http://www.scientificamerican.com/article/proton-spin-mystery-gains-a-new-clue1/#comment-A52F7368-F76B-442D-85060A12C0DE6C57
Title-:The spin content of the proton when revisited did gave a zero rest mass particle at Gev at first moment of Big Bang and higg’s particles and which particle first gave the spin movement in the sub atomic particles and in the universe? was it Gluon?
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*Professor Pranab Kumar Bhattacharya MD( university of Calcutta), FIC Path(India), Professor and Head, Dept. of Pathology, [Member of Board of Studies(BOS) for undergraduate and post graduate courses in Pathology of West Bengal University of Health Sciences[WBUHS], Salt Lake city, Sector -1, Kolkata-64, West Bengal], Convener of Diploma Clinical Pathology course & Member Secretary BOS for DCP of WBUHS and DLT course School of Tropical Medicine ;108 C.R Avenue Kolkata-73; West Bengal; India ; *Miss Upasana Bhattacharya **Rupak Bhattacharya B.Sc(cal.univ),M.Sc(JU);**Ritwik Bhattacharya B.com(cal univ); **Soumyak Bhattacharya BSC HHA(IGNOU], MSC HM from PUSHA, New Delhi,India;** Rupsa Bhattacharya of residence 7/51 Purbapalli, Sodepur, Kol-110 West Bengal India; ***Dalia Mukherjee BA(hons) Calcutta Univ, ***Miss Oaindrila Mukherjee BSc HHA(IGNOU),*** Mr Debasis Mukherjee BSC(cal.Univ) of residence Swamijinagar, Habra .
The mass of any sub atomic particle depends on the spins and differences of the mass in those particles are due to spin asymmetry. Asymmetry is also found in the universe. There were many studies to determine the mass of subatomic particles like COMPASS, PHENIX, STAR, and lastly RHIC Studies . STAR collaboration had recently presented results for both the AW±L and AW±LL asymmetries, based on L = 9 pb−1 of √s = 500 GeV data from the 2010 and L = 77 pb−1 of data at √s = 510 GeV from the 2011run in accelerator [.L. Adamczyk et al., (2014), 1404.6880.] What is the purpose of all these studies? To find out whether really Zero mass particle at Planck’s moment of the big bang persisted! Where from the mass came in this universe? Who gave then mass? Other purposes of experiments at RHIC, STAR and PHENIX, are whether there was asymmetry in the universe even at subatomic level? And measurements of longitudinal double-spin asymmetry for inclusive jet production, in quarks ( u+,d+ s+c+) anti-quarks( u-,d- s-c-) and gluons (g+ and g-). Gluons holds as strong binding forces between the 6 types quarks in the proton. Are Gluons mass less when it has a spin-1? Did it started the spin movement ? Pp collisions in colider produces all these subatomic particles including W+_ boson particles, quark anti-quarks separations pions and gluon particles. Future higher accelerators, such as a high-energy polarized Electron-Ion Collider (EIC) or a neutrino factory may give significantly the coverage of the smal-x regime and improve knowledge of the first moments of polarized particles and how the spin came. what is the goal of the land mark paper by Emanuele R. Nocera, RichardD. Ball, Stefano Forte, Giovanni Ridolfi and Juan Rojo et al is to see uncertainty and asymmetry in the sub atomic particles with mass measurement reweighing we think by High PpTet production
Bayesian Reweighting method did not allowed for a separation between quark and anti quark parton distributions, u+, d+, s+ and g-, with u and d- with the uncertainties When open-charm production was polarized directly probed the gluon distribution because at leading-order this process proceeds through photon-gluon fusion (PGF), γ_g → c¯c, followed by the fragmentation of the charm quarks into charmed mesons, typically D0 mesons and photon-nucleon asymmetry and was spin dependent which was also detected in The COMPASS(D,P&OC) study by the scattering of muons depending on the D0 decay mode used to reconstruct the charmed hadron in the final state: D0 → K−π+, D0 → K−π+π0 or D0 → K−π+π+π−. And COMPASS data have very large uncertainties on the scale of the gluon PDF uncertainty, Did The spin content of the proton when revisited did gave a zero rest mass particle at Gev at first moment of Big Bang and higg’s particles( higgs particles are not a single particle but combinations of higgs like particles) gave that very zero rest mass particles to add mass. And Higgs particles do have mass, The search covers in LHC experiment also Higgs particles mass (hypotheses sayed mass in the range 110 < mH < 600GeV) and also seen in pp collisions at ps = 7 TeV from the LHC. and spin and then which particle first gave the spin movement in the sub atomic particles and in the universe? The standard model (SM) of electroweak interactions [1–3] relies on a scalar particle, the Higgsboson, associated with the field responsible for the spontaneous electroweak symmetry breaking
see the comment post in others
1] In Physics World- comment no 13 please click on link
2] in Huuffington Science Posts Article _Atom Smasher Sheds New Light On Proton Spin Mystery
http://www.huffingtonpost.com/2014/07/21/proton-spin-mystery-new-clue_n_5605447.html?ir=Science&utm_campaign=072114&utm_medium=email&utm_source=Alert-science&utm_content=Title
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