Erratum: Measurement of transverse single-spin asymmetries for<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>J</mml:mi><mml:mo mathvariant="bold">/</mml:mo><mml:mi>ψ</mml:mi></mml:math>production in polarized<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>p</mml:mi><mml:mo mathvariant="bold">+</mml:mo><mml:mi>p</mml:mi></mml:math>collisions at<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msqrt><mml:mi>s</m

Adare, A.; Afanasiev, S.; Aidala, C.; Ajitanand, N. N.; Akiba, Y.; Al-Bataineh, H.; Alexander, J.; Al-Ta’ani, H.; Angerami, A.; Aoki, Kazuo; Apadula, N.; Aphecetche, L.; Aramaki, Y.; Asai, J.; Atomssa, E. T.; Averbeck, R.; Awes, T. C.; Azmoun, B.; Babintsev, V.; Bai, Mei; Baksay, G.; Baksay, L.; Baldisseri, A.; Barish, K. N.; Barnes, P.; Bassalleck, B.; Basye, A.; Bathe, S.; Batsouli, S.; Baublis, V.; Baumann, C.; Bazilevsky, A.; Беликов, С.; Belmont, R.; Bennett, R.; Berdnikov, A.; Berdnikov, Y.; Bhom, J.; Bickley, A. A.; Blau, D.; Boissevain, J. G.; Bok, Jeongsu; Borel, H.; Borggren, N.; Boyle, K.; Brooks, M. L.; Buesching, H.; Bumazhnov, V.; Bunce, G.; Butsyk, S.; Camacho, C. Muñoz; Campbell, S.; Caringi, A.; Chang, B.; Chang, W. C.; Charvet, J. L.; Chen, C. H.; Chernichenko, S.; Y., C.; Chiu, M.; Choi, I. J.; Choi, J.; Choudhury, R. K.; Christiansen, P.; Chujo, T.; Chung, P.; Churyn, A.; Chvála, O.; Cianciolo, V.; Citron, Z. H.; Cole, B.; Valle, Z. 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doi:10.1103/physrevd.86.099904

Cited by 21 publications

(18 citation statements)

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“…However, due to the limited statistics precision and the narrow kinematic coverage of the SIDIS data, only the valence quark Sivers function at moderate to high x could be constrained in phenomenological fits [9]. The quark Sivers function has also been studied in polarized proton-proton collisions by the STAR and PHENIX collaborations at the Relativistic Heavy Ion Collider (RHIC) [10,11]. There are first indications both from STAR through the W -boson measurement [12] and COMPASS in Drell-Yan (DY) production [13] for the non-university of the Sivers function [5] if measured in hadron-hadron collisions or SIDIS, but the still challenging statistical precision limits a definite conclusion.…”

Section: Introductionmentioning

confidence: 99%

Accessing the gluon Sivers function at a future electron-ion collider

et al. 2018

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In this work, we present a systematic study on the feasibility of probing the largely unexplored transverse momentum dependent gluon Sivers function (GSF) in open charm production, high pT charged di-hadron and di-jet production at a future high energy, high luminosity Electron-Ion Collider (EIC). The Sivers function is a measure for the anisotropy of the parton distributions in momentum space inside a transversely polarized nucleon. It is proposed that it can be studied through single spin asymmetries in the photon-gluon fusion subprocess in electron proton collisions at the EIC. Using a well tuned Monte Carlo model for deep inelastic scattering, we estimate the possible constraints of the GSF from the future EIC data. A comparison of all the accessible measurements illustrates that the di-jet channel is the most promising way to constrain the magnitude of the GSF over a wide kinematic range.

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Section: Introductionmentioning

confidence: 99%

Accessing the gluon Sivers function at a future electron-ion collider

et al. 2018

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“…Introduction-There have been multiple efforts to understand the origin of the nucleon spin structure since the discovery of the spin anomaly by the European Muon Collaboration [2]. Colliders with polarized beams play an important role in the precision experiments to explain the proton spin structure [3]- [4] and also are important topics in accelerator physics. In this paper, we report the first measurement of driven coherent spin motion in a high energy collider.…”

Section: Measurement Of the Spin Tunementioning

confidence: 99%

Measurement of the Spin Tune Using the Coherent Spin Motion of Polarized Protons in a Storage Ring

et al. 2019

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This paper reports the first spin tune measurement at high energies (24 GeV and 255 GeV) with a driven coherent spin motion. To maintain polarization in a polarized proton collider, it is important to know the spin tune of the polarized proton beam, which is defined as the number of full spin precessions per revolution. A nine-magnet spin flipper has demonstrated high spin-flip efficiency in the presence of two Siberian snakes [1]. The spin flipper drives a spin resonance with a given frequency (or tune) and strength. When the drive tune is close to the spin tune, the proton spin direction is not vertical anymore, but precesses around the vertical direction. By measuring the precession frequency of the horizontal component the spin tune can be precisely measured. A driven coherent spin motion and fast turn-by-turn polarization measurement are keys to the measurement. The vertical spin direction is restored after turning the spin flipper off and the polarization value is not affected by the measurement. The fact that this manipulation preserves the polarization makes it possible to measure the spin tune during operation of a high energy accelerator.

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“…For instance, Fig. 4 shows the projected statistical precision with ALICE in fixed-target mode for J/ψ A N , compared to existing measurements [17,18] and theoretical predictions [21].…”

Section: D Structure Of the Nucleonmentioning

confidence: 99%

“…J/ψ A N projected precision with the ALICE detector compared to existing measurements[17,18].the opportunity to constrain even less known transverse-momentum distributions, such as h q 1 , h ⊥q 1 and h ⊥q 1T , which encode other quark-hadron momentum-spin correlations, and which are indirectly related to the quark orbital angular momentum.…”

mentioning

confidence: 99%

Spin Physics with a fixed-target experiment at the LHC

Echevarría¹,

Brodsky²,

Cavoto³

et al. 2019

Proceedings of 23rd International Spin Physics Symposium — PoS(SPIN2018)

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The multi-TeV proton and ion beams of the LHC would allow for the most energetic fixed-target experiment ever. In particular, pp, pd and pA collisions could be performed at √ s NN = 115 GeV, as well as Pbp and PbA collisions at √ s NN = 72 GeV, in a parasitic way by making use of the already existing LHCb and ALICE detectors in fixed-target mode. This would offer the possibility to carry out a ground-breaking physics program, to study the nucleon and nuclear structure at high x, the spin content of the nucleon and the phases of the nuclear matter from a new rapidity viewpoint. In this talk I focus on the spin physics axis of the full program developed so far by the AFTER@LHC study group.

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Erratum: Measurement of transverse single-spin asymmetries forJ/ψproduction in polarizedp+pcollisions ats

Cited by 21 publications

References 0 publications

Accessing the gluon Sivers function at a future electron-ion collider

Accessing the gluon Sivers function at a future electron-ion collider

Measurement of the Spin Tune Using the Coherent Spin Motion of Polarized Protons in a Storage Ring

Spin Physics with a fixed-target experiment at the LHC

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