S. Adhikari

activity

20162021

most citedDirect Observation of Proton-Neutron Short-Range Correlation Dominance in Heavy Nuclei

117 citations · 972 across the 38 of their papers we have counts for

collaborators

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28 papers · 1 filter

nucl-ex2021★ 25 cited

Measurement of the proton spin structure at long distances

X. Zheng, A. Deur, H. Kang +148

Measuring the spin structure of protons and neutrons tests our understanding of how they arise from quarks and gluons, the fundamental building blocks of nuclear matter. At long di…

nucl-ex2020★ 8 cited

Photoproduction of the $f_{2} (1270)$ meson using the CLAS detector

M. ~Carver, A. ~Celentano, K. ~Hicks +137

The quark structure of the $f_{2} (1270)$ meson has, for many years, been assumed to be a pure quark-antiquark ( $q q ˉ$ ) resonance with quantum numbers $J^{P C} = 2^{++}$ . Recently,…

nucl-ex2020★ 17 cited

Strange Hadron Spectroscopy with Secondary KL Beam in Hall D

KLF Collaboration, Moskov Amaryan, Mikhail Bashkanov +150

We propose to create a secondary beam of neutral kaons in Hall D at Jefferson Lab to be used with the GlueX experimental setup for strange hadron spectroscopy. The superior CEBAF e…

nucl-ex2020★ 22 cited

Extraction of beam-spin asymmetries from the hard exclusive $π^{+}$ channel off protons in a wide range of kinematics

S. Diehl, K. Joo, A. Kim +135

We have measured beam-spin asymmetries to extract the $sin ϕ$ moment $A_{LU}^{s i n ϕ}$ from the hard exclusive $e p \to e^{'} n π^{+}$ reaction above the resonance region, fo…

nucl-ex2020★ 102 cited

Probing the core of the strong nuclear interaction

A. Schmidt, J. R. Pybus, R. Weiss +162

The strong nuclear interaction between nucleons (protons and neutrons) is the effective force that holds the atomic nucleus together. This force stems from fundamental interactions…

nucl-ex2020★ 11 cited

First measurement of direct photoproduction of the $a_{2} (1320)^{0}$ meson on the proton

A. Celentano, M. Battaglieri, R. De Vita +4

We present the first measurement of the exclusive reaction $γ p \to a_{2} (1320)^{0} p$ in the photon energy range $3.5$ - $5.5$ GeV and four-momentum transfer squared $0.2<-t<2…

nucl-ex2020★ 7 cited

Measurement of the Photon Beam Asymmetry in $γ p \to K^{+} Σ^{0}$ at $E_{γ} = 8.5$ GeV

The GlueX Collaboration, S. Adhikari, A. Ali +124

We report measurements of the photon beam asymmetry $Σ$ for the reaction $γ p \to K^{+} Σ^{0}$ (1193) using the GlueX spectrometer in Hall D at Jefferson Lab. Data were collected usin…

nucl-ex2019★ 25 cited

Beam Asymmetry $Σ$ for the Photoproduction of $η$ and $η^{'}$ Mesons at $E_{γ} = 8.8$ GeV

The GlueX Collaboration, S. Adhikari, A. Ali +131

We report on the measurement of the beam asymmetry $Σ$ for the reactions $γ p \to p η$ and $γ p \to p η^{'}$ from the GlueX experiment, using an 8.2--8.8 Ge…

nucl-ex2019★ 19 cited

Exclusive $π^{0} p$ electroproduction off protons in the resonance region at photon virtualities 0.4~GeV $^{2}$ $\leq Q^{2} \leq 1$ ~GeV $^{2}$

N. Markov, K. Joo, V. D. Burkert +120

The exclusive electroproduction process $e p \to e^{'} p^{'} π^{0}$ was measured in the range of photon virtualities $Q^{2} = 0.4 - 1.0$ ~GeV $^{2}$ and the invariant mass range of th…

nucl-ex2018

First Measurements of the Double-Polarization Observables $F$ , $P$ , and $H$ in $ω$ Photoproduction off Transversely Polarized Protons in the $N^{*}$ Resonance Region

P. Roy, S. Park, V. Crede +145

First measurements of double-polarization observables in $ω$ photoproduction off the proton are presented using transverse target polarization and data from the CEBAF Large Accepta…

nucl-ex2018★ 17 cited

Astrophysical $S_{E 2}$ factor of the $^{12} C (α, γ)^{16} O$ reaction through the $^{12} C (^{11} B,^{7} Li)^{16} O$ transfer reaction

Y. P. Shen, B. Guo, Z. H. Li +20

The $^{12} C (α, γ)^{16} O$ reaction plays a key role in the evolution of stars with masses of $M >$ 0.55 $M_{⊙}$ . The cross-section of the ${}^{12}\mathrm{C}(α…

nucl-ex2018★ 23 cited

Measurement of Nuclear Transparency Ratios for Protons and Neutrons

M. Duer, O. Hen, E. Piasetzky +6

This paper presents, for the first time, measurements of neutron transparency ratios for nuclei relative to C measured using the (e,e'n) reaction, spanning measured neutron momenta…

nucl-ex2018★ 117 cited

Direct Observation of Proton-Neutron Short-Range Correlation Dominance in Heavy Nuclei

M. Duer, A. Schmidt, J. R. Pybus +11

We measured the triple coincidence A(e,e'np) and A(e,e'pp) reactions on carbon, aluminum, iron, and lead targets at Q2 > 1.5 (GeV/c)2, xB > 1.1 and missing momentum > 400 MeV/c. Th…

nucl-ex2018★ 35 cited

First results on nucleon resonance photocouplings from the $γ p \to π^{+} π^{-} p$ reaction

CLAS Collaboration, E. Golovatch, V. D. Burkert +127

We report the first experimental measurements of the nine 1-fold differential cross sections for the $γ p \to π^{+} π^{-} p$ reaction, obtained with the CLAS detector at Jefferson Laborat…

nucl-ex2018★ 10 cited

Beam-Target Helicity Asymmetry $E$ in $K^{0} Λ$ and $K^{0} Σ^{0}$ Photoproduction on the Neutron

CLAS Collaboration, D. H. Ho, R. A. Schumacher +146

We report the first measurements of the $E$ beam-target helicity asymmetry for the $γ n \to K^{0} Λ$ , and $K^{0} Σ^{0}$ channels in the energy range 1.70 $\leq W \leq$ 2.34 Ge…

nucl-ex2018★ 58 cited

The center of mass motion of short-range correlated nucleon pairs studied via the A(e,e'pp) reaction

E. O. Cohen, O. Hen, E. Piasetzky +6

Short-Range Correlated (SRC) nucleon pairs are a vital part of the nucleus, accounting for almost all nucleons with momentum greater than the Fermi momentum (kF). A fundamental cha…

nucl-ex2018★ 4 cited

First Measurement of $Ξ^{-}$ Polarization in Photoproduction

J. Bono, L. Guo., B. Raue

Despite decades of studies of the photoproduction of hyperons, both their production mechanisms and their spectra of excited states are still largely unknown. While the parity-viol…

nucl-ex2017★ 8 cited

Double $K_{S}^{0}$ Photoproduction off the Proton at CLAS

S. Chandavar, J. T. Goetz, K. Hicks +124

The $f_{0}$ (1500) meson resonance is one of several contenders to have significant mixing with the lightest glueball. This resonance is well established from several previous experim…

nucl-ex2017★ 30 cited

Hard exclusive pion electroproduction at backward angles with CLAS

K. Park, M. Guidal, R. W. Gothe +3

We report on the first measurement of cross sections for exclusive deeply virtual pion electroproduction off the proton, $e p \to e^{'} n π^{+}$ , above the resonance region at bac…

nucl-ex2017★ 12 cited

Measurement of the beam asymmetry $Σ$ and the target asymmetry $T$ in the photoproduction of $ω$ mesons off the proton using CLAS at Jefferson Laboratory

P. Roy, Z. Akbar, S. Park +143

The photoproduction of $ω$ mesons off the proton has been studied in the reaction $γ p \to p ω$ using the CEBAF Large Acceptance Spectrometer (CLAS) and the frozen-spin target (FROS…

nucl-ex2017★ 32 cited

Measurement of the Q^2 Dependence of the Deuteron Spin Structure Function g_1 and its Moments at Low Q^2 with CLAS

K. P. Adhikari, A. Deur, L. El Fassi +145

We measured the $g_{1}$ spin structure function of the deuteron at low $Q^{2}$ , where QCD can be approximated with chiral perturbation theory ( $χ$ PT). The data cover the resonance re…

nucl-ex2017★ 14 cited

Semi-Inclusive $π_{0}$ target and beam-target asymmetries from 6 GeV electron scattering with CLAS

S. Jawalkar, S. Koirala, H. Avakian +160

We present precision measurements of the target and beam-target spin asymmetries from neutral pion electroproduction in deep-inelastic scattering (DIS) using the CEBAF Large Accept…

nucl-ex2017★ 26 cited

Measurement of the helicity asymmetry $E$ in $ω \to π^{+} π^{-} π^{0}$ photoproduction

Z. Akbar, P. Roy, S. Park +131

The double-polarization observable $E$ was studied for the reaction $γ p \to p ω$ using the CEBAF Large Acceptance Spectrometer (CLAS) in Hall B at the Thomas Jefferson National Accel…

nucl-ex2017★ 43 cited

First Exclusive Measurement of Deeply Virtual Compton Scattering off $^{4}$ He: Toward the 3D Tomography of Nuclei

M. Hattawy, N. A. Baltzell, R. Dupré +157

We report on the first measurement of the beam-spin asymmetry in the exclusive process of coherent deeply virtual Compton scattering off a nucleus. The experiment used the 6 GeV el…

Measurement of the proton spin structure at long distances

Photoproduction of the f2​(1270) meson using the CLAS detector

Strange Hadron Spectroscopy with Secondary KL Beam in Hall D

Extraction of beam-spin asymmetries from the hard exclusive π+ channel off protons in a wide range of kinematics

Probing the core of the strong nuclear interaction

First measurement of direct photoproduction of the a2​(1320)0 meson on the proton

Measurement of the Photon Beam Asymmetry in γ​p→K+Σ0 at Eγ​=8.5 GeV

Beam Asymmetry Σ for the Photoproduction of η and η′ Mesons at Eγ​=8.8GeV

Exclusive π0p electroproduction off protons in the resonance region at photon virtualities 0.4~GeV2 ≤ Q2≤ 1~GeV2

First Measurements of the Double-Polarization Observables F, P, and H in ω Photoproduction off Transversely Polarized Protons in the N∗ Resonance Region

Astrophysical SE2​ factor of the 12C(α,γ)16O reaction through the 12C(11B,7Li)16O transfer reaction