Baryon and antibaryon production in lead-lead collisions at

Ambrosini, G.; Arsenescu, R.; Baglin, C.; Beringer, J.; Böhm, C.; Borer, K.; Bussiére, A.; Dittus, F.; Elsener, K.; Frei, D.; Gorodetzky, P.; Guillaud, J.P.; Hess, P. O.; Hugentobler, E.; Kabana, S.; Klingenberg, R.; Lindén, T.; Lohmann, K D; Mommsen, R. K.; Moser, U.; Pal, T.; Pretzl, K.; Schacher, J.; Selldén, B.; Stoffel, F.; Tuominiemi, J.; Weber, M.; Zhang, Q. P.

doi:10.1016/s0370-2693(97)01383-x

Cited by 36 publications

(26 citation statements)

References 34 publications

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“…Table 1 shows a summary of the data taking for the 3 He search. In 1998 a significant increase of the statistics was achieved compared to data from 1994 and 1995 published in [10]. We found a total of two 3 He at a rigidity of −20 GeV/c and three at −40 GeV/c.…”

Section: Experimental Methodsmentioning

confidence: 63%

“…from [10] we obtain a ratio of ( 3 He/ 3 He) Pb−Pb = (1.4 ± 1.1) × 10 −3 in minimum bias Pb-Pb collisions. In minimum bias p-Be collisions this ratio is ( 3 He/ 3 He) p−Be = (11 ± 7) × 10 −3 [27], scaled down from 220 to 158 GeV/c using the √ s dependence of thep/p ratio in p-p collisions [28] between 220 and 158 GeV/c.…”

Section: 8mentioning

confidence: 75%

“…The NA52 experiment measured particle and antiparticle yields at 0 • production angle over a wide range in rapidity in Pb-Pb collisions at 158 A GeV/c [10]- [12]. It used the H6 beamline in the north area of the CERN-SPS as a single-particle, double-bend focusing spectrometer.…”

Section: Experimental Methodsmentioning

confidence: 99%

“…In figure 8 the 3 He cross sections are shown as a function of rapidity y. Previously published p andd cross sections [10] are also shown in the figure. The measured points are mirrored at the centre of mass rapidity.…”

Section: 8mentioning

confidence: 97%

“…NA52 has also measured 3 He production in Pb + Pb collisions [10]. The ratio of 3 He to 3 He production cross sections in Pb-Pb collisions from NA52 can be compared to that in p-Be collisions, measured at zero degree production angle with a small acceptance focusing spectrometer [27].…”

Section: 8mentioning

confidence: 99%

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Antihelium-3 production in lead-lead collisions at 158AGeV/c

et al. 2003

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Abstract. The NA52 experiment measured particle and antiparticle yields at 0 • production angle over a wide range in rapidity in lead-lead (Pb-Pb) collisions at 158 A GeV/c with a minimum bias trigger. Besides O(10 6 ) antiprotons (p) and O(10 3 ) antideuterons (d) a total of five antihelium-3 ( 3 He) were found. The resulting invariant differential 3 He production cross sections at p t 0 GeV/c turn out to be E d 3 σ dp 3 = (2.5 ± 1.8) × 10 −7 bc 3 GeV −2 at a rapidity of y = 3.4 in the laboratory system and (5.9 ± 3.4) × 10 −8 bc 3 GeV −2 at y = 4.0. The results are discussed in the framework of a simple coalescence model.

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Section: Experimental Methodsmentioning

confidence: 63%

Section: 8mentioning

confidence: 75%

Section: Experimental Methodsmentioning

confidence: 99%

Section: 8mentioning

confidence: 97%

Section: 8mentioning

confidence: 99%

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Antihelium-3 production in lead-lead collisions at 158AGeV/c

et al. 2003

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Loosely-bound objects produced in nuclear collisions at the LHC

2019

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Loosely-bound objects such as light nuclei are copiously produced in proton-proton and nuclear collisions at the Large Hadron Collider (LHC), despite the fact that typical energy scales in such collisions exceed the binding energy of the objects by orders of magnitude. In this review we summarise the experimental observations, put them into context of previous studies at lower energies, and discuss the underlying physics. Most of the data discussed here were taken by the ALICE Collaboration during LHC Run1, which started in 2009 and ended in 2013. Specifically we focus on the production of (anti-)nuclei and (anti-)hypernuclei. Also included are searches for exotic objects like the H-dibaryon, a possible uuddss hexaquark state, or also a possible bound state of a Λ hyperon and a neutron. Furthermore, the study of hyperon-nucleon and hyperonhyperon interactions through measurements of correlations are briefly discussed, especially in connection with the possible existence of loosely-bound states composed of these baryons. In addition, some results in the strange and charmed hadron sector are presented, to show the capabilities for future measurements on loosely-bound objects in this direction. Finally, perspectives are given for measurements in the currently ongoing Run2 period of the LHC and in the future LHC Run3.

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Multiplicity scaling of light nuclei production in relativistic heavy-ion collisions

Zhao

Sun

et al. 2021

Physics Letters B

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Baryon and antibaryon production in lead-lead collisions at

Cited by 36 publications

References 34 publications

Antihelium-3 production in lead-lead collisions at 158AGeV/c

Antihelium-3 production in lead-lead collisions at 158AGeV/c

Loosely-bound objects produced in nuclear collisions at the LHC

Multiplicity scaling of light nuclei production in relativistic heavy-ion collisions

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