100949

Events: 29,337,502

< 100948 100950 >

Start 2022-07-07 23:35:31 End 2022-07-08 00:34:11 Length 0:58:40

Files

/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/daq/cool/hdops/ddb/run-log/hdops/current_run.log
/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/daq/config/hd_all/FCAL_BCAL_PS_CPP_m9.conf

All conditions

Name	Value
beam_current	3.68866
beam_energy	11545.8
beam_on_current	31.4018
cdc_fadc125_mode	3
cdc_gas_pressure	100.104
coherent_peak	-1.0
collimator_diameter	3.4mm hole
component_stats	{"SEB0": {"evt-number": 29336601, "max-evt-size": 488868.0, "average-evt-size": 171458.0, "data-rate": 10800.242663305286, "min-evt-size": 169364.0, "evt-rate": 1803.6052}, "ROCFDC6": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 262.9760007364263, "min-evt-size": 0.0, "evt-rate": 45.129185}, "ROCFCAL5": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 61.19274871333535, "min-evt-size": 0.0, "evt-rate": 45.11662}, "ROCCDC2": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 144.00206726218994, "min-evt-size": 0.0, "evt-rate": 45.12384}, "ROCTOF2": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": -453.4885071141514, "min-evt-size": 0.0, "evt-rate": 45.124626}, "ROCPS2": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 436.78316996640785, "min-evt-size": 0.0, "evt-rate": 45.12268}, "DCFCAL": {"evt-number": 29336601, "max-evt-size": 103192.0, "average-evt-size": 8795.0, "data-rate": 537.826251415662, "min-evt-size": 8696.0, "evt-rate": 1804.1143}, "ERsoftROC": {"evt-number": 29337502, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 10797.393613676108, "min-evt-size": 0.0, "evt-rate": 1803.1775}, "ROCFDC13": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 476.3967732902751, "min-evt-size": 0.0, "evt-rate": 45.125687}, "ROCBCAL11": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 61.53218487137483, "min-evt-size": 0.0, "evt-rate": 45.123497}, "ROCFDC10": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 267.86007900931025, "min-evt-size": 0.0, "evt-rate": 45.126247}, "ROCFDC7": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 269.07838600358406, "min-evt-size": 0.0, "evt-rate": 45.127865}, "ROCCDC3": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 148.87423344649616, "min-evt-size": 0.0, "evt-rate": 45.12823}, "TSG": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 44.24531776380882, "min-evt-size": 0.0, "evt-rate": 45.14447}, "ROCBCAL13": {"evt-number": 0, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 0.0, "min-evt-size": 0.0, "evt-rate": 0.0}, "ROCBCAL14": {"evt-number": 0, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 0.0, "min-evt-size": 0.0, "evt-rate": 0.0}, "ROCFDC11": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 269.59604927308334, "min-evt-size": 0.0, "evt-rate": 45.12825}, "ROCFCAL10": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 58.5297615085613, "min-evt-size": 0.0, "evt-rate": 45.1177}, "ROCBCAL6": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 416.2282877685074, "min-evt-size": 0.0, "evt-rate": 45.13202}, "ROCFDC2": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 279.55731811300143, "min-evt-size": 0.0, "evt-rate": 45.12588}, "ROCFCAL4": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 54.36290742215597, "min-evt-size": 0.0, "evt-rate": 45.115326}, "ROCFDC1": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": -487.0254916731205, "min-evt-size": 0.0, "evt-rate": 45.129494}, "ROCBCAL9": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 415.72114653044974, "min-evt-size": 0.0, "evt-rate": 45.127903}, "ROCFCAL9": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 54.90664901652093, "min-evt-size": 0.0, "evt-rate": 45.11879}, "ROCFCAL1": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 56.91328583418913, "min-evt-size": 0.0, "evt-rate": 45.120045}, "ROCFCAL8": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 66.76210278775687, "min-evt-size": 0.0, "evt-rate": 45.12143}, "ROCFCAL3": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 55.10156485250994, "min-evt-size": 0.0, "evt-rate": 45.11682}, "ROCBCAL1": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 55.93491987004693, "min-evt-size": 0.0, "evt-rate": 45.118217}, "ROCFCAL7": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 53.580340608904045, "min-evt-size": 0.0, "evt-rate": 45.122425}, "ROCBCAL4": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 56.55707400266031, "min-evt-size": 0.0, "evt-rate": 45.12285}, "ROCPS1": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": -486.02449298278066, "min-evt-size": 0.0, "evt-rate": 45.117928}, "ROCFDC4": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 476.0800757291189, "min-evt-size": 0.0, "evt-rate": 45.12583}, "ROCFMWPC1": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 218.91768291801225, "min-evt-size": 0.0, "evt-rate": 45.128223}, "ROCFDC12": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 283.9468980847482, "min-evt-size": 0.0, "evt-rate": 45.121838}, "ROCBCAL15": {"evt-number": 0, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 0.0, "min-evt-size": 0.0, "evt-rate": 0.0}, "ROCFCAL11": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 62.13617385173532, "min-evt-size": 0.0, "evt-rate": 45.121265}, "ROCFCAL6": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 53.968610894230906, "min-evt-size": 0.0, "evt-rate": 45.120758}, "ROCTOF3": {"evt-number": 0, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 0.0, "min-evt-size": 0.0, "evt-rate": 0.0}, "ROCBCAL3": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 407.13696303909614, "min-evt-size": 0.0, "evt-rate": 45.12975}, "ROCTAGH2": {"evt-number": 0, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 0.0, "min-evt-size": 0.0, "evt-rate": 0.0}, "ROCFDC14": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 484.1692747524248, "min-evt-size": 0.0, "evt-rate": 45.133472}, "ROCTOF1": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 216.83177784909063, "min-evt-size": 0.0, "evt-rate": 45.122433}, "ROCBCAL12": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 416.2469162419339, "min-evt-size": 0.0, "evt-rate": 45.126087}, "DCTAG": {"evt-number": 29336601, "max-evt-size": 129600.0, "average-evt-size": 40654.0, "data-rate": 3125.086646796098, "min-evt-size": 40080.0, "evt-rate": 1804.0818}, "ROCTAGM2": {"evt-number": 0, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 0.0, "min-evt-size": 0.0, "evt-rate": 0.0}, "ROCFDC3": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 278.69958033904777, "min-evt-size": 0.0, "evt-rate": 45.127872}, "ROCFDC8": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 267.11445439950603, "min-evt-size": 0.0, "evt-rate": 45.125103}, "ROCSTPSC2": {"evt-number": 0, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 0.0, "min-evt-size": 0.0, "evt-rate": 0.0}, "ROCSTPSC1": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 131.14048809361927, "min-evt-size": 0.0, "evt-rate": 45.127094}, "ROCTRIG2": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 30.86784005544763, "min-evt-size": 0.0, "evt-rate": 45.12842}, "ROCFCAL12": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 57.04415281760458, "min-evt-size": 0.0, "evt-rate": 45.120983}, "ROCBCAL5": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 55.40194379119812, "min-evt-size": 0.0, "evt-rate": 45.118958}, "ROCTAGMH": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": -305.95944223801337, "min-evt-size": 0.0, "evt-rate": 45.128414}, "DCBCAL": {"evt-number": 29336601, "max-evt-size": 164616.0, "average-evt-size": 37229.0, "data-rate": 1952.8419061795598, "min-evt-size": 36264.0, "evt-rate": 1803.893}, "ROCTAGM1": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 234.84231895503024, "min-evt-size": 0.0, "evt-rate": 45.121857}, "DCFDC": {"evt-number": 29336601, "max-evt-size": 213340.0, "average-evt-size": 58539.0, "data-rate": 3770.5980360168123, "min-evt-size": 57740.0, "evt-rate": 1804.0137}, "ROCBCAL2": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 57.73180100671597, "min-evt-size": 0.0, "evt-rate": 45.121464}, "ROCFDC5": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 265.70273272890427, "min-evt-size": 0.0, "evt-rate": 45.126366}, "ROCCDC4": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 154.4865287571935, "min-evt-size": 0.0, "evt-rate": 45.12482}, "DCCDCSTPS": {"evt-number": 29336601, "max-evt-size": 101400.0, "average-evt-size": 22159.0, "data-rate": 1495.6868306035358, "min-evt-size": 22136.0, "evt-rate": 1803.9619}, "ROCBCAL7": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 57.086467724970326, "min-evt-size": 0.0, "evt-rate": 45.12108}, "ROCBCAL8": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 55.788394563051554, "min-evt-size": 0.0, "evt-rate": 45.123837}, "ROCTAGH1": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 350.8295955794144, "min-evt-size": 0.0, "evt-rate": 45.119736}, "ROCBCAL10": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 56.54252361274453, "min-evt-size": 0.0, "evt-rate": 45.123775}, "ROCFDC9": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 262.27992611558034, "min-evt-size": 0.0, "evt-rate": 45.12503}, "ROCBCAL16": {"evt-number": 0, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 0.0, "min-evt-size": 0.0, "evt-rate": 0.0}, "ROCFCAL2": {"evt-number": 733415, "max-evt-size": 0.0, "average-evt-size": 0.0, "data-rate": 61.25860054293414, "min-evt-size": 0.0, "evt-rate": 45.117275}}
components	{"SEB0": "SEB", "ROCFDC6": "ROC", "ROCFCAL5": "ROC", "ROCCDC2": "ROC", "ROCTOF2": "ROC", "ROCPS2": "ROC", "DCFCAL": "DC", "ERsoftROC": "ER", "ROCFDC13": "ROC", "ROCBCAL11": "ROC", "ROCFDC10": "ROC", "ROCFDC7": "ROC", "ROCCDC3": "ROC", "TSG": "TS", "ROCBCAL13": "ROC", "ROCBCAL14": "ROC", "ROCFDC11": "ROC", "ROCFCAL10": "ROC", "ROCBCAL6": "ROC", "ROCFDC2": "ROC", "ROCFCAL4": "ROC", "ROCFDC1": "ROC", "ROCBCAL9": "ROC", "ROCFCAL9": "ROC", "ROCFCAL1": "ROC", "ROCFCAL8": "ROC", "ROCFCAL3": "ROC", "ROCBCAL1": "ROC", "ROCFCAL7": "ROC", "ROCBCAL4": "ROC", "ROCPS1": "ROC", "ROCFDC4": "ROC", "ROCFMWPC1": "ROC", "ROCFDC12": "ROC", "ROCBCAL15": "ROC", "ROCFCAL11": "ROC", "ROCFCAL6": "ROC", "ROCTOF3": "ROC", "ROCBCAL3": "ROC", "ROCTAGH2": "ROC", "ROCFDC14": "ROC", "ROCTOF1": "ROC", "ROCBCAL12": "ROC", "DCTAG": "DC", "ROCTAGM2": "ROC", "ROCFDC3": "ROC", "ROCFDC8": "ROC", "ROCSTPSC2": "ROC", "ROCSTPSC1": "ROC", "ROCTRIG2": "ROC", "ROCFCAL12": "ROC", "ROCBCAL5": "ROC", "ROCTAGMH": "ROC", "DCBCAL": "DC", "ROCTAGM1": "ROC", "DCFDC": "DC", "ROCBCAL2": "ROC", "ROCFDC5": "ROC", "ROCCDC4": "ROC", "DCCDCSTPS": "DC", "ROCBCAL7": "ROC", "ROCBCAL8": "ROC", "ROCTAGH1": "ROC", "ROCBCAL10": "ROC", "ROCFDC9": "ROC", "ROCBCAL16": "ROC", "ROCFCAL2": "ROC"}
daq_blocks	40
daq_calib	default
daq_config	FCAL_BCAL_PS_CPP_m9.conf
daq_mode	short
daq_run	PHYSICS_CPP
daq_setup	hd_all.tsg_CPP
daq_trigger	FCAL_BCAL_PS_CPP_m9.conf
event_count	29337502
evio_files_count	9
evio_last_file	/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/DATA/hd_rawdata_100949_008.evio
halfwave_plate	IN
is_valid_run_end	True
polarimeter_converter	Be 750um
polarization_angle	-1.0
polarization_direction	N/A
ps_converter	Retracted
radiator_id	0
radiator_index	3
radiator_type	4.5x10-4 Al 40um
rtvs	{"%(CODA_ROL1)": "/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/daq/vme/src/rol_1", "%(OUT_FILE)": "/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/DATA", "%(CODA_ROL2)": "/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/daq/vme/src/rol_2", "%(DAQ_HOME)": "/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/daq", "%(rcdb)": "/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/daq/rcdb", "%(udl)": "cMsg://gluon41.jlab.org:45000/cMsg/hdops?cmsgpassword=hdops", "%(config)": "/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/daq/config/hd_all/FCAL_BCAL_PS_CPP_m9.conf", "%(OUT_FILE1)": "/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/DATA1", "%(CODA_ROLMC)": "/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/daq/vme/src/rol_mc", "%(rn)": "0", "%(CODA_ROL)": "/gluondaqfs/hdops/CDAQ/daq_dev_v0.31/daq/vme/src/rol_hd"}
run_config	FCAL_BCAL_PS_CPP_m9.conf
run_end_time	2022-07-08 00:34:11
run_start_time	2022-07-07 23:35:31
run_type	hd_all.tsg_CPP
session	hdops
solenoid_current	1348.69
status	3
target_type	FULL
trigger_eq	[["PS", "35", "10", "1"], ["BCAL_E", "12", "20", "1"], ["BCAL_C", "20", "0", "0"], ["FCAL", "8", "10", "1"], ["ST", "31", "3", "0"], ["TOF", "8", "10", "1"], ["TAGH", "106", "0", "1"]]
trigger_type	[["BFCAL", "440", "5", "25", "1", "45000", "0", "0", "200", "65535", "0", "65535"], ["TOF", "440", "20", "1300", "1900", "1100", "4", "1"], ["TOF", "440", "20", "1300", "1900", "1100", "3", "5"], ["BFCAL", "440", "5", "25", "1", "45000", "0", "-7", "200", "65535", "0", "65535"], ["ST", "440", "5", "1300", "1900", "1100", "1", "-7"], ["BFCAL", "440", "5", "0", "1", "54000", "0", "2"], ["BFCAL", "440", "5", "0", "1", "25000", "0", "-2"], ["PS", "440", "5", "1300", "1900", "1100", "0", "3"], ["BFCAL", "440", "5", "20", "1", "36000", "0", "-5", "200", "65535", "0", "65535"], ["BFCAL", "440", "5", "1", "0", "900", "0", "-6"], ["ST", "440", "5", "1300", "1900", "1100", "1", "-6"], ["BCAL_COS", "440", "40", "1500", "2100", "1300", "0", "-1"]]
user_comment	AMO run, 30 nA, Pb target DIRC Major Alarm during run. Ion chamber trip beam stopped run
wien_angle_horizontal	-27.9964
wien_angle_solenoid	0.0
wien_angle_vertical	0.0

Components

Name	Event count	Event rate	Data rate
DCBCAL	29336601	1803.89	1952.84
DCCDCSTPS	29336601	1803.96	1495.68
DCFCAL	29336601	1804.11	537.82
DCFDC	29336601	1804.01	3770.59
DCTAG	29336601	1804.08	3125.08
ERsoftROC	29337502	1803.17	10797.39
ROCBCAL1	733415	45.11	55.93
ROCBCAL2	733415	45.12	57.73
ROCBCAL3	733415	45.12	407.13
ROCBCAL4	733415	45.12	56.55
ROCBCAL5	733415	45.11	55.4
ROCBCAL6	733415	45.13	416.22
ROCBCAL7	733415	45.12	57.08
ROCBCAL8	733415	45.12	55.78
ROCBCAL9	733415	45.12	415.72
ROCBCAL10	733415	45.12	56.54
ROCBCAL11	733415	45.12	61.53
ROCBCAL12	733415	45.12	416.24
ROCBCAL13	0	0.0	0.0
ROCBCAL14	0	0.0	0.0
ROCBCAL15	0	0.0	0.0
ROCBCAL16	0	0.0	0.0
ROCCDC2	733415	45.12	144.0
ROCCDC3	733415	45.12	148.87
ROCCDC4	733415	45.12	154.48
ROCFCAL1	733415	45.12	56.91
ROCFCAL2	733415	45.11	61.25
ROCFCAL3	733415	45.11	55.1
ROCFCAL4	733415	45.11	54.36
ROCFCAL5	733415	45.11	61.19
ROCFCAL6	733415	45.12	53.96
ROCFCAL7	733415	45.12	53.58
ROCFCAL8	733415	45.12	66.76
ROCFCAL9	733415	45.11	54.9
ROCFCAL10	733415	45.11	58.52
ROCFCAL11	733415	45.12	62.13
ROCFCAL12	733415	45.12	57.04
ROCFDC1	733415	45.12	-487.03
ROCFDC2	733415	45.12	279.55
ROCFDC3	733415	45.12	278.69
ROCFDC4	733415	45.12	476.08
ROCFDC5	733415	45.12	265.7
ROCFDC6	733415	45.12	262.97
ROCFDC7	733415	45.12	269.07
ROCFDC8	733415	45.12	267.11
ROCFDC9	733415	45.12	262.27
ROCFDC10	733415	45.12	267.86
ROCFDC11	733415	45.12	269.59
ROCFDC12	733415	45.12	283.94
ROCFDC13	733415	45.12	476.39
ROCFDC14	733415	45.13	484.16
ROCFMWPC1	733415	45.12	218.91
ROCPS1	733415	45.11	-486.03
ROCPS2	733415	45.12	436.78
ROCSTPSC1	733415	45.12	131.14
ROCSTPSC2	0	0.0	0.0
ROCTAGH1	733415	45.11	350.82
ROCTAGH2	0	0.0	0.0
ROCTAGM1	733415	45.12	234.84
ROCTAGM2	0	0.0	0.0
ROCTAGMH	733415	45.12	-305.96
ROCTOF1	733415	45.12	216.83
ROCTOF2	733415	45.12	-453.49
ROCTOF3	0	0.0	0.0
ROCTRIG2	733415	45.12	30.86
SEB0	29336601	1803.6	10800.24
TSG	733415	45.14	44.24

Info:

is_valid_run_end	True
run_type	hd_all.tsg_CPP
run_config	FCAL_BCAL_PS_CPP_m9.conf
daq_setup	hd_all.tsg_CPP
daq_run	PHYSICS_CPP
daq_config	FCAL_BCAL_PS_CPP_m9.conf