Ball State University

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19962025

most citedFirst Observation of the Doubly Charmed Baryon Xi_cc^+

427 citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

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20 papers · 1 filter

hep-ex2025

Study of Central Exclusive Production of $π^{+} π^{-}$ , $K^{+} K^{-}$ and $p p ˉ$ Pairs in Proton-Proton Collisions at $s = 510$ GeV with the STAR Detector at RHIC

STAR Collaboration, B. E. Aboona, J. Adam +378

We report on the first measurement of the Central Exclusive Production process in proton-proton collisions: $pp \to p h^{+} h^{-} p$ (where $h = π, K, p$ ) at the center-of-…

hep-ex2025

Measurement of transverse polarization of $Λ$ and $Λ ˉ$ hyperons inside jets in $pp$ collisions at $s = 200$ GeV

STAR Collaboration, B. E. Aboona, J. Adam +363

A surprisingly large transverse polarization of $Λ$ hyperons in unpolarized hadron-nucleon/nucleus collisions has been observed for 50 years, and the origin of this polarization re…

hep-ex2025★ 4 cited

Energy Independence of the Collins Asymmetry in $p^{↑} p$ Collisions

STAR Collaboration, B. E. Aboona, J. Adam +367

The STAR experiment reports new, high-precision measurements of the transverse single-spin asymmetries for $π^{\pm}$ within jets, namely the Collins asymmetries, from transversely…

hep-ex2025★ 16 cited

Measuring spin correlation between quarks during QCD confinement

The STAR Collaboration

The vacuum is now understood to possess a rich and complex structure, characterized by fluctuating energy fields and a condensate of virtual quark-antiquark pairs. The spontaneous…

hep-ex2024★ 3 cited

Precision measurement of the longitudinal double-spin asymmetry for dijet production at intermediate pseudorapidity in polarized $pp$ collisions at $s$ = 200 GeV

The STAR Collaboration

The STAR Collaboration reports precise measurements of the longitudinal double-spin asymmetry, $A_{LL}$ , for dijet production with at least one jet at intermediate pseudorapidity $…

hep-ex2023★ 1 cited

Results on Elastic Cross Sections in Proton-Proton Collisions at $s = 510$ GeV with the STAR Detector at RHIC

STAR Collaboration, M. I. Abdulhamid, B. E. Aboona +351

We report results on an elastic cross section measurement in proton-proton collisions at a center-of-mass energy $s = 510$ GeV, obtained with the Roman Pot setup of the STAR e…

hep-ex2023★ 8 cited

Longitudinal and transverse spin transfer to $Λ$ and $Λ$ hyperons in polarized $p$ + $p$ collisions at $s = 200$ GeV

STAR Collaboration, M. I. Abdulhamid, B. E. Aboona +364

The longitudinal and transverse spin transfers to $Λ$ ( $Λ$ ) hyperons in polarized proton-proton collisions are expected to be sensitive to the helicity and transversity di…

hep-ex2023

Measurement of transverse single-spin asymmetries for dijet production in polarized proton-proton collisions at $s$ = 200 $GeV$

STAR Collaboration

We report a new measurement of transverse single-spin asymmetries for dijet production in collisions of polarized protons at $s$ = 200 $GeV$ . Correlations between t…

hep-ex2022★ 17 cited

Azimuthal transverse single-spin asymmetries of inclusive jets and identified hadrons within jets from polarized $pp$ collisions at $s$ = 200 GeV

STAR Collaboration, M. S. Abdallah, B. E. Aboona +357

The STAR Collaboration reports measurements of the transverse single-spin asymmetries, $A_{N}$ , for inclusive jets and identified `hadrons within jets' production at midrapidity from…

hep-ex2008★ 4 cited

First Observation of the Cabibbo-suppressed Decays Xi_c+ -> Sigma+ pi- pi+ and Xi_c+ -> Sigma- pi+ pi+ and Measurement of their Branching Ratios

SELEX Collaboration, E. Vazquez-Jauregui, J. Engelfried

We report the first observation of two Cabibbo-suppressed decay modes, Xi_c+ -> Sigma+ pi- pi+ and Xi_c+ -> Sigma- pi+ pi+. We observe 59+/-14 over a background of 87, and 22+/-8 o…

hep-ex2004★ 91 cited

First observation of a narrow charm-strange meson DsJ(2632) -> Ds eta and D0 K+

The SELEX Collaboration, A. V. Evdokimov

We report the first observation of a charm-strange meson DsJ(2632) at a mass of 2632.6+/-1.6 MeV/c^2 in data from SELEX, the charm hadro-production experiment E781 at Fermilab. Thi…

hep-ex2004★ 15 cited

Upper limit on the decay Sigma(1385)- --> Sigma- gamma, and cross section for gamma Sigma- --> Lambda pi-

SELEX Collaboration, V. V. Molchanov

Coherent Lambda pi- production on Pb of 600 GeV Sigma- hyperons has been studied with the SELEX facility at Fermilab. Using the Primakoff formalism, we set a 90% CL upper limit on…

hep-ex2003★ 5 cited

Production Asymmetry of $D_{s}$ from 600 GeV/c $Σ^{-}$ and $π^{-}$ beam

M. Kaya

The production of $D_{s}^{-}$ relative to $D_{s}^{+}$ as a function of $x_{F}$ with 600 GeV/c $Σ^{-}$ beam is measured in the interval $0.15 < x_{F} < 0.7$ by the SELEX (E781) experiment at Fer…

hep-ex2002★ 427 cited

First Observation of the Doubly Charmed Baryon Xi_cc^+

The SELEX Collaboration, M. Mattson

We observe a signal for the doubly charmed baryon Xi_cc^+ in the charged decay mode Xi_cc^+ --> Lambda_c^+ K- pi+ in data from SELEX, the charm hadro-production experiment at Fermi…

hep-ex2001★ 13 cited

Radiative decay width of the a2(1320)^- meson

The SELEX collaboration, V. V. Molchanov

Coherent pi^+pi^-pi^- production in the interactions of a beam of 600 GeV pi^- mesons with C, Cu and Pb nuclei has been studied with the SELEX facility (Experiment E781 at Fermilab…

hep-ex2001★ 45 cited

Hadronic Production of Lambda_c from 600 GeV/c pion, sigma and proton beams

SELEX Collaboration, Fernanda G. Garcia

We present data from Fermilab experiment E781 (SELEX) on the hadroproduction asymmetry for anti-Lambda_c compared to Lambda_c+ as a function of xF and pt2 distributions for Lambda_…

hep-ex2001★ 5 cited

First Measurement of pi e -> pi e gamma Pion Virtual Compton Scattering

FNAL SELEX Collaboration

Pion Virtual Compton Scattering (VCS) via the reaction pi e --> pi e gamma was observed in the Fermilab E781 SELEX experiment. SELEX used a 600 GeV/c pi- beam incident on target at…

hep-ex2000★ 33 cited

Precision measurements of the Lambda_c+ and D0 lifetimes

The SELEX collaboration, A. Kushnirenko

We report new precision measurements of the lifetimes of the Lambda_c+ and D0 from SELEX, the charm hadro-production experiment at Fermilab. Based upon 1630 Lambda_c+ and 10210 D0…

hep-ex1999★ 45 cited

Total Cross Section Measurements with pi-, Sigma- and Protons on Nuclei and Nucleons around 600 GeV/c

The SELEX Collaboration, U. Dersch

Total cross sections for Sigma- and pi- on beryllium, carbon, polyethylene and copper as well as total cross sections for protons on beryllium and carbon have been measured in a br…

hep-ex1999★ 15 cited

Observation of the Cabibbo-suppressed decay Xi_c+ -> p K- pi+

SELEX Collaboration, S. Y. Jun

We report the first observation of the Cabibbo-suppressed charm baryon decay Xi_c+ -> p K- pi+. We observe 150 +- 22 events for the signal. The data were accumulated using the SELE…

Study of Central Exclusive Production of π+π−, K+K− and ppˉ​ Pairs in Proton-Proton Collisions at s​=510 GeV with the STAR Detector at RHIC

Measurement of transverse polarization of Λ and Λˉ hyperons inside jets in pp collisions at s​=200 GeV

Energy Independence of the Collins Asymmetry in p↑p Collisions