Example #1
0
def make_py():

    #Pythia6 total cross section
    sigma_py = 54.700142803416348  # micro barn
    infile = "../data/lmon_py_18x275_Q2all_beff2_5Mevt.root"

    lqbin = 0.2
    lqmin = -11
    lqmax = 5

    inp = TFile.Open(infile)
    tree = inp.Get("DetectorTree")

    #can = ut.box_canvas()

    hQ2 = ut.prepare_TH1D("hQ2", lqbin, lqmin, lqmax)

    tree.Draw("TMath::Log10(true_Q2) >> hQ2")

    ut.norm_to_integral(hQ2, sigma_py)

    gPy = ut.h1_to_graph(hQ2)
    gPy.SetLineColor(rt.kRed)
    gPy.SetLineWidth(3)
    gPy.SetLineStyle(rt.kDashed)

    return gPy

    #print hQ2.Integral("width")

    hQ2.Draw()

    ut.invert_col(rt.gPad)
    can.SaveAs("01fig.pdf")
Example #2
0
def make_qr_5x41():

    #quasi-real total cross section for 5x41 beams

    sigma_qr = 65.0648514567  # micro barn
    infile = "../../lgen/data/lgen_5x41_qr_Qe_5Mevt.root"

    lqbin = 0.2
    lqmin = -11
    lqmax = 5

    inp = TFile.Open(infile)
    tree = inp.Get("ltree")

    hQ2 = ut.prepare_TH1D("hQ2", lqbin, lqmin, lqmax)

    tree.Draw("TMath::Log10(true_Q2) >> hQ2")

    ut.norm_to_integral(hQ2, sigma_qr)

    gQr = ut.h1_to_graph(hQ2)
    gQr.SetLineColor(rt.kBlue)
    gQr.SetLineWidth(3)

    return gQr
Example #3
0
def make_qr():

    #quasi-real total cross section
    #sigma_qr = 53.839868617 # micro barn
    #infile = "../data/lmon_18x275_qr_Qd_beff2_5Mevt.root"
    sigma_qr = 55.1027755249  # micro barn
    infile = "../../lgen/data/lgen_18x275_qr_Qe_beff2_5Mevt.root"

    lqbin = 0.2
    lqmin = -11
    lqmax = 5

    inp = TFile.Open(infile)
    #tree = inp.Get("DetectorTree")
    tree = inp.Get("ltree")

    #can = ut.box_canvas()

    hQ2 = ut.prepare_TH1D("hQ2", lqbin, lqmin, lqmax)

    tree.Draw("TMath::Log10(true_Q2) >> hQ2")

    ut.norm_to_integral(hQ2, sigma_qr)

    gQr = ut.h1_to_graph(hQ2)
    gQr.SetLineColor(rt.kRed)
    gQr.SetLineWidth(3)

    return gQr

    hQ2.Draw()

    ut.invert_col(rt.gPad)
    can.SaveAs("01fig.pdf")
Example #4
0
def make_sigma_2(inp, plot, xbin, xmin, xmax, sigma, tnam="ltree"):

    #cross section in two binning intervals from the tree

    infile = TFile.Open(inp)
    tree = infile.Get(tnam)

    #point to start longer bins
    xmid = 1
    bin2 = xbin * 10.  #  4.

    hx = ut.prepare_TH1D_vec("hx",
                             ut.get_bins_vec_2pt(xbin, bin2, xmin, xmax, xmid))

    tree.Draw(plot + " >> hx")

    #normalize to the width of each bin, necessary for variable binning
    for ibin in range(hx.GetNbinsX() + 1):
        hx.SetBinContent(ibin, hx.GetBinContent(ibin) / hx.GetBinWidth(ibin))

    ut.norm_to_integral(hx, sigma)

    gx = ut.h1_to_graph(hx)
    gx.SetLineWidth(3)

    return gx
Example #5
0
def make_qr_10x100():

    #quasi-real total cross section for 10x100 beams

    sigma_qr = 56.3121075698  # micro barn
    infile = "../../lgen/data/lgen_10x100_qr_Qe_5Mevt.root"

    lqbin = 0.2
    lqmin = -11
    lqmax = 5

    inp = TFile.Open(infile)
    tree = inp.Get("ltree")

    hQ2 = ut.prepare_TH1D("hQ2", lqbin, lqmin, lqmax)

    tree.Draw("TMath::Log10(true_Q2) >> hQ2")

    ut.norm_to_integral(hQ2, sigma_qr)

    gQr = ut.h1_to_graph(hQ2)
    gQr.SetLineColor(rt.kYellow + 1)
    gQr.SetLineWidth(3)

    return gQr
Example #6
0
def get_en(infile, ebin=0.5):

    emax = 100.

    inp_lmon = TFile.Open(infile)
    tree = inp_lmon.Get("bunch")

    hE = ut.prepare_TH1D("hE", ebin, 0, emax)
    #tree.Draw("bun_up_en+bun_down_en >> hE", "(bun_up_en>1)&&(bun_down_en>1)", "", 1000)
    tree.Draw("bun_up_en+bun_down_en >> hE", "(bun_up_en>1)&&(bun_down_en>1)")
    ut.norm_to_integral(hE, 1.)

    return ut.h1_to_arrays(hE)
Example #7
0
def lq_rec():

    #spectrum of reconstructed log_10(Q^2)

    #infile = "/home/jaroslav/sim/lmon/data/taggers/tag1a/Q2rec_s1.root"
    #infile = "/home/jaroslav/sim/lmon/data/taggers/tag1a/Q2rec_s2.root"
    #infile = "/home/jaroslav/sim/lmon/data/taggers/tag1ax1/Q2rec_s1.root"
    #infile = "/home/jaroslav/sim/lmon/data/taggers/tag1ax1/Q2rec_s2.root"
    #infile = "/home/jaroslav/sim/lmon/data/luminosity/lm2ax2/Q2rec_s1.root"
    infile = "/home/jaroslav/sim/lmon/data/luminosity/lm2ax2/Q2rec_s2.root"

    #range along x in log_10(Q^2) (GeV^2)
    xmin = -10
    xmax = -1
    xbin = 0.1

    inp = TFile.Open(infile)
    tree = inp.Get("Q2rec")

    hx = ut.prepare_TH1D("hx", xbin, xmin, xmax)
    tree.Draw("rec_lq >> hx")
    ut.norm_to_integral(hx, 1)

    xp, yp = ut.h1_to_arrays(hx)

    #plot
    plt.style.use("dark_background")
    col = "lime"
    #col = "black"

    fig = plt.figure()
    fig.set_size_inches(5, 5)
    ax = fig.add_subplot(1, 1, 1)
    set_axes_color(ax, col)
    set_grid(plt, col)

    plt.plot(xp, yp, "-", color="blue", lw=1)

    ax.set_xlabel("lQ2 (GeV2)")
    ax.set_ylabel("Normalized counts")

    ax.set_yscale("log")

    #plt.xticks(ax.get_xticks()[1:-1], ["$10^{"+"{0:.0f}".format(i+6)+"}$" for i in ax.get_xticks()[1:-1]])

    fig.savefig("01fig.pdf", bbox_inches="tight")
    plt.close()
Example #8
0
def loat_flat_pt2():

    bgen = TFile.Open(
        "/home/jaroslav/sim/bgen_tx/bgen_pTsq0p14_eta1p2_6Mevt.root")
    bgen_tree = bgen.Get("bgen_tree")

    hFlat = ut.prepare_TH1D("hFlat", 0.002, 0., 0.12)
    bgen_tree.Draw("pT2rec >> hFlat")

    ut.norm_to_integral(hFlat, 0.025)  # norm to Starlight

    gFlat = ut.h1_to_graph(hFlat)

    gFlat.SetLineColor(rt.kViolet)
    gFlat.SetLineWidth(3)
    gFlat.SetLineStyle(rt.kDashed)

    return gFlat
Example #9
0
def make_sigma(inp, plot, xbin, xmin, xmax, sigma, tnam="ltree"):

    #cross section plot from the tree

    infile = TFile.Open(inp)
    tree = infile.Get(tnam)

    hx = ut.prepare_TH1D("hx", xbin, xmin, xmax)

    tree.Draw(plot + " >> hx")

    ut.norm_to_integral(hx, sigma)

    #gx = ut.h1_to_graph(hx)
    gx = ut.h1_to_graph_nz(hx)
    gx.SetLineWidth(3)

    return gx
Example #10
0
def make_sigma(inp, sigma):

    lqbin = 0.2
    lqmin = -11
    lqmax = 5

    infile = TFile.Open(inp)
    tree = infile.Get("ltree")

    hx = ut.prepare_TH1D("hx", lqbin, lqmin, lqmax)

    tree.Draw("TMath::Log10(true_Q2) >> hx")

    ut.norm_to_integral(hx, sigma)

    gx = ut.h1_to_graph(hx)
    #gx.SetLineColor(rt.kYellow+1)
    gx.SetLineWidth(3)

    return gx
Example #11
0
def load_sartre():

    sartre = TFile.Open(
        "/home/jaroslav/sim/sartre_tx/sartre_AuAu_200GeV_Jpsi_coh_2p7Mevt.root"
    )
    sartre_tree = sartre.Get("sartre_tree")

    hSartre = ut.prepare_TH1D("hSartre", 0.002, 0., 0.12)
    sartre_tree.Draw("-tval >> hSartre", "rapidity>-1 && rapidity<1")

    ut.norm_to_integral(hSartre, 0.025)  # now same as Starlight

    gSartre = TGraphErrors(hSartre.GetNbinsX())
    for ibin in xrange(1, hSartre.GetNbinsX() + 1):
        gSartre.SetPoint(ibin - 1, hSartre.GetBinCenter(ibin),
                         hSartre.GetBinContent(ibin))

    gSartre.SetLineColor(rt.kYellow + 1)
    gSartre.SetLineWidth(3)
    #gSartre.SetLineStyle(rt.kDashDotted)

    return gSartre
Example #12
0
def load_starlight(dy):

    slight = TFile.Open(
        "/home/jaroslav/sim/starlight_tx/slight_AuAu_200GeV_Jpsi_coh_intmax0p34_6Mevt.root"
    )
    slight_tree = slight.Get("slight_tree")

    #hSlight = ut.prepare_TH1D("hSlight", 0.002, 0., 0.12)
    hSlight = ut.prepare_TH1D_vec(
        "hSlight", ut.get_bins_vec_2pt(0.0002, 0.002, 0, 0.12, 0.004))

    nall = float(slight_tree.GetEntries())
    ny = float(
        slight_tree.Draw("pT*pT >> hSlight", "rapidity>-1 && rapidity<1"))

    #normalize to the width of each bin, necessary for variable binning
    for ibin in xrange(hSlight.GetNbinsX() + 1):
        hSlight.SetBinContent(
            ibin,
            hSlight.GetBinContent(ibin) / hSlight.GetBinWidth(ibin))

    sigma_sl_tot = 67.958  # total Starlight cross section, ub
    sigma_sl = (ny / nall) * sigma_sl_tot / 1000.  # ub to mb
    sigma_sl = sigma_sl / dy  # rapidity interval
    print "sigma_sl:", sigma_sl

    #normalize to Starlight total cross section
    ut.norm_to_integral(hSlight, sigma_sl)

    #convert to graph
    gSlight = ut.h1_to_graph(hSlight)

    gSlight.SetLineColor(rt.kBlue)
    gSlight.SetLineWidth(3)
    gSlight.SetLineStyle(9)  # kDashDotted

    return gSlight
Example #13
0
def xres():

    #position resolution

    #mm
    xmin = -20
    xmax = 20
    xbin = 2

    infile = "bpc.root"
    inp = TFile.Open(infile)
    tree = inp.Get("bpc")

    hx = ut.prepare_TH1D("hx", xbin, xmin, xmax)
    tree.Draw("xrec >> hx")
    ut.norm_to_integral(hx, 1)

    xp, yp = ut.h1_to_arrays(hx)

    #Gaussian fit
    cen = []
    val = []
    for i in range(1, hx.GetNbinsX()+1):
        cen.append( hx.GetBinCenter(i) )
        val.append( hx.GetBinContent(i) )

    pars, cov = curve_fit(lambda x, mu, sig : norm.pdf(x, loc=mu, scale=sig), cen, val)

    #print(cen, val)

    #fit function
    x = np.linspace(cen[0], cen[-1], 300)
    y = norm.pdf(x, pars[0], pars[1])

    #plot
    plt.style.use("dark_background")
    col = "lime"
    #col = "black"

    fig = plt.figure()
    fig.set_size_inches(5, 5)
    ax = fig.add_subplot(1, 1, 1)
    set_axes_color(ax, col)
    set_grid(plt, col)

    plt.plot(xp, yp, "-", color="blue", lw=1)
    plt.plot(x, y, "-", color="red", lw=1)

    ax.set_xlabel("x (mm)")
    ax.set_ylabel("counts")

    #ax.set_yscale("log")

    leg = legend()
    leg.add_entry(leg_lin("red"), "Gaussian fit")
    leg.add_entry(leg_txt(), "mean: {0:.3f}".format(pars[0]))
    leg.add_entry(leg_txt(), "sigma: {0:.3f}".format(pars[1]))
    leg.draw(plt, col)

    fig.savefig("01fig.pdf", bbox_inches = "tight")
    plt.close()
Example #14
0
def lq_compare():

    #input, color, rate in MHz by taggers/hit_rate.py
    #Tagger 1
    inp_s1 = [\
        {"in": "/home/jaroslav/sim/lmon/data/luminosity/lm2ax2/Q2rec_s1.root", "col": "red", "rate": 19.1405, "lab": "Bremsstrahlung"}, \
        {"in": "/home/jaroslav/sim/lmon/data/taggers/tag1a/Q2rec_s1.root", "col": "blue", "rate": 0.002905, "lab": "Quasi-real"}, \
        {"in": "/home/jaroslav/sim/lmon/data/taggers/tag1ax1/Q2rec_s1.root", "col": "orange", "rate": 0.004053, "lab": "Pythia6"} \
    ]
    #Tagger 2
    inp_s2 = [\
        {"in": "/home/jaroslav/sim/lmon/data/luminosity/lm2ax2/Q2rec_s2.root", "col": "red", "rate": 22.0011, "lab": "Bremsstrahlung"}, \
        {"in": "/home/jaroslav/sim/lmon/data/taggers/tag1a/Q2rec_s2.root", "col": "blue", "rate": 0.005642, "lab": "Quasi-real"}, \
        {"in": "/home/jaroslav/sim/lmon/data/taggers/tag1ax1/Q2rec_s2.root", "col": "orange", "rate": 0.008656, "lab": "Pythia6"} \
    ]

    #tnam = "Tagger 1"
    #inp = inp_s1

    tnam = "Tagger 2"
    inp = inp_s2

    #range along x in log_10(Q^2) (GeV^2)
    xmin = -10
    xmax = -1
    xbin = 0.1

    #plot
    #plt.style.use("dark_background")
    #col = "lime"
    col = "black"

    fig = plt.figure()
    fig.set_size_inches(5, 5)
    ax = fig.add_subplot(1, 1, 1)
    set_axes_color(ax, col)
    set_grid(plt, col)

    leg = legend()
    leg.add_entry(leg_txt(), tnam)

    #inputs loop
    for i in inp:

        infile = TFile.Open(i["in"])
        tree = infile.Get("Q2rec")

        hx = ut.prepare_TH1D("hx_" + i["col"], xbin, xmin, xmax)
        tree.Draw("rec_lq >> hx_" + i["col"])
        ut.norm_to_integral(hx, i["rate"])

        xp, yp = ut.h1_to_arrays(hx)
        leg.add_entry(leg_lin(i["col"]), i["lab"])

        plt.plot(xp, yp, "-", color=i["col"], lw=1)

    ax.set_xlabel("Reconstructed log$_{10}(Q^2)$ (GeV$^2$)")
    ax.set_ylabel("Counts normalized to event rate in MHz")

    ax.set_yscale("log")

    #plt.xticks(ax.get_xticks()[1:-1], ["$10^{"+"{0:.0f}".format(i+6)+"}$" for i in ax.get_xticks()[1:-1]])

    leg.draw(plt, col)

    fig.savefig("01fig.pdf", bbox_inches="tight")
    plt.close()