼+I^¼−

Observation of chi_{cJ} Decays to ÎÎbarÏ^{+}Ï^{-}

P-violating effects in low-energy Compton scattering

Derivatives of Horn-type hypergeometric functions with respect to their parameters

Observation of a structure at 1.84 GeV/c2 in the 3(I¨+I¨−) mass spectrum in J/I¨→I^33(I¨+I¨−) decays

Measurements of the mass and width of the eta_c using psi' -> gamma eta_c

Search for the Lepton Flavor Violation Process J/I¨→eI^¼ at BESIII

HYPERgeometric functions DIfferential REduction: MATHEMATICA based packages for differential reduction of generalized hypergeometric functions: Horn hypergeometric functions of two variables

Study of I¨(3686)→I¨0hc​,hc​→I^3I^⋅c​ via I^⋅c​ exclusive decays

First observation of the M1 transition I¨(3686)→I^3I^⋅c​(2S)

Experimental study of psi' decays to K+K- pi^0 and K+K- eta

Evidence for I^⋅c​→I^3I^3 and Measurement of J/I¨→3I^3

Measurements of Baryon Pair Decays of I¨cJ​ Mesons

Compton and double Compton scattering processes at colliding electron-photon beams

Precision measurements of branching fractions for I¨′→I¨0JI¨ and I^⋅JI¨

Search for hadronic transition I¨cJ​→I^⋅c​I¨+I¨− and observation of I¨cJ​→KKˉI¨I¨I¨

Two-photon widths of the I¨c0,2​ states and helicity analysis for $Ï_{c2}\arÎ³Î³$}

Study of J/I¨→ppˉ​ and J/I¨→nnˉ

Precision Measurements of B[I¨(3686)→I¨+I¨−J/I¨] and B[J/I¨→l+l−]

Search for I^⋅ and I^⋅′ Invisible Decays in J/I¨→I¨I^⋅ and I¨I^⋅′

Search for I^⋅ and I^⋅′→I¨+e−I^ˉ½e​+c.c. decays in $\jpsi \to ÏÎ·$ and I¨I^⋅′

q-derivatives of multivariable q-hypergeometric function with respect to their parameters

Study of J/I¨→I¨ppˉ​ at BESIII

First observation of the isospin violating decay J/I¨→I^I^ˉ£0+c.c.

Observation of $I^\cdot_{c}$ decay into $I^£^{+} I^ˉ £^{-}$ and $I^^{-} I^ˉ ^{+}$ final states

Measurement of $I ¨ _{c J}$ decaying into $p n ˉ I ¨ ^{-}$ and $p n ˉ I ¨ ^{-} I ¨ ^{0}$

Observation of a charged charmoniumlike structure in $e^{+} e^{-} \to (D^{} D ˉ^{})^{\pm} I ¨ ^{\mp}$ at $s = 4.26$ GeV

Observation of $I ¨ _{c 1}$ decays into vector meson pairs $I ¨ I ¨ $ , $I ¨ I ¨ $ , and $I ¨ I ¨ $

Evidence for Î·_{c}(2S) in Ï(3686) \to Î³K_{S}^{0}K^{\pm}Ï^{\mp}Ï^{+}Ï^{-}

Partial wave analysis of $I ¨ (2 S) \to p p ˉ I^\cdot$

Radiative Corrections to the $K_{e 3}^{\pm}$ Decay Revised

Study of the near-threshold $I ¨ I ¨ $ mass enhancement in doubly OZI suppressed $J / I ¨ \to I^^{3} I ¨ I ¨ $ decays

Partial wave analysis of $J / I ¨ \to I^^{3} I^\cdot I^\cdot$

Evidence for the Direct Two-Photon Transition from $I ¨ (3686)$ to $J / I ¨ $

Search for Baryonic Decays of Ï(3770) and Ï(4040)

Observation of $e^{+} e^{-} \to I^\cdot J / I ¨ $ at center-of-mass energy $s q r t s = 4.009$ GeV

First observation of $I^\cdot (1405)$ decays into $f_{0} (980) I ¨ ^{0}$

Measurement of $I^\cdot^{'} \to I ¨ ^{+} I ¨ ^{-} e^{+} e^{-}$ and $I^\cdot^{'} \to I ¨ ^{+} I ¨ ^{-} I^¼^{+} I^¼^{-}$

Observation of chi_{cJ} Decays to ÎÎbarÏ^{+}Ï^{-}

Observation of a structure at 1.84 GeV/c $^{2}$ in the $3 (I ¨ ^{+} I ¨ ^{-})$ mass spectrum in $J / I ¨ \to I^^{3} 3 (I ¨ ^{+} I ¨ ^{-})$ decays

Search for the Lepton Flavor Violation Process $J / I ¨ \to e I^¼$ at BESIII

Study of $I ¨ (3686) \to I ¨ ^{0} h_{c}, h_{c} \to I^^{3} I^\cdot_{c}$ via $I^\cdot_{c}$ exclusive decays

First observation of the M1 transition $I ¨ (3686) \to I^^{3} I^\cdot_{c} (2 S)$

Evidence for $I^\cdot_{c} \to I^^{3} I^^{3}$ and Measurement of $J / I ¨ \to 3 I^^{3}$

Measurements of Baryon Pair Decays of $I ¨ _{c J}$ Mesons

Precision measurements of branching fractions for $I ¨ ^{'} \to I ¨ ^{0} J I ¨ $ and $I^\cdot J I ¨ $

Search for hadronic transition $I ¨ _{c J} \to I^\cdot_{c} I ¨ ^{+} I ¨ ^{-}$ and observation of $I ¨ _{c J} \to K K ˉ I ¨ I ¨ I ¨ $

Two-photon widths of the $I ¨ _{c 0, 2}$ states and helicity analysis for $Ï_{c2}\arÎ³Î³$}

Study of $J / I ¨ \to p p ˉ$ and $J / I ¨ \to n n ˉ$

Precision Measurements of $B [I ¨ (3686) \to I ¨ ^{+} I ¨ ^{-} J / I ¨ ]$ and $B [J / I ¨ \to l^{+} l^{-}]$

Search for $I^\cdot$ and $I^\cdot^{'}$ Invisible Decays in $J / I ¨ \to I ¨ I^\cdot$ and $I ¨ I^\cdot^{'}$

Search for $I^\cdot$ and $I^\cdot^{'} \to I ¨ ^{+} e^{-} I^ˉ ½_{e} + c . c .$ decays in $\jpsi \to ÏÎ·$ and $I ¨ I^\cdot^{'}$

Study of $J / I ¨ \to I ¨ p p ˉ$ at BESIII

First observation of the isospin violating decay $J / I ¨ \to I^ I^ˉ £^{0} + c . c .$