K. Tanida

Search for the decay $B_{s}^{0} \to I ¨ ^{0} I ¨ ^{0}$ at Belle

Belle Collaboration, J. Borah, B. Bhuyan +211

We report the results of the first search for the decay $B_{s}^{0} \to I ¨ ^{0} I ¨ ^{0}$ using $121.4 f b^{- 1}$ of data collected at the $I^¥ (5 S)$ resonance with the Belle detecto…

Charged-hadron identification at Belle II

Belle II Collaboration, I. Adachi, H. Ahmed +408

The Belle II experiment's ability to identify particles critically affects the sensitivity of its measurements. We describe Belle II's algorithms for identifying charged particles…

Measurements of isospin asymmetry and difference of direct $C P$ asymmetries in inclusive $B \to X_{s} I^^{3}$ decays

S. Watanuki, A. Ishikawa, I. Adachi +174

We report measurements of isospin asymmetry $I^_{0 -}$ and difference of direct $C P$ asymmetries $I^ A_{C P}$ between charged and neutral $B \to X_{s} I^^{3}$ decays. This analysis is based…

Tests of light-lepton universality in angular asymmetries of $B^{0} \to D^{*-} ℓ I^½$ decays

Belle II Collaboration, I. Adachi, K. Adamczyk +416

We present the first comprehensive tests of light-lepton universality in the angular distributions of semileptonic $B^{0}$ -meson decays to charged spin-1 charmed mesons. We measure f…

Nuclear dependence of the transverse single-spin asymmetry in the production of charged hadrons at forward rapidity in polarized $p + p$ , $p +$ Al, and $p +$ Au collisions at $s_{_{N N}} = 200$ GeV

C. Aidala, Y. Akiba, M. Alfred +300

We report on the nuclear dependence of transverse single-spin asymmetries (TSSAs) in the production of positively-charged hadrons in polarized $p^{↑} + p$ , $p^{↑} +$ Al a…

Production cross sections of hyperons and charmed baryons from $e^{+} e^{-}$ annihilation near $s = 10.52$ ~GeV

Belle Collaboration, M. Niiyama, M. Sumihama +167

We measure the inclusive production cross sections of hyperons and charmed baryons from $e^{+} e^{-}$ annihilation using a 800 fb $^{- 1}$ data sample taken near the $I^¥ (4 S)$ resonance wi…

hep-ex2016

Search for $X Y Z$ states in $I^¥ (1 S)$ inclusive decays

Belle Collaboration, C. P. Shen, C. Z. Yuan +152

The branching fractions of the $I^¥ (1 S)$ inclusive decays into final states with a $J / I ¨ $ or a $I ¨ (2 S)$ are measured with improved precision to be $\BR(Î¥(1S)\to J/Ï+ {\rm anything…

nucl-ex2023

Measurement of the transverse single-spin asymmetry for forward neutron production in a wide $p_{T}$ range in polarized $p + p$ collisions at $s = 510$ GeV

M. H. Kim, O. Adriani, E. Berti +22

Transverse single-spin asymmetries $A_{N}$ of forward neutrons at pseudorapidities larger than 6 had only been studied in the transverse momentum range of $p_{\textrm{T}}…

Measurement of the branching fraction of $I^_{c}^{+} \to p I ¨ $ decay at Belle

Belle Collaboration, S. X. Li, L. K. Li +193

Using 980.6 $f b^{- 1}$ of data collected with the Belle detector operating at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, we present a measurement of the branching fraction of…

Measurement of the branching fraction of $I^_{c}^{0} \to I^_{c}^{+} I ¨ ^{-}$ at Belle

Belle Collaboration, S. S. Tang, Y. B. Li +171

Based on a data sample of 983 fb $^{- 1}$ collected with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, we present the study of the heavy-flavor-conserving decay…

First measurement of the $B^{+} \to I ¨ ^{+} I ¨ ^{0} I ¨ ^{0}$ branching fraction and \textit{CP} asymmetry

Belle Collaboration, Y. -T. Lai, I. Adachi +198

We study $B^{+} \to I ¨ ^{+} I ¨ ^{0} I ¨ ^{0}$ using 711 $fb^{- 1}$ of data collected at the $I^¥ (4 S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ colli…

Search for the dark photon in $B^{0} \to A^{'} A^{'}$ , $A^{'} \to e^{+} e^{-}$ , $I^¼^{+} I^¼^{-}$ , and $I ¨ ^{+} I ¨ ^{-}$ decays at Belle

S. -H. Park, Y. -J. Kwon, I. Adachi +216

We present a search for the dark photon $A^{'}$ in the $B^{0} \to A^{'} A^{'}$ decays, where $A^{'}$ subsequently decays to $e^{+} e^{-}$ , $I^¼^{+} I^¼^{-}$ , and $Ï^+ Ï^-…

hep-ex2016

Observation of Transverse $I^/ I^ˉ $ Hyperon Polarization in $e^{+} e^{-}$ Annihilation at Belle

The Belle Collaboration, A. Abdesselam, I. Adachi +445

We report the first observation of the polarization of $I^/ I^ˉ $ hyperons transverse to its production plane in $e^{+} e^{-}$ annihilation. We observe a significant polarization that…

nucl-ex2012

J/psi suppression at forward rapidity in Au+Au collisions at sqrt(s_NN)=39 and 62.4 GeV

A. Adare, C. Aidala, N. N. Ajitanand +361

We present measurements of the J/psi invariant yields in sqrt(s_NN)=39 and 62.4 GeV Au+Au collisions at forward rapidity (1.2<|y|<2.2). Invariant yields are presented as a function…

Measurement of the Resonant and Non-Resonant Branching Ratios in $I^_{c}^{0} \to I^^{0} K^{+} K^{-}$

J. T. McNeil, J. Yelton, J. Bennett +192

Using the entire data sample of $980$ $f b^{- 1}$ integrated luminosity collected with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, we present an amplitude…

Search for the process $e^{+} e^{-} \to J / I ¨ + X (1835)$ at $s \approx 10.6$ GeV

Belle Collaboration, X. H. He, J. Wang +116

We report the results of a search for the $X (1835)$ state in the process $e^{+} e^{-} \to J / I ¨ + X (1835)$ using a data sample of 672 fb $^{- 1}$ collected with the Belle detector at and near…

Study of $e^{+} e^{-} \to I^¥ (1S, 2S) I^\cdot$ and $e^{+} e^{-} \to I^¥ (1S) I^\cdot^{'}$ at $s = 10.866$ GeV with the Belle detector

Belle Collaboration, E. Kovalenko, A. Garmash +179

We report the first observation of the processes $e^{+} e^{-} \to I^¥ (1S, 2S) I^\cdot$ at $s = 10.866$ ~GeV with a $10.2 I ¨ $ and $16.5 I ¨ $ significance respectively. The measured Born cross…

Amplitude analysis of e+e- => Y(nS)pi+pi- at sqrt(s)=10.865 GeV

A. Garmash, A. Bondar, A. Kuzmin +175

We report results on studies of the e+e- annihilation into three-body Y(nS)pi+pi- (n=1,2,3) final states including measurements of cross sections and the full amplitude analysis. T…

nucl-ex2016

Single electron yields from semileptonic charm and bottom hadron decays in Au $+$ Au collisions at $s_{N N} = 200$ GeV

A. Adare, C. Aidala, N. N. Ajitanand +429

The PHENIX Collaboration at the Relativistic Heavy Ion Collider has measured open heavy-flavor production in minimum bias Au $+$ Au collisions at $s_{_{N N}} = 200$ GeV via the y…

A search for feebly-interacting particles in $B$ decays with missing energy at Belle

Belle, Belle II Collaborations, : +406

We present a search for an invisible hidden-sector particle $X_{inv}$ , produced in $B^{0} \to D ˉ^{0} X_{inv}$ and $B^{\pm} \to h X_{inv}$ decays, where $h = I ¨ ^{\pm}$ ,…

Measurement of Branching Fractions of Hadronic Decays of the $I^c ◯_{c}^{0}$ Baryon

Belle Collaboration, J. Yelton, I. Adachi +186

Using a data sample of 980 $fb^{- 1}$ of $e^{+} e^{-}$ annihilation data taken with the Belle detector operating at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, we report the resu…

Observation of a new charged charmoniumlike state in B -> J/psi K pi decays

Belle Collaboration, K. Chilikin, R. Mizuk +162

We present the results of an amplitude analysis of anti-B0 -> J/psi K- pi+ decays. A new charged charmoniumlike state Zc(4200)+ decaying to J/psi pi+ is observed with a significanc…

Evidence for B_s^0 -> Lambda_c^+ Lambda-bar pi^-

Belle Collaboration, E. Solovieva, R. Chistov +163

Using 121.4 fb^{-1} of data collected with the Belle detector at the Y(5S) resonance at the KEKB asymmetric-energy e^+e^- collider, we report evidence for the B_s^0 -> Lambda_c^+ L…

Search for charmed baryons in the $I^_{c}^{+} I^\cdot$ system and measurement of the branching fractions of $I^_{c} (2880)^{+}$ and $I^_{c} (2940)^{+}$ decaying to $I^_{c}^{+} I^\cdot$ and $p D^{0}$ relative to $I^£_{c} (2455) I ¨ $

Belle Collaboration, S. X. Li, C. P. Shen +125

We search for excited charmed baryons in the $I^_{c}^{+} I^\cdot$ system using a data sample corresponding to an integrated luminosity of 980 $f b^{- 1}$ . The data were collected by the Be…

Search for lepton-flavor-violating tau-lepton decays to $ℓ I^^{3}$ at Belle

K. Uno, K. Hayasaka, K. Inami +178

Charged lepton flavor violation is forbidden in the Standard Model but possible in several new physics scenarios. In many of these models, the radiative decays $Ï^{\pm}\rightarrow…

Search for the $B \to Y (4260) K, Y (4260) \to J / I ¨ I ¨ ^{+} I ¨ ^{-}$ decays

Belle collaboration, R. Garg, V. Bhardwaj +172

We report the results of a search for the $B \to Y (4260) K, Y (4260) \to J / I ¨ I ¨ ^{+} I ¨ ^{-}$ decays. This study is based on a data sample corresponding to an integrated luminosity of 711~…

Measurement of the CKM Matrix Element $∣ V_{c b} ∣$ from $B^{0} \to D^{*-} ℓ^{+} I^½_{ℓ}$ at Belle

E. Waheed, P. Urquijo, I. Adachi +184

We present a new measurement of the CKM matrix element $∣ V_{c b} ∣$ from $B^{0} \to D^{*-} ℓ^{+} I^½_{ℓ}$ decays, reconstructed with the full Belle data set of $711 f b^{- 1}$ …

nucl-ex2021

Observation of Coulomb-assisted nuclear bound state of $I^^{-}$ - $^{14}$ N system

S. H. Hayakawa, K. Agari, J. K. Ahn +95

In an emulsion-counter hybrid experiment performed at J-PARC, a $I^^{-}$ absorption event was observed which decayed into twin single- $I^$ hypernuclei. Kinematic calculations enabled…

Search for charged-lepton flavor violation in $I^¥ (2 S) \to ℓ^{\mp} I ¨ ^{\pm}$ ( $ℓ = e, I^¼$ ) decays at Belle

R. Dhamija, S. Nishida, A. Giri +178

We report a search for the charged-lepton flavor violation in $I^¥ (2 S) \to ℓ^{\mp} I ¨ ^{\pm}$ ( $ℓ = e, I^¼$ ) decays using a $25~\fbi$ $I^¥ (2 S)$ sample collected by the Belle detector at…

Search for the $I^\cdot_{c 2} (1 D)$ in $e^{+} e^{-} \to I^^{3} I^\cdot_{c 2} (1 D)$ at $s$ near 10.6 GeV at Belle

Belle Collaboration, S. Jia, C. P. Shen +198

For the first time we search for the $I^\cdot_{c 2} (1 D)$ in $e^{+} e^{-} \to I^^{3} I^\cdot_{c 2} (1 D)$ at $s$ = 10.52, 10.58, and 10.867 GeV with data samples of 89.5 fb $^{- 1}$ , 711 fb $^{- 1}$ , and…

Charmless $B$ decay reconstruction in 2019 Belle II data

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +533

We report on the reconstruction of various charmless $B$ decays from electron-positron collisions at the energy corresponding to the $I^¥ (4 S)$ resonance collected with the Belle II…

Measurement of the charm-mixing parameter $y_{C P}$ in $D^{0} \to K_{S}^{0} I ¨ $ decays at Belle

Belle Collaboration, M. Nayak, D. Cinabro +179

We report the first measurement of the charm-mixing parameter $y_{C P}$ in $D^{0}$ decays to the $C P$ -odd final state $K_{S}^{0} I ¨ $ . The study uses the full Belle $e^{+} e^{-}$ annihil…

Rediscovery of $B \to I ¨ K^{()}$ decays and measurement of the longitudinal polarization fraction $f_{L}$ in $B \to I ¨ K^{}$ decays using the Summer 2020 Belle II dataset

F. AbudinÃ©n, I. Adachi, R. Adak +538

We utilize a sample of 34.6 fb $^{- 1}$ , collected by the Belle II experiment at the SuperKEKB asymmetric energy $e^{+} e^{-}$ collider, to search for the $B^{+} \to I ¨ K^{+}$ , $B^+ \to ÏK^{*…

hep-ex2007

Single Transverse-Spin Asymmetry in Very Forward and Very Backward Neutral Particle Production for Polarized Proton Collisions at sqrt{s} = 200 GeV

Y. Fukao, M. Togawa, A. Bazilevsky +24

In the 2001-2002 running period of the Relativistic Heavy Ion Collider (RHIC), transversely polarized protons were accelerated to 100 GeV for the first time, with collisions at sqr…

nucl-ex2024

Centrality dependence of LÃ©vy-stable two-pion Bose-Einstein correlations in $s_{_{N N}} = 200$ GeV Au $+$ Au collisions

PHENIX Collaboration, N. J. Abdulameer, U. Acharya +394

The PHENIX experiment measured the centrality dependence of two-pion Bose-Einstein correlation functions in $s_{_{N N}} = 200$ ~GeV Au $+$ Au collisions at the Relativistic Heavy…

Measurement of $C P$ asymmetries in $B^{0} \to I^\cdot^{'} K_{s}^{0}$ decays at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +399

We describe a measurement of charge-parity ( $C P$ ) violation asymmetries in $B^{0} \to I^\cdot^{'} K_{S}^{0}$ decays using Belle II data. We consider $I^\cdot^{'} \to I^\cdot (\to I^^{3} I^^{3}) I ¨ ^{+} I ¨ ^{-}$ and $Î·'\toÏ(\toÏ^…

nucl-ex2015

Systematic Study of Azimuthal Anisotropy in Cu $+$ Cu and Au $+$ Au Collisions at $s_{_{N N}} = 62.4$ and 200 GeV

A. Adare, S. Afanasiev, C. Aidala +421

We have studied the dependence of azimuthal anisotropy $v_{2}$ for inclusive and identified charged hadrons in Au $+$ Au and Cu $+$ Cu collisions on collision energy, species, and centra…

nucl-ex2010

Trends in Yield and Azimuthal Shape Modification in Dihadron Correlations in Relativistic Heavy Ion Collisions

A. Adare, S. Afanasiev, C. Aidala +424

Fast parton probes produced by hard scattering and embedded within collisions of large nuclei have shown that partons suffer large energy loss and that the produced medium may resp…

Search for lepton flavor-violating decay modes $B^{0} \to K_{S}^{0} I ¨ ^{\pm} ℓ^{\mp} (ℓ = I^¼, e)$ with hadronic $B$ -tagging at Belle and Belle II

Belle, Belle II Collaborations, : +425

We present the first search for the lepton flavor-violating decay modes $B^{0} \to K_{S}^{0} I ¨ ^{\pm} ℓ^{\mp} (ℓ = I^¼, e)$ using the 711 fb $^{- 1}$ and 365 fb $^{- 1}$ data samples…

nucl-ex2008

The HypHI project: Hypernuclear spectroscopy with stable heavy ion beams and rare isotope beams at GSI and FAIR

S. Bianchin, P. Achenbach, S. Ajimura +26

The HypHI collaboration aims to perform a precise hypernuclear spectroscopy with stable heavy ion beams and rare isotope beams at GSI and fAIR in order to study hypernuclei at extr…

hep-ex2015

Inclusive cross section and double-helicity asymmetry for $I ¨ ^{0}$ production at midrapidity in $p$ $+$ $p$ collisions at $s = 510$ GeV

A. Adare, C. Aidala, N. N. Ajitanand +410

PHENIX measurements are presented for the cross section and double-helicity asymmetry ( $A_{LL}$ ) in inclusive $I ¨ ^{0}$ production at midrapidity from $p$ $+$ $p$ collisions at $\sqrt{s…

Measurements of the masses and widths of the $I^£_{c} (2455)^{0/ ++}$ and $I^£_{c} (2520)^{0/ ++}$ baryons

Belle Collaboration, S. -H. Lee, B. R. Ko +160

We present measurements of the masses and decay widths of the baryonic states $I^£_{c} (2455)^{0/ ++}$ and $I^£_{c} (2520)^{0/ ++}$ using a data sample corresponding to an integrated lum…

Measurements of branching fractions and direct CP asymmetries in $B^{0} \to K^{+} I ¨ ^{-}$ , $B^{+} \to K_{S}^{0} I ¨ ^{+}$ and $B^{0} \to I ¨ ^{+} I ¨ ^{-}$ using 2019 and 2020 data

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +549

We report updated measurements of branching fractions ( $B$ ) and CP-violating charge asymmetries ( $A_{CP}$ ) for charmless $B$ decays at Belle II, which opera…

Improving constraints on gluon spin-momentum correlations in transversely polarized protons via midrapidity open-heavy-flavor electrons in $p^{↑} + p$ collisions at $s = 200$ GeV

N. J. Abdulameer, U. Acharya, C. Aidala +321

Polarized proton-proton collisions provide leading-order access to gluons, presenting an opportunity to constrain gluon spin-momentum correlations within transversely polarized pro…

nucl-ex2018

Pseudorapidity dependence of particle production and elliptic flow in asymmetric nuclear collisions of $p$ $+$ Al, $p$ $+$ Au, $d$ $+$ Au, and $^{3}$ He $+$ Au at $s_{_{N N}} = 200$ GeV

A. Adare, C. Aidala, N. N. Ajitanand +364

Asymmetric nuclear collisions of $p$ $+$ Al, $p$ $+$ Au, $d$ $+$ Au, and $^{3}$ He $+$ Au at $s_{_{N N}} = 200$ GeV provide an excellent laboratory for understanding particle production…

Evidence of $I^¥ (1 S) \to J / I ¨ + I ¨ _{c 1}$ and search for double-charmonium production in $I^¥ (1 S)$ and $I^¥ (2 S)$ decays

Belle Collaboration, S. D. Yang, C. P. Shen +155

Using data samples of $102 \times 1 0^{6}$ $I^¥ (1 S)$ and $158 \times 1 0^{6}$ $I^¥ (2 S)$ events collected with the Belle detector, a first experimental search has been made for double-charmoniu…

Study of $I ¨ _{b J} (2 P) \to I ¨ I^¥ (1 S)$ at Belle

Belle Collaboration, Z. S. Stottler, T. K. Pedlar +179

We report a study of the hadronic transitions $I ¨ _{b J} (2 P) \to I ¨ I^¥ (1 S)$ , with $I ¨ \to I ¨ ^{+} I ¨ ^{-} I ¨ ^{0}$ , using $28.2 \times 1 0^{6} I^¥ (3 S)$ mesons recorded by the Belle detector. We pres…

Measurement of $R (D)$ and $R (D^{*})$ with a semileptonic tagging method

The Belle Collaboration, A. Abdesselam, I. Adachi +461

We report a measurement of the ratios of branching fractions $R (D) = B (B ˉ \to D I ¨ ^{-} I^ˉ ½_{I ¨} ) / B (B ˉ \to D ℓ^{-} I^ˉ ½_{ℓ})$ and $\mathcal{R}…

Study of $I^¥ (10753)$ decays to $I ¨ ^{+} I ¨ ^{-} I^¥ (n S)$ final states at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +393

We present an analysis of the process $e^{+} e^{-} \to I ¨ ^{+} I ¨ ^{-} I^¥ (n S)$ (where $n$ = 1, 2, or 3) reconstructed in $19.6$ $f b^{- 1}$ of Belle II data during a special run of t…

Transverse single-spin asymmetry of forward $I^\cdot$ mesons in $p^{↑} + p$ collisions at $s = 200$ GeV

PHENIX Collaboration, N. J. Abdulameer, U. Acharya +380

Utilizing the 2012 transversely polarized proton data from the Relativistic Heavy Ion Collider at Brookhaven National Laboratory, the forward $I^\cdot$ -meson transverse single-spin asym…

nucl-ex2015

Measurement of the strong interaction induced shift and width of the 1s state of kaonic deuterium at J-PARC

J. Zmeskal, M. Sato, S. Ajimura +74

The antikaon-nucleon interaction close to threshold provides crucial information on the interplay between spontaneous and explicit chiral symmetry breaking in low-energy QCD. In th…

Observation of $B \to D^{(*)} K^{-} K_{S}^{0}$ decays using the 2019-2022 Belle II data sample

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +575

We present a measurement of the branching fractions of four $B^{0, -} \to D^{(*) +, 0} K^{-} K_{S}^{0}$ decay modes. The measurement is based on data from SuperKEKB electron-positron colli…

nucl-ex2011

Production of omega mesons in p+p, d+Au, Cu+Cu, and Au+Au collisions at sqrt(s_NN)=200 GeV

A. Adare, S. Afanasiev, C. Aidala +538

The PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC) has measured omega meson production via leptonic and hadronic decay channels in p+p, d+Au, Cu+Cu, and Au+Au coll…

Measurements of the branching fractions for $B \to K^{*} I^^{3}$ decays at Belle II

F. AbudinÃ©n, I. Adachi, R. Adak +565

This paper reports a study of $B \to K^{*} I^^{3}$ decays using $62.8 \pm 0.6$ fb $^{- 1}$ of data collected during 2019--2020 by the Belle II experiment at the SuperKEKB $e^{+} e^{-}$ asym…

nucl-ex2019

Multi-particle azimuthal correlations for extracting event-by-event elliptic and triangular flow in Au $+$ Au collisions at $s_{_{N N}} = 200$ GeV

A. Adare, C. Aidala, N. N. Ajitanand +319

We present measurements of elliptic and triangular azimuthal anisotropy of charged particles detected at forward rapidity $1 < ∣ I^\cdot ∣ < 3$ in Au $+$ Au collisions at $s_{_{N N}} = 200$ …

Measurement of $I ¨ $ -meson production at forward rapidity in $p$ $+$ $p$ collisions at $s$ =510 GeV and energy dependence of $I ¨ _{I ¨} $ from $s$ =200 GeV to 7 TeV

A. Adare, C. Aidala, N. N. Ajitanand +355

The PHENIX experiment at the Relativistic Heavy Ion Collider has measured the differential cross section of $I ¨ $ (1020)-meson production at forward rapidity in $p$ $+$ $p$ collisions…

nucl-ex2026

Elliptic flow of $π^{0}$ mesons in Cu $+$ Au collisions at $s_{_{N N}} = 200$ GeV and U $+$ U at $s_{_{N N}} = 193$ GeV

PHENIX Collaboration, N. J. Abdulameer, U. Acharya +386

The second-order azimuthal anisotropy coefficients ( $v_{2}$ ) of neutral $π$ mesons ( $π^{0}$ ) have been measured as a function of the transverse momentum ( $p_{T}$ ) and centrality of Cu $+$ …

Evidence of $h_{b} (2P) \to I^¥ (1S) I^\cdot$ decay and search for $h_{b} (1P,2P) \to I^¥ (1S) I ¨ ^{0}$ with the Belle detector

Belle Collaboration, E. Kovalenko, I. Adachi +164

We report the first evidence for the $h_{b} (2P) \to I^¥ (1S) I^\cdot$ transition with a significance of $3.5$ standard deviations. The decay branching fraction is measured to…

Observation of $e^{+} e^{-} \to I ¨ ^{+} I ¨ ^{-} I ¨ ^{0} I ¨ _{b J}$ and search for $X_{b} \to I ¨ I^¥ (1 S)$ at $s \sim 10.867$ GeV

Belle Collaboration, X. H. He, C. P. Shen +158

The $e^{+} e^{-} \to I ¨ ^{+} I ¨ ^{-} I ¨ ^{0} I ¨ _{b J}$ ( $J = 0, 1, 2$ ) processes are studied using a 118~fb $^{- 1}$ data sample collected at a center-of-mass energy of 10.867 GeV, in the $I^¥ (10860)$ …

Measurement of the branching fraction of $B^{+} \to I ¨ ^{+} I^½_{I ¨} $ decays with the semileptonic tagging method and the full Belle data sample

Belle Collaboration, A. Abdesselam, I. Adachi +392

We report a measurement of the branching fraction of $B^{+} \to I ¨ ^{+} I^½_{I ¨} $ decays using a data sample of $772 \times 1 0^{6} B B ˉ$ pairs, collected at the $I^¥ (4 S)$ resonance with…

nucl-ex2023

Low- $p_{T}$ direct-photon production in Au $+$ Au collisions at $s_{_{N N}} = 39$ and 62.4 GeV

N. J. Abdulameer, U. Acharya, A. Adare +431

The measurement of direct photons from Au $+$ Au collisions at $s_{_{N N}} = 39$ and 62.4 GeV in the transverse-momentum range $0.4 < p_{T} < 3$ Gev/ $c$ is presented by the PHENIX coll…

Kinematic dependence of azimuthal anisotropies in $p$ $+$ Au, $d$ $+$ Au, $^{3}$ He+Au at $s_{_{N N}}$ = 200 GeV

U. A. Acharya, A. Adare, C. Aidala +378

There is strong evidence for the formation of small droplets of quark-gluon plasma in $p / d /^{3}$ He+Au collisions at the Relativistic Heavy Ion Collider (RHIC) and in $p$ + $p$ /Pb col…

Search for lepton-number- and baryon-number-violating tau decays at Belle

D. Sahoo, G. B. Mohanty, K. Trabelsi +222

We search for lepton-number- and baryon-number-violating decays $I ¨ ^{-} \to p e^{+} e^{-}$ , $p e^{-} e^{-}$ , $p e^{+} I^¼^{-}$ , $p e^{-} I^¼^{+}$ , $\overline{p…

Measurement of the branching fractions for Cabibbo-suppressed decays $D^{+} \to K^{+} K^{-} I ¨ ^{+} I ¨ ^{0}$ and $D_{(s)}^{+} \to K^{+} I ¨ ^{-} I ¨ ^{+} I ¨ ^{0}$ at Belle

Belle Collaboration, L. K. Li, A. J. Schwartz +197

We present measurements of the branching fractions for the singly Cabibbo-suppressed decays $D^{+} \to K^{+} K^{-} I ¨ ^{+} I ¨ ^{0}$ and $D_{s}^{+} \to K^{+} I ¨ ^{-} I ¨ ^{+} I ¨ ^{0}$ , and the doubly…

Cross sections of $I^\cdot$ mesons in $p$ $+$ $p$ collisions at forward rapidity at $s = 500$ GeV and central rapidity at $s = 510$ GeV

PHENIX Collaboration, N. J. Abdulameer, U. Acharya +497

We present the first measurements of the forward and midrapidity $I^\cdot$ -meson cross sections from $p$ $+$ $p$ collisions at $s = 500$ and $510$ ~GeV, respectively. We also report t…

nucl-ex2020

Evolution of pi^0 suppression in Au+Au collisions from sqrt(s_NN) = 39 to 200 GeV

A. Adare, S. Afanasiev, C. Aidala +367

Neutral-pion, pi^0, spectra were measured at midrapidity (|y|<0.35) in Au+Au collisions at sqrt(s_NN) = 39 and 62.4 GeV and compared to earlier measurements at 200 GeV in the 1<p_T…

Measurement of the $B^{+} / B^{0}$ production ratio in $e^{+} e^{-}$ collisions at the $I^¥ (4 S)$ resonance using $B \to J / I ¨ (ℓℓ) K$ decays at Belle

Belle Collaboration, S. Choudhury, S. Sandilya +197

We measure the ratio of branching fractions for the $I^¥ (4 S)$ decays to $B^{+} B^{-}$ and $B^{0} B ˉ^{0}$ using $B^{+} \to J / I ¨ (ℓℓ) K^{+}$ and $B^0 \rightarrow J/Ï(\ell\ell)…

nucl-ex2016

$I ¨ $ meson production in the forward/backward rapidity region in Cu $+$ Au collisions at $s_{N N} = 200$ GeV

A. Adare, C. Aidala, N. N. Ajitanand +509

The PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC) has measured $I ¨ $ meson production and its nuclear modification in asymmetric Cu $+$ Au heavy-ion collisions at $\…

Observation of the radiative decays of $I^¥ (1 S)$ to $I ¨ _{c 1}$

P. Katrenko, I. Adachi, H. Aihara +166

We report the first observation of the radiative decay of the $I^¥ (1 S)$ into a charmonium state. The statistical significance of the observed signal of $I^¥ (1 S) \to I^^{3} I ¨ _{c 1}$ is 6.3…

Measurement of branching fractions and $C P$ asymmetries for $D_{s}^{+} \to K^{+} (I^\cdot, I ¨ ^{0})$ and $D_{s}^{+} \to I ¨ ^{+} (I^\cdot, I ¨ ^{0})$ decays at Belle

Belle Collaboration, Y. Guan, A. J. Schwartz +200

We report measurements of the branching fractions and $C P$ asymmetries for $D_{s}^{+} \to K^{+} I^\cdot$ , $D_{s}^{+} \to K^{+} I ¨ ^{0}$ , and $D_{s}^{+} \to I ¨ ^{+} I^\cdot$ de…

Study of $B^{+} \to I^¼^{+} I^½_{I^} ¼$ decays at Belle and Belle II

Belle, Belle II Collaborations, : +412

We report a measurement of the branching fraction for the leptonic decay $B^{+} \to I^¼^{+} I^½_{I^} ¼$ . This work presents the first $B^{+} \to I^¼^{+} I^½_{I^} ¼$ result using Belle~II data, an updated Be…

nucl-ex2018

Measurements of mass-dependent azimuthal anisotropy in central $p$ $+$ Au, $d$ $+$ Au, and $^{3}$ He $+$ Au collisions at $s_{_{N N}} = 200$ GeV

A. Adare, C. Aidala, N. N. Ajitanand +349

We present measurements of the transverse-momentum dependence of elliptic flow $v_{2}$ for identified pions and (anti)protons at midrapidity ( $∣ I^\cdot ∣ < 0.35$ ), in 0%--5% central $p$ $+$ Au…

Measurement of Differential Branching Fractions of Inclusive $B \to X_{u} ℓ^{+} I^½_{ℓ}$ Decays

Belle Collaboration, L. Cao, W. Sutcliffe +198

The first measurements of differential branching fractions of inclusive semileptonic $B \to X_{u} ℓ^{+} I^½_{ℓ}$ decays are performed using the full Belle data set of 711 f…

nucl-ex2015

Heavy-quark production and elliptic flow in Au $+$ Au collisions at $s_{_{N N}} = 62.4$ GeV

A. Adare, C. Aidala, N. N. Ajitanand +366

We present measurements of electrons and positrons from the semileptonic decays of heavy-flavor hadrons at midrapidity ( $∣ y ∣ <$ 0.35) in Au $+$ Au collisions at $\sqrt{s_{_{NN}}}=62.4…

hep-ex2015

First Observation of Doubly Cabibbo-Suppressed Decay of a Charmed Baryon: $I^_{c}^{+} \to p K^{+} I ¨ ^{-}$

Belle Collaboration, S. B. Yang, K. Tanida +190

We report the first observation of the decay $I^_{c}^{+} \to p K^{+} I ¨ ^{-}$ using a 980 $f b^{- 1}$ data sample collected by the Belle detector at the KEKB asymmetr…

Measurement of branching fractions and search for $C P$ violation in $D^{0} \to I ¨ ^{+} I ¨ ^{-} I^\cdot$ , $D^{0} \to K^{+} K^{-} I^\cdot$ , and $D^{0} \to I ¨ I^\cdot$ at Belle

Belle Collaboration, L. K. Li, A. J. Schwartz +187

We measure the branching fractions and $C P$ asymmetries for the singly Cabibbo-suppressed decays $D^{0} \to I ¨ ^{+} I ¨ ^{-} I^\cdot$ , $D^{0} \to K^{+} K^{-} I^\cdot$ , and $D^{0} \to I ¨ I^\cdot$ , using 980 fb…

Production of $I ¨ ^{0}$ and $I^\cdot$ mesons in U $+$ U collisions at $s_{_{N N}} = 192$ GeV

U. Acharya, C. Aidala, N. N. Ajitanand +399

The PHENIX experiment at the Relativistic Heavy Ion Collider measured $I ¨ ^{0}$ and $I^\cdot$ mesons at midrapidity in U $+$ U collisions at $s_{_{N N}} = 192$ GeV in a wide transverse m…

Test of lepton flavor universality and search for lepton flavor violation in $B \to K ℓℓ$ decays

S. Choudhury, S. Sandilya, K. Trabelsi +220

We present measurements of the branching fractions for the decays $B \to K I^¼^{+} I^¼^{-}$ and $B \to K e^{+} e^{-}$ , and their ratio ( $R_{K}$ ), using a data sample of 711 $f b^{- 1}$ tha…

Evidence of a new excited charmed baryon decaying to $I^£_{c} (2455)^{0, ++} I ¨ ^{\pm}$

Belle Collaboration, Y. B. Li, C. P. Shen +194

We present the study of $B ˉ^{0} \to I^£_{c} (2455)^{0, ++} I ¨ ^{\pm} p ˉ$ decays based on $772 \times 1 0^{6}$ $B B ˉ$ events collected with the Belle detector at the KEKB as…

A test of lepton flavor universality with a measurement of $R (D^{*})$ using hadronic $B$ tagging at the Belle II experiment

Belle II Collaboration, I. Adachi, K. Adamczyk +434

The ratio of branching fractions $R (D^{*}) = B (B \to D^{*} I ¨ ^{-} I^½_{I ¨} )$ /$\mathcal{B} (\overline{B} \rightarrow D^{*} \ell^{-} \overlineÎ½_{\…

hep-ex2015

Measurement of Azimuthal Modulations in the Cross-Section of Di-Pion Pairs in Di-Jet Production from Electron-Positron Annihilation

A. Abdesselam, I. Adachi, K. Adamczyk +418

We present an extraction of azimuthal correlations between two pairs of charged pions detected in opposite jets from electron-positron annihilation. These correlations may arise fr…

hep-ex2017

Study of $K_{S}^{0}$ pair production in single-tag two-photon collisions

Belle Collaboration, M. Masuda, S. Uehara +185

We report a measurement of the cross section for $K_{S}^{0}$ pair production in single-tag two-photon collisions, $Î³^* Î³\to K^0_S K^0_S$, for $Q^{2}$ up to 30 GeV $^{2}$ , where $Q^{2}$ is t…

Measurements of branching fractions and CP-violating charge asymmetries in multibody charmless $B$ decays reconstructed in 2019-2020 Belle II data

We report on measurements of branching fractions ( $B$ ) and CP-violating charge asymmetries ( $A_{CP}$ ) of multibody charmless $B$ decays reconstructed by the…

High-statistics study of K^0_S pair production in two-photon collisions

The Belle Collaboration, S. Uehara, Y. Watanabe +164

We report a high-statistics measurement of the differential cross section of the process gamma gamma --> K^0_S K^0_S in the range 1.05 GeV <= W <= 4.00 GeV, where W is the center-o…

hep-ex2012

Evidence for a Zb0(10610) in Dalitz analysis of Y(5S) -> Y(nS) pi0 pi0

I. Adachi, K. Adamczyk, H. Aihara +331

We report the first observation of Y(5S) -> Y(1,2S) pi0 pi0 decays. Evidence for the Zb0(10610) with 4.9sigma significance is found in a Dalitz plot analysis of Y(5S) -> Y(2S) pi0…

nucl-ex2010

Azimuthal correlations of electrons from heavy-flavor decay with hadrons in p+p and Au+Au collisions at sqrt(s_NN)=200 GeV

A. Adare, S. Afanasiev, C. Aidala +425

Measurements of electrons from the decay of open-heavy-flavor mesons have shown that the yields are suppressed in Au+Au collisions compared to expectations from binary scaled p+p c…

Measurement of exclusive $I^¥ (1 S)$ and $I^¥ (2 S)$ decays into Vector-Pseudoscalar final states

Belle Collaboration, C. P. Shen, C. Z. Yuan +178

Using samples of 102 million $I^¥ (1 S)$ and 158 million $I^¥ (2 S)$ events collected with the Belle detector, we study exclusive hadronic decays of these two bottomonium resonances to $…

Measurement of charm and bottom production from semileptonic hadron decays in $p$ $+$ $p$ collisions at $s_{N N} = 200$ GeV

C. Aidala, Y. Akiba, M. Alfred +299

Measurements of the differential production of electrons from open-heavy-flavor hadrons with charm- and bottom-quark content in $p$ $+$ $p$ collisions at $s = 200$ GeV are prese…

nucl-ex2004

Neutron and proton energy spectra from the non-mesonic weak decays of 5_Lambda-He and 12_Lambda-C

S. Okada, S. Ajimura, K. Aoki +30

We have simultaneously measured the energy spectra of neutrons and protons emitted in the non-mesonic weak decays of 5_Lambda-He and 12_Lambda-C hypernuclei produced via the (pi^+,…

Search for a heavy neutrino in $I ¨ $ decays at Belle

Belle Collaboration, D. Liventsev, I. Adachi +189

We report on a search for a heavy neutrino in the decays $I ¨ ^{-} \to I ¨ ^{-} I^½_{h}$ , $I^½_{h} \to I ¨ ^{\pm} ℓ - +$ , $ℓ = e, I^¼$ . The results are obtained using the full data sample collect…

Measurement of the integrated luminosity of the Phase 2 data of the Belle II experiment

From April to July 2018, a data sample at the peak energy of the $I^¥ (4 S)$ resonance was collected with the Belle~II detector at the SuperKEKB electron-positron collider. This is th…

nucl-ex2013

Spectra and ratios of identified particles in Au+Au and d+Au collisions at sqrt(s_NN)=200 GeV

A. Adare, S. Afanasiev, C. Aidala +413

The transverse momentum (p_T) spectra and ratios of identified charged hadrons (Ï^+/-, K^+/-, p, p^bar) produced in sqrt(s_NN)=200 GeV Au+Au and d+Au collisions are reported in fi…

Search for $h_{b} (2 P) \to I^^{3} I ¨ _{b J} (1 P)$ at $s = 10.860$ GeV

Belle Collaboration, A. Boschetti, R. Mussa +140

In the bottomonium sector, the hindered magnetic dipole (M1) transitions between P-wave states $h_{b} (2 P) \to I ¨ _{b J} (1 P) I^^{3}$ , $J = 0, 1, 2$ , are expected to be severely…

nucl-ex2016

Centrality-dependent modification of jet-production rates in deuteron-gold collisions at $s_{N N}$ =200 GeV

A. Adare, C. Aidala, N. N. Ajitanand +481

Jet production rates are measured in $p$ $+$ $p$ and $d$ $+$ Au collisions at $s_{N N}$ =200 GeV recorded in 2008 with the PHENIX detector at the Relativistic Heavy Ion Collider.…

Search for $I^^{0} p$ , $I^c ◯^{-} p$ , and $I^c ◯^{-} n$ dibaryons in $I^¥ (1 S)$ and $I^¥ (2 S)$ decays at Belle

Belle, Belle II Collaborations, : +367

We search for $I^^{0} p$ , $I^c ◯^{-} p$ , and $I^c ◯^{-} n$ dibaryon states in $I^¥ (1 S)$ and $I^¥ (2 S)$ decays, probing mass regions near the corresponding baryon-pair thresholds. Multistrange baryon…

nucl-ex2012

Transverse-Momentum Dependence of the J/psi Nuclear Modification in d+Au Collisions at sqrt(s_NN)=200 GeV

A. Adare, S. Afanasiev, C. Aidala +379

We present measured J/psi production rates in d+Au collisions at sqrt(s_NN) = 200 GeV over a broad range of transverse momentum (p_T=0-14 GeV/c) and rapidity (-2.2<y<2.2). We const…

Test of lepton flavor universality with measurements of $R (D^{+})$ and $R (D^{*+})$ using semileptonic $B$ tagging at the Belle II experiment

Belle II Collaboration, I. Adachi, K. Adamczyk +450

We report measurements of the ratios of branching fractions ${\cal R}(D^{(*)+}) = \frac{{\cal B}(\overline{B}{}^0 \to D^{(*)+} \,Ï^- \, \overlineÎ½_Ï)}{{\cal B}(\overline{B}{}^0…

Search for $B_{s}^{0} \to I^\cdot^{'} X_{s s ˉ}$ at Belle using a semi-inclusive method

Belle Collaboration, S. Dubey, T. E. Browder +171

We report the first search for the penguin-dominated process $B_{s}^{0} \to I^\cdot^{'} X_{s s ˉ}$ using a semi-inclusive method. A 121.4 $fb^{- 1}$ integrated l…

nucl-ex2014

Concept for an Electron Ion Collider (EIC) detector built around the BaBar solenoid

PHENIX Collaboration, A. Adare, C. Aidala +304

The PHENIX collaboration presents here a concept for a detector at a future Electron Ion Collider (EIC). The EIC detector proposed here, referred to as ePHENIX, will have excellent…